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Posted to commits@graphar.apache.org by gi...@apache.org on 2024/07/31 09:35:33 UTC
(incubator-graphar-website) branch asf-site updated: deploy: 5f4aa0a068f1398243a1ae398ef90b95dbbdafec
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github-bot pushed a commit to branch asf-site
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The following commit(s) were added to refs/heads/asf-site by this push:
new bf6fd0f deploy: 5f4aa0a068f1398243a1ae398ef90b95dbbdafec
bf6fd0f is described below
commit bf6fd0fefb2e13985f4bed6bed27770e8bd4de21
Author: acezen <ac...@users.noreply.github.com>
AuthorDate: Wed Jul 31 09:35:28 2024 +0000
deploy: 5f4aa0a068f1398243a1ae398ef90b95dbbdafec
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-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li><li class="navelem"><a class="el" href="dir_272d678aaa23032e4dac3345bc790ad0.html">util</a></li> </ul>
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-<div class="title">adj_list_type.h</div> </div>
-</div><!--header-->
-<div class="contents">
-<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
-<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div>
-<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div>
-<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * distributed with this work for additional information</span></div>
-<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div>
-<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div>
-<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div>
-<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div>
-<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
-<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div>
-<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
-<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div>
-<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * software distributed under the License is distributed on an</span></div>
-<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div>
-<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div>
-<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * specific language governing permissions and limitations</span></div>
-<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div>
-<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
-<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
-<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#pragma once</span></div>
-<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
-<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <map></span></div>
-<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string></span></div>
-<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <utility></span></div>
-<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
-<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "graphar/util/macros.h"</span></div>
-<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>graphar {</div>
-<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
-<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">enum class</span> AdjListType : std::uint8_t {</div>
-<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  unordered_by_source = 0b00000001,</div>
-<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  unordered_by_dest = 0b00000010,</div>
-<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  ordered_by_source = 0b00000100,</div>
-<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  ordered_by_dest = 0b00001000,</div>
-<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> };</div>
-<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
-<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> constexpr AdjListType operator|(AdjListType lhs, AdjListType rhs) {</div>
-<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>AdjListType<span class="keyword">></span>(</div>
-<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">static_cast<</span>std::underlying_type_t<AdjListType><span class="keyword">></span>(lhs) |</div>
-<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">static_cast<</span>std::underlying_type_t<AdjListType><span class="keyword">></span>(rhs));</div>
-<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> }</div>
-<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
-<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> constexpr AdjListType operator&(AdjListType lhs, AdjListType rhs) {</div>
-<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span>AdjListType<span class="keyword">></span>(</div>
-<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">static_cast<</span>std::underlying_type_t<AdjListType><span class="keyword">></span>(lhs) &</div>
-<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">static_cast<</span>std::underlying_type_t<AdjListType><span class="keyword">></span>(rhs));</div>
-<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div>
-<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
-<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* AdjListTypeToString(AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">static</span> <span class="keyword">const</span> std::map<AdjListType, const char*> adj_list2string{</div>
-<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {AdjListType::unordered_by_source, <span class="stringliteral">"unordered_by_source"</span>},</div>
-<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {AdjListType::unordered_by_dest, <span class="stringliteral">"unordered_by_dest"</span>},</div>
-<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {AdjListType::ordered_by_source, <span class="stringliteral">"ordered_by_source"</span>},</div>
-<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {AdjListType::ordered_by_dest, <span class="stringliteral">"ordered_by_dest"</span>}};</div>
-<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> adj_list2string.at(adj_list_type);</div>
-<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div>
-<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
-<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">static</span> <span class="keyword">inline</span> AdjListType OrderedAlignedToAdjListType(</div>
-<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">bool</span> ordered, <span class="keyword">const</span> std::string& aligned) {</div>
-<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (ordered) {</div>
-<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> aligned == <span class="stringliteral">"src"</span> ? AdjListType::ordered_by_source</div>
-<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  : AdjListType::ordered_by_dest;</div>
-<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div>
-<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">return</span> aligned == <span class="stringliteral">"src"</span> ? AdjListType::unordered_by_source</div>
-<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  : AdjListType::unordered_by_dest;</div>
-<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
-<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
-<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">static</span> <span class="keyword">inline</span> std::pair<bool, std::string> AdjListTypeToOrderedAligned(</div>
-<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">switch</span> (adj_list_type) {</div>
-<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_source:</div>
-<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> std::make_pair(<span class="keyword">false</span>, <span class="stringliteral">"src"</span>);</div>
-<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_dest:</div>
-<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> std::make_pair(<span class="keyword">false</span>, <span class="stringliteral">"dst"</span>);</div>
-<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_source:</div>
-<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> std::make_pair(<span class="keyword">true</span>, <span class="stringliteral">"src"</span>);</div>
-<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_dest:</div>
-<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> std::make_pair(<span class="keyword">true</span>, <span class="stringliteral">"dst"</span>);</div>
-<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">default</span>:</div>
-<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> std::make_pair(<span class="keyword">false</span>, <span class="stringliteral">"dst"</span>);</div>
-<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
-<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</div>
-<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
-<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> } <span class="comment">// namespace graphar</span></div>
-</div><!-- fragment --></div><!-- contents -->
-<!--
- Licensed to the Apache Software Foundation (ASF) under one
- or more contributor license agreements. See the NOTICE file
- distributed with this work for additional information
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- "License"); you may not use this file except in compliance
- with the License. You may obtain a copy of the License at
- http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing,
- software distributed under the License is distributed on an
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diff --git a/docs/cpp/annotated.html b/docs/cpp/annotated.html
index b844ce1..557e5e1 100644
--- a/docs/cpp/annotated.html
+++ b/docs/cpp/annotated.html
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<tr id="row_0_1_1_" class="even"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="structgraphar_1_1util_1_1_index_converter.html" target="_self">IndexConverter</a></td><td class="desc"></td></tr>
<tr id="row_0_1_2_"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="structgraphar_1_1util_1_1_value_getter.html" target="_self">ValueGetter</a></td><td class="desc"></td></tr>
<tr id="row_0_1_3_" class="even"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="structgraphar_1_1util_1_1_value_getter_3_01std_1_1string_01_4.html" target="_self">ValueGetter< std::string ></a></td><td class="desc"></td></tr>
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-<tr id="row_0_49_0_" class="even"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_array_3_01std_1_1string__view_01_4_1_1iterator.html" target="_self">iterator</a></td><td class="desc"></td></tr>
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+<tr id="row_0_2_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html" target="_self">VertexPropertyArrowChunkReader</a></td><td class="desc">The arrow chunk reader for vertex property group </td></tr>
+<tr id="row_0_3_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html" target="_self">AdjListArrowChunkReader</a></td><td class="desc">The arrow chunk reader for adj list topology chunk </td></tr>
+<tr id="row_0_4_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html" target="_self">AdjListOffsetArrowChunkReader</a></td><td class="desc">The arrow chunk reader for edge offset </td></tr>
+<tr id="row_0_5_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html" target="_self">AdjListPropertyArrowChunkReader</a></td><td class="desc">The arrow chunk reader for edge property group chunks </td></tr>
+<tr id="row_0_6_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex_property_writer.html" target="_self">VertexPropertyWriter</a></td><td class="desc">The writer for vertex property group chunks </td></tr>
+<tr id="row_0_7_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_edge_chunk_writer.html" target="_self">EdgeChunkWriter</a></td><td class="desc">The writer for edge (adj list, offset and property group) chunks </td></tr>
+<tr id="row_0_8_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex_property_chunk_info_reader.html" target="_self">VertexPropertyChunkInfoReader</a></td><td class="desc"></td></tr>
+<tr id="row_0_9_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_adj_list_chunk_info_reader.html" target="_self">AdjListChunkInfoReader</a></td><td class="desc"></td></tr>
+<tr id="row_0_10_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html" target="_self">AdjListOffsetChunkInfoReader</a></td><td class="desc"></td></tr>
+<tr id="row_0_11_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html" target="_self">AdjListPropertyChunkInfoReader</a></td><td class="desc"></td></tr>
+<tr id="row_0_12_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html" target="_self">VertexChunkInfoWriter</a></td><td class="desc"></td></tr>
+<tr id="row_0_13_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_edge_chunk_info_writer.html" target="_self">EdgeChunkInfoWriter</a></td><td class="desc"></td></tr>
+<tr id="row_0_14_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="structgraphar_1_1_c_type_to_arrow_type.html" target="_self">CTypeToArrowType</a></td><td class="desc"></td></tr>
+<tr id="row_0_15_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="structgraphar_1_1_type_to_arrow_type.html" target="_self">TypeToArrowType</a></td><td class="desc"></td></tr>
+<tr id="row_0_16_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression.html" target="_self">Expression</a></td><td class="desc"></td></tr>
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+<tr id="row_0_18_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_literal.html" target="_self">ExpressionLiteral</a></td><td class="desc"></td></tr>
+<tr id="row_0_19_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_unary_op.html" target="_self">ExpressionUnaryOp</a></td><td class="desc"></td></tr>
+<tr id="row_0_20_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_not.html" target="_self">ExpressionNot</a></td><td class="desc"></td></tr>
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+<tr id="row_0_22_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_equal.html" target="_self">ExpressionEqual</a></td><td class="desc"></td></tr>
+<tr id="row_0_23_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_not_equal.html" target="_self">ExpressionNotEqual</a></td><td class="desc"></td></tr>
+<tr id="row_0_24_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_greater_than.html" target="_self">ExpressionGreaterThan</a></td><td class="desc"></td></tr>
+<tr id="row_0_25_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_greater_equal.html" target="_self">ExpressionGreaterEqual</a></td><td class="desc"></td></tr>
+<tr id="row_0_26_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_less_than.html" target="_self">ExpressionLessThan</a></td><td class="desc"></td></tr>
+<tr id="row_0_27_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_less_equal.html" target="_self">ExpressionLessEqual</a></td><td class="desc"></td></tr>
+<tr id="row_0_28_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_and.html" target="_self">ExpressionAnd</a></td><td class="desc"></td></tr>
+<tr id="row_0_29_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_expression_or.html" target="_self">ExpressionOr</a></td><td class="desc"></td></tr>
+<tr id="row_0_30_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_file_system.html" target="_self">FileSystem</a></td><td class="desc"></td></tr>
+<tr id="row_0_31_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_array.html" target="_self">Array</a></td><td class="desc"></td></tr>
+<tr id="row_0_32_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="structgraphar_1_1_general_params.html" target="_self">GeneralParams</a></td><td class="desc"></td></tr>
+<tr id="row_0_33_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_property.html" target="_self">Property</a></td><td class="desc"></td></tr>
+<tr id="row_0_34_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_property_group.html" target="_self">PropertyGroup</a></td><td class="desc"></td></tr>
+<tr id="row_0_35_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_adjacent_list.html" target="_self">AdjacentList</a></td><td class="desc"></td></tr>
+<tr id="row_0_36_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span id="arr_0_36_" class="arrow" onclick="toggleFolder('0_36_')">▼</span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex_info.html" target="_self">VertexInfo</a></td><td class="desc"><a class="el" href="classgraphar_1_1_vertex_info.html" title="VertexInfo is a class to describe the vertex information, including the vertex label,...">Ve [...]
+<tr id="row_0_36_0_" class="even"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex_info_1_1_impl.html" target="_self">Impl</a></td><td class="desc"></td></tr>
+<tr id="row_0_37_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span id="arr_0_37_" class="arrow" onclick="toggleFolder('0_37_')">▼</span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_edge_info.html" target="_self">EdgeInfo</a></td><td class="desc"><a class="el" href="classgraphar_1_1_edge_info.html" title="EdgeInfo is a class to describe the edge information, including the source vertex label,...">EdgeI [...]
+<tr id="row_0_37_0_" class="even"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_edge_info_1_1_impl.html" target="_self">Impl</a></td><td class="desc"></td></tr>
+<tr id="row_0_38_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span id="arr_0_38_" class="arrow" onclick="toggleFolder('0_38_')">▼</span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_graph_info.html" target="_self">GraphInfo</a></td><td class="desc"></td></tr>
+<tr id="row_0_38_0_" class="even"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_graph_info_1_1_impl.html" target="_self">Impl</a></td><td class="desc"></td></tr>
+<tr id="row_0_39_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex.html" target="_self">Vertex</a></td><td class="desc"><a class="el" href="classgraphar_1_1_vertex.html" title="Vertex contains information of certain vertex.">Vertex</a> contains information of certain vertex </td></tr>
+<tr id="row_0_40_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_edge.html" target="_self">Edge</a></td><td class="desc"><a class="el" href="classgraphar_1_1_edge.html" title="Edge contains information of certain edge.">Edge</a> contains information of certain edge </td></tr>
+<tr id="row_0_41_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertex_iter.html" target="_self">VertexIter</a></td><td class="desc">The iterator for traversing a type of vertices </td></tr>
+<tr id="row_0_42_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_vertices_collection.html" target="_self">VerticesCollection</a></td><td class="desc"><a class="el" href="classgraphar_1_1_vertices_collection.html" title="VerticesCollection is designed for reading a collection of vertices.">VerticesCollection</a> is designed for reading a collection of ver [...]
+<tr id="row_0_43_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_edge_iter.html" target="_self">EdgeIter</a></td><td class="desc">The iterator for traversing a type of edges </td></tr>
+<tr id="row_0_44_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_edges_collection.html" target="_self">EdgesCollection</a></td><td class="desc"><a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> is designed for reading a collection of edges </td></tr>
+<tr id="row_0_45_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_o_b_s_edge_collection.html" target="_self">OBSEdgeCollection</a></td><td class="desc">Ordered By Source <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation </td></tr>
+<tr id="row_0_46_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_o_b_d_edges_collection.html" target="_self">OBDEdgesCollection</a></td><td class="desc">Ordered By Destination <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation </td></tr>
+<tr id="row_0_47_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_u_b_s_edges_collection.html" target="_self">UBSEdgesCollection</a></td><td class="desc">Unordered By Source <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation </td></tr>
+<tr id="row_0_48_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_u_b_d_edges_collection.html" target="_self">UBDEdgesCollection</a></td><td class="desc">Unordered By Destination <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation </td></tr>
+<tr id="row_0_49_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_status.html" target="_self">Status</a></td><td class="desc"><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a> outcome object (success or error) </td></tr>
+<tr id="row_0_50_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_data_type.html" target="_self">DataType</a></td><td class="desc">The <a class="el" href="classgraphar_1_1_data_type.html" title="The DataType struct to provide enum type for data type and functions to parse data type.">DataType</a> struct to provide enum type for data type and functions to [...]
+<tr id="row_0_51_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_timestamp.html" target="_self">Timestamp</a></td><td class="desc"></td></tr>
+<tr id="row_0_52_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_date.html" target="_self">Date</a></td><td class="desc"></td></tr>
+<tr id="row_0_53_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span id="arr_0_53_" class="arrow" onclick="toggleFolder('0_53_')">▼</span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_array_3_01std_1_1string__view_01_4.html" target="_self">Array< std::string_view ></a></td><td class="desc"></td></tr>
+<tr id="row_0_53_0_" class="even"><td class="entry"><span style="width:48px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_array_3_01std_1_1string__view_01_4_1_1iterator.html" target="_self">iterator</a></td><td class="desc"></td></tr>
+<tr id="row_0_54_"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_info_version.html" target="_self">InfoVersion</a></td><td class="desc"></td></tr>
+<tr id="row_0_55_" class="even"><td class="entry"><span style="width:32px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="classgraphar_1_1_yaml.html" target="_self">Yaml</a></td><td class="desc"></td></tr>
</table>
</div><!-- directory -->
</div><!-- contents -->
diff --git a/docs/cpp/writer__util_8h_source.html b/docs/cpp/arrow__reader_8h_source.html
similarity index 83%
copy from docs/cpp/writer__util_8h_source.html
copy to docs/cpp/arrow__reader_8h_source.html
index a7db20c..0142d86 100644
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<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
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+<title>Apache GraphAr C++ Library: src/graphar/api/arrow_reader.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,12 +62,12 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
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+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_5b87a1545bb948d74c0f65e4acf76202.html">api</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">writer_util.h</div> </div>
+<div class="title">arrow_reader.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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-<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> } <span class="comment">// namespace graphar</span></div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "graphar/api/info.h"</span></div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "graphar/arrow/chunk_reader.h"</span></div>
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Licensed to the Apache Software Foundation (ASF) under one
diff --git a/docs/cpp/writer__util_8h_source.html b/docs/cpp/arrow__writer_8h_source.html
similarity index 83%
copy from docs/cpp/writer__util_8h_source.html
copy to docs/cpp/arrow__writer_8h_source.html
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<div class="header">
<div class="headertitle">
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+<div class="title">arrow_writer.h</div> </div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
-<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "graphar/util/macros.h"</span></div>
-<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
-<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>graphar {</div>
-<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
-<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">enum class</span> ValidateLevel : char {</div>
-<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  default_validate = 0,</div>
-<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  no_validate = 1,</div>
-<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  weak_validate = 2,</div>
-<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  strong_validate = 3</div>
-<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> };</div>
-<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
-<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> } <span class="comment">// namespace graphar</span></div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "graphar/api/info.h"</span></div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "graphar/arrow/chunk_writer.h"</span></div>
</div><!-- fragment --></div><!-- contents -->
<!--
Licensed to the Apache Software Foundation (ASF) under one
diff --git a/docs/cpp/chunk__info__reader_8cc_source.html b/docs/cpp/chunk__info__reader_8cc_source.html
index 75e21bf..e1702c4 100644
--- a/docs/cpp/chunk__info__reader_8cc_source.html
+++ b/docs/cpp/chunk__info__reader_8cc_source.html
@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: src/chunk_info_reader.cc Source File</title>
+<title>Apache GraphAr C++ Library: src/graphar/chunk_info_reader.cc Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,7 +62,7 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
@@ -90,528 +90,528 @@ $(function() {
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <iostream></span></div>
-<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
-<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
-<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "graphar/reader/chunk_info_reader.h"</span></div>
-<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "graphar/util/adj_list_type.h"</span></div>
-<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "graphar/util/filesystem.h"</span></div>
-<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "graphar/util/reader_util.h"</span></div>
-<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/util/result.h"</span></div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/util/util.h"</span></div>
-<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
-<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>graphar {</div>
-<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
-<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8"> 32</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8">VertexPropertyChunkInfoReader::VertexPropertyChunkInfoReader</a>(</div>
-<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
-<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> std::string& prefix)</div>
-<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  : vertex_info_(std::move(vertex_info)),</div>
-<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  property_group_(std::move(property_group)),</div>
-<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  prefix_(prefix),</div>
-<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  chunk_index_(0) {</div>
-<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// init vertex chunk num</span></div>
-<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  std::string base_dir;</div>
-<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> fs,</div>
-<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  FileSystemFromUriOrPath(prefix, &base_dir));</div>
-<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> pg_path_prefix,</div>
-<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  vertex_info->GetPathPrefix(property_group));</div>
-<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  base_dir += pg_path_prefix;</div>
-<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  GAR_ASSIGN_OR_RAISE_ERROR(chunk_num_,</div>
-<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  util::GetVertexChunkNum(prefix_, vertex_info_));</div>
-<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div>
-<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
-<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825"> 51</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825">VertexPropertyChunkInfoReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_info_->GetChunkSize();</div>
-<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  chunk_num_ * vertex_info_->GetChunkSize(),</div>
-<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="stringliteral">") of vertex "</span>, vertex_info_->GetLabel());</div>
-<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
-<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
-<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
-<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7"> 61</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7">VertexPropertyChunkInfoReader::GetChunk</a>()<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  vertex_info_->GetFilePath(property_group_, chunk_index_));</div>
-<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> }</div>
-<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
-<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214"> 67</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214">VertexPropertyChunkInfoReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (++chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="stringliteral">"vertex chunk index "</span>, chunk_index_, <span class="stringliteral">" is out-of-bounds for vertex "</span>,</div>
-<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  vertex_info_->GetLabel(), <span class="stringliteral">" chunk num "</span>, chunk_num_);</div>
-<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
-<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</div>
-<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
-<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> Result<std::shared_ptr<VertexPropertyChunkInfoReader>></div>
-<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac"> 77</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">VertexPropertyChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
-<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> std::string& prefix) {</div>
-<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> std::make_shared<VertexPropertyChunkInfoReader>(</div>
-<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  vertex_info, property_group, prefix);</div>
-<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> }</div>
-<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
-<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> Result<std::shared_ptr<VertexPropertyChunkInfoReader>></div>
-<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#ac490b1ff55aef0bfc22dee63cfb7a27d"> 86</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">VertexPropertyChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
-<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group) {</div>
-<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
-<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
-<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex "</span>, label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
-<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#ac490b1ff55aef0bfc22dee63cfb7a27d">Make</a>(vertex_info, property_group, graph_info->GetPrefix());</div>
-<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div>
-<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
-<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> Result<std::shared_ptr<VertexPropertyChunkInfoReader>></div>
-<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0942bc792fb3fc6629b608e50f2ce5b4"> 97</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">VertexPropertyChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
-<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> std::string& property_name) {</div>
-<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
-<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
-<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex "</span>, label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
-<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">auto</span> property_group = vertex_info->GetPropertyGroup(property_name);</div>
-<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (!property_group) {</div>
-<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
-<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="stringliteral">" doesn't exist in vertex "</span>, label, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
-<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">Make</a>(vertex_info, property_group, graph_info->GetPrefix());</div>
-<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div>
-<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
-<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b"> 112</a></span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b">AdjListChunkInfoReader::AdjListChunkInfoReader</a>(</div>
-<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::string& prefix)</div>
-<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  : edge_info_(std::move(edge_info)),</div>
-<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  adj_list_type_(adj_list_type),</div>
-<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  prefix_(prefix),</div>
-<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  vertex_chunk_index_(0),</div>
-<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  chunk_index_(0) {</div>
-<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &base_dir_));</div>
-<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> adj_list_path_prefix,</div>
-<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  edge_info->GetAdjListPathPrefix(adj_list_type));</div>
-<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  base_dir_ = prefix_ + adj_list_path_prefix;</div>
-<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  vertex_chunk_num_,</div>
-<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
-<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div>
-<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
-<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc"> 132</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc">AdjListChunkInfoReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
-<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
-<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
-<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
-<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
-<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
-<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
-<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
-<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
-<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
-<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(0); <span class="comment">// start from first chunk</span></div>
-<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> offset_pair,</div>
-<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(offset_pair.first);</div>
-<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
-<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> }</div>
-<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
-<div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59"> 165</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59">AdjListChunkInfoReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
-<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
-<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
-<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
-<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
-<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
-<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div>
-<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
-<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
-<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
-<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(range.first);</div>
-<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
-<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div>
-<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
-<div class="line"><a name="l00197"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a"> 197</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">AdjListChunkInfoReader::seek</a>(IdType index) {</div>
-<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  chunk_index_ = index / edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, index, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
-<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="stringliteral">"), edge type: "</span>, edge_info_->GetEdgeLabel());</div>
-<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
-<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
-<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
-<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d"> 207</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d">AdjListChunkInfoReader::GetChunk</a>() {</div>
-<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  edge_info_->GetAdjListFilePath(</div>
-<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  vertex_chunk_index_, chunk_index_, adj_list_type_));</div>
-<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> }</div>
-<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
-<div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0"> 214</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0">AdjListChunkInfoReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  ++chunk_index_;</div>
-<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  ++vertex_chunk_index_;</div>
-<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
-<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>,</div>
-<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  vertex_chunk_num_);</div>
-<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
-<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  chunk_index_ = 0;</div>
-<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
-<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div>
-<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div>
-<div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0"> 231</a></span> Result<std::shared_ptr<AdjListChunkInfoReader>> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">AdjListChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">const</span> std::string& prefix) {</div>
-<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
-<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
-<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
-<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
-<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> std::make_shared<AdjListChunkInfoReader>(edge_info, adj_list_type,</div>
-<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  prefix);</div>
-<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</div>
-<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
-<div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#abe7eaa42a37ef93035aee498b4fdb969"> 243</a></span> Result<std::shared_ptr<AdjListChunkInfoReader>> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">AdjListChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
-<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
-<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> }</div>
-<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  </div>
-<div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac"> 255</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac">AdjListOffsetChunkInfoReader::AdjListOffsetChunkInfoReader</a>(</div>
-<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">const</span> std::string& prefix)</div>
-<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  : edge_info_(std::move(edge_info)),</div>
-<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  adj_list_type_(adj_list_type),</div>
-<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  prefix_(prefix),</div>
-<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  chunk_index_(0) {</div>
-<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  std::string base_dir;</div>
-<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> fs,</div>
-<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  FileSystemFromUriOrPath(prefix, &base_dir));</div>
-<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> dir_path,</div>
-<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  edge_info->GetOffsetPathPrefix(adj_list_type));</div>
-<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  base_dir = prefix_ + dir_path;</div>
-<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (adj_list_type == AdjListType::ordered_by_source ||</div>
-<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  adj_list_type == AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  vertex_chunk_num_,</div>
-<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
-<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  vertex_chunk_size_ = adj_list_type == AdjListType::ordered_by_source</div>
-<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  ? edge_info_->GetSrcChunkSize()</div>
-<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  : edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  std::string err_msg = <span class="stringliteral">"Invalid adj list type "</span> +</div>
-<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  std::string(AdjListTypeToString(adj_list_type)) +</div>
-<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="stringliteral">" to construct AdjListOffsetReader."</span>;</div>
-<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">throw</span> std::runtime_error(err_msg);</div>
-<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div>
-<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> }</div>
-<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div>
-<div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d"> 284</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d">AdjListOffsetChunkInfoReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_chunk_size_;</div>
-<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  vertex_chunk_num_ * vertex_chunk_size_,</div>
-<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="stringliteral">") of vertex."</span>);</div>
-<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
-<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> }</div>
-<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
-<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42"> 294</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42">AdjListOffsetChunkInfoReader::GetChunk</a>()<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  edge_info_->GetAdjListOffsetFilePath(chunk_index_, adj_list_type_));</div>
-<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</div>
-<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
-<div class="line"><a name="l00301"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349"> 301</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349">AdjListOffsetChunkInfoReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">if</span> (++chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, chunk_index_,</div>
-<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="stringliteral">" is out-of-bounds for vertex, chunk_num "</span>,</div>
-<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  vertex_chunk_num_);</div>
-<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
-<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div>
-<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
-<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> Result<std::shared_ptr<AdjListOffsetChunkInfoReader>></div>
-<div class="line"><a name="l00311"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10"> 311</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">AdjListOffsetChunkInfoReader::Make</a>(<span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  AdjListType adj_list_type,</div>
-<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keyword">const</span> std::string& prefix) {</div>
-<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
-<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
-<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
-<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
-<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">return</span> std::make_shared<AdjListOffsetChunkInfoReader>(edge_info,</div>
-<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  adj_list_type, prefix);</div>
-<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> }</div>
-<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
-<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> Result<std::shared_ptr<AdjListOffsetChunkInfoReader>></div>
-<div class="line"><a name="l00324"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a3b490f026ff92f35d1d35e4c098a9ec0"> 324</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">AdjListOffsetChunkInfoReader::Make</a>(<span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info,</div>
-<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keyword">const</span> std::string& edge_label,</div>
-<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div>
-<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
-<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> }</div>
-<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div>
-<div class="line"><a name="l00337"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324"> 337</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324">AdjListPropertyChunkInfoReader::AdjListPropertyChunkInfoReader</a>(</div>
-<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string prefix)</div>
-<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  : edge_info_(std::move(edge_info)),</div>
-<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  property_group_(std::move(property_group)),</div>
-<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  adj_list_type_(adj_list_type),</div>
-<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  prefix_(prefix),</div>
-<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  vertex_chunk_index_(0),</div>
-<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  chunk_index_(0) {</div>
-<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &base_dir_));</div>
-<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">auto</span> pg_path_prefix,</div>
-<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  edge_info->GetPropertyGroupPathPrefix(property_group, adj_list_type));</div>
-<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  base_dir_ = prefix_ + pg_path_prefix;</div>
-<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  vertex_chunk_num_,</div>
-<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
-<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> }</div>
-<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  </div>
-<div class="line"><a name="l00360"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce"> 360</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce">AdjListPropertyChunkInfoReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
-<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
-<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  }</div>
-<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
-<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
-<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
-<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
-<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div>
-<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
-<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(0); <span class="comment">// start from first chunk</span></div>
-<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
-<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(range.first);</div>
-<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div>
-<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> }</div>
-<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div>
-<div class="line"><a name="l00392"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f"> 392</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f">AdjListPropertyChunkInfoReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
-<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  }</div>
-<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  </div>
-<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
-<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  }</div>
-<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
-<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div>
-<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
-<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
-<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
-<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(range.first);</div>
-<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div>
-<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> }</div>
-<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
-<div class="line"><a name="l00424"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b"> 424</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">AdjListPropertyChunkInfoReader::seek</a>(IdType offset) {</div>
-<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  chunk_index_ = offset / edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, offset,</div>
-<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
-<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="stringliteral">"), edge label: "</span>, edge_info_->GetEdgeLabel());</div>
-<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  }</div>
-<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00433"></a><span class="lineno"> 433</span> }</div>
-<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  </div>
-<div class="line"><a name="l00435"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121"> 435</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121">AdjListPropertyChunkInfoReader::GetChunk</a>()<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  edge_info_->GetPropertyFilePath(property_group_, adj_list_type_,</div>
-<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  vertex_chunk_index_, chunk_index_));</div>
-<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> }</div>
-<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  </div>
-<div class="line"><a name="l00443"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc"> 443</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc">AdjListPropertyChunkInfoReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  ++chunk_index_;</div>
-<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  ++vertex_chunk_index_;</div>
-<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
-<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>, vertex_chunk_num_,</div>
-<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="stringliteral">" of edge "</span>, edge_info_->GetEdgeLabel(), <span class="stringliteral">" of adj list type "</span>,</div>
-<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">", property group "</span>,</div>
-<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  property_group_, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  }</div>
-<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  chunk_index_ = 0;</div>
-<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  }</div>
-<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> }</div>
-<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  </div>
-<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> Result<std::shared_ptr<AdjListPropertyChunkInfoReader>></div>
-<div class="line"><a name="l00464"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9"> 464</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">AdjListPropertyChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string& prefix) {</div>
-<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
-<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
-<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
-<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  }</div>
-<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">return</span> std::make_shared<AdjListPropertyChunkInfoReader>(</div>
-<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  edge_info, property_group, adj_list_type, prefix);</div>
-<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> }</div>
-<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  </div>
-<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> Result<std::shared_ptr<AdjListPropertyChunkInfoReader>></div>
-<div class="line"><a name="l00478"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a8a6f605cf7419fe54e6c878872e8726b"> 478</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">AdjListPropertyChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
-<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">Make</a>(edge_info, property_group, adj_list_type,</div>
-<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  graph_info->GetPrefix());</div>
-<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> }</div>
-<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  </div>
-<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> Result<std::shared_ptr<AdjListPropertyChunkInfoReader>></div>
-<div class="line"><a name="l00493"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a4ac712003f791d424d8781b7680ff8af"> 493</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">AdjListPropertyChunkInfoReader::Make</a>(</div>
-<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">const</span> std::string& property_name, AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  }</div>
-<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">auto</span> property_group = edge_info->GetPropertyGroup(property_name);</div>
-<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">if</span> (!property_group) {</div>
-<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
-<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="stringliteral">" doesn't exist in edge "</span>, src_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  edge_label, <span class="stringliteral">" "</span>, dst_label, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  }</div>
-<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">Make</a>(edge_info, property_group, adj_list_type,</div>
-<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  graph_info->GetPrefix());</div>
-<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> }</div>
-<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  </div>
-<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> } <span class="comment">// namespace graphar</span></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a031d114f5f7de849902168ae3a25ae59"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59">graphar::AdjListChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a129d66a098cc56f83dcb190a1bbc83b0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0">graphar::AdjListChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00214">chunk_info_reader.cc:214</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4112f153ae93b5177d0d09e63dd3a83a"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">graphar::AdjListChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType index)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00197">chun [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4f8cf5d9910f57c68575a69a4c6eb1dc"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc">graphar::AdjListChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_sour [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a67f5c776e3a256a484aec3f79ade7e9d"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d">graphar::AdjListChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00207">chunk_info_reader.cc:207</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_ace2293edca44be68cb861cce6e8912e0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">graphar::AdjListChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class= [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_aecda9f2feb83874068d019e29c9ad44b"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b">graphar::AdjListChunkInfoReader::AdjListChunkInfoReader</a></div><div class="ttdeci">AdjListChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjListChunk [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a20b979ca06d9ca4346df9cd8a1725349"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349">graphar::AdjListOffsetChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00301">chunk_info_reader.cc:301</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a2bc492ab3433d429ca24742d5057704d"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d">graphar::AdjListOffsetChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__rea [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a7ff5025bba673ce5ad42df8f1c3f5cac"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac">graphar::AdjListOffsetChunkInfoReader::AdjListOffsetChunkInfoReader</a></div><div class="ttdeci">AdjListOffsetChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="tt [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a866bfde2e4305acc831419aac69f8a42"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42">graphar::AdjListOffsetChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hre [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_ac65413ac9d8c62404bc5518ca20f3f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">graphar::AdjListOffsetChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &am [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a07835b2495f819c5dc1419933d66d61b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">graphar::AdjListPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8 [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a1d09bed95192c5e797ebe90c697625cc"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc">graphar::AdjListPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00443">chunk_info_reader.cc:443</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a35abb7c994c7692b909f08973ced5bce"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce">graphar::AdjListPropertyChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a43796382855c5819514bb75b7c91e8a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">graphar::AdjListPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a6cf17b5db2430293a05e997d30c47324"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324">graphar::AdjListPropertyChunkInfoReader::AdjListPropertyChunkInfoReader</a></div><div class="ttdeci">AdjListPropertyChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_group, A [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a7cf6e34cd64f586952b77e6646a49121"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121">graphar::AdjListPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00435">chunk_info_reader.cc:435</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a98bbe0db378051296eabcd1c4b80364f"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f">graphar::AdjListPropertyChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk_ [...]
+<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <utility></span></div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "graphar/chunk_info_reader.h"</span></div>
+<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "graphar/filesystem.h"</span></div>
+<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
+<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "graphar/reader_util.h"</span></div>
+<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/result.h"</span></div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/types.h"</span></div>
+<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "graphar/util.h"</span></div>
+<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
+<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>graphar {</div>
+<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
+<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8"> 33</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8">VertexPropertyChunkInfoReader::VertexPropertyChunkInfoReader</a>(</div>
+<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
+<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">const</span> std::string& prefix)</div>
+<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  : vertex_info_(std::move(vertex_info)),</div>
+<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  property_group_(std::move(property_group)),</div>
+<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  chunk_index_(0) {</div>
+<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// init vertex chunk num</span></div>
+<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  std::string base_dir;</div>
+<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> fs,</div>
+<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  FileSystemFromUriOrPath(prefix, &base_dir));</div>
+<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> pg_path_prefix,</div>
+<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  vertex_info->GetPathPrefix(property_group));</div>
+<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  base_dir += pg_path_prefix;</div>
+<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  GAR_ASSIGN_OR_RAISE_ERROR(chunk_num_,</div>
+<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  util::GetVertexChunkNum(prefix_, vertex_info_));</div>
+<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div>
+<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
+<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825"> 52</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825">VertexPropertyChunkInfoReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_info_->GetChunkSize();</div>
+<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  chunk_num_ * vertex_info_->GetChunkSize(),</div>
+<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="stringliteral">") of vertex "</span>, vertex_info_->GetLabel());</div>
+<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  }</div>
+<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div>
+<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
+<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7"> 62</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7">VertexPropertyChunkInfoReader::GetChunk</a>()<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  vertex_info_->GetFilePath(property_group_, chunk_index_));</div>
+<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div>
+<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
+<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214"> 68</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214">VertexPropertyChunkInfoReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (++chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="stringliteral">"vertex chunk index "</span>, chunk_index_, <span class="stringliteral">" is out-of-bounds for vertex "</span>,</div>
+<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  vertex_info_->GetLabel(), <span class="stringliteral">" chunk num "</span>, chunk_num_);</div>
+<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
+<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> }</div>
+<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
+<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> Result<std::shared_ptr<VertexPropertyChunkInfoReader>></div>
+<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac"> 78</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">VertexPropertyChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
+<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> std::string& prefix) {</div>
+<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">return</span> std::make_shared<VertexPropertyChunkInfoReader>(</div>
+<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  vertex_info, property_group, prefix);</div>
+<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> }</div>
+<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
+<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> Result<std::shared_ptr<VertexPropertyChunkInfoReader>></div>
+<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#ac490b1ff55aef0bfc22dee63cfb7a27d"> 87</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">VertexPropertyChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
+<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group) {</div>
+<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
+<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
+<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex "</span>, label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
+<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">Make</a>(vertex_info, property_group, graph_info->GetPrefix());</div>
+<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div>
+<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
+<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> Result<std::shared_ptr<VertexPropertyChunkInfoReader>></div>
+<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0942bc792fb3fc6629b608e50f2ce5b4"> 98</a></span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">VertexPropertyChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
+<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">const</span> std::string& property_name) {</div>
+<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
+<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
+<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex "</span>, label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
+<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">auto</span> property_group = vertex_info->GetPropertyGroup(property_name);</div>
+<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (!property_group) {</div>
+<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
+<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="stringliteral">" doesn't exist in vertex "</span>, label, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
+<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">Make</a>(vertex_info, property_group, graph_info->GetPrefix());</div>
+<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
+<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div>
+<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b"> 113</a></span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b">AdjListChunkInfoReader::AdjListChunkInfoReader</a>(</div>
+<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::string& prefix)</div>
+<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  : edge_info_(std::move(edge_info)),</div>
+<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  vertex_chunk_index_(0),</div>
+<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  chunk_index_(0) {</div>
+<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &base_dir_));</div>
+<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> adj_list_path_prefix,</div>
+<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  edge_info->GetAdjListPathPrefix(adj_list_type));</div>
+<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  base_dir_ = prefix_ + adj_list_path_prefix;</div>
+<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  vertex_chunk_num_,</div>
+<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
+<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> }</div>
+<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
+<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc"> 133</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc">AdjListChunkInfoReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
+<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
+<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
+<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div>
+<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
+<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
+<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
+<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div>
+<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
+<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(0); <span class="comment">// start from first chunk</span></div>
+<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> offset_pair,</div>
+<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(offset_pair.first);</div>
+<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div>
+<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
+<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
+<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59"> 166</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59">AdjListChunkInfoReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
+<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
+<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div>
+<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
+<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div>
+<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
+<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
+<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
+<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
+<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
+<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">seek</a>(range.first);</div>
+<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
+<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> }</div>
+<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
+<div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a"> 198</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">AdjListChunkInfoReader::seek</a>(IdType index) {</div>
+<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  chunk_index_ = index / edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, index, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
+<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="stringliteral">"), edge type: "</span>, edge_info_->GetEdgeLabel());</div>
+<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
+<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</div>
+<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div>
+<div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d"> 208</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d">AdjListChunkInfoReader::GetChunk</a>() {</div>
+<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  edge_info_->GetAdjListFilePath(</div>
+<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  vertex_chunk_index_, chunk_index_, adj_list_type_));</div>
+<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> }</div>
+<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div>
+<div class="line"><a name="l00215"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0"> 215</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0">AdjListChunkInfoReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ++chunk_index_;</div>
+<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  ++vertex_chunk_index_;</div>
+<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
+<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>,</div>
+<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  vertex_chunk_num_);</div>
+<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div>
+<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  chunk_index_ = 0;</div>
+<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
+<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> }</div>
+<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
+<div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0"> 232</a></span> Result<std::shared_ptr<AdjListChunkInfoReader>> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">AdjListChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">const</span> std::string& prefix) {</div>
+<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
+<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
+<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
+<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> std::make_shared<AdjListChunkInfoReader>(edge_info, adj_list_type,</div>
+<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  prefix);</div>
+<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> }</div>
+<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  </div>
+<div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_chunk_info_reader.html#abe7eaa42a37ef93035aee498b4fdb969"> 244</a></span> Result<std::shared_ptr<AdjListChunkInfoReader>> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">AdjListChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  AdjListType adj_list_type) {</div>
+<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div>
+<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
+<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> }</div>
+<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
+<div class="line"><a name="l00256"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac"> 256</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac">AdjListOffsetChunkInfoReader::AdjListOffsetChunkInfoReader</a>(</div>
+<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">const</span> std::string& prefix)</div>
+<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  : edge_info_(std::move(edge_info)),</div>
+<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  chunk_index_(0) {</div>
+<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  std::string base_dir;</div>
+<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> fs,</div>
+<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  FileSystemFromUriOrPath(prefix, &base_dir));</div>
+<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> dir_path,</div>
+<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  edge_info->GetOffsetPathPrefix(adj_list_type));</div>
+<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  base_dir = prefix_ + dir_path;</div>
+<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (adj_list_type == AdjListType::ordered_by_source ||</div>
+<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  adj_list_type == AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  vertex_chunk_num_,</div>
+<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
+<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  vertex_chunk_size_ = adj_list_type == AdjListType::ordered_by_source</div>
+<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  ? edge_info_->GetSrcChunkSize()</div>
+<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  : edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  std::string err_msg = <span class="stringliteral">"Invalid adj list type "</span> +</div>
+<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  std::string(AdjListTypeToString(adj_list_type)) +</div>
+<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="stringliteral">" to construct AdjListOffsetReader."</span>;</div>
+<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">throw</span> std::runtime_error(err_msg);</div>
+<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</div>
+<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> }</div>
+<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
+<div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d"> 285</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d">AdjListOffsetChunkInfoReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_chunk_size_;</div>
+<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">if</span> (chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  vertex_chunk_num_ * vertex_chunk_size_,</div>
+<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="stringliteral">") of vertex."</span>);</div>
+<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div>
+<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> }</div>
+<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
+<div class="line"><a name="l00295"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42"> 295</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42">AdjListOffsetChunkInfoReader::GetChunk</a>()<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  edge_info_->GetAdjListOffsetFilePath(chunk_index_, adj_list_type_));</div>
+<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> }</div>
+<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  </div>
+<div class="line"><a name="l00302"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349"> 302</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349">AdjListOffsetChunkInfoReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keywordflow">if</span> (++chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, chunk_index_,</div>
+<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="stringliteral">" is out-of-bounds for vertex, chunk_num "</span>,</div>
+<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  vertex_chunk_num_);</div>
+<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  }</div>
+<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> }</div>
+<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  </div>
+<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> Result<std::shared_ptr<AdjListOffsetChunkInfoReader>></div>
+<div class="line"><a name="l00312"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10"> 312</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">AdjListOffsetChunkInfoReader::Make</a>(<span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
+<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  AdjListType adj_list_type,</div>
+<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">const</span> std::string& prefix) {</div>
+<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
+<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
+<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div>
+<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> std::make_shared<AdjListOffsetChunkInfoReader>(edge_info,</div>
+<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  adj_list_type, prefix);</div>
+<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> }</div>
+<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  </div>
+<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> Result<std::shared_ptr<AdjListOffsetChunkInfoReader>></div>
+<div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a3b490f026ff92f35d1d35e4c098a9ec0"> 325</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">AdjListOffsetChunkInfoReader::Make</a>(<span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info,</div>
+<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">const</span> std::string& edge_label,</div>
+<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  AdjListType adj_list_type) {</div>
+<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  }</div>
+<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
+<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> }</div>
+<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div>
+<div class="line"><a name="l00338"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324"> 338</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324">AdjListPropertyChunkInfoReader::AdjListPropertyChunkInfoReader</a>(</div>
+<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
+<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string prefix)</div>
+<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  : edge_info_(std::move(edge_info)),</div>
+<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  property_group_(std::move(property_group)),</div>
+<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  vertex_chunk_index_(0),</div>
+<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  chunk_index_(0) {</div>
+<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &base_dir_));</div>
+<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">auto</span> pg_path_prefix,</div>
+<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  edge_info->GetPropertyGroupPathPrefix(property_group, adj_list_type));</div>
+<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  base_dir_ = prefix_ + pg_path_prefix;</div>
+<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  vertex_chunk_num_,</div>
+<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
+<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> }</div>
+<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div>
+<div class="line"><a name="l00361"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce"> 361</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce">AdjListPropertyChunkInfoReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
+<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
+<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
+<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div>
+<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  </div>
+<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div>
+<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div>
+<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
+<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(0); <span class="comment">// start from first chunk</span></div>
+<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
+<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(range.first);</div>
+<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
+<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> }</div>
+<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  </div>
+<div class="line"><a name="l00393"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f"> 393</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f">AdjListPropertyChunkInfoReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
+<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
+<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div>
+<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
+<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div>
+<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
+<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  </div>
+<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
+<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
+<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
+<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">seek</a>(range.first);</div>
+<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div>
+<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> }</div>
+<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  </div>
+<div class="line"><a name="l00425"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b"> 425</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">AdjListPropertyChunkInfoReader::seek</a>(IdType offset) {</div>
+<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  chunk_index_ = offset / edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, offset,</div>
+<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
+<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="stringliteral">"), edge label: "</span>, edge_info_->GetEdgeLabel());</div>
+<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
+<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> }</div>
+<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  </div>
+<div class="line"><a name="l00436"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121"> 436</a></span> Result<std::string> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121">AdjListPropertyChunkInfoReader::GetChunk</a>()<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  edge_info_->GetPropertyFilePath(property_group_, adj_list_type_,</div>
+<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  vertex_chunk_index_, chunk_index_));</div>
+<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> }</div>
+<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  </div>
+<div class="line"><a name="l00444"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc"> 444</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc">AdjListPropertyChunkInfoReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  ++chunk_index_;</div>
+<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  ++vertex_chunk_index_;</div>
+<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
+<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>, vertex_chunk_num_,</div>
+<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="stringliteral">" of edge "</span>, edge_info_->GetEdgeLabel(), <span class="stringliteral">" of adj list type "</span>,</div>
+<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">", property group "</span>,</div>
+<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  property_group_, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div>
+<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  chunk_index_ = 0;</div>
+<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  chunk_num_, util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div>
+<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> }</div>
+<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
+<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> Result<std::shared_ptr<AdjListPropertyChunkInfoReader>></div>
+<div class="line"><a name="l00465"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9"> 465</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">AdjListPropertyChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
+<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string& prefix) {</div>
+<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
+<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
+<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div>
+<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">return</span> std::make_shared<AdjListPropertyChunkInfoReader>(</div>
+<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  edge_info, property_group, adj_list_type, prefix);</div>
+<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> }</div>
+<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  </div>
+<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> Result<std::shared_ptr<AdjListPropertyChunkInfoReader>></div>
+<div class="line"><a name="l00479"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a8a6f605cf7419fe54e6c878872e8726b"> 479</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">AdjListPropertyChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  AdjListType adj_list_type) {</div>
+<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
+<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">Make</a>(edge_info, property_group, adj_list_type,</div>
+<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  graph_info->GetPrefix());</div>
+<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> }</div>
+<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  </div>
+<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> Result<std::shared_ptr<AdjListPropertyChunkInfoReader>></div>
+<div class="line"><a name="l00494"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a4ac712003f791d424d8781b7680ff8af"> 494</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">AdjListPropertyChunkInfoReader::Make</a>(</div>
+<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keyword">const</span> std::string& property_name, AdjListType adj_list_type) {</div>
+<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  }</div>
+<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keyword">auto</span> property_group = edge_info->GetPropertyGroup(property_name);</div>
+<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">if</span> (!property_group) {</div>
+<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
+<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="stringliteral">" doesn't exist in edge "</span>, src_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  edge_label, <span class="stringliteral">" "</span>, dst_label, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  }</div>
+<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">Make</a>(edge_info, property_group, adj_list_type,</div>
+<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  graph_info->GetPrefix());</div>
+<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> }</div>
+<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  </div>
+<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> } <span class="comment">// namespace graphar</span></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a031d114f5f7de849902168ae3a25ae59"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59">graphar::AdjListChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a129d66a098cc56f83dcb190a1bbc83b0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0">graphar::AdjListChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00215">chunk_info_reader.cc:215</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4112f153ae93b5177d0d09e63dd3a83a"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">graphar::AdjListChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType index)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00198">chun [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4f8cf5d9910f57c68575a69a4c6eb1dc"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc">graphar::AdjListChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_sour [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a67f5c776e3a256a484aec3f79ade7e9d"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d">graphar::AdjListChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00208">chunk_info_reader.cc:208</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_ace2293edca44be68cb861cce6e8912e0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">graphar::AdjListChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class= [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_aecda9f2feb83874068d019e29c9ad44b"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b">graphar::AdjListChunkInfoReader::AdjListChunkInfoReader</a></div><div class="ttdeci">AdjListChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjListChunk [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a20b979ca06d9ca4346df9cd8a1725349"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349">graphar::AdjListOffsetChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00302">chunk_info_reader.cc:302</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a2bc492ab3433d429ca24742d5057704d"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d">graphar::AdjListOffsetChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__rea [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a7ff5025bba673ce5ad42df8f1c3f5cac"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac">graphar::AdjListOffsetChunkInfoReader::AdjListOffsetChunkInfoReader</a></div><div class="ttdeci">AdjListOffsetChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="tt [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a866bfde2e4305acc831419aac69f8a42"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42">graphar::AdjListOffsetChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hre [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_ac65413ac9d8c62404bc5518ca20f3f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">graphar::AdjListOffsetChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &am [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a07835b2495f819c5dc1419933d66d61b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">graphar::AdjListPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8 [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a1d09bed95192c5e797ebe90c697625cc"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc">graphar::AdjListPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00444">chunk_info_reader.cc:444</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a35abb7c994c7692b909f08973ced5bce"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce">graphar::AdjListPropertyChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a43796382855c5819514bb75b7c91e8a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">graphar::AdjListPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a6cf17b5db2430293a05e997d30c47324"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324">graphar::AdjListPropertyChunkInfoReader::AdjListPropertyChunkInfoReader</a></div><div class="ttdeci">AdjListPropertyChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_group, A [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a7cf6e34cd64f586952b77e6646a49121"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121">graphar::AdjListPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00436">chunk_info_reader.cc:436</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a98bbe0db378051296eabcd1c4b80364f"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f">graphar::AdjListPropertyChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk_ [...]
<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a1f9b2120c7a6b3e66f9f2e31021df67f"><div class="ttname"><a href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">graphar::Status::IndexError</a></div><div class="ttdeci">static Status IndexError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00197">status.h:197</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a4ee4924ddadfc2c1effc055572084d71"><div class="ttname"><a href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">graphar::Status::KeyError</a></div><div class="ttdeci">static Status KeyError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00172">status.h:172</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a9ca4be37aae8dfea7e6ef54920e0073f"><div class="ttname"><a href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">graphar::Status::Invalid</a></div><div class="ttdeci">static Status Invalid(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00188">status.h:188</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_ad92f5c41a661d4f468390e39da90f881"><div class="ttname"><a href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">graphar::Status::OK</a></div><div class="ttdeci">static Status OK()</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00157">status.h:157</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a0d50059eebe22a9a95e4cfe1e09029ac"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">graphar::VertexPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyChunkInfoReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup &g [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a2971ee5b19db6597b8453d3902f9f825"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825">graphar::VertexPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Definiti [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a3ebfb96e4e9b0042d0cb0aa65fbc95a8"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8">graphar::VertexPropertyChunkInfoReader::VertexPropertyChunkInfoReader</a></div><div class="ttdeci">VertexPropertyChunkInfoReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, cons [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a68b2843d3eaed2df2acbdbc2e291f214"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214">graphar::VertexPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00067">chunk_info_reader.cc:67</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a97f74b38df8d7a400837e7db8349f5a7"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7">graphar::VertexPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hr [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_ac490b1ff55aef0bfc22dee63cfb7a27d"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#ac490b1ff55aef0bfc22dee63cfb7a27d">graphar::VertexPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyChunkInfoReader > > Make(const std::shared_ptr< GraphInfo > &graph_info, const std::string &label, const std::sha [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a0d50059eebe22a9a95e4cfe1e09029ac"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">graphar::VertexPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyChunkInfoReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup &g [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a2971ee5b19db6597b8453d3902f9f825"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825">graphar::VertexPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Definiti [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a3ebfb96e4e9b0042d0cb0aa65fbc95a8"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8">graphar::VertexPropertyChunkInfoReader::VertexPropertyChunkInfoReader</a></div><div class="ttdeci">VertexPropertyChunkInfoReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, cons [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a68b2843d3eaed2df2acbdbc2e291f214"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214">graphar::VertexPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00068">chunk_info_reader.cc:68</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a97f74b38df8d7a400837e7db8349f5a7"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7">graphar::VertexPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hr [...]
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diff --git a/docs/cpp/chunk__info__reader_8h_source.html b/docs/cpp/chunk__info__reader_8h_source.html
index 89865ee..c32546d 100644
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@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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<ul>
-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li><li class="navelem"><a class="el" href="dir_e1a06617a704fffac6e242a016b9589e.html">reader</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li> </ul>
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@@ -253,35 +253,35 @@ $(function() {
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> };</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> } <span class="comment">// namespace graphar</span></div>
<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html">graphar::AdjListChunkInfoReader</a></div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8h_source.html#l00119">chunk_info_reader.h:119</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a031d114f5f7de849902168ae3a25ae59"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59">graphar::AdjListChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a129d66a098cc56f83dcb190a1bbc83b0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0">graphar::AdjListChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00214">chunk_info_reader.cc:214</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4112f153ae93b5177d0d09e63dd3a83a"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">graphar::AdjListChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType index)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00197">chun [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4f8cf5d9910f57c68575a69a4c6eb1dc"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc">graphar::AdjListChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_sour [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a67f5c776e3a256a484aec3f79ade7e9d"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d">graphar::AdjListChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00207">chunk_info_reader.cc:207</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_ace2293edca44be68cb861cce6e8912e0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">graphar::AdjListChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class= [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_aecda9f2feb83874068d019e29c9ad44b"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b">graphar::AdjListChunkInfoReader::AdjListChunkInfoReader</a></div><div class="ttdeci">AdjListChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjListChunk [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a031d114f5f7de849902168ae3a25ae59"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a031d114f5f7de849902168ae3a25ae59">graphar::AdjListChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a129d66a098cc56f83dcb190a1bbc83b0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a129d66a098cc56f83dcb190a1bbc83b0">graphar::AdjListChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00215">chunk_info_reader.cc:215</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4112f153ae93b5177d0d09e63dd3a83a"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4112f153ae93b5177d0d09e63dd3a83a">graphar::AdjListChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType index)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00198">chun [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a4f8cf5d9910f57c68575a69a4c6eb1dc"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a4f8cf5d9910f57c68575a69a4c6eb1dc">graphar::AdjListChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_sour [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_a67f5c776e3a256a484aec3f79ade7e9d"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#a67f5c776e3a256a484aec3f79ade7e9d">graphar::AdjListChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00208">chunk_info_reader.cc:208</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_ace2293edca44be68cb861cce6e8912e0"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#ace2293edca44be68cb861cce6e8912e0">graphar::AdjListChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class= [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_chunk_info_reader_html_aecda9f2feb83874068d019e29c9ad44b"><div class="ttname"><a href="classgraphar_1_1_adj_list_chunk_info_reader.html#aecda9f2feb83874068d019e29c9ad44b">graphar::AdjListChunkInfoReader::AdjListChunkInfoReader</a></div><div class="ttdeci">AdjListChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjListChunk [...]
<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html">graphar::AdjListOffsetChunkInfoReader</a></div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8h_source.html#l00205">chunk_info_reader.h:205</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a20b979ca06d9ca4346df9cd8a1725349"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349">graphar::AdjListOffsetChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00301">chunk_info_reader.cc:301</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a2bc492ab3433d429ca24742d5057704d"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d">graphar::AdjListOffsetChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__rea [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a7ff5025bba673ce5ad42df8f1c3f5cac"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac">graphar::AdjListOffsetChunkInfoReader::AdjListOffsetChunkInfoReader</a></div><div class="ttdeci">AdjListOffsetChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="tt [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a866bfde2e4305acc831419aac69f8a42"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42">graphar::AdjListOffsetChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hre [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_ac65413ac9d8c62404bc5518ca20f3f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">graphar::AdjListOffsetChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &am [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a20b979ca06d9ca4346df9cd8a1725349"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a20b979ca06d9ca4346df9cd8a1725349">graphar::AdjListOffsetChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00302">chunk_info_reader.cc:302</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a2bc492ab3433d429ca24742d5057704d"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a2bc492ab3433d429ca24742d5057704d">graphar::AdjListOffsetChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source internal vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__rea [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a7ff5025bba673ce5ad42df8f1c3f5cac"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a7ff5025bba673ce5ad42df8f1c3f5cac">graphar::AdjListOffsetChunkInfoReader::AdjListOffsetChunkInfoReader</a></div><div class="ttdeci">AdjListOffsetChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="tt [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_a866bfde2e4305acc831419aac69f8a42"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#a866bfde2e4305acc831419aac69f8a42">graphar::AdjListOffsetChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hre [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_chunk_info_reader_html_ac65413ac9d8c62404bc5518ca20f3f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_chunk_info_reader.html#ac65413ac9d8c62404bc5518ca20f3f10">graphar::AdjListOffsetChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &am [...]
<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html">graphar::AdjListPropertyChunkInfoReader</a></div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8h_source.html#l00280">chunk_info_reader.h:280</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a07835b2495f819c5dc1419933d66d61b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">graphar::AdjListPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8 [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a1d09bed95192c5e797ebe90c697625cc"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc">graphar::AdjListPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00443">chunk_info_reader.cc:443</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a35abb7c994c7692b909f08973ced5bce"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce">graphar::AdjListPropertyChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a43796382855c5819514bb75b7c91e8a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">graphar::AdjListPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a6cf17b5db2430293a05e997d30c47324"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324">graphar::AdjListPropertyChunkInfoReader::AdjListPropertyChunkInfoReader</a></div><div class="ttdeci">AdjListPropertyChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_group, A [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a7cf6e34cd64f586952b77e6646a49121"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121">graphar::AdjListPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00435">chunk_info_reader.cc:435</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a98bbe0db378051296eabcd1c4b80364f"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f">graphar::AdjListPropertyChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk_ [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a07835b2495f819c5dc1419933d66d61b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a07835b2495f819c5dc1419933d66d61b">graphar::AdjListPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8 [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a1d09bed95192c5e797ebe90c697625cc"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a1d09bed95192c5e797ebe90c697625cc">graphar::AdjListPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00444">chunk_info_reader.cc:444</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a35abb7c994c7692b909f08973ced5bce"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a35abb7c994c7692b909f08973ced5bce">graphar::AdjListPropertyChunkInfoReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a43796382855c5819514bb75b7c91e8a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a43796382855c5819514bb75b7c91e8a9">graphar::AdjListPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyChunkInfoReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a6cf17b5db2430293a05e997d30c47324"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a6cf17b5db2430293a05e997d30c47324">graphar::AdjListPropertyChunkInfoReader::AdjListPropertyChunkInfoReader</a></div><div class="ttdeci">AdjListPropertyChunkInfoReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_group, A [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a7cf6e34cd64f586952b77e6646a49121"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a7cf6e34cd64f586952b77e6646a49121">graphar::AdjListPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00436">chunk_info_reader.cc:436</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_chunk_info_reader_html_a98bbe0db378051296eabcd1c4b80364f"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_chunk_info_reader.html#a98bbe0db378051296eabcd1c4b80364f">graphar::AdjListPropertyChunkInfoReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk_ [...]
<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html">graphar::VertexPropertyChunkInfoReader</a></div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8h_source.html#l00031">chunk_info_reader.h:31</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a0d50059eebe22a9a95e4cfe1e09029ac"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">graphar::VertexPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyChunkInfoReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup &g [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a2971ee5b19db6597b8453d3902f9f825"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825">graphar::VertexPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Definiti [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a3ebfb96e4e9b0042d0cb0aa65fbc95a8"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8">graphar::VertexPropertyChunkInfoReader::VertexPropertyChunkInfoReader</a></div><div class="ttdeci">VertexPropertyChunkInfoReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, cons [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a68b2843d3eaed2df2acbdbc2e291f214"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214">graphar::VertexPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00067">chunk_info_reader.cc:67</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a0d50059eebe22a9a95e4cfe1e09029ac"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a0d50059eebe22a9a95e4cfe1e09029ac">graphar::VertexPropertyChunkInfoReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyChunkInfoReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup &g [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a2971ee5b19db6597b8453d3902f9f825"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a2971ee5b19db6597b8453d3902f9f825">graphar::VertexPropertyChunkInfoReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Definiti [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a3ebfb96e4e9b0042d0cb0aa65fbc95a8"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a3ebfb96e4e9b0042d0cb0aa65fbc95a8">graphar::VertexPropertyChunkInfoReader::VertexPropertyChunkInfoReader</a></div><div class="ttdeci">VertexPropertyChunkInfoReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, cons [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a68b2843d3eaed2df2acbdbc2e291f214"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a68b2843d3eaed2df2acbdbc2e291f214">graphar::VertexPropertyChunkInfoReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8cc_source.html#l00068">chunk_info_reader.cc:68</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a87c3a8eeda36c56027cf6bba4eb89990"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a87c3a8eeda36c56027cf6bba4eb89990">graphar::VertexPropertyChunkInfoReader::GetChunkNum</a></div><div class="ttdeci">IdType GetChunkNum() const noexcept</div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__reader_8h_source.html#l00071">chunk_info_reader.h:71</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a97f74b38df8d7a400837e7db8349f5a7"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7">graphar::VertexPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hr [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_chunk_info_reader_html_a97f74b38df8d7a400837e7db8349f5a7"><div class="ttname"><a href="classgraphar_1_1_vertex_property_chunk_info_reader.html#a97f74b38df8d7a400837e7db8349f5a7">graphar::VertexPropertyChunkInfoReader::GetChunk</a></div><div class="ttdeci">Result< std::string > GetChunk() const</div><div class="ttdoc">Return the current chunk file path of chunk position indicator.</div><div class="ttdef"><b>Definition:</b> <a hr [...]
</div><!-- fragment --></div><!-- contents -->
<!--
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diff --git a/docs/cpp/reader__util_8cc_source.html b/docs/cpp/chunk__info__writer_8cc_source.html
similarity index 51%
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@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: src/reader_util.cc Source File</title>
+<title>Apache GraphAr C++ Library: src/graphar/chunk_info_writer.cc Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
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@@ -62,12 +62,12 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">reader_util.cc</div> </div>
+<div class="title">chunk_info_writer.cc</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
@@ -89,177 +89,178 @@ $(function() {
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
-<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "arrow/adapters/orc/adapter.h"</span></div>
-<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "arrow/api.h"</span></div>
-<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "arrow/csv/api.h"</span></div>
-<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "arrow/filesystem/api.h"</span></div>
-<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "arrow/io/api.h"</span></div>
-<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "parquet/arrow/reader.h"</span></div>
+<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "graphar/chunk_info_writer.h"</span></div>
+<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "graphar/filesystem.h"</span></div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "graphar/result.h"</span></div>
+<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "graphar/types.h"</span></div>
+<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "graphar/util.h"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
-<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/util/adj_list_type.h"</span></div>
-<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "graphar/util/expression.h"</span></div>
-<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "graphar/util/filesystem.h"</span></div>
-<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "graphar/util/reader_util.h"</span></div>
-<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
-<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>graphar::util {</div>
-<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
-<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> Status CheckFilterOptions(</div>
-<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">const</span> FilterOptions& filter_options,</div>
-<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group) noexcept {</div>
-<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (filter_options.filter) {</div>
-<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> filter, filter_options.filter->Evaluate());</div>
-<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& field : arrow::compute::FieldsInExpression(filter)) {</div>
-<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">auto</span> property_name = *field.name();</div>
-<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (!property_group->HasProperty(property_name)) {</div>
-<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  property_name, <span class="stringliteral">" in the filter does not match the property group: "</span>,</div>
-<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  property_group);</div>
-<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
-<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
-<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div>
-<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> (filter_options.columns.has_value()) {</div>
-<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& col : filter_options.columns.value().get()) {</div>
-<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (!property_group->HasProperty(col)) {</div>
-<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  col, <span class="stringliteral">" in the columns does not match the property group: "</span>,</div>
-<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  property_group);</div>
-<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
-<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div>
-<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div>
-<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div>
-<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
-<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> Result<std::pair<IdType, IdType>> GetAdjListOffsetOfVertex(</div>
-<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  AdjListType adj_list_type, IdType vid) noexcept {</div>
-<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// get the adj list offset of id</span></div>
-<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  IdType vertex_chunk_size;</div>
-<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (adj_list_type == AdjListType::ordered_by_source) {</div>
-<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  vertex_chunk_size = edge_info->GetSrcChunkSize();</div>
-<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (adj_list_type == AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  vertex_chunk_size = edge_info->GetDstChunkSize();</div>
-<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="stringliteral">"The adj list type has to be ordered_by_source or ordered_by_dest, but "</span></div>
-<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="stringliteral">"got "</span>,</div>
-<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  std::string(AdjListTypeToString(adj_list_type)));</div>
-<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div>
-<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  </div>
-<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  IdType offset_chunk_index = vid / vertex_chunk_size;</div>
-<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  IdType offset_in_file = vid % vertex_chunk_size;</div>
-<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">auto</span> offset_file_path,</div>
-<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  edge_info->GetAdjListOffsetFilePath(offset_chunk_index, adj_list_type));</div>
-<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  std::string out_prefix;</div>
-<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> fs, FileSystemFromUriOrPath(prefix, &out_prefix));</div>
-<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">auto</span> adjacent_list = edge_info->GetAdjacentList(adj_list_type);</div>
-<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (adjacent_list == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The adjacent list is not set for adj list type "</span>,</div>
-<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::string(AdjListTypeToString(adj_list_type)));</div>
-<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
-<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">auto</span> file_type = adjacent_list->GetFileType();</div>
-<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::string path = out_prefix + offset_file_path;</div>
-<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> table, fs->ReadFileToTable(path, file_type));</div>
-<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">auto</span> array = std::static_pointer_cast<arrow::Int64Array>(</div>
-<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  table->column(0)->Slice(offset_in_file, 2)->chunk(0));</div>
-<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> std::make_pair(<span class="keyword">static_cast<</span>IdType<span class="keyword">></span>(array->Value(0)),</div>
-<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">static_cast<</span>IdType<span class="keyword">></span>(array->Value(1)));</div>
-<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div>
-<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
-<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> Result<IdType> GetVertexChunkNum(</div>
-<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info) noexcept {</div>
-<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::string out_prefix;</div>
-<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> fs, FileSystemFromUriOrPath(prefix, &out_prefix));</div>
-<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num_file_suffix,</div>
-<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  vertex_info->GetVerticesNumFilePath());</div>
-<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::string vertex_num_file_path = out_prefix + vertex_num_file_suffix;</div>
-<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num,</div>
-<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  fs->ReadFileToValue<IdType>(vertex_num_file_path));</div>
-<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> (vertex_num + vertex_info->GetChunkSize() - 1) /</div>
-<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  vertex_info->GetChunkSize();</div>
+<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span>graphar {</div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
+<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d"> 29</a></span> <a class="code" href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d">VertexChunkInfoWriter::VertexChunkInfoWriter</a>(</div>
+<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">const</span> ValidateLevel& validate_level)</div>
+<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  : vertex_info_(vertex_info),</div>
+<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  validate_level_(validate_level) {</div>
+<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">if</span> (validate_level_ == ValidateLevel::default_validate) {</div>
+<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">throw</span> std::runtime_error(</div>
+<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">"default_validate is not allowed to be set as the global validate "</span></div>
+<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="stringliteral">"level for VertexPropertyWriter"</span>);</div>
+<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div>
+<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
+<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div>
+<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
+<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// Check if the operation of copying a file as a chunk is allowed.</span></div>
+<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <a class="code" href="classgraphar_1_1_status.html">Status</a> VertexChunkInfoWriter::validate(</div>
+<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
+<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// weak & strong validate</span></div>
+<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (!vertex_info_->HasPropertyGroup(property_group)) {</div>
+<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property group"</span>, <span class="stringliteral">" does not exist in "</span>,</div>
+<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  vertex_info_->GetLabel(), <span class="stringliteral">" vertex info."</span>);</div>
+<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div>
+<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (chunk_index < 0) {</div>
+<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Negative chunk index "</span>, chunk_index, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div>
+<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div>
+<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
+<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> Status VertexChunkInfoWriter::WriteChunk(</div>
+<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> std::string& file_name,</div>
+<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
+<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  GAR_RETURN_NOT_OK(validate(property_group, chunk_index, validate_level));</div>
+<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix,</div>
+<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  vertex_info_->GetFilePath(property_group, chunk_index));</div>
+<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
+<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> }</div>
+<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
+<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> EdgeChunkInfoWriter::EdgeChunkInfoWriter(</div>
+<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  AdjListType adj_list_type, <span class="keyword">const</span> ValidateLevel& validate_level)</div>
+<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  : edge_info_(edge_info),</div>
+<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  validate_level_(validate_level) {</div>
+<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (validate_level_ == ValidateLevel::default_validate) {</div>
+<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">throw</span> std::runtime_error(</div>
+<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="stringliteral">"default_validate is not allowed to be set as the global validate "</span></div>
+<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="stringliteral">"level for EdgeChunkWriter"</span>);</div>
+<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div>
+<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
+<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  chunk_size_ = edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">switch</span> (adj_list_type) {</div>
+<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_source:</div>
+<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_source:</div>
+<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_dest:</div>
+<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  vertex_chunk_size_ = edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_dest:</div>
+<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  vertex_chunk_size_ = edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">default</span>:</div>
+<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
+<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> }</div>
+<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
+<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// Check if the operation of writing number or copying a file is allowed.</span></div>
+<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> Status EdgeChunkInfoWriter::validate(IdType count_or_index1,</div>
+<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  IdType count_or_index2,</div>
+<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// weak & strong validate for adj list type</span></div>
+<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (!edge_info_->HasAdjacentListType(adj_list_type_)) {</div>
+<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="stringliteral">"Adj list type "</span>, AdjListTypeToString(adj_list_type_),</div>
+<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="stringliteral">" does not exist in the "</span>, edge_info_->GetEdgeLabel(), <span class="stringliteral">" edge info."</span>);</div>
+<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
+<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// weak & strong validate for count or index</span></div>
+<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (count_or_index1 < 0 || count_or_index2 < 0) {</div>
+<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="stringliteral">"The count or index must be non-negative, but got "</span>, count_or_index1,</div>
+<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="stringliteral">" and "</span>, count_or_index2, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
+<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  </div>
-<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> Result<IdType> GetVertexNum(</div>
-<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info) noexcept {</div>
-<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  std::string out_prefix;</div>
-<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> fs, FileSystemFromUriOrPath(prefix, &out_prefix));</div>
-<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num_file_suffix,</div>
-<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  vertex_info->GetVerticesNumFilePath());</div>
-<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  std::string vertex_num_file_path = out_prefix + vertex_num_file_suffix;</div>
-<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num,</div>
-<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  fs->ReadFileToValue<IdType>(vertex_num_file_path));</div>
-<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> vertex_num;</div>
-<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div>
-<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
-<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> Result<IdType> GetVertexChunkNum(<span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  AdjListType adj_list_type) noexcept {</div>
-<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  std::string out_prefix;</div>
-<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> fs, FileSystemFromUriOrPath(prefix, &out_prefix));</div>
-<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num_file_suffix,</div>
-<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  edge_info->GetVerticesNumFilePath(adj_list_type));</div>
-<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  std::string vertex_num_file_path = out_prefix + vertex_num_file_suffix;</div>
-<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num,</div>
-<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  fs->ReadFileToValue<IdType>(vertex_num_file_path));</div>
-<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  IdType chunk_size;</div>
-<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (adj_list_type == AdjListType::ordered_by_source ||</div>
-<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  adj_list_type == AdjListType::unordered_by_source) {</div>
-<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  chunk_size = edge_info->GetSrcChunkSize();</div>
-<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  chunk_size = edge_info->GetDstChunkSize();</div>
-<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div>
-<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> (vertex_num + chunk_size - 1) / chunk_size;</div>
-<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div>
-<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div>
-<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> Result<IdType> GetVertexNum(<span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  AdjListType adj_list_type) noexcept {</div>
-<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  std::string out_prefix;</div>
-<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> fs, FileSystemFromUriOrPath(prefix, &out_prefix));</div>
-<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num_file_suffix,</div>
-<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  edge_info->GetVerticesNumFilePath(adj_list_type));</div>
-<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  std::string vertex_num_file_path = out_prefix + vertex_num_file_suffix;</div>
-<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> vertex_num,</div>
-<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  fs->ReadFileToValue<IdType>(vertex_num_file_path));</div>
-<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> vertex_num;</div>
-<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div>
-<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
-<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> Result<IdType> GetEdgeChunkNum(<span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  AdjListType adj_list_type,</div>
-<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  IdType vertex_chunk_index) noexcept {</div>
-<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  std::string out_prefix;</div>
-<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> fs, FileSystemFromUriOrPath(prefix, &out_prefix));</div>
-<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">auto</span> edge_num_file_suffix,</div>
-<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  edge_info->GetEdgesNumFilePath(vertex_chunk_index, adj_list_type));</div>
-<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  std::string edge_num_file_path = out_prefix + edge_num_file_suffix;</div>
-<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> edge_num,</div>
-<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  fs->ReadFileToValue<IdType>(edge_num_file_path));</div>
-<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> (edge_num + edge_info->GetChunkSize() - 1) / edge_info->GetChunkSize();</div>
-<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> }</div>
-<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
-<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> Result<IdType> GetEdgeNum(<span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  AdjListType adj_list_type,</div>
-<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  IdType vertex_chunk_index) noexcept {</div>
-<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  std::string out_prefix;</div>
-<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> fs, FileSystemFromUriOrPath(prefix, &out_prefix));</div>
-<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">auto</span> edge_num_file_suffix,</div>
-<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  edge_info->GetEdgesNumFilePath(vertex_chunk_index, adj_list_type));</div>
-<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  std::string edge_num_file_path = out_prefix + edge_num_file_suffix;</div>
-<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> edge_num,</div>
-<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  fs->ReadFileToValue<IdType>(edge_num_file_path));</div>
-<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> edge_num;</div>
-<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
-<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
-<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> } <span class="comment">// namespace graphar::util</span></div>
-<div class="ttc" id="aclassgraphar_1_1_status_html_a9ca4be37aae8dfea7e6ef54920e0073f"><div class="ttname"><a href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">graphar::Status::Invalid</a></div><div class="ttdeci">static Status Invalid(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00188">status.h:188</a></div></div>
+<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// Check if the operation of copying a file as a property chunk is allowed.</span></div>
+<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> Status EdgeChunkInfoWriter::validate(</div>
+<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// validate for adj list type & index</span></div>
+<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, chunk_index, validate_level));</div>
+<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// weak & strong validate for property group</span></div>
+<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> (!edge_info_->HasPropertyGroup(property_group)) {</div>
+<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"Property group"</span>, <span class="stringliteral">" does not exist in the "</span>,</div>
+<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" edge info."</span>);</div>
+<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
+<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> }</div>
+<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
+<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> Status EdgeChunkInfoWriter::WriteAdjListChunk(</div>
+<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> std::string& file_name, IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, chunk_index, validate_level));</div>
+<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">auto</span> suffix, edge_info_->GetAdjListFilePath(vertex_chunk_index,</div>
+<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  chunk_index, adj_list_type_));</div>
+<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
+<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> }</div>
+<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
+<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> Status EdgeChunkInfoWriter::WriteOffsetChunk(</div>
+<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> std::string& file_name, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, 0, validate_level));</div>
+<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetAdjListOffsetFilePath(</div>
+<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  vertex_chunk_index, adj_list_type_));</div>
+<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
+<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> }</div>
+<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
+<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> Status EdgeChunkInfoWriter::WritePropertyChunk(</div>
+<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">const</span> std::string& file_name,</div>
+<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  GAR_RETURN_NOT_OK(validate(property_group, vertex_chunk_index, chunk_index,</div>
+<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  validate_level));</div>
+<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetPropertyFilePath(</div>
+<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  property_group, adj_list_type_,</div>
+<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  vertex_chunk_index, chunk_index));</div>
+<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
+<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div>
+<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> } <span class="comment">// namespace graphar</span></div>
+<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_status_html_a1f9b2120c7a6b3e66f9f2e31021df67f"><div class="ttname"><a href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">graphar::Status::IndexError</a></div><div class="ttdeci">static Status IndexError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00197">status.h:197</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_status_html_a4ee4924ddadfc2c1effc055572084d71"><div class="ttname"><a href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">graphar::Status::KeyError</a></div><div class="ttdeci">static Status KeyError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00172">status.h:172</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_ad92f5c41a661d4f468390e39da90f881"><div class="ttname"><a href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">graphar::Status::OK</a></div><div class="ttdeci">static Status OK()</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00157">status.h:157</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_chunk_info_writer_html_af7f075dd7412ad38175eb1e09de9158d"><div class="ttname"><a href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d">graphar::VertexChunkInfoWriter::VertexChunkInfoWriter</a></div><div class="ttdeci">VertexChunkInfoWriter(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div cla [...]
</div><!-- fragment --></div><!-- contents -->
<!--
Licensed to the Apache Software Foundation (ASF) under one
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similarity index 52%
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copy to docs/cpp/chunk__info__writer_8h_source.html
index 5d3f86b..0d4de9a 100644
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-<title>Apache GraphAr C++ Library: include/graphar/fwd.h Source File</title>
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@@ -62,12 +62,12 @@ $(function() {
<div id="nav-path" class="navpath">
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-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">fwd.h</div> </div>
+<div class="title">chunk_info_writer.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
@@ -92,95 +92,79 @@ $(function() {
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#pragma once</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <memory></span></div>
-<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <optional></span></div>
-<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div>
-<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <unordered_map></span></div>
-<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></span></div>
-<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "result/result.hpp"</span></div>
-<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
-<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "graphar/util/macros.h"</span></div>
-<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "graphar/util/status.h"</span></div>
-<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
-<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>graphar {</div>
-<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
-<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">class </span>Status;</div>
-<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
-<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div>
-<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">using</span> Result = cpp::result<T, Status>;</div>
-<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
-<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">struct </span>GeneralParams;</div>
-<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">class </span>Yaml;</div>
-<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">class </span>FileSystem;</div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string></span></div>
+<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div>
+<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
+<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "graphar/fwd.h"</span></div>
+<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/writer_util.h"</span></div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
+<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>graphar {</div>
+<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
+<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_chunk_info_writer.html"> 31</a></span> <span class="keyword">class </span><a class="code" href="classgraphar_1_1_vertex_chunk_info_writer.html">VertexChunkInfoWriter</a> {</div>
+<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">public</span>:</div>
+<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">explicit</span> <a class="code" href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d">VertexChunkInfoWriter</a>(</div>
+<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
+<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
+<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> WriteChunk(</div>
+<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> std::string& file_name,</div>
+<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
+<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ValidateLevel validate_level = ValidateLevel::no_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
+<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  IdType chunk_index, ValidateLevel validate_level) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
-<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">using</span> IdType = int64_t;</div>
-<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">enum class</span> Type;</div>
-<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">class </span>DataType;</div>
-<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">enum</span> FileType { CSV = 0, PARQUET = 1, ORC = 2, JSON = 3 };</div>
-<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="keyword">enum class</span> AdjListType : uint8_t;</div>
-<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
-<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> template <typename T></div>
-<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> class Array;</div>
-<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
-<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> class InfoVersion;</div>
-<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div>
-<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> class Property;</div>
-<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> class PropertyGroup;</div>
-<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> class AdjacentList;</div>
-<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> class Expression;</div>
-<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
-<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> class VertexInfo;</div>
-<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> class EdgeInfo;</div>
-<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> class GraphInfo;</div>
-<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
-<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> using PropertyGroupVector = std::vector<std::shared_ptr<PropertyGroup>>;</div>
-<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> using AdjacentListVector = std::vector<std::shared_ptr<AdjacentList>>;</div>
-<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> using VertexInfoVector = std::vector<std::shared_ptr<VertexInfo>>;</div>
-<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> using EdgeInfoVector = std::vector<std::shared_ptr<EdgeInfo>>;</div>
-<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
-<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> std::shared_ptr<PropertyGroup> CreatePropertyGroup(</div>
-<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  const std::vector<Property>& properties, FileType file_type,</div>
-<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  const std::string& prefix = "");</div>
-<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
-<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> std::shared_ptr<AdjacentList> CreateAdjacentList(</div>
-<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  AdjListType type, FileType file_type, const std::string& prefix = "");</div>
+<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::shared_ptr<VertexInfo> vertex_info_;</div>
+<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::string prefix_;</div>
+<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  std::shared_ptr<FileSystem> fs_;</div>
+<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  ValidateLevel validate_level_;</div>
+<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> };</div>
+<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
+<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_info_writer.html"> 78</a></span> <span class="keyword">class </span><a class="code" href="classgraphar_1_1_edge_chunk_info_writer.html">EdgeChunkInfoWriter</a> {</div>
+<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">explicit</span> <a class="code" href="classgraphar_1_1_edge_chunk_info_writer.html">EdgeChunkInfoWriter</a>(</div>
+<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  AdjListType adj_list_type,</div>
+<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
+<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
+<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> WriteAdjListChunk(</div>
+<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> std::string& file_name, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  IdType chunk_index,</div>
+<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
+<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> WriteOffsetChunk(</div>
+<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">const</span> std::string& file_name, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
-<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> std::shared_ptr<VertexInfo> CreateVertexInfo(</div>
-<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  const std::string& label, IdType chunk_size,</div>
-<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  const PropertyGroupVector& property_groups, const std::string& prefix = "",</div>
-<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  std::shared_ptr<const InfoVersion> version = nullptr);</div>
-<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
-<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> std::shared_ptr<EdgeInfo> CreateEdgeInfo(</div>
-<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  const std::string& src_label, const std::string& edge_label,</div>
-<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  const std::string& dst_label, IdType chunk_size, IdType src_chunk_size,</div>
-<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  IdType dst_chunk_size, bool directed,</div>
-<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  const AdjacentListVector& adjacent_lists,</div>
-<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  const PropertyGroupVector& property_groups, const std::string& prefix = "",</div>
-<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  std::shared_ptr<const InfoVersion> version = nullptr);</div>
-<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div>
-<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> std::shared_ptr<GraphInfo> CreateGraphInfo(</div>
-<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  const std::string& name, const VertexInfoVector& vertex_infos,</div>
-<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  const EdgeInfoVector& edge_infos, const std::string& prefix,</div>
-<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  std::shared_ptr<const InfoVersion> version = nullptr,</div>
-<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  const std::unordered_map<std::string, std::string>& extra_info = {});</div>
-<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  </div>
-<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> const std::shared_ptr<DataType>& boolean();</div>
-<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> const std::shared_ptr<DataType>& int32();</div>
-<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> const std::shared_ptr<DataType>& int64();</div>
-<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> const std::shared_ptr<DataType>& float32();</div>
-<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> const std::shared_ptr<DataType>& float64();</div>
-<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> const std::shared_ptr<DataType>& string();</div>
-<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> const std::shared_ptr<DataType>& date();</div>
-<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> const std::shared_ptr<DataType>& timestamp();</div>
-<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> std::shared_ptr<DataType> list(const std::shared_ptr<DataType>& value_type);</div>
-<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> } <span class="comment">// namespace graphar</span></div>
-<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  </div>
-<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> namespace graphar::util {</div>
-<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keyword">struct </span>FilterOptions;</div>
-<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="keyword">using</span> Filter = std::shared_ptr<Expression>;</div>
-<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">using</span> ColumnNames =</div>
-<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  std::optional<std::reference_wrapper<std::vector<std::string>>>;</div>
-<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> } <span class="comment">// namespace graphar::util</span></div>
+<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> WritePropertyChunk(</div>
+<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keyword">const</span> std::string& file_name,</div>
+<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
+<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(IdType count_or_index1, IdType count_or_index2,</div>
+<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
+<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
+<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  std::shared_ptr<EdgeInfo> edge_info_;</div>
+<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  IdType vertex_chunk_size_;</div>
+<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  IdType chunk_size_;</div>
+<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  AdjListType adj_list_type_;</div>
+<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  std::string prefix_;</div>
+<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  std::shared_ptr<FileSystem> fs_;</div>
+<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  ValidateLevel validate_level_;</div>
+<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> };</div>
+<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> } <span class="comment">// namespace graphar</span></div>
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_info_writer_html"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_info_writer.html">graphar::EdgeChunkInfoWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__writer_8h_source.html#l00078">chunk_info_writer.h:78</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_chunk_info_writer_html"><div class="ttname"><a href="classgraphar_1_1_vertex_chunk_info_writer.html">graphar::VertexChunkInfoWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="chunk__info__writer_8h_source.html#l00031">chunk_info_writer.h:31</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_chunk_info_writer_html_af7f075dd7412ad38175eb1e09de9158d"><div class="ttname"><a href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d">graphar::VertexChunkInfoWriter::VertexChunkInfoWriter</a></div><div class="ttdeci">VertexChunkInfoWriter(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div cla [...]
</div><!-- fragment --></div><!-- contents -->
<!--
Licensed to the Apache Software Foundation (ASF) under one
diff --git a/docs/cpp/arrow__chunk__reader_8cc_source.html b/docs/cpp/chunk__reader_8cc_source.html
similarity index 76%
rename from docs/cpp/arrow__chunk__reader_8cc_source.html
rename to docs/cpp/chunk__reader_8cc_source.html
index 5d21fbe..7e88c14 100644
--- a/docs/cpp/arrow__chunk__reader_8cc_source.html
+++ b/docs/cpp/chunk__reader_8cc_source.html
@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: src/arrow_chunk_reader.cc Source File</title>
+<title>Apache GraphAr C++ Library: src/graphar/arrow/chunk_reader.cc Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,12 +62,12 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_8eab286ef154dc33b7755fb8706324e6.html">arrow</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">arrow_chunk_reader.cc</div> </div>
+<div class="title">chunk_reader.cc</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
@@ -89,841 +89,856 @@ $(function() {
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
-<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "arrow/api.h"</span></div>
-<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include "arrow/compute/api.h"</span></div>
-<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
-<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
-<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "graphar/reader/arrow_chunk_reader.h"</span></div>
-<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "graphar/util/adj_list_type.h"</span></div>
-<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "graphar/util/data_type.h"</span></div>
-<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/util/filesystem.h"</span></div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/util/general_params.h"</span></div>
-<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "graphar/util/reader_util.h"</span></div>
-<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "graphar/util/result.h"</span></div>
-<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "graphar/util/status.h"</span></div>
-<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "graphar/util/util.h"</span></div>
-<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
-<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>graphar {</div>
-<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
-<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>{</div>
-<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
-<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> Result<std::shared_ptr<arrow::Schema>> PropertyGroupToSchema(</div>
-<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup> pg,</div>
-<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">bool</span> contain_index_column = <span class="keyword">false</span>) {</div>
-<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  std::vector<std::shared_ptr<arrow::Field>> fields;</div>
-<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (contain_index_column) {</div>
-<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  fields.push_back(std::make_shared<arrow::Field>(</div>
-<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  GeneralParams::kVertexIndexCol, arrow::int64()));</div>
-<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div>
-<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& prop : pg->GetProperties()) {</div>
-<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  fields.push_back(std::make_shared<arrow::Field>(</div>
-<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  prop.name, DataType::DataTypeToArrowDataType(prop.type)));</div>
-<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div>
-<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> arrow::schema(fields);</div>
-<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div>
-<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
-<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> Status GeneralCast(<span class="keyword">const</span> std::shared_ptr<arrow::Array>& in,</div>
-<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> std::shared_ptr<arrow::DataType>& to_type,</div>
-<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  std::shared_ptr<arrow::Array>* out) {</div>
-<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(*out,</div>
-<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  arrow::compute::Cast(*in, to_type));</div>
-<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
-<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
-<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> Status CastStringToLargeString(<span class="keyword">const</span> std::shared_ptr<arrow::Array>& in,</div>
-<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> std::shared_ptr<arrow::DataType>& to_type,</div>
-<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  std::shared_ptr<arrow::Array>* out) {</div>
-<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">auto</span> array_data = in->data()->Copy();</div>
-<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">auto</span> offset = array_data->buffers[1];</div>
-<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">using</span> from_offset_type = <span class="keyword">typename</span> arrow::StringArray::offset_type;</div>
-<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">using</span> to_string_offset_type = <span class="keyword">typename</span> arrow::LargeStringArray::offset_type;</div>
-<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">auto</span> raw_value_offsets_ =</div>
-<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  offset == NULLPTR</div>
-<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  ? NULLPTR</div>
-<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  : <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>from_offset_type*<span class="keyword">></span>(offset->data());</div>
-<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::vector<to_string_offset_type> to_offset(offset->size() /</div>
-<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">sizeof</span>(from_offset_type));</div>
-<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < to_offset.size(); ++i) {</div>
-<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  to_offset[i] = raw_value_offsets_[i];</div>
-<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
-<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  std::shared_ptr<arrow::Buffer> buffer;</div>
-<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  arrow::TypedBufferBuilder<to_string_offset_type> buffer_builder;</div>
-<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  RETURN_NOT_ARROW_OK(</div>
-<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  buffer_builder.Append(to_offset.data(), to_offset.size()));</div>
-<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  RETURN_NOT_ARROW_OK(buffer_builder.Finish(&buffer));</div>
-<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  array_data->type = to_type;</div>
-<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  array_data->buffers[1] = buffer;</div>
-<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  *out = arrow::MakeArray(array_data);</div>
-<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  RETURN_NOT_ARROW_OK((*out)->ValidateFull());</div>
-<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div>
-<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
-<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// helper function to cast arrow::Table with a schema</span></div>
-<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> Status CastTableWithSchema(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& table,</div>
-<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Schema>& schema,</div>
-<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  std::shared_ptr<arrow::Table>* out_table) {</div>
-<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (table->schema()->Equals(*schema)) {</div>
-<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  *out_table = table;</div>
-<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
-<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  std::vector<std::shared_ptr<arrow::ChunkedArray>> columns;</div>
-<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">for</span> (int64_t i = 0; i < table->num_columns(); ++i) {</div>
-<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">auto</span> column = table->column(i);</div>
-<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (table->field(i)->type()->Equals(schema->field(i)->type())) {</div>
-<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  columns.push_back(column);</div>
-<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">continue</span>;</div>
-<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div>
-<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">auto</span> from_t = table->field(i)->type();</div>
-<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">auto</span> to_t = schema->field(i)->type();</div>
-<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  std::vector<std::shared_ptr<arrow::Array>> chunks;</div>
-<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// process cast for each chunk</span></div>
-<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">for</span> (int64_t j = 0; j < column->num_chunks(); ++j) {</div>
-<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">auto</span> chunk = column->chunk(j);</div>
-<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::shared_ptr<arrow::Array> out;</div>
-<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (arrow::compute::CanCast(*from_t, *to_t)) {</div>
-<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  GAR_RETURN_NOT_OK(GeneralCast(chunk, to_t, &out));</div>
-<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  chunks.push_back(out);</div>
-<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (from_t->Equals(arrow::utf8()) &&</div>
-<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  to_t->Equals(arrow::large_utf8())) {</div>
-<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  GAR_RETURN_NOT_OK(CastStringToLargeString(chunk, to_t, &out));</div>
-<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  chunks.push_back(out);</div>
-<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div>
-<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
-<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  columns.push_back(std::make_shared<arrow::ChunkedArray>(chunks, to_t));</div>
-<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
-<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
-<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  *out_table = arrow::Table::Make(schema, columns);</div>
-<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div>
-<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> } <span class="comment">// namespace</span></div>
-<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
-<div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916"> 127</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916">VertexPropertyArrowChunkReader::VertexPropertyArrowChunkReader</a>(</div>
-<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
-<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> std::string& prefix, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options)</div>
-<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  : vertex_info_(std::move(vertex_info)),</div>
-<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  property_group_(std::move(property_group)),</div>
-<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  chunk_index_(0),</div>
-<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  seek_id_(0),</div>
-<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  schema_(nullptr),</div>
-<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  chunk_table_(nullptr),</div>
-<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  filter_options_(options) {</div>
-<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
-<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> pg_path_prefix,</div>
-<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  vertex_info->GetPathPrefix(property_group));</div>
-<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  std::string base_dir = prefix_ + pg_path_prefix;</div>
-<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  GAR_ASSIGN_OR_RAISE_ERROR(chunk_num_,</div>
-<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  util::GetVertexChunkNum(prefix_, vertex_info));</div>
-<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  GAR_ASSIGN_OR_RAISE_ERROR(vertex_num_,</div>
-<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  util::GetVertexNum(prefix_, vertex_info_));</div>
-<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  GAR_ASSIGN_OR_RAISE_ERROR(schema_,</div>
-<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  PropertyGroupToSchema(property_group_, <span class="keyword">true</span>));</div>
-<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> }</div>
-<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
-<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0"> 150</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0">VertexPropertyArrowChunkReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  seek_id_ = id;</div>
-<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  IdType pre_chunk_index = chunk_index_;</div>
-<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_info_->GetChunkSize();</div>
-<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
-<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// TODO(@acezen): use a cache to avoid reloading the same chunk, could use</span></div>
-<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// a LRU cache.</span></div>
-<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div>
-<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  chunk_num_ * vertex_info_->GetChunkSize(),</div>
-<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="stringliteral">") of vertex "</span>, vertex_info_->GetLabel());</div>
-<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
-<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> }</div>
-<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
-<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> Result<std::shared_ptr<arrow::Table>></div>
-<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867"> 168</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867">VertexPropertyArrowChunkReader::GetChunk</a>() {</div>
-<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  GAR_RETURN_NOT_OK(util::CheckFilterOptions(filter_options_, property_group_));</div>
-<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  vertex_info_->GetFilePath(property_group_, chunk_index_));</div>
-<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  std::string path = prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  chunk_table_, fs_->ReadFileToTable(path, property_group_->GetFileType(),</div>
-<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  filter_options_));</div>
-<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// TODO(acezen): filter pushdown doesn't support cast schema now</span></div>
-<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (schema_ != <span class="keyword">nullptr</span> && filter_options_.filter == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  CastTableWithSchema(chunk_table_, schema_, &chunk_table_));</div>
-<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
-<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
-<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  IdType row_offset = seek_id_ - chunk_index_ * vertex_info_->GetChunkSize();</div>
-<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset);</div>
-<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</div>
-<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
-<div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea"> 188</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea">VertexPropertyArrowChunkReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (++chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="stringliteral">"vertex chunk index "</span>, chunk_index_, <span class="stringliteral">" is out-of-bounds for vertex "</span>,</div>
-<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  vertex_info_->GetLabel(), <span class="stringliteral">" chunk num "</span>, chunk_num_);</div>
-<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
-<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  seek_id_ = chunk_index_ * vertex_info_->GetChunkSize();</div>
-<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
-<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> }</div>
-<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
-<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf"> 200</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf">VertexPropertyArrowChunkReader::Filter</a>(util::Filter filter) {</div>
-<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  filter_options_.filter = filter;</div>
-<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> }</div>
-<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
-<div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185"> 204</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185">VertexPropertyArrowChunkReader::Select</a>(util::ColumnNames column_names) {</div>
-<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  filter_options_.columns = column_names;</div>
-<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</div>
-<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div>
-<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> Result<std::shared_ptr<VertexPropertyArrowChunkReader>></div>
-<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569"> 209</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">VertexPropertyArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
-<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> std::string& prefix, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
-<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> std::make_shared<VertexPropertyArrowChunkReader>(</div>
-<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  vertex_info, property_group, prefix, options);</div>
-<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
-<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div>
-<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> Result<std::shared_ptr<VertexPropertyArrowChunkReader>></div>
-<div class="line"><a name="l00218"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a575efd0bdf1936664df4fa30f0293860"> 218</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">VertexPropertyArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
-<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
-<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
-<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
-<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex type "</span>, label,</div>
-<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="stringliteral">" doesn't exist in graph "</span>, graph_info->GetName(),</div>
-<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
-<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">Make</a>(vertex_info, property_group, graph_info->GetPrefix(), options);</div>
-<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div>
-<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div>
-<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> Result<std::shared_ptr<VertexPropertyArrowChunkReader>></div>
-<div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a1d001628c0edf598d1b43495dbb76b9a"> 232</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">VertexPropertyArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
-<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">const</span> std::string& property_name, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
-<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
-<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
-<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex type "</span>, label,</div>
-<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="stringliteral">" doesn't exist in graph "</span>, graph_info->GetName(),</div>
-<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div>
-<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keyword">auto</span> property_group = vertex_info->GetPropertyGroup(property_name);</div>
-<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (!property_group) {</div>
-<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
-<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="stringliteral">" doesn't exist in vertex type "</span>, label, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
-<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">Make</a>(vertex_info, property_group, graph_info->GetPrefix(), options);</div>
-<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> }</div>
-<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
-<div class="line"><a name="l00249"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46"> 249</a></span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">AdjListArrowChunkReader::AdjListArrowChunkReader</a>(</div>
-<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> std::string& prefix)</div>
-<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  : edge_info_(edge_info),</div>
-<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  adj_list_type_(adj_list_type),</div>
-<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  prefix_(prefix),</div>
-<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  vertex_chunk_index_(0),</div>
-<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  chunk_index_(0),</div>
-<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  seek_offset_(0),</div>
-<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  chunk_table_(nullptr),</div>
-<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  chunk_num_(-1) <span class="comment">/* -1 means uninitialized */</span> {</div>
-<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
-<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> adj_list_path_prefix,</div>
-<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  edge_info->GetAdjListPathPrefix(adj_list_type));</div>
-<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  base_dir_ = prefix_ + adj_list_path_prefix;</div>
-<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  vertex_chunk_num_,</div>
-<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
-<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> }</div>
-<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
-<div class="line"><a name="l00269"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a28cde9de63bcb042b61de37244442d1e"> 269</a></span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">AdjListArrowChunkReader::AdjListArrowChunkReader</a>(</div>
-<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">const</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html">AdjListArrowChunkReader</a>& other)</div>
-<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  : edge_info_(other.edge_info_),</div>
-<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  adj_list_type_(other.adj_list_type_),</div>
-<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  prefix_(other.prefix_),</div>
-<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  vertex_chunk_index_(other.vertex_chunk_index_),</div>
-<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  chunk_index_(other.chunk_index_),</div>
-<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  seek_offset_(other.seek_offset_),</div>
-<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  chunk_table_(nullptr),</div>
-<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  vertex_chunk_num_(other.vertex_chunk_num_),</div>
-<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  chunk_num_(other.chunk_num_),</div>
-<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  base_dir_(other.base_dir_),</div>
-<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  fs_(other.fs_) {}</div>
-<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  </div>
-<div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9"> 283</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9">AdjListArrowChunkReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
-<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
-<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
-<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  </div>
-<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
-<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
-<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div>
-<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// initialize or update chunk_num_</span></div>
-<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div>
-<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  </div>
-<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
-<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(0); <span class="comment">// start from first chunk</span></div>
-<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
-<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(range.first);</div>
-<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div>
-<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> }</div>
-<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  </div>
-<div class="line"><a name="l00316"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e"> 316</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e">AdjListArrowChunkReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
-<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div>
-<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  </div>
-<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
-<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div>
-<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="comment">// initialize or update chunk_num_</span></div>
-<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div>
-<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div>
-<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
-<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
-<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
-<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(range.first);</div>
-<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div>
-<div class="line"><a name="l00346"></a><span class="lineno"> 346</span> }</div>
-<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div>
-<div class="line"><a name="l00348"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911"> 348</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">AdjListArrowChunkReader::seek</a>(IdType offset) {</div>
-<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  seek_offset_ = offset;</div>
-<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  IdType pre_chunk_index = chunk_index_;</div>
-<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  chunk_index_ = offset / edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
-<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
-<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
-<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">// initialize chunk_num_</span></div>
-<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
-<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, offset,</div>
-<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
-<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="stringliteral">"), edge label: "</span>, edge_info_->GetEdgeLabel());</div>
-<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  }</div>
-<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> }</div>
-<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
-<div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a"> 368</a></span> Result<std::shared_ptr<arrow::Table>> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a">AdjListArrowChunkReader::GetChunk</a>() {</div>
-<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  edge_info_->GetAdjListFilePath(</div>
-<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  vertex_chunk_index_, chunk_index_, adj_list_type_));</div>
-<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  std::string path = prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
-<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  GAR_ASSIGN_OR_RAISE(chunk_table_, fs_->ReadFileToTable(path, file_type));</div>
-<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div>
-<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  IdType row_offset = seek_offset_ - chunk_index_ * edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset);</div>
-<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> }</div>
-<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
-<div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f"> 381</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f">AdjListArrowChunkReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  ++chunk_index_;</div>
-<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
-<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">// initialize chunk_num_</span></div>
-<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
-<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  ++vertex_chunk_index_;</div>
-<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
-<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>,</div>
-<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  vertex_chunk_num_);</div>
-<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div>
-<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  chunk_index_ = 0;</div>
-<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  }</div>
-<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  seek_offset_ = chunk_index_ * edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> }</div>
-<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  </div>
-<div class="line"><a name="l00402"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f"> 402</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f">AdjListArrowChunkReader::seek_chunk_index</a>(IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  IdType chunk_index) {</div>
-<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != vertex_chunk_index) {</div>
-<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  vertex_chunk_index_ = vertex_chunk_index;</div>
-<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div>
-<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">if</span> (chunk_index_ != chunk_index) {</div>
-<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  chunk_index_ = chunk_index;</div>
-<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  seek_offset_ = chunk_index * edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
-<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> }</div>
-<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  </div>
-<div class="line"><a name="l00417"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4"> 417</a></span> Result<IdType> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4">AdjListArrowChunkReader::GetRowNumOfChunk</a>() {</div>
-<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  edge_info_->GetAdjListFilePath(</div>
-<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  vertex_chunk_index_, chunk_index_, adj_list_type_));</div>
-<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  std::string path = prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
-<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  GAR_ASSIGN_OR_RAISE(chunk_table_, fs_->ReadFileToTable(path, file_type));</div>
-<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  }</div>
-<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">return</span> chunk_table_->num_rows();</div>
-<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> }</div>
-<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  </div>
-<div class="line"><a name="l00429"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69"> 429</a></span> Result<std::shared_ptr<AdjListArrowChunkReader>> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">AdjListArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">const</span> std::string& prefix) {</div>
-<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
-<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
-<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
-<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div>
-<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">return</span> std::make_shared<AdjListArrowChunkReader>(edge_info, adj_list_type,</div>
-<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  prefix);</div>
-<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> }</div>
-<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  </div>
-<div class="line"><a name="l00441"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9a70b04a1022f4510880a0d9deeb7bd5"> 441</a></span> Result<std::shared_ptr<AdjListArrowChunkReader>> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">AdjListArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  }</div>
-<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
-<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> }</div>
-<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  </div>
-<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <a class="code" href="classgraphar_1_1_status.html">Status</a> AdjListArrowChunkReader::initOrUpdateEdgeChunkNum() {</div>
-<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  GAR_ASSIGN_OR_RAISE(chunk_num_,</div>
-<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> }</div>
-<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
-<div class="line"><a name="l00460"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10"> 460</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10">AdjListOffsetArrowChunkReader::AdjListOffsetArrowChunkReader</a>(</div>
-<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keyword">const</span> std::string& prefix)</div>
-<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  : edge_info_(std::move(edge_info)),</div>
-<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  adj_list_type_(adj_list_type),</div>
-<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  prefix_(prefix),</div>
-<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  chunk_index_(0),</div>
-<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  seek_id_(0),</div>
-<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  chunk_table_(nullptr) {</div>
-<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  std::string base_dir;</div>
-<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
-<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> dir_path,</div>
-<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  edge_info->GetOffsetPathPrefix(adj_list_type));</div>
-<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  base_dir_ = prefix_ + dir_path;</div>
-<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (adj_list_type == AdjListType::ordered_by_source ||</div>
-<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  adj_list_type == AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  vertex_chunk_num_,</div>
-<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
-<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  vertex_chunk_size_ = adj_list_type == AdjListType::ordered_by_source</div>
-<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  ? edge_info_->GetSrcChunkSize()</div>
-<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  : edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  std::string err_msg = <span class="stringliteral">"Invalid adj list type "</span> +</div>
-<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  std::string(AdjListTypeToString(adj_list_type)) +</div>
-<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="stringliteral">" to construct AdjListOffsetReader."</span>;</div>
-<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">throw</span> std::runtime_error(err_msg);</div>
-<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
-<div class="line"><a name="l00488"></a><span class="lineno"> 488</span> }</div>
-<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  </div>
-<div class="line"><a name="l00490"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7"> 490</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7">AdjListOffsetArrowChunkReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  seek_id_ = id;</div>
-<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  IdType pre_chunk_index = chunk_index_;</div>
-<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_chunk_size_;</div>
-<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
-<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  }</div>
-<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">if</span> (chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">"is out of range [0,"</span>,</div>
-<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  vertex_chunk_num_ * vertex_chunk_size_,</div>
-<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="stringliteral">"), of edge "</span>, edge_info_->GetEdgeLabel(),</div>
-<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="stringliteral">" of adj list type "</span>,</div>
-<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  }</div>
-<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> }</div>
-<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  </div>
-<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> Result<std::shared_ptr<arrow::Array>></div>
-<div class="line"><a name="l00508"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b"> 508</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b">AdjListOffsetArrowChunkReader::GetChunk</a>() {</div>
-<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  edge_info_->GetAdjListOffsetFilePath(chunk_index_, adj_list_type_));</div>
-<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  std::string path = prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
-<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  GAR_ASSIGN_OR_RAISE(chunk_table_, fs_->ReadFileToTable(path, file_type));</div>
-<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
-<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  IdType row_offset = seek_id_ - chunk_index_ * vertex_chunk_size_;</div>
-<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset)->column(0)->chunk(0);</div>
-<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> }</div>
-<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  </div>
-<div class="line"><a name="l00521"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae"> 521</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae">AdjListOffsetArrowChunkReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">if</span> (++chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, chunk_index_,</div>
-<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>,</div>
-<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  vertex_chunk_num_, <span class="stringliteral">" of edge "</span>,</div>
-<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" of adj list type "</span>,</div>
-<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  }</div>
-<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  seek_id_ = chunk_index_ * vertex_chunk_size_;</div>
-<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  </div>
-<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> }</div>
-<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  </div>
-<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> Result<std::shared_ptr<AdjListOffsetArrowChunkReader>></div>
-<div class="line"><a name="l00536"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917"> 536</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">AdjListOffsetArrowChunkReader::Make</a>(<span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  AdjListType adj_list_type,</div>
-<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keyword">const</span> std::string& prefix) {</div>
-<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
-<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
-<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
-<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  }</div>
-<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">return</span> std::make_shared<AdjListOffsetArrowChunkReader>(edge_info,</div>
-<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  adj_list_type, prefix);</div>
-<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> }</div>
-<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  </div>
-<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> Result<std::shared_ptr<AdjListOffsetArrowChunkReader>></div>
-<div class="line"><a name="l00549"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a147b4c59a813f206a6b1400089b58dd2"> 549</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">AdjListOffsetArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  }</div>
-<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
-<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> }</div>
-<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  </div>
-<div class="line"><a name="l00561"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a"> 561</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a>(</div>
-<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string prefix,</div>
-<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options)</div>
-<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  : edge_info_(std::move(edge_info)),</div>
-<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  property_group_(std::move(property_group)),</div>
-<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  adj_list_type_(adj_list_type),</div>
-<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  prefix_(prefix),</div>
-<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  vertex_chunk_index_(0),</div>
-<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  chunk_index_(0),</div>
-<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  seek_offset_(0),</div>
-<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  schema_(nullptr),</div>
-<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  chunk_table_(nullptr),</div>
-<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  filter_options_(options),</div>
-<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  chunk_num_(-1) <span class="comment">/* -1 means uninitialized */</span> {</div>
-<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
-<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keyword">auto</span> pg_path_prefix,</div>
-<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  edge_info->GetPropertyGroupPathPrefix(property_group, adj_list_type));</div>
-<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  base_dir_ = prefix_ + pg_path_prefix;</div>
-<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
-<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  vertex_chunk_num_,</div>
-<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
-<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  GAR_ASSIGN_OR_RAISE_ERROR(schema_,</div>
-<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  PropertyGroupToSchema(property_group, <span class="keyword">false</span>));</div>
-<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> }</div>
-<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  </div>
-<div class="line"><a name="l00589"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a66c409e218106ffce13da2095a4270c5"> 589</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a>(</div>
-<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keyword">const</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html">AdjListPropertyArrowChunkReader</a>& other)</div>
-<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  : edge_info_(other.edge_info_),</div>
-<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  property_group_(other.property_group_),</div>
-<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  adj_list_type_(other.adj_list_type_),</div>
-<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  prefix_(other.prefix_),</div>
-<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  vertex_chunk_index_(other.vertex_chunk_index_),</div>
-<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  chunk_index_(other.chunk_index_),</div>
-<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  seek_offset_(other.seek_offset_),</div>
-<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  schema_(other.schema_),</div>
-<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  chunk_table_(nullptr),</div>
-<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  filter_options_(other.filter_options_),</div>
-<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  vertex_chunk_num_(other.vertex_chunk_num_),</div>
-<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  chunk_num_(other.chunk_num_),</div>
-<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  base_dir_(other.base_dir_),</div>
-<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  fs_(other.fs_) {}</div>
-<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  </div>
-<div class="line"><a name="l00606"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63"> 606</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63">AdjListPropertyArrowChunkReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
-<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
-<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div>
+<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <utility></span></div>
+<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "arrow/api.h"</span></div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "arrow/compute/api.h"</span></div>
+<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div>
+<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "graphar/arrow/chunk_reader.h"</span></div>
+<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "graphar/filesystem.h"</span></div>
+<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/general_params.h"</span></div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
+<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "graphar/reader_util.h"</span></div>
+<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "graphar/result.h"</span></div>
+<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "graphar/status.h"</span></div>
+<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "graphar/types.h"</span></div>
+<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "graphar/util.h"</span></div>
+<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
+<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>graphar {</div>
+<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
+<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>{</div>
+<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
+<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> Result<std::shared_ptr<arrow::Schema>> PropertyGroupToSchema(</div>
+<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup> pg,</div>
+<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">bool</span> contain_index_column = <span class="keyword">false</span>) {</div>
+<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  std::vector<std::shared_ptr<arrow::Field>> fields;</div>
+<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">if</span> (contain_index_column) {</div>
+<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  fields.push_back(std::make_shared<arrow::Field>(</div>
+<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  GeneralParams::kVertexIndexCol, arrow::int64()));</div>
+<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div>
+<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& prop : pg->GetProperties()) {</div>
+<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  fields.push_back(std::make_shared<arrow::Field>(</div>
+<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  prop.name, DataType::DataTypeToArrowDataType(prop.type)));</div>
+<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div>
+<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> arrow::schema(fields);</div>
+<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> }</div>
+<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
+<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> Status GeneralCast(<span class="keyword">const</span> std::shared_ptr<arrow::Array>& in,</div>
+<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> std::shared_ptr<arrow::DataType>& to_type,</div>
+<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::shared_ptr<arrow::Array>* out) {</div>
+<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(*out,</div>
+<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  arrow::compute::Cast(*in, to_type));</div>
+<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div>
+<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
+<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> Status CastStringToLargeString(<span class="keyword">const</span> std::shared_ptr<arrow::Array>& in,</div>
+<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> std::shared_ptr<arrow::DataType>& to_type,</div>
+<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::shared_ptr<arrow::Array>* out) {</div>
+<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">auto</span> array_data = in->data()->Copy();</div>
+<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">auto</span> offset = array_data->buffers[1];</div>
+<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">using</span> from_offset_type = <span class="keyword">typename</span> arrow::StringArray::offset_type;</div>
+<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">using</span> to_string_offset_type = <span class="keyword">typename</span> arrow::LargeStringArray::offset_type;</div>
+<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">auto</span> raw_value_offsets_ =</div>
+<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  offset == NULLPTR</div>
+<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  ? NULLPTR</div>
+<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  : <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span>from_offset_type*<span class="keyword">></span>(offset->data());</div>
+<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::vector<to_string_offset_type> to_offset(offset->size() /</div>
+<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">sizeof</span>(from_offset_type));</div>
+<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i < to_offset.size(); ++i) {</div>
+<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  to_offset[i] = raw_value_offsets_[i];</div>
+<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div>
+<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  std::shared_ptr<arrow::Buffer> buffer;</div>
+<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  arrow::TypedBufferBuilder<to_string_offset_type> buffer_builder;</div>
+<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  RETURN_NOT_ARROW_OK(</div>
+<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  buffer_builder.Append(to_offset.data(), to_offset.size()));</div>
+<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  RETURN_NOT_ARROW_OK(buffer_builder.Finish(&buffer));</div>
+<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  array_data->type = to_type;</div>
+<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  array_data->buffers[1] = buffer;</div>
+<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  *out = arrow::MakeArray(array_data);</div>
+<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  RETURN_NOT_ARROW_OK((*out)->ValidateFull());</div>
+<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div>
+<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
+<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// helper function to cast arrow::Table with a schema</span></div>
+<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> Status CastTableWithSchema(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& table,</div>
+<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Schema>& schema,</div>
+<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  std::shared_ptr<arrow::Table>* out_table) {</div>
+<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (table->schema()->Equals(*schema)) {</div>
+<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  *out_table = table;</div>
+<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
+<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  std::vector<std::shared_ptr<arrow::ChunkedArray>> columns;</div>
+<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span> (int64_t i = 0; i < table->num_columns(); ++i) {</div>
+<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">auto</span> column = table->column(i);</div>
+<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (table->field(i)->type()->Equals(schema->field(i)->type())) {</div>
+<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  columns.push_back(column);</div>
+<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">continue</span>;</div>
+<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
+<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">auto</span> from_t = table->field(i)->type();</div>
+<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">auto</span> to_t = schema->field(i)->type();</div>
+<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::vector<std::shared_ptr<arrow::Array>> chunks;</div>
+<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// process cast for each chunk</span></div>
+<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">for</span> (int64_t j = 0; j < column->num_chunks(); ++j) {</div>
+<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">auto</span> chunk = column->chunk(j);</div>
+<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::shared_ptr<arrow::Array> out;</div>
+<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (arrow::compute::CanCast(*from_t, *to_t)) {</div>
+<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  GAR_RETURN_NOT_OK(GeneralCast(chunk, to_t, &out));</div>
+<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  chunks.push_back(out);</div>
+<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (from_t->Equals(arrow::utf8()) &&</div>
+<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  to_t->Equals(arrow::large_utf8())) {</div>
+<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  GAR_RETURN_NOT_OK(CastStringToLargeString(chunk, to_t, &out));</div>
+<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  chunks.push_back(out);</div>
+<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
+<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div>
+<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  columns.push_back(std::make_shared<arrow::ChunkedArray>(chunks, to_t));</div>
+<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
+<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
+<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  *out_table = arrow::Table::Make(schema, columns);</div>
+<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> }</div>
+<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> } <span class="comment">// namespace</span></div>
+<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
+<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916"> 128</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916">VertexPropertyArrowChunkReader::VertexPropertyArrowChunkReader</a>(</div>
+<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
+<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> std::string& prefix, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options)</div>
+<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  : vertex_info_(std::move(vertex_info)),</div>
+<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  property_group_(std::move(property_group)),</div>
+<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  chunk_index_(0),</div>
+<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  seek_id_(0),</div>
+<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  schema_(nullptr),</div>
+<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  chunk_table_(nullptr),</div>
+<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  filter_options_(options) {</div>
+<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
+<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> pg_path_prefix,</div>
+<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  vertex_info->GetPathPrefix(property_group));</div>
+<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  std::string base_dir = prefix_ + pg_path_prefix;</div>
+<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  GAR_ASSIGN_OR_RAISE_ERROR(chunk_num_,</div>
+<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  util::GetVertexChunkNum(prefix_, vertex_info));</div>
+<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  GAR_ASSIGN_OR_RAISE_ERROR(vertex_num_,</div>
+<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  util::GetVertexNum(prefix_, vertex_info_));</div>
+<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  GAR_ASSIGN_OR_RAISE_ERROR(schema_,</div>
+<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  PropertyGroupToSchema(property_group_, <span class="keyword">true</span>));</div>
+<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> }</div>
+<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
+<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0"> 151</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0">VertexPropertyArrowChunkReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  seek_id_ = id;</div>
+<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  IdType pre_chunk_index = chunk_index_;</div>
+<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_info_->GetChunkSize();</div>
+<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
+<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// TODO(@acezen): use a cache to avoid reloading the same chunk, could use</span></div>
+<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// a LRU cache.</span></div>
+<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
+<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  chunk_num_ * vertex_info_->GetChunkSize(),</div>
+<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="stringliteral">") of vertex "</span>, vertex_info_->GetLabel());</div>
+<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div>
+<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div>
+<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
+<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> Result<std::shared_ptr<arrow::Table>></div>
+<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867"> 169</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867">VertexPropertyArrowChunkReader::GetChunk</a>() {</div>
+<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  GAR_RETURN_NOT_OK(util::CheckFilterOptions(filter_options_, property_group_));</div>
+<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  vertex_info_->GetFilePath(property_group_, chunk_index_));</div>
+<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  std::string path = prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  chunk_table_, fs_->ReadFileToTable(path, property_group_->GetFileType(),</div>
+<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  filter_options_));</div>
+<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// TODO(acezen): filter pushdown doesn't support cast schema now</span></div>
+<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (schema_ != <span class="keyword">nullptr</span> && filter_options_.filter == <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  CastTableWithSchema(chunk_table_, schema_, &chunk_table_));</div>
+<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
+<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
+<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  IdType row_offset = seek_id_ - chunk_index_ * vertex_info_->GetChunkSize();</div>
+<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset);</div>
+<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> }</div>
+<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
+<div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea"> 189</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea">VertexPropertyArrowChunkReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (++chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="stringliteral">"vertex chunk index "</span>, chunk_index_, <span class="stringliteral">" is out-of-bounds for vertex "</span>,</div>
+<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  vertex_info_->GetLabel(), <span class="stringliteral">" chunk num "</span>, chunk_num_);</div>
+<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
+<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  seek_id_ = chunk_index_ * vertex_info_->GetChunkSize();</div>
+<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
+<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> }</div>
+<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
+<div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf"> 201</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf">VertexPropertyArrowChunkReader::Filter</a>(util::Filter filter) {</div>
+<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  filter_options_.filter = filter;</div>
+<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div>
+<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
+<div class="line"><a name="l00205"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185"> 205</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185">VertexPropertyArrowChunkReader::Select</a>(util::ColumnNames column_names) {</div>
+<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  filter_options_.columns = column_names;</div>
+<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div>
+<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
+<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> Result<std::shared_ptr<VertexPropertyArrowChunkReader>></div>
+<div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569"> 210</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">VertexPropertyArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info,</div>
+<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">const</span> std::string& prefix, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
+<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> std::make_shared<VertexPropertyArrowChunkReader>(</div>
+<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  vertex_info, property_group, prefix, options);</div>
+<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> }</div>
+<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
+<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> Result<std::shared_ptr<VertexPropertyArrowChunkReader>></div>
+<div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a575efd0bdf1936664df4fa30f0293860"> 219</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">VertexPropertyArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
+<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
+<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
+<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
+<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex type "</span>, label,</div>
+<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="stringliteral">" doesn't exist in graph "</span>, graph_info->GetName(),</div>
+<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div>
+<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">Make</a>(vertex_info, property_group, graph_info->GetPrefix(), options);</div>
+<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> }</div>
+<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
+<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> Result<std::shared_ptr<VertexPropertyArrowChunkReader>></div>
+<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a1d001628c0edf598d1b43495dbb76b9a"> 233</a></span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">VertexPropertyArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
+<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">const</span> std::string& property_name, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
+<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
+<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
+<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex type "</span>, label,</div>
+<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="stringliteral">" doesn't exist in graph "</span>, graph_info->GetName(),</div>
+<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div>
+<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">auto</span> property_group = vertex_info->GetPropertyGroup(property_name);</div>
+<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (!property_group) {</div>
+<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
+<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="stringliteral">" doesn't exist in vertex type "</span>, label, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div>
+<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">Make</a>(vertex_info, property_group, graph_info->GetPrefix(), options);</div>
+<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
+<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
+<div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46"> 250</a></span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">AdjListArrowChunkReader::AdjListArrowChunkReader</a>(</div>
+<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">const</span> std::string& prefix)</div>
+<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  : edge_info_(edge_info),</div>
+<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  vertex_chunk_index_(0),</div>
+<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  chunk_index_(0),</div>
+<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  seek_offset_(0),</div>
+<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  chunk_table_(nullptr),</div>
+<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  chunk_num_(-1) <span class="comment">/* -1 means uninitialized */</span> {</div>
+<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
+<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> adj_list_path_prefix,</div>
+<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  edge_info->GetAdjListPathPrefix(adj_list_type));</div>
+<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  base_dir_ = prefix_ + adj_list_path_prefix;</div>
+<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  vertex_chunk_num_,</div>
+<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
+<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> }</div>
+<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  </div>
+<div class="line"><a name="l00270"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a28cde9de63bcb042b61de37244442d1e"> 270</a></span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">AdjListArrowChunkReader::AdjListArrowChunkReader</a>(</div>
+<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">const</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html">AdjListArrowChunkReader</a>& other)</div>
+<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  : edge_info_(other.edge_info_),</div>
+<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  adj_list_type_(other.adj_list_type_),</div>
+<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  prefix_(other.prefix_),</div>
+<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  vertex_chunk_index_(other.vertex_chunk_index_),</div>
+<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  chunk_index_(other.chunk_index_),</div>
+<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  seek_offset_(other.seek_offset_),</div>
+<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  chunk_table_(nullptr),</div>
+<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  vertex_chunk_num_(other.vertex_chunk_num_),</div>
+<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  chunk_num_(other.chunk_num_),</div>
+<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  base_dir_(other.base_dir_),</div>
+<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  fs_(other.fs_) {}</div>
+<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div>
+<div class="line"><a name="l00284"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9"> 284</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9">AdjListArrowChunkReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
+<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
+<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
+<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
+<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
+<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  }</div>
+<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// initialize or update chunk_num_</span></div>
+<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  }</div>
+<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  </div>
+<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
+<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(0); <span class="comment">// start from first chunk</span></div>
+<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
+<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(range.first);</div>
+<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div>
+<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> }</div>
+<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  </div>
+<div class="line"><a name="l00317"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e"> 317</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e">AdjListArrowChunkReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
+<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
+<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div>
+<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
+<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div>
+<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// initialize or update chunk_num_</span></div>
+<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
+<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  </div>
+<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
+<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
+<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
+<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">seek</a>(range.first);</div>
+<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div>
+<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> }</div>
+<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  </div>
+<div class="line"><a name="l00349"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911"> 349</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">AdjListArrowChunkReader::seek</a>(IdType offset) {</div>
+<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  seek_offset_ = offset;</div>
+<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  IdType pre_chunk_index = chunk_index_;</div>
+<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  chunk_index_ = offset / edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
+<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
+<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
+<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="comment">// initialize chunk_num_</span></div>
+<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div>
+<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, offset,</div>
+<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
+<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="stringliteral">"), edge label: "</span>, edge_info_->GetEdgeLabel());</div>
+<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div>
+<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> }</div>
+<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  </div>
+<div class="line"><a name="l00369"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a"> 369</a></span> Result<std::shared_ptr<arrow::Table>> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a">AdjListArrowChunkReader::GetChunk</a>() {</div>
+<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">// check if the edge num of the current vertex chunk is 0</span></div>
+<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> edge_num,</div>
+<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  util::GetEdgeNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">if</span> (edge_num == 0) {</div>
+<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
+<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
+<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  edge_info_->GetAdjListFilePath(</div>
+<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  vertex_chunk_index_, chunk_index_, adj_list_type_));</div>
+<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  std::string path = prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
+<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  GAR_ASSIGN_OR_RAISE(chunk_table_, fs_->ReadFileToTable(path, file_type));</div>
+<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div>
+<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  IdType row_offset = seek_offset_ - chunk_index_ * edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset);</div>
+<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> }</div>
+<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  </div>
+<div class="line"><a name="l00389"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f"> 389</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f">AdjListArrowChunkReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  ++chunk_index_;</div>
+<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
+<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="comment">// initialize chunk_num_</span></div>
+<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  }</div>
+<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  ++vertex_chunk_index_;</div>
+<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
+<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>,</div>
+<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  vertex_chunk_num_);</div>
+<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  }</div>
+<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  chunk_index_ = 0;</div>
+<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div>
+<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  seek_offset_ = chunk_index_ * edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> }</div>
+<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  </div>
+<div class="line"><a name="l00410"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f"> 410</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f">AdjListArrowChunkReader::seek_chunk_index</a>(IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  IdType chunk_index) {</div>
+<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != vertex_chunk_index) {</div>
+<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  vertex_chunk_index_ = vertex_chunk_index;</div>
+<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
+<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> (chunk_index_ != chunk_index) {</div>
+<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  chunk_index_ = chunk_index;</div>
+<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  seek_offset_ = chunk_index * edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div>
+<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00423"></a><span class="lineno"> 423</span> }</div>
+<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  </div>
+<div class="line"><a name="l00425"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4"> 425</a></span> Result<IdType> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4">AdjListArrowChunkReader::GetRowNumOfChunk</a>() {</div>
+<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  edge_info_->GetAdjListFilePath(</div>
+<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  vertex_chunk_index_, chunk_index_, adj_list_type_));</div>
+<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  std::string path = prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
+<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  GAR_ASSIGN_OR_RAISE(chunk_table_, fs_->ReadFileToTable(path, file_type));</div>
+<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  }</div>
+<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">return</span> chunk_table_->num_rows();</div>
+<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> }</div>
+<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  </div>
+<div class="line"><a name="l00437"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69"> 437</a></span> Result<std::shared_ptr<AdjListArrowChunkReader>> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">AdjListArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keyword">const</span> std::string& prefix) {</div>
+<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
+<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
+<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div>
+<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">return</span> std::make_shared<AdjListArrowChunkReader>(edge_info, adj_list_type,</div>
+<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  prefix);</div>
+<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> }</div>
+<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  </div>
+<div class="line"><a name="l00449"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9a70b04a1022f4510880a0d9deeb7bd5"> 449</a></span> Result<std::shared_ptr<AdjListArrowChunkReader>> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">AdjListArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  AdjListType adj_list_type) {</div>
+<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div>
+<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
+<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> }</div>
+<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div>
+<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <a class="code" href="classgraphar_1_1_status.html">Status</a> AdjListArrowChunkReader::initOrUpdateEdgeChunkNum() {</div>
+<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  GAR_ASSIGN_OR_RAISE(chunk_num_,</div>
+<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> }</div>
+<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  </div>
+<div class="line"><a name="l00468"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10"> 468</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10">AdjListOffsetArrowChunkReader::AdjListOffsetArrowChunkReader</a>(</div>
+<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keyword">const</span> std::string& prefix)</div>
+<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  : edge_info_(std::move(edge_info)),</div>
+<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  chunk_index_(0),</div>
+<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  seek_id_(0),</div>
+<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  chunk_table_(nullptr) {</div>
+<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  std::string base_dir;</div>
+<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
+<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  GAR_ASSIGN_OR_RAISE_ERROR(<span class="keyword">auto</span> dir_path,</div>
+<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  edge_info->GetOffsetPathPrefix(adj_list_type));</div>
+<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  base_dir_ = prefix_ + dir_path;</div>
+<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">if</span> (adj_list_type == AdjListType::ordered_by_source ||</div>
+<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  adj_list_type == AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  vertex_chunk_num_,</div>
+<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
+<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  vertex_chunk_size_ = adj_list_type == AdjListType::ordered_by_source</div>
+<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  ? edge_info_->GetSrcChunkSize()</div>
+<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  : edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  std::string err_msg = <span class="stringliteral">"Invalid adj list type "</span> +</div>
+<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  std::string(AdjListTypeToString(adj_list_type)) +</div>
+<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="stringliteral">" to construct AdjListOffsetReader."</span>;</div>
+<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">throw</span> std::runtime_error(err_msg);</div>
+<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  }</div>
+<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> }</div>
+<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  </div>
+<div class="line"><a name="l00498"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7"> 498</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7">AdjListOffsetArrowChunkReader::seek</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  seek_id_ = id;</div>
+<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  IdType pre_chunk_index = chunk_index_;</div>
+<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  chunk_index_ = <span class="keywordtype">id</span> / vertex_chunk_size_;</div>
+<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
+<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div>
+<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">if</span> (chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"Internal vertex id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">"is out of range [0,"</span>,</div>
+<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  vertex_chunk_num_ * vertex_chunk_size_,</div>
+<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="stringliteral">"), of edge "</span>, edge_info_->GetEdgeLabel(),</div>
+<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="stringliteral">" of adj list type "</span>,</div>
+<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div>
+<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> }</div>
+<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
+<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> Result<std::shared_ptr<arrow::Array>></div>
+<div class="line"><a name="l00516"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b"> 516</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b">AdjListOffsetArrowChunkReader::GetChunk</a>() {</div>
+<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  edge_info_->GetAdjListOffsetFilePath(chunk_index_, adj_list_type_));</div>
+<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  std::string path = prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
+<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  GAR_ASSIGN_OR_RAISE(chunk_table_, fs_->ReadFileToTable(path, file_type));</div>
+<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  }</div>
+<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  IdType row_offset = seek_id_ - chunk_index_ * vertex_chunk_size_;</div>
+<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset)->column(0)->chunk(0);</div>
+<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> }</div>
+<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  </div>
+<div class="line"><a name="l00529"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae"> 529</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae">AdjListOffsetArrowChunkReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">if</span> (++chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"vertex chunk index "</span>, chunk_index_,</div>
+<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>,</div>
+<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  vertex_chunk_num_, <span class="stringliteral">" of edge "</span>,</div>
+<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" of adj list type "</span>,</div>
+<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
+<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  seek_id_ = chunk_index_ * vertex_chunk_size_;</div>
+<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  </div>
+<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> }</div>
+<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  </div>
+<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> Result<std::shared_ptr<AdjListOffsetArrowChunkReader>></div>
+<div class="line"><a name="l00544"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917"> 544</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">AdjListOffsetArrowChunkReader::Make</a>(<span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
+<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  AdjListType adj_list_type,</div>
+<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keyword">const</span> std::string& prefix) {</div>
+<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
+<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
+<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  }</div>
+<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">return</span> std::make_shared<AdjListOffsetArrowChunkReader>(edge_info,</div>
+<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  adj_list_type, prefix);</div>
+<div class="line"><a name="l00554"></a><span class="lineno"> 554</span> }</div>
+<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  </div>
+<div class="line"><a name="l00556"></a><span class="lineno"> 556</span> Result<std::shared_ptr<AdjListOffsetArrowChunkReader>></div>
+<div class="line"><a name="l00557"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a147b4c59a813f206a6b1400089b58dd2"> 557</a></span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">AdjListOffsetArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  AdjListType adj_list_type) {</div>
+<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  }</div>
+<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">Make</a>(edge_info, adj_list_type, graph_info->GetPrefix());</div>
+<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> }</div>
+<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  </div>
+<div class="line"><a name="l00569"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a"> 569</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a>(</div>
+<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
+<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string prefix,</div>
+<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options)</div>
+<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  : edge_info_(std::move(edge_info)),</div>
+<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  property_group_(std::move(property_group)),</div>
+<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  prefix_(prefix),</div>
+<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  vertex_chunk_index_(0),</div>
+<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  chunk_index_(0),</div>
+<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  seek_offset_(0),</div>
+<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  schema_(nullptr),</div>
+<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  chunk_table_(nullptr),</div>
+<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  filter_options_(options),</div>
+<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  chunk_num_(-1) <span class="comment">/* -1 means uninitialized */</span> {</div>
+<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
+<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keyword">auto</span> pg_path_prefix,</div>
+<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  edge_info->GetPropertyGroupPathPrefix(property_group, adj_list_type));</div>
+<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  base_dir_ = prefix_ + pg_path_prefix;</div>
+<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  GAR_ASSIGN_OR_RAISE_ERROR(</div>
+<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  vertex_chunk_num_,</div>
+<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  util::GetVertexChunkNum(prefix_, edge_info_, adj_list_type_));</div>
+<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  GAR_ASSIGN_OR_RAISE_ERROR(schema_,</div>
+<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  PropertyGroupToSchema(property_group, <span class="keyword">false</span>));</div>
+<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> }</div>
+<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  </div>
+<div class="line"><a name="l00597"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a66c409e218106ffce13da2095a4270c5"> 597</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a>(</div>
+<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <span class="keyword">const</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html">AdjListPropertyArrowChunkReader</a>& other)</div>
+<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  : edge_info_(other.edge_info_),</div>
+<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  property_group_(other.property_group_),</div>
+<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  adj_list_type_(other.adj_list_type_),</div>
+<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  prefix_(other.prefix_),</div>
+<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  vertex_chunk_index_(other.vertex_chunk_index_),</div>
+<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  chunk_index_(other.chunk_index_),</div>
+<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  seek_offset_(other.seek_offset_),</div>
+<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  schema_(other.schema_),</div>
+<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  chunk_table_(nullptr),</div>
+<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  filter_options_(other.filter_options_),</div>
+<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  vertex_chunk_num_(other.vertex_chunk_num_),</div>
+<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  chunk_num_(other.chunk_num_),</div>
+<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  base_dir_(other.base_dir_),</div>
+<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  fs_(other.fs_) {}</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  </div>
-<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
-<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00614"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63"> 614</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63">AdjListPropertyArrowChunkReader::seek_src</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_source &&</div>
+<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  adj_list_type_ != AdjListType::ordered_by_source) {</div>
+<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_src operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  }</div>
-<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  }</div>
-<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  </div>
-<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
-<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(0); <span class="comment">// start from first chunk</span></div>
-<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
-<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(range.first);</div>
-<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  }</div>
-<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> }</div>
-<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  </div>
-<div class="line"><a name="l00638"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618"> 638</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618">AdjListPropertyArrowChunkReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
-<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
-<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
-<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
-<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
-<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  }</div>
+<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  </div>
+<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="stringliteral">"The source internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  edge_info_->GetSrcChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  }</div>
+<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  }</div>
+<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  </div>
+<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_source) {</div>
+<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(0); <span class="comment">// start from first chunk</span></div>
+<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
+<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(range.first);</div>
+<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  }</div>
+<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> }</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  </div>
-<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
-<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00646"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618"> 646</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618">AdjListPropertyArrowChunkReader::seek_dst</a>(IdType <span class="keywordtype">id</span>) {</div>
+<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::unordered_by_dest &&</div>
+<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The seek_dst operation is invalid in edge "</span>,</div>
+<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader with "</span>,</div>
+<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">" type."</span>);</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  }</div>
-<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
-<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
-<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  }</div>
-<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  </div>
-<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
-<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
-<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
-<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
-<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
-<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(range.first);</div>
-<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  }</div>
-<div class="line"><a name="l00667"></a><span class="lineno"> 667</span> }</div>
-<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  </div>
-<div class="line"><a name="l00669"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995"> 669</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">AdjListPropertyArrowChunkReader::seek</a>(IdType offset) {</div>
-<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  IdType pre_chunk_index = chunk_index_;</div>
-<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  seek_offset_ = offset;</div>
-<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  chunk_index_ = offset / edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
-<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  }</div>
-<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
-<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="comment">// initialize chunk_num_</span></div>
-<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  }</div>
-<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, offset,</div>
-<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="stringliteral">" is out of range [0,"</span>,</div>
-<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
-<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="stringliteral">"), edge label: "</span>, edge_info_->GetEdgeLabel());</div>
-<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  }</div>
-<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> }</div>
-<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  </div>
-<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> Result<std::shared_ptr<arrow::Table>></div>
-<div class="line"><a name="l00690"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf"> 690</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf">AdjListPropertyArrowChunkReader::GetChunk</a>() {</div>
-<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  GAR_RETURN_NOT_OK(util::CheckFilterOptions(filter_options_, property_group_));</div>
-<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keyword">auto</span> chunk_file_path,</div>
-<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  edge_info_->GetPropertyFilePath(property_group_, adj_list_type_,</div>
-<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  vertex_chunk_index_, chunk_index_));</div>
-<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  std::string path = prefix_ + chunk_file_path;</div>
-<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  chunk_table_, fs_->ReadFileToTable(path, property_group_->GetFileType(),</div>
-<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  filter_options_));</div>
-<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="comment">// TODO(acezen): filter pushdown doesn't support cast schema now</span></div>
-<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keywordflow">if</span> (schema_ != <span class="keyword">nullptr</span> && filter_options_.filter == <span class="keyword">nullptr</span>) {</div>
-<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  CastTableWithSchema(chunk_table_, schema_, &chunk_table_));</div>
-<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  }</div>
-<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  }</div>
-<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  IdType row_offset = seek_offset_ - chunk_index_ * edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset);</div>
-<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> }</div>
-<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  </div>
-<div class="line"><a name="l00711"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073"> 711</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">AdjListPropertyArrowChunkReader::next_chunk</a>() {</div>
-<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  ++chunk_index_;</div>
-<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
-<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="comment">// initialize chunk_num_</span></div>
-<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  }</div>
-<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
-<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  ++vertex_chunk_index_;</div>
-<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
-<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
-<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>, vertex_chunk_num_,</div>
-<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="stringliteral">" of edge "</span>, edge_info_->GetEdgeLabel(), <span class="stringliteral">" of adj list type "</span>,</div>
-<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">", property group "</span>,</div>
-<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  property_group_, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  }</div>
-<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  chunk_index_ = 0;</div>
-<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  }</div>
-<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  seek_offset_ = chunk_index_ * edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00733"></a><span class="lineno"> 733</span> }</div>
-<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  </div>
-<div class="line"><a name="l00735"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b"> 735</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b">AdjListPropertyArrowChunkReader::seek_chunk_index</a>(</div>
-<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  IdType vertex_chunk_index, IdType chunk_index) {</div>
-<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != vertex_chunk_index) {</div>
-<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  vertex_chunk_index_ = vertex_chunk_index;</div>
-<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
-<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  }</div>
-<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  <span class="keywordflow">if</span> (chunk_index_ != chunk_index) {</div>
-<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  chunk_index_ = chunk_index;</div>
-<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  seek_offset_ = chunk_index * edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  chunk_table_.reset();</div>
-<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  }</div>
+<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  </div>
+<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  IdType new_vertex_chunk_index = <span class="keywordtype">id</span> / edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span> (new_vertex_chunk_index >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="stringliteral">"The destination internal id "</span>, <span class="keywordtype">id</span>, <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  edge_info_->GetDstChunkSize() * vertex_chunk_num_, <span class="stringliteral">") of edge "</span>,</div>
+<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" reader."</span>);</div>
+<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  }</div>
+<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != new_vertex_chunk_index) {</div>
+<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  vertex_chunk_index_ = new_vertex_chunk_index;</div>
+<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  }</div>
+<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  </div>
+<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::unordered_by_dest) {</div>
+<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(0); <span class="comment">// start from the first chunk</span></div>
+<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> range,</div>
+<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  util::GetAdjListOffsetOfVertex(edge_info_, prefix_,</div>
+<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  adj_list_type_, <span class="keywordtype">id</span>));</div>
+<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">seek</a>(range.first);</div>
+<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  }</div>
+<div class="line"><a name="l00675"></a><span class="lineno"> 675</span> }</div>
+<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  </div>
+<div class="line"><a name="l00677"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995"> 677</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">AdjListPropertyArrowChunkReader::seek</a>(IdType offset) {</div>
+<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  IdType pre_chunk_index = chunk_index_;</div>
+<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  seek_offset_ = offset;</div>
+<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  chunk_index_ = offset / edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keywordflow">if</span> (chunk_index_ != pre_chunk_index) {</div>
+<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  }</div>
+<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
+<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="comment">// initialize chunk_num_</span></div>
+<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  }</div>
+<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">if</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(<span class="stringliteral">"The edge offset "</span>, offset,</div>
+<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="stringliteral">" is out of range [0,"</span>,</div>
+<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  edge_info_->GetChunkSize() * chunk_num_,</div>
+<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="stringliteral">"), edge label: "</span>, edge_info_->GetEdgeLabel());</div>
+<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  }</div>
+<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00695"></a><span class="lineno"> 695</span> }</div>
+<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  </div>
+<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> Result<std::shared_ptr<arrow::Table>></div>
+<div class="line"><a name="l00698"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf"> 698</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf">AdjListPropertyArrowChunkReader::GetChunk</a>() {</div>
+<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  GAR_RETURN_NOT_OK(util::CheckFilterOptions(filter_options_, property_group_));</div>
+<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="keywordflow">if</span> (chunk_table_ == <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="comment">// check if the edge num of the current vertex chunk is 0</span></div>
+<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> edge_num,</div>
+<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  util::GetEdgeNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  <span class="keywordflow">if</span> (edge_num == 0) {</div>
+<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
+<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  }</div>
+<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keyword">auto</span> chunk_file_path,</div>
+<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  edge_info_->GetPropertyFilePath(property_group_, adj_list_type_,</div>
+<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  vertex_chunk_index_, chunk_index_));</div>
+<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  std::string path = prefix_ + chunk_file_path;</div>
+<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  chunk_table_, fs_->ReadFileToTable(path, property_group_->GetFileType(),</div>
+<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  filter_options_));</div>
+<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="comment">// TODO(acezen): filter pushdown doesn't support cast schema now</span></div>
+<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">if</span> (schema_ != <span class="keyword">nullptr</span> && filter_options_.filter == <span class="keyword">nullptr</span>) {</div>
+<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  CastTableWithSchema(chunk_table_, schema_, &chunk_table_));</div>
+<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  }</div>
+<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  }</div>
+<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  IdType row_offset = seek_offset_ - chunk_index_ * edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keywordflow">return</span> chunk_table_->Slice(row_offset);</div>
+<div class="line"><a name="l00724"></a><span class="lineno"> 724</span> }</div>
+<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  </div>
+<div class="line"><a name="l00726"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073"> 726</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">AdjListPropertyArrowChunkReader::next_chunk</a>() {</div>
+<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  ++chunk_index_;</div>
+<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="keywordflow">if</span> (chunk_num_ < 0) {</div>
+<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="comment">// initialize chunk_num_</span></div>
+<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  }</div>
+<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="keywordflow">while</span> (chunk_index_ >= chunk_num_) {</div>
+<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  ++vertex_chunk_index_;</div>
+<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keywordflow">if</span> (vertex_chunk_index_ >= vertex_chunk_num_) {</div>
+<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="stringliteral">"vertex chunk index "</span>, vertex_chunk_index_,</div>
+<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="stringliteral">" is out-of-bounds for vertex chunk num "</span>, vertex_chunk_num_,</div>
+<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="stringliteral">" of edge "</span>, edge_info_->GetEdgeLabel(), <span class="stringliteral">" of adj list type "</span>,</div>
+<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  AdjListTypeToString(adj_list_type_), <span class="stringliteral">", property group "</span>,</div>
+<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  property_group_, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  }</div>
+<div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  chunk_index_ = 0;</div>
+<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  }</div>
+<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  seek_offset_ = chunk_index_ * edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  chunk_table_.reset();</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span> }</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  </div>
-<div class="line"><a name="l00750"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a"> 750</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a">AdjListPropertyArrowChunkReader::Filter</a>(util::Filter filter) {</div>
-<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  filter_options_.filter = filter;</div>
-<div class="line"><a name="l00752"></a><span class="lineno"> 752</span> }</div>
-<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  </div>
-<div class="line"><a name="l00754"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96"> 754</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96">AdjListPropertyArrowChunkReader::Select</a>(util::ColumnNames column_names) {</div>
-<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  filter_options_.columns = column_names;</div>
-<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> }</div>
-<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  </div>
-<div class="line"><a name="l00758"></a><span class="lineno"> 758</span> Result<std::shared_ptr<AdjListPropertyArrowChunkReader>></div>
-<div class="line"><a name="l00759"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8"> 759</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">AdjListPropertyArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
-<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
-<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
-<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
-<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  }</div>
-<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="keywordflow">return</span> std::make_shared<AdjListPropertyArrowChunkReader>(</div>
-<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  edge_info, property_group, adj_list_type, prefix, options);</div>
+<div class="line"><a name="l00750"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b"> 750</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b">AdjListPropertyArrowChunkReader::seek_chunk_index</a>(</div>
+<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  IdType vertex_chunk_index, IdType chunk_index) {</div>
+<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <span class="keywordflow">if</span> (chunk_num_ < 0 || vertex_chunk_index_ != vertex_chunk_index) {</div>
+<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  vertex_chunk_index_ = vertex_chunk_index;</div>
+<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  GAR_RETURN_NOT_OK(initOrUpdateEdgeChunkNum());</div>
+<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  }</div>
+<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="keywordflow">if</span> (chunk_index_ != chunk_index) {</div>
+<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  chunk_index_ = chunk_index;</div>
+<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  seek_offset_ = chunk_index * edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  chunk_table_.reset();</div>
+<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  }</div>
+<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> }</div>
+<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  </div>
+<div class="line"><a name="l00765"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a"> 765</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a">AdjListPropertyArrowChunkReader::Filter</a>(util::Filter filter) {</div>
+<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  filter_options_.filter = filter;</div>
+<div class="line"><a name="l00767"></a><span class="lineno"> 767</span> }</div>
+<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  </div>
+<div class="line"><a name="l00769"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96"> 769</a></span> <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96">AdjListPropertyArrowChunkReader::Select</a>(util::ColumnNames column_names) {</div>
+<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  filter_options_.columns = column_names;</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> }</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  </div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> Result<std::shared_ptr<AdjListPropertyArrowChunkReader>></div>
-<div class="line"><a name="l00774"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ac53dc3b0640cd9ab0a174830496826af"> 774</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">AdjListPropertyArrowChunkReader::Make</a>(</div>
-<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  AdjListType adj_list_type, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
-<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00774"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8"> 774</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">AdjListPropertyArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
+<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  AdjListType adj_list_type, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
+<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
+<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
+<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  }</div>
-<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">Make</a>(edge_info, property_group, adj_list_type, graph_info->GetPrefix(),</div>
-<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  options);</div>
+<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keywordflow">return</span> std::make_shared<AdjListPropertyArrowChunkReader>(</div>
+<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  edge_info, property_group, adj_list_type, prefix, options);</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span> }</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  </div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span> Result<std::shared_ptr<AdjListPropertyArrowChunkReader>></div>
-<div class="line"><a name="l00789"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1416da315ecd17c1113ebef8f59c0e3f"> 789</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">AdjListPropertyArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00789"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ac53dc3b0640cd9ab0a174830496826af"> 789</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">AdjListPropertyArrowChunkReader::Make</a>(</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keyword">const</span> std::string& property_name, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
+<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  AdjListType adj_list_type, <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  }</div>
-<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="keyword">auto</span> property_group = edge_info->GetPropertyGroup(property_name);</div>
-<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="keywordflow">if</span> (!property_group) {</div>
-<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
-<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="stringliteral">" doesn't exist in edge "</span>, src_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  edge_label, <span class="stringliteral">" "</span>, dst_label, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  }</div>
-<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">Make</a>(edge_info, property_group, adj_list_type, graph_info->GetPrefix(),</div>
-<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  options);</div>
-<div class="line"><a name="l00807"></a><span class="lineno"> 807</span> }</div>
-<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  </div>
-<div class="line"><a name="l00809"></a><span class="lineno"> 809</span> <a class="code" href="classgraphar_1_1_status.html">Status</a> AdjListPropertyArrowChunkReader::initOrUpdateEdgeChunkNum() {</div>
-<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  GAR_ASSIGN_OR_RAISE(chunk_num_,</div>
-<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
-<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  vertex_chunk_index_));</div>
-<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00814"></a><span class="lineno"> 814</span> }</div>
-<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  </div>
-<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> } <span class="comment">// namespace graphar</span></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html">graphar::AdjListArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for adj list topology chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8h_source.html#l00158">arrow_chunk_reader.h:158</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a05ec017e937e1ac8367af0bf3b0533a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9">graphar::AdjListArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.ht [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a2be422d83a4be97a41a696473fc18911"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">graphar::AdjListArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.html#l00348" [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a91731fb764a5b3ca935e15e36300fe46"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">graphar::AdjListArrowChunkReader::AdjListArrowChunkReader</a></div><div class="ttdeci">AdjListArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjList [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a9e9d910308128f62918fef54fe1c95f4"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4">graphar::AdjListArrowChunkReader::GetRowNumOfChunk</a></div><div class="ttdeci">Result< IdType > GetRowNumOfChunk()</div><div class="ttdoc">Get the number of rows of the current chunk table.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8 [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_aa18bd4c0daba0b681702a4e79b688b1f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f">graphar::AdjListArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</div><div class="ttdef"><b>De [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ab318bfb7bd7ea5b7f44d82e4d3a7137a"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a">graphar::AdjListArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table.</div><div class="ttdef"><b>Definition:</ [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ac6d4d997d3a977175e875ab2f5efec69"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">graphar::AdjListArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div cl [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_adb0f718d24f3bb97a50af1a6e0d67e4f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f">graphar::AdjListArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.html#l00381">arrow_chunk [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_af9aed01c37c9b588bca7c16d3e744c0e"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e">graphar::AdjListArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_ [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a169a3a82e445ab41d3568cb846a565e7"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7">graphar::AdjListOffsetArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defini [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a21545e364f0e768e3f69289c69e1456b"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b">graphar::AdjListOffsetArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Array > > GetChunk()</div><div class="ttdoc">Get the current offset chunk as arrow::Array.</div><div class="ttdef"><b>Definition:</b> < [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a22b31574cd4c3e5539c47e84ec308f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10">graphar::AdjListOffsetArrowChunkReader::AdjListOffsetArrowChunkReader</a></div><div class="ttdeci">AdjListOffsetArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div clas [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a56bb31bf213c3047a310073ff51e7917"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">graphar::AdjListOffsetArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a9af41ec01bdf0fb689fa486001872cae"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae">graphar::AdjListOffsetArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk. if current chunk is the last chunk, will return Status::...</div><div class="ttdef"><b>D [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html">graphar::AdjListPropertyArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for edge property group chunks.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8h_source.html#l00355">arrow_chunk_reader.h:355</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a19f2edd414991f5ff030896cbf5cda63"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63">graphar::AdjListPropertyArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__c [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a1adc64854a6ee06781a559e6c1a87618"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618">graphar::AdjListPropertyArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arr [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a43f9942247308265666c351c5c19e52b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b">graphar::AdjListPropertyArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</di [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4862216d46268c147f909c5b61f86fe8"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">graphar::AdjListPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGr [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4a8d7cabf311ed3179710d319451f30a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">graphar::AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a></div><div class="ttdeci">AdjListPropertyArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_gro [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4e9c7d1a4f11f0f34ede14685fcc887a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a">graphar::AdjListPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef">< [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a5f7a1597be255fbb0843168e7a86bbbf"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf">graphar::AdjListPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table.</div><div clas [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_ab1d5cbd48b4c53040aff0671ecf4e073"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">graphar::AdjListPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_sourc [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_acb450e4cb7a085e85f2f61295a4b4995"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">graphar::AdjListPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__read [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_af44cd0428593d424c30c991b6cfeac96"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96">graphar::AdjListPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projec [...]
+<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">Make</a>(edge_info, property_group, adj_list_type, graph_info->GetPrefix(),</div>
+<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  options);</div>
+<div class="line"><a name="l00801"></a><span class="lineno"> 801</span> }</div>
+<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  </div>
+<div class="line"><a name="l00803"></a><span class="lineno"> 803</span> Result<std::shared_ptr<AdjListPropertyArrowChunkReader>></div>
+<div class="line"><a name="l00804"></a><span class="lineno"><a class="line" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1416da315ecd17c1113ebef8f59c0e3f"> 804</a></span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">AdjListPropertyArrowChunkReader::Make</a>(</div>
+<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  <span class="keyword">const</span> std::string& property_name, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <span class="keyword">const</span> <a class="code" href="structgraphar_1_1util_1_1_filter_options.html">util::FilterOptions</a>& options) {</div>
+<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  }</div>
+<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keyword">auto</span> property_group = edge_info->GetPropertyGroup(property_name);</div>
+<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  <span class="keywordflow">if</span> (!property_group) {</div>
+<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The property "</span>, property_name,</div>
+<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  <span class="stringliteral">" doesn't exist in edge "</span>, src_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  edge_label, <span class="stringliteral">" "</span>, dst_label, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  }</div>
+<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">Make</a>(edge_info, property_group, adj_list_type, graph_info->GetPrefix(),</div>
+<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  options);</div>
+<div class="line"><a name="l00822"></a><span class="lineno"> 822</span> }</div>
+<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  </div>
+<div class="line"><a name="l00824"></a><span class="lineno"> 824</span> <a class="code" href="classgraphar_1_1_status.html">Status</a> AdjListPropertyArrowChunkReader::initOrUpdateEdgeChunkNum() {</div>
+<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  GAR_ASSIGN_OR_RAISE(chunk_num_,</div>
+<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  util::GetEdgeChunkNum(prefix_, edge_info_, adj_list_type_,</div>
+<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  vertex_chunk_index_));</div>
+<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00829"></a><span class="lineno"> 829</span> }</div>
+<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  </div>
+<div class="line"><a name="l00831"></a><span class="lineno"> 831</span> } <span class="comment">// namespace graphar</span></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html">graphar::AdjListArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for adj list topology chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8h_source.html#l00158">chunk_reader.h:158</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a05ec017e937e1ac8367af0bf3b0533a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9">graphar::AdjListArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l002 [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a2be422d83a4be97a41a696473fc18911"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">graphar::AdjListArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l00349">chunk_ [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a91731fb764a5b3ca935e15e36300fe46"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">graphar::AdjListArrowChunkReader::AdjListArrowChunkReader</a></div><div class="ttdeci">AdjListArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjList [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a9e9d910308128f62918fef54fe1c95f4"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4">graphar::AdjListArrowChunkReader::GetRowNumOfChunk</a></div><div class="ttdeci">Result< IdType > GetRowNumOfChunk()</div><div class="ttdoc">Get the number of rows of the current chunk table.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_sour [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_aa18bd4c0daba0b681702a4e79b688b1f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f">graphar::AdjListArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</div><div class="ttdef"><b>De [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ab318bfb7bd7ea5b7f44d82e4d3a7137a"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a">graphar::AdjListArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table, if the chunk is empty,...</div><div clas [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ac6d4d997d3a977175e875ab2f5efec69"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">graphar::AdjListArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div cl [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_adb0f718d24f3bb97a50af1a6e0d67e4f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f">graphar::AdjListArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l00389">chunk_reader.cc:38 [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_af9aed01c37c9b588bca7c16d3e744c0e"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e">graphar::AdjListArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source. [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a169a3a82e445ab41d3568cb846a565e7"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7">graphar::AdjListOffsetArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defini [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a21545e364f0e768e3f69289c69e1456b"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b">graphar::AdjListOffsetArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Array > > GetChunk()</div><div class="ttdoc">Get the current offset chunk as arrow::Array.</div><div class="ttdef"><b>Definition:</b> < [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a22b31574cd4c3e5539c47e84ec308f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10">graphar::AdjListOffsetArrowChunkReader::AdjListOffsetArrowChunkReader</a></div><div class="ttdeci">AdjListOffsetArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div clas [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a56bb31bf213c3047a310073ff51e7917"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">graphar::AdjListOffsetArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a9af41ec01bdf0fb689fa486001872cae"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae">graphar::AdjListOffsetArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk. if current chunk is the last chunk, will return Status::...</div><div class="ttdef"><b>D [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html">graphar::AdjListPropertyArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for edge property group chunks.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8h_source.html#l00355">chunk_reader.h:355</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a19f2edd414991f5ff030896cbf5cda63"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63">graphar::AdjListPropertyArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__r [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a1adc64854a6ee06781a559e6c1a87618"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618">graphar::AdjListPropertyArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chu [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a43f9942247308265666c351c5c19e52b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b">graphar::AdjListPropertyArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</di [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4862216d46268c147f909c5b61f86fe8"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">graphar::AdjListPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGr [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4a8d7cabf311ed3179710d319451f30a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">graphar::AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a></div><div class="ttdeci">AdjListPropertyArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_gro [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4e9c7d1a4f11f0f34ede14685fcc887a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a">graphar::AdjListPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef">< [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a5f7a1597be255fbb0843168e7a86bbbf"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf">graphar::AdjListPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table, if the chunk i [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_ab1d5cbd48b4c53040aff0671ecf4e073"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">graphar::AdjListPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html# [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_acb450e4cb7a085e85f2f61295a4b4995"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">graphar::AdjListPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_ [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_af44cd0428593d424c30c991b6cfeac96"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96">graphar::AdjListPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projec [...]
<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a1f9b2120c7a6b3e66f9f2e31021df67f"><div class="ttname"><a href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">graphar::Status::IndexError</a></div><div class="ttdeci">static Status IndexError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00197">status.h:197</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a4ee4924ddadfc2c1effc055572084d71"><div class="ttname"><a href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">graphar::Status::KeyError</a></div><div class="ttdeci">static Status KeyError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00172">status.h:172</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a9ca4be37aae8dfea7e6ef54920e0073f"><div class="ttname"><a href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">graphar::Status::Invalid</a></div><div class="ttdeci">static Status Invalid(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00188">status.h:188</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_ad92f5c41a661d4f468390e39da90f881"><div class="ttname"><a href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">graphar::Status::OK</a></div><div class="ttdeci">static Status OK()</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00157">status.h:157</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a2ea3922fbf36ce3cf67d65a9f9b3f867"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867">graphar::VertexPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current arrow chunk table of chunk position indicator.</div><div class="ttdef" [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a44be6db94a28763a095ebc0e578a9916"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916">graphar::VertexPropertyArrowChunkReader::VertexPropertyArrowChunkReader</a></div><div class="ttdeci">VertexPropertyArrowChunkReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a4674036a7b3f43b71db0bab44c09bfbf"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf">graphar::VertexPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef"><b>Def [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a59f55d130f24a2b1db95426a35ec36ea"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea">graphar::VertexPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.htm [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a7222b8811219e285a51be607beaafaa0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0">graphar::VertexPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defin [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_abbd481e5ab71e536e878ec5aad9ff185"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185">graphar::VertexPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projection. [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_ad12a7b5e1fd0fd9e75b9819e3464e569"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">graphar::VertexPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyArrowChunkReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGrou [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a2ea3922fbf36ce3cf67d65a9f9b3f867"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867">graphar::VertexPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current arrow chunk table of chunk position indicator.</div><div class="ttdef" [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a44be6db94a28763a095ebc0e578a9916"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916">graphar::VertexPropertyArrowChunkReader::VertexPropertyArrowChunkReader</a></div><div class="ttdeci">VertexPropertyArrowChunkReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a4674036a7b3f43b71db0bab44c09bfbf"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf">graphar::VertexPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef"><b>Def [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a59f55d130f24a2b1db95426a35ec36ea"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea">graphar::VertexPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l0018 [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a7222b8811219e285a51be607beaafaa0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0">graphar::VertexPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defin [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_abbd481e5ab71e536e878ec5aad9ff185"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185">graphar::VertexPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projection. [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_ad12a7b5e1fd0fd9e75b9819e3464e569"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">graphar::VertexPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyArrowChunkReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGrou [...]
<div class="ttc" id="astructgraphar_1_1util_1_1_filter_options_html"><div class="ttname"><a href="structgraphar_1_1util_1_1_filter_options.html">graphar::util::FilterOptions</a></div><div class="ttdef"><b>Definition:</b> <a href="reader__util_8h_source.html#l00030">reader_util.h:30</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!--
diff --git a/docs/cpp/arrow__chunk__reader_8h_source.html b/docs/cpp/chunk__reader_8h_source.html
similarity index 92%
rename from docs/cpp/arrow__chunk__reader_8h_source.html
rename to docs/cpp/chunk__reader_8h_source.html
index 8a9711f..a6e4a38 100644
--- a/docs/cpp/arrow__chunk__reader_8h_source.html
+++ b/docs/cpp/chunk__reader_8h_source.html
@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: include/graphar/reader/arrow_chunk_reader.h Source File</title>
+<title>Apache GraphAr C++ Library: src/graphar/arrow/chunk_reader.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
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@@ -62,12 +62,12 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li><li class="navelem"><a class="el" href="dir_e1a06617a704fffac6e242a016b9589e.html">reader</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_8eab286ef154dc33b7755fb8706324e6.html">arrow</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">arrow_chunk_reader.h</div> </div>
+<div class="title">chunk_reader.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
@@ -97,7 +97,7 @@ $(function() {
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/fwd.h"</span></div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/util/reader_util.h"</span></div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/reader_util.h"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// forward declaration</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>arrow {</div>
@@ -303,44 +303,44 @@ $(function() {
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  std::shared_ptr<FileSystem> fs_;</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> };</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> } <span class="comment">// namespace graphar</span></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html">graphar::AdjListArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for adj list topology chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8h_source.html#l00158">arrow_chunk_reader.h:158</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a05ec017e937e1ac8367af0bf3b0533a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9">graphar::AdjListArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.ht [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a2be422d83a4be97a41a696473fc18911"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">graphar::AdjListArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.html#l00348" [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a91731fb764a5b3ca935e15e36300fe46"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">graphar::AdjListArrowChunkReader::AdjListArrowChunkReader</a></div><div class="ttdeci">AdjListArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjList [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a9e9d910308128f62918fef54fe1c95f4"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4">graphar::AdjListArrowChunkReader::GetRowNumOfChunk</a></div><div class="ttdeci">Result< IdType > GetRowNumOfChunk()</div><div class="ttdoc">Get the number of rows of the current chunk table.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8 [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_aa18bd4c0daba0b681702a4e79b688b1f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f">graphar::AdjListArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</div><div class="ttdef"><b>De [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ab318bfb7bd7ea5b7f44d82e4d3a7137a"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a">graphar::AdjListArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table.</div><div class="ttdef"><b>Definition:</ [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ac6d4d997d3a977175e875ab2f5efec69"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">graphar::AdjListArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div cl [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_adb0f718d24f3bb97a50af1a6e0d67e4f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f">graphar::AdjListArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.html#l00381">arrow_chunk [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_af9aed01c37c9b588bca7c16d3e744c0e"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e">graphar::AdjListArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_ [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html">graphar::AdjListOffsetArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for edge offset.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8h_source.html#l00271">arrow_chunk_reader.h:271</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a169a3a82e445ab41d3568cb846a565e7"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7">graphar::AdjListOffsetArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defini [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a21545e364f0e768e3f69289c69e1456b"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b">graphar::AdjListOffsetArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Array > > GetChunk()</div><div class="ttdoc">Get the current offset chunk as arrow::Array.</div><div class="ttdef"><b>Definition:</b> < [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a22b31574cd4c3e5539c47e84ec308f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10">graphar::AdjListOffsetArrowChunkReader::AdjListOffsetArrowChunkReader</a></div><div class="ttdeci">AdjListOffsetArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div clas [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a56bb31bf213c3047a310073ff51e7917"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">graphar::AdjListOffsetArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a9af41ec01bdf0fb689fa486001872cae"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae">graphar::AdjListOffsetArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk. if current chunk is the last chunk, will return Status::...</div><div class="ttdef"><b>D [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_aeb49faaf704a2c6bbbdeb249cfa1c281"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#aeb49faaf704a2c6bbbdeb249cfa1c281">graphar::AdjListOffsetArrowChunkReader::GetChunkIndex</a></div><div class="ttdeci">IdType GetChunkIndex() const noexcept</div><div class="ttdoc">Get current vertex chunk index.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8h_sour [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html">graphar::AdjListPropertyArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for edge property group chunks.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8h_source.html#l00355">arrow_chunk_reader.h:355</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a19f2edd414991f5ff030896cbf5cda63"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63">graphar::AdjListPropertyArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__c [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a1adc64854a6ee06781a559e6c1a87618"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618">graphar::AdjListPropertyArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="arr [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a43f9942247308265666c351c5c19e52b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b">graphar::AdjListPropertyArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</di [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4862216d46268c147f909c5b61f86fe8"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">graphar::AdjListPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGr [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4a8d7cabf311ed3179710d319451f30a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">graphar::AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a></div><div class="ttdeci">AdjListPropertyArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_gro [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4e9c7d1a4f11f0f34ede14685fcc887a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a">graphar::AdjListPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef">< [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a5f7a1597be255fbb0843168e7a86bbbf"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf">graphar::AdjListPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table.</div><div clas [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_ab1d5cbd48b4c53040aff0671ecf4e073"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">graphar::AdjListPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_sourc [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_acb450e4cb7a085e85f2f61295a4b4995"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">graphar::AdjListPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__read [...]
-<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_af44cd0428593d424c30c991b6cfeac96"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96">graphar::AdjListPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projec [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html">graphar::AdjListArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for adj list topology chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8h_source.html#l00158">chunk_reader.h:158</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a05ec017e937e1ac8367af0bf3b0533a9"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a05ec017e937e1ac8367af0bf3b0533a9">graphar::AdjListArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l002 [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a2be422d83a4be97a41a696473fc18911"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a2be422d83a4be97a41a696473fc18911">graphar::AdjListArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l00349">chunk_ [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a91731fb764a5b3ca935e15e36300fe46"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a91731fb764a5b3ca935e15e36300fe46">graphar::AdjListArrowChunkReader::AdjListArrowChunkReader</a></div><div class="ttdeci">AdjListArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div class="ttdoc">Initialize the AdjList [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_a9e9d910308128f62918fef54fe1c95f4"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4">graphar::AdjListArrowChunkReader::GetRowNumOfChunk</a></div><div class="ttdeci">Result< IdType > GetRowNumOfChunk()</div><div class="ttdoc">Get the number of rows of the current chunk table.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_sour [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_aa18bd4c0daba0b681702a4e79b688b1f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#aa18bd4c0daba0b681702a4e79b688b1f">graphar::AdjListArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</div><div class="ttdef"><b>De [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ab318bfb7bd7ea5b7f44d82e4d3a7137a"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a">graphar::AdjListArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table, if the chunk is empty,...</div><div clas [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_ac6d4d997d3a977175e875ab2f5efec69"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ac6d4d997d3a977175e875ab2f5efec69">graphar::AdjListArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div cl [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_adb0f718d24f3bb97a50af1a6e0d67e4f"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#adb0f718d24f3bb97a50af1a6e0d67e4f">graphar::AdjListArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l00389">chunk_reader.cc:38 [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_arrow_chunk_reader_html_af9aed01c37c9b588bca7c16d3e744c0e"><div class="ttname"><a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#af9aed01c37c9b588bca7c16d3e744c0e">graphar::AdjListArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source. [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html">graphar::AdjListOffsetArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for edge offset.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8h_source.html#l00271">chunk_reader.h:271</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a169a3a82e445ab41d3568cb846a565e7"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a169a3a82e445ab41d3568cb846a565e7">graphar::AdjListOffsetArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defini [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a21545e364f0e768e3f69289c69e1456b"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a21545e364f0e768e3f69289c69e1456b">graphar::AdjListOffsetArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Array > > GetChunk()</div><div class="ttdoc">Get the current offset chunk as arrow::Array.</div><div class="ttdef"><b>Definition:</b> < [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a22b31574cd4c3e5539c47e84ec308f10"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a22b31574cd4c3e5539c47e84ec308f10">graphar::AdjListOffsetArrowChunkReader::AdjListOffsetArrowChunkReader</a></div><div class="ttdeci">AdjListOffsetArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string &prefix)</div><div clas [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a56bb31bf213c3047a310073ff51e7917"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a56bb31bf213c3047a310073ff51e7917">graphar::AdjListOffsetArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListOffsetArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, AdjListType adj_list_type, const std::string [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_a9af41ec01bdf0fb689fa486001872cae"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#a9af41ec01bdf0fb689fa486001872cae">graphar::AdjListOffsetArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk. if current chunk is the last chunk, will return Status::...</div><div class="ttdef"><b>D [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_offset_arrow_chunk_reader_html_aeb49faaf704a2c6bbbdeb249cfa1c281"><div class="ttname"><a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#aeb49faaf704a2c6bbbdeb249cfa1c281">graphar::AdjListOffsetArrowChunkReader::GetChunkIndex</a></div><div class="ttdeci">IdType GetChunkIndex() const noexcept</div><div class="ttdoc">Get current vertex chunk index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8h_source.html [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html">graphar::AdjListPropertyArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for edge property group chunks.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8h_source.html#l00355">chunk_reader.h:355</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a19f2edd414991f5ff030896cbf5cda63"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a19f2edd414991f5ff030896cbf5cda63">graphar::AdjListPropertyArrowChunkReader::seek_src</a></div><div class="ttdeci">Status seek_src(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by source vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__r [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a1adc64854a6ee06781a559e6c1a87618"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a1adc64854a6ee06781a559e6c1a87618">graphar::AdjListPropertyArrowChunkReader::seek_dst</a></div><div class="ttdeci">Status seek_dst(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by destination vertex id.</div><div class="ttdef"><b>Definition:</b> <a href="chu [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a43f9942247308265666c351c5c19e52b"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a43f9942247308265666c351c5c19e52b">graphar::AdjListPropertyArrowChunkReader::seek_chunk_index</a></div><div class="ttdeci">Status seek_chunk_index(IdType vertex_chunk_index, IdType chunk_index=0)</div><div class="ttdoc">Sets chunk position to the specific vertex chunk and edge chunk.</di [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4862216d46268c147f909c5b61f86fe8"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4862216d46268c147f909c5b61f86fe8">graphar::AdjListPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< AdjListPropertyArrowChunkReader > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGr [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4a8d7cabf311ed3179710d319451f30a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4a8d7cabf311ed3179710d319451f30a">graphar::AdjListPropertyArrowChunkReader::AdjListPropertyArrowChunkReader</a></div><div class="ttdeci">AdjListPropertyArrowChunkReader(const std::shared_ptr< EdgeInfo > &edge_info, const std::shared_ptr< PropertyGroup > &property_gro [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a4e9c7d1a4f11f0f34ede14685fcc887a"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a4e9c7d1a4f11f0f34ede14685fcc887a">graphar::AdjListPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef">< [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_a5f7a1597be255fbb0843168e7a86bbbf"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf">graphar::AdjListPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current chunk of chunk position indicator as arrow::Table, if the chunk i [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_ab1d5cbd48b4c53040aff0671ecf4e073"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">graphar::AdjListPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html# [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_acb450e4cb7a085e85f2f61295a4b4995"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#acb450e4cb7a085e85f2f61295a4b4995">graphar::AdjListPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType offset)</div><div class="ttdoc">Sets chunk position indicator for reader by edge index.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_ [...]
+<div class="ttc" id="aclassgraphar_1_1_adj_list_property_arrow_chunk_reader_html_af44cd0428593d424c30c991b6cfeac96"><div class="ttname"><a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#af44cd0428593d424c30c991b6cfeac96">graphar::AdjListPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projec [...]
<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html">graphar::VertexPropertyArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for vertex property group.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8h_source.html#l00042">arrow_chunk_reader.h:42</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a0c5216e43657187c39821b1bc8c692a0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a0c5216e43657187c39821b1bc8c692a0">graphar::VertexPropertyArrowChunkReader::GetChunkNum</a></div><div class="ttdeci">IdType GetChunkNum() const noexcept</div><div class="ttdoc">Get the chunk number of current vertex property group.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__c [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a2ea3922fbf36ce3cf67d65a9f9b3f867"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867">graphar::VertexPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current arrow chunk table of chunk position indicator.</div><div class="ttdef" [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a44be6db94a28763a095ebc0e578a9916"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916">graphar::VertexPropertyArrowChunkReader::VertexPropertyArrowChunkReader</a></div><div class="ttdeci">VertexPropertyArrowChunkReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a4674036a7b3f43b71db0bab44c09bfbf"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf">graphar::VertexPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef"><b>Def [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a59f55d130f24a2b1db95426a35ec36ea"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea">graphar::VertexPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__reader_8cc_source.htm [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a7222b8811219e285a51be607beaafaa0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0">graphar::VertexPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defin [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_abbd481e5ab71e536e878ec5aad9ff185"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185">graphar::VertexPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projection. [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_ad12a7b5e1fd0fd9e75b9819e3464e569"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">graphar::VertexPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyArrowChunkReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGrou [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html">graphar::VertexPropertyArrowChunkReader</a></div><div class="ttdoc">The arrow chunk reader for vertex property group.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8h_source.html#l00042">chunk_reader.h:42</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a0c5216e43657187c39821b1bc8c692a0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a0c5216e43657187c39821b1bc8c692a0">graphar::VertexPropertyArrowChunkReader::GetChunkNum</a></div><div class="ttdeci">IdType GetChunkNum() const noexcept</div><div class="ttdoc">Get the chunk number of current vertex property group.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__r [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a2ea3922fbf36ce3cf67d65a9f9b3f867"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a2ea3922fbf36ce3cf67d65a9f9b3f867">graphar::VertexPropertyArrowChunkReader::GetChunk</a></div><div class="ttdeci">Result< std::shared_ptr< arrow::Table > > GetChunk()</div><div class="ttdoc">Return the current arrow chunk table of chunk position indicator.</div><div class="ttdef" [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a44be6db94a28763a095ebc0e578a9916"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a44be6db94a28763a095ebc0e578a9916">graphar::VertexPropertyArrowChunkReader::VertexPropertyArrowChunkReader</a></div><div class="ttdeci">VertexPropertyArrowChunkReader(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGroup > &property_group, [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a4674036a7b3f43b71db0bab44c09bfbf"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a4674036a7b3f43b71db0bab44c09bfbf">graphar::VertexPropertyArrowChunkReader::Filter</a></div><div class="ttdeci">void Filter(util::Filter filter=nullptr)</div><div class="ttdoc">Apply the row filter to the table. No parameter call Filter() will clear the filter.</div><div class="ttdef"><b>Def [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a59f55d130f24a2b1db95426a35ec36ea"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a59f55d130f24a2b1db95426a35ec36ea">graphar::VertexPropertyArrowChunkReader::next_chunk</a></div><div class="ttdeci">Status next_chunk()</div><div class="ttdoc">Sets chunk position indicator to next chunk.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__reader_8cc_source.html#l0018 [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_a7222b8811219e285a51be607beaafaa0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#a7222b8811219e285a51be607beaafaa0">graphar::VertexPropertyArrowChunkReader::seek</a></div><div class="ttdeci">Status seek(IdType id)</div><div class="ttdoc">Sets chunk position indicator for reader by internal vertex id. If internal vertex id is not found,...</div><div class="ttdef"><b>Defin [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_abbd481e5ab71e536e878ec5aad9ff185"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#abbd481e5ab71e536e878ec5aad9ff185">graphar::VertexPropertyArrowChunkReader::Select</a></div><div class="ttdeci">void Select(util::ColumnNames column_names=std::nullopt)</div><div class="ttdoc">Apply the projection to the table to be read. No parameter call Select() will clear the projection. [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_arrow_chunk_reader_html_ad12a7b5e1fd0fd9e75b9819e3464e569"><div class="ttname"><a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#ad12a7b5e1fd0fd9e75b9819e3464e569">graphar::VertexPropertyArrowChunkReader::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyArrowChunkReader > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::shared_ptr< PropertyGrou [...]
<div class="ttc" id="astructgraphar_1_1util_1_1_filter_options_html"><div class="ttname"><a href="structgraphar_1_1util_1_1_filter_options.html">graphar::util::FilterOptions</a></div><div class="ttdef"><b>Definition:</b> <a href="reader__util_8h_source.html#l00030">reader_util.h:30</a></div></div>
</div><!-- fragment --></div><!-- contents -->
<!--
diff --git a/docs/cpp/arrow__chunk__writer_8cc_source.html b/docs/cpp/chunk__writer_8cc_source.html
similarity index 72%
rename from docs/cpp/arrow__chunk__writer_8cc_source.html
rename to docs/cpp/chunk__writer_8cc_source.html
index a6afb0e..89becfb 100644
--- a/docs/cpp/arrow__chunk__writer_8cc_source.html
+++ b/docs/cpp/chunk__writer_8cc_source.html
@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: src/arrow_chunk_writer.cc Source File</title>
+<title>Apache GraphAr C++ Library: src/graphar/arrow/chunk_writer.cc Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
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@@ -62,12 +62,12 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_8eab286ef154dc33b7755fb8706324e6.html">arrow</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">arrow_chunk_writer.cc</div> </div>
+<div class="title">chunk_writer.cc</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
@@ -90,29 +90,29 @@ $(function() {
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <iostream></span></div>
-<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  </div>
-<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "arrow/api.h"</span></div>
-<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "arrow/compute/api.h"</span></div>
-<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#if defined(ARROW_VERSION) && ARROW_VERSION >= 12000000</span></div>
-<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "arrow/acero/exec_plan.h"</span></div>
-<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#else</span></div>
-<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "arrow/compute/exec/exec_plan.h"</span></div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#endif</span></div>
-<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "arrow/dataset/dataset.h"</span></div>
-<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "arrow/dataset/file_base.h"</span></div>
-<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "arrow/dataset/file_parquet.h"</span></div>
-<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "arrow/dataset/plan.h"</span></div>
-<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "arrow/dataset/scanner.h"</span></div>
-<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
-<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
-<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "graphar/util/adj_list_type.h"</span></div>
-<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "graphar/util/data_type.h"</span></div>
-<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "graphar/util/filesystem.h"</span></div>
-<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "graphar/util/general_params.h"</span></div>
-<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "graphar/util/result.h"</span></div>
-<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "graphar/util/status.h"</span></div>
-<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "graphar/util/util.h"</span></div>
-<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "graphar/writer/arrow_chunk_writer.h"</span></div>
+<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <utility></span></div>
+<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div>
+<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "arrow/api.h"</span></div>
+<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "arrow/compute/api.h"</span></div>
+<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#if defined(ARROW_VERSION) && ARROW_VERSION >= 12000000</span></div>
+<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "arrow/acero/exec_plan.h"</span></div>
+<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#else</span></div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "arrow/compute/exec/exec_plan.h"</span></div>
+<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#endif</span></div>
+<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "arrow/dataset/dataset.h"</span></div>
+<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "arrow/dataset/file_base.h"</span></div>
+<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "arrow/dataset/file_parquet.h"</span></div>
+<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "arrow/dataset/plan.h"</span></div>
+<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "arrow/dataset/scanner.h"</span></div>
+<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
+<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "graphar/arrow/chunk_writer.h"</span></div>
+<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "graphar/filesystem.h"</span></div>
+<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "graphar/general_params.h"</span></div>
+<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "graphar/graph_info.h"</span></div>
+<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "graphar/result.h"</span></div>
+<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "graphar/status.h"</span></div>
+<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "graphar/types.h"</span></div>
+<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include "graphar/util.h"</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">namespace </span>graphar {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// common methods</span></div>
@@ -270,790 +270,743 @@ $(function() {
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> fs_->WriteValueToFile<IdType>(count, path);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div>
-<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2"> 209</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">VertexPropertyWriter::WriteChunk</a>(</div>
-<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> std::string& file_name,</div>
+<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5"> 209</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">VertexPropertyWriter::WriteChunk</a>(</div>
+<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  GAR_RETURN_NOT_OK(validate(property_group, chunk_index, validate_level));</div>
-<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix,</div>
-<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  vertex_info_->GetFilePath(property_group, chunk_index));</div>
-<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
-<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> }</div>
-<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  </div>
-<div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5"> 220</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">VertexPropertyWriter::WriteChunk</a>(</div>
-<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
-<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  validate(input_table, property_group, chunk_index, validate_level));</div>
-<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keyword">auto</span> file_type = property_group->GetFileType();</div>
-<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(GeneralParams::kVertexIndexCol);</div>
-<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
-<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The internal id Column named "</span>,</div>
-<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  GeneralParams::kVertexIndexCol,</div>
-<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
-<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
-<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
-<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  std::vector<int> indices({indice});</div>
-<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property : property_group->GetProperties()) {</div>
-<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(property.name);</div>
-<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
-<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"Column named "</span>, property.name,</div>
-<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="stringliteral">" of property group "</span>, property_group,</div>
-<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="stringliteral">" of vertex "</span>, vertex_info_->GetLabel(),</div>
-<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
-<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div>
-<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  indices.push_back(indice);</div>
-<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div>
-<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(<span class="keyword">auto</span> in_table,</div>
-<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  input_table->SelectColumns(indices));</div>
-<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix,</div>
-<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  vertex_info_->GetFilePath(property_group, chunk_index));</div>
-<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
+<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  validate(input_table, property_group, chunk_index, validate_level));</div>
+<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">auto</span> file_type = property_group->GetFileType();</div>
+<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(GeneralParams::kVertexIndexCol);</div>
+<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
+<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The internal id Column named "</span>,</div>
+<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  GeneralParams::kVertexIndexCol,</div>
+<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
+<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div>
+<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div>
+<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  std::vector<int> indices({indice});</div>
+<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property : property_group->GetProperties()) {</div>
+<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(property.name);</div>
+<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
+<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"Column named "</span>, property.name,</div>
+<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="stringliteral">" of property group "</span>, property_group,</div>
+<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="stringliteral">" of vertex "</span>, vertex_info_->GetLabel(),</div>
+<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
+<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div>
+<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  indices.push_back(indice);</div>
+<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div>
+<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(<span class="keyword">auto</span> in_table,</div>
+<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  input_table->SelectColumns(indices));</div>
+<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix,</div>
+<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  vertex_info_->GetFilePath(property_group, chunk_index));</div>
+<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
+<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> }</div>
+<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
+<div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#a51de0fd2b7444c6a25ae36389b74bfd3"> 243</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">VertexPropertyWriter::WriteChunk</a>(</div>
+<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType chunk_index,</div>
+<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">auto</span> property_groups = vertex_info_->GetPropertyGroups();</div>
+<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property_group : property_groups) {</div>
+<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">WriteChunk</a>(input_table, property_group, chunk_index, validate_level));</div>
+<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
+<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> }</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  </div>
-<div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#a51de0fd2b7444c6a25ae36389b74bfd3"> 254</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">VertexPropertyWriter::WriteChunk</a>(</div>
-<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType chunk_index,</div>
-<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">auto</span> property_groups = vertex_info_->GetPropertyGroups();</div>
-<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property_group : property_groups) {</div>
-<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">WriteChunk</a>(input_table, property_group, chunk_index, validate_level));</div>
-<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  }</div>
-<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> }</div>
-<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
-<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47"> 265</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">VertexPropertyWriter::WriteTable</a>(</div>
-<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(GeneralParams::kVertexIndexCol);</div>
-<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">auto</span> table_with_index = input_table;</div>
-<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
-<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// add index column</span></div>
-<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  GAR_ASSIGN_OR_RAISE(table_with_index,</div>
-<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  addIndexColumn(input_table, start_chunk_index,</div>
-<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  vertex_info_->GetChunkSize()));</div>
-<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  }</div>
-<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  IdType chunk_size = vertex_info_->GetChunkSize();</div>
-<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  int64_t length = table_with_index->num_rows();</div>
-<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  IdType chunk_index = start_chunk_index;</div>
-<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
-<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  offset += chunk_size, chunk_index++) {</div>
-<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keyword">auto</span> in_chunk = table_with_index->Slice(offset, chunk_size);</div>
-<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">WriteChunk</a>(in_chunk, property_group, chunk_index, validate_level));</div>
-<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div>
-<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> }</div>
-<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  </div>
-<div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#aaa3107eb66941ceeb782280e3038ee4f"> 290</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">VertexPropertyWriter::WriteTable</a>(</div>
-<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType start_chunk_index,</div>
-<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">auto</span> property_groups = vertex_info_->GetPropertyGroups();</div>
-<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> table_with_index,</div>
-<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  addIndexColumn(input_table, start_chunk_index,</div>
-<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  vertex_info_->GetChunkSize()));</div>
-<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property_group : property_groups) {</div>
-<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(table_with_index, property_group,</div>
-<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  start_chunk_index, validate_level));</div>
-<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
-<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> }</div>
-<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  </div>
-<div class="line"><a name="l00304"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b"> 304</a></span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">VertexPropertyWriter::Make</a>(</div>
-<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info, <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
-<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> std::make_shared<VertexPropertyWriter>(vertex_info, prefix,</div>
-<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  validate_level);</div>
-<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> }</div>
-<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  </div>
-<div class="line"><a name="l00311"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#abd49d4667c8ae05fb1eef8144189a326"> 311</a></span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">VertexPropertyWriter::Make</a>(</div>
-<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
-<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
-<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
-<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
-<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex "</span>, label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
-<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">Make</a>(vertex_info, graph_info->GetPrefix(), validate_level);</div>
-<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> }</div>
-<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
-<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> Result<std::shared_ptr<arrow::Table>> VertexPropertyWriter::addIndexColumn(</div>
-<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& table, IdType chunk_index,</div>
-<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  IdType chunk_size)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  arrow::Int64Builder array_builder;</div>
-<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  RETURN_NOT_ARROW_OK(array_builder.Reserve(chunk_size));</div>
-<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  int64_t length = table->num_rows();</div>
-<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">for</span> (IdType i = 0; i < length; i++) {</div>
-<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  RETURN_NOT_ARROW_OK(array_builder.Append(chunk_index * chunk_size + i));</div>
-<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
-<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  std::shared_ptr<arrow::Array> array;</div>
-<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  RETURN_NOT_ARROW_OK(array_builder.Finish(&array));</div>
-<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  std::shared_ptr<arrow::ChunkedArray> chunked_array =</div>
-<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  std::make_shared<arrow::ChunkedArray>(array);</div>
-<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(</div>
-<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keyword">auto</span> ret, table->AddColumn(0,</div>
-<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  arrow::field(GeneralParams::kVertexIndexCol,</div>
-<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  arrow::int64(), <span class="keyword">false</span>),</div>
-<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  chunked_array));</div>
-<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span> ret;</div>
-<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> }</div>
-<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  </div>
-<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment">// implementations for EdgeChunkWriter</span></div>
-<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
-<div class="line"><a name="l00344"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe"> 344</a></span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">EdgeChunkWriter::EdgeChunkWriter</a>(<span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
-<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  AdjListType adj_list_type,</div>
-<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keyword">const</span> ValidateLevel& validate_level)</div>
-<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  : edge_info_(edge_info),</div>
-<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  adj_list_type_(adj_list_type),</div>
-<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  validate_level_(validate_level) {</div>
-<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (validate_level_ == ValidateLevel::default_validate) {</div>
-<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">throw</span> std::runtime_error(</div>
-<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="stringliteral">"default_validate is not allowed to be set as the global validate "</span></div>
-<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="stringliteral">"level for EdgeChunkWriter"</span>);</div>
-<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  }</div>
-<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
-<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  chunk_size_ = edge_info_->GetChunkSize();</div>
-<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">switch</span> (adj_list_type) {</div>
-<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_source:</div>
-<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
-<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">break</span>;</div>
-<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_source:</div>
-<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
-<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">break</span>;</div>
-<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_dest:</div>
-<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  vertex_chunk_size_ = edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">break</span>;</div>
-<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_dest:</div>
-<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  vertex_chunk_size_ = edge_info_->GetDstChunkSize();</div>
-<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordflow">break</span>;</div>
-<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">default</span>:</div>
-<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
-<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
-<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> }</div>
-<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment">// Check if the operation of writing number or copying a file is allowed.</span></div>
-<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <a class="code" href="classgraphar_1_1_status.html">Status</a> EdgeChunkWriter::validate(IdType count_or_index1, IdType count_or_index2,</div>
-<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// use the writer's validate level</span></div>
-<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
-<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  validate_level = validate_level_;</div>
-<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="comment">// no validate</span></div>
-<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
-<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="comment">// weak & strong validate for adj list type</span></div>
-<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">if</span> (!edge_info_->HasAdjacentListType(adj_list_type_)) {</div>
-<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
-<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="stringliteral">"Adj list type "</span>, AdjListTypeToString(adj_list_type_),</div>
-<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="stringliteral">" does not exist in the "</span>, edge_info_->GetEdgeLabel(), <span class="stringliteral">" edge info."</span>);</div>
-<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
-<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">// weak & strong validate for count or index</span></div>
-<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">if</span> (count_or_index1 < 0 || count_or_index2 < 0) {</div>
-<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
-<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="stringliteral">"The count or index must be non-negative, but got "</span>, count_or_index1,</div>
-<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="stringliteral">" and "</span>, count_or_index2, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  }</div>
-<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> }</div>
-<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  </div>
-<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="comment">// Check if the operation of copying a file as a property chunk is allowed.</span></div>
-<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> Status EdgeChunkWriter::validate(</div>
-<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="comment">// use the writer's validate level</span></div>
-<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
-<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  validate_level = validate_level_;</div>
-<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="comment">// no validate</span></div>
-<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
-<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="comment">// validate for adj list type & index</span></div>
-<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, chunk_index, validate_level));</div>
-<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="comment">// weak & strong validate for property group</span></div>
-<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">if</span> (!edge_info_->HasPropertyGroup(property_group)) {</div>
-<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"Property group"</span>, <span class="stringliteral">" does not exist in the "</span>,</div>
-<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" edge info."</span>);</div>
-<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
-<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> }</div>
-<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  </div>
-<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment">// Check if the operation of writing a table as an offset chunk is allowed.</span></div>
-<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> Status EdgeChunkWriter::validate(</div>
-<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">// use the writer's validate level</span></div>
-<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
-<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  validate_level = validate_level_;</div>
-<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="comment">// no validate</span></div>
-<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
-<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="comment">// validate for adj list type & index</span></div>
-<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, 0, validate_level));</div>
-<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="comment">// weak validate for the input table</span></div>
-<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::ordered_by_source &&</div>
-<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="stringliteral">"The adj list type has to be ordered_by_source or ordered_by_dest, but "</span></div>
-<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="stringliteral">"got "</span> +</div>
-<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  std::string(AdjListTypeToString(adj_list_type_)));</div>
-<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
-<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_source &&</div>
-<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  input_table->num_rows() > edge_info_->GetSrcChunkSize() + 1) {</div>
-<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="stringliteral">"The number of rows of input offset table is "</span>, input_table->num_rows(),</div>
-<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="stringliteral">" which is larger than the offset size of source vertex chunk "</span>,</div>
-<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  edge_info_->GetSrcChunkSize() + 1, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div>
-<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_dest &&</div>
-<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  input_table->num_rows() > edge_info_->GetDstChunkSize() + 1) {</div>
-<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="stringliteral">"The number of rows of input offset table is "</span>, input_table->num_rows(),</div>
-<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="stringliteral">" which is larger than the offset size of destination vertex chunk "</span>,</div>
-<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  edge_info_->GetSrcChunkSize() + 1, <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div>
-<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="comment">// strong validate for the input_table</span></div>
-<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::strong_validate) {</div>
-<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="comment">// validate the input table</span></div>
-<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  RETURN_NOT_ARROW_OK(input_table->Validate());</div>
-<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="comment">// validate the schema</span></div>
-<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kOffsetCol);</div>
-<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">if</span> (index == -1) {</div>
-<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The offset column "</span>, GeneralParams::kOffsetCol,</div>
-<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
-<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div>
-<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">auto</span> field = schema->field(index);</div>
-<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">if</span> (field->type()->id() != arrow::Type::INT64) {</div>
-<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
-<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="stringliteral">"The data type for offset column should be INT64, but got "</span>,</div>
-<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  field->type()->name());</div>
-<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  }</div>
-<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  }</div>
-<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> }</div>
-<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  </div>
-<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment">// Check if the operation of writing a table as an adj list chunk is allowed.</span></div>
-<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> Status EdgeChunkWriter::validate(</div>
-<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="comment">// use the writer's validate level</span></div>
-<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
-<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  validate_level = validate_level_;</div>
-<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="comment">// no validate</span></div>
-<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
-<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="comment">// validate for adj list type & index</span></div>
-<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, chunk_index, validate_level));</div>
-<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="comment">// weak validate for the input table</span></div>
-<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">if</span> (input_table->num_rows() > edge_info_->GetChunkSize()) {</div>
-<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="stringliteral">"The number of rows of input table is "</span>, input_table->num_rows(),</div>
-<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="stringliteral">" which is larger than the "</span>, edge_info_->GetEdgeLabel(),</div>
-<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="stringliteral">" edge chunk size "</span>, edge_info_->GetChunkSize(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  }</div>
-<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="comment">// strong validate for the input table</span></div>
-<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::strong_validate) {</div>
-<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kSrcIndexCol);</div>
-<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="keywordflow">if</span> (index == -1) {</div>
-<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The source index column "</span>,</div>
-<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  GeneralParams::kSrcIndexCol,</div>
-<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
-<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  }</div>
-<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keyword">auto</span> field = schema->field(index);</div>
-<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="keywordflow">if</span> (field->type()->id() != arrow::Type::INT64) {</div>
-<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
-<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="stringliteral">"The data type for source index column should be INT64, but got "</span>,</div>
-<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  field->type()->name());</div>
-<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  }</div>
-<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  index = schema->GetFieldIndex(GeneralParams::kDstIndexCol);</div>
-<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="keywordflow">if</span> (index == -1) {</div>
-<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The destination index column "</span>,</div>
-<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  GeneralParams::kDstIndexCol,</div>
-<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
-<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  }</div>
-<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  field = schema->field(index);</div>
-<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">if</span> (field->type()->id() != arrow::Type::INT64) {</div>
-<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
-<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="stringliteral">"The data type for destination index column should be INT64, but "</span></div>
-<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="stringliteral">"got "</span>,</div>
-<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  field->type()->name());</div>
-<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  }</div>
-<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  }</div>
-<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> }</div>
-<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  </div>
-<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment">// Check if the operation of writing a table as a property chunk is allowed.</span></div>
-<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> Status EdgeChunkWriter::validate(</div>
-<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="comment">// use the writer's validate level</span></div>
-<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
-<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  validate_level = validate_level_;</div>
-<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="comment">// no validate</span></div>
-<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
-<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="comment">// validate for property group, adj list type & index</span></div>
-<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  GAR_RETURN_NOT_OK(validate(property_group, vertex_chunk_index, chunk_index,</div>
-<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  validate_level));</div>
-<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="comment">// weak validate for the input table</span></div>
-<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">if</span> (input_table->num_rows() > edge_info_->GetChunkSize()) {</div>
-<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
-<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="stringliteral">"The number of rows of input table is "</span>, input_table->num_rows(),</div>
-<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="stringliteral">" which is larger than the "</span>, edge_info_->GetEdgeLabel(),</div>
-<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="stringliteral">" edge chunk size "</span>, edge_info_->GetChunkSize(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  }</div>
-<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="comment">// strong validate for the input table</span></div>
-<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::strong_validate) {</div>
-<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="comment">// validate the input table</span></div>
-<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  RETURN_NOT_ARROW_OK(input_table->Validate());</div>
-<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="comment">// validate the schema</span></div>
-<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property : property_group->GetProperties()) {</div>
-<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(property.name);</div>
-<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
-<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"Column named "</span>, property.name,</div>
-<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="stringliteral">" of property group "</span>, property_group,</div>
-<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
-<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  }</div>
-<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keyword">auto</span> field = schema->field(indice);</div>
-<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (DataType::ArrowDataTypeToDataType(field->type()) != property.type) {</div>
-<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
-<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="stringliteral">"The data type of property: "</span>, property.name, <span class="stringliteral">" is "</span>,</div>
-<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  property.type->ToTypeName(), <span class="stringliteral">", but got "</span>,</div>
-<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  DataType::ArrowDataTypeToDataType(field->type())->ToTypeName(),</div>
-<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
-<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div>
-<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
-<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> }</div>
-<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  </div>
-<div class="line"><a name="l00574"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1"> 574</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">EdgeChunkWriter::WriteEdgesNum</a>(IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keyword">const</span> IdType& count,</div>
-<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, count, validate_level));</div>
-<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetEdgesNumFilePath(</div>
-<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  vertex_chunk_index, adj_list_type_));</div>
-<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">return</span> fs_->WriteValueToFile<IdType>(count, path);</div>
-<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> }</div>
-<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  </div>
-<div class="line"><a name="l00584"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f"> 584</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">EdgeChunkWriter::WriteVerticesNum</a>(<span class="keyword">const</span> IdType& count,</div>
-<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  GAR_RETURN_NOT_OK(validate(0, count, validate_level));</div>
-<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix,</div>
-<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  edge_info_->GetVerticesNumFilePath(adj_list_type_));</div>
-<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">return</span> fs_->WriteValueToFile<IdType>(count, path);</div>
-<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> }</div>
-<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  </div>
-<div class="line"><a name="l00593"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c"> 593</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">EdgeChunkWriter::WriteOffsetChunk</a>(<span class="keyword">const</span> std::string& file_name,</div>
-<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, 0, validate_level));</div>
-<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetAdjListOffsetFilePath(</div>
-<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  vertex_chunk_index, adj_list_type_));</div>
-<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
-<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> }</div>
-<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  </div>
-<div class="line"><a name="l00603"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26"> 603</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">EdgeChunkWriter::WriteAdjListChunk</a>(<span class="keyword">const</span> std::string& file_name,</div>
-<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  IdType chunk_index,</div>
-<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, chunk_index, validate_level));</div>
-<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keyword">auto</span> suffix, edge_info_->GetAdjListFilePath(vertex_chunk_index,</div>
-<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  chunk_index, adj_list_type_));</div>
-<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
-<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> }</div>
-<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  </div>
-<div class="line"><a name="l00615"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef"> 615</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">EdgeChunkWriter::WritePropertyChunk</a>(</div>
-<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <span class="keyword">const</span> std::string& file_name,</div>
-<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  GAR_RETURN_NOT_OK(validate(property_group, vertex_chunk_index, chunk_index,</div>
-<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  validate_level));</div>
-<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetPropertyFilePath(</div>
-<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  property_group, adj_list_type_,</div>
-<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  vertex_chunk_index, chunk_index));</div>
-<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">return</span> fs_->CopyFile(file_name, path);</div>
-<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> }</div>
-<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  </div>
-<div class="line"><a name="l00629"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c"> 629</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">EdgeChunkWriter::WriteOffsetChunk</a>(</div>
-<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  GAR_RETURN_NOT_OK(validate(input_table, vertex_chunk_index, validate_level));</div>
-<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
-<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kOffsetCol);</div>
-<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">if</span> (index == -1) {</div>
-<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The offset column "</span>, GeneralParams::kOffsetCol,</div>
-<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
-<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  }</div>
-<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  <span class="keyword">auto</span> in_table = input_table->SelectColumns({index}).ValueOrDie();</div>
-<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetAdjListOffsetFilePath(</div>
-<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  vertex_chunk_index, adj_list_type_));</div>
-<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
-<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> }</div>
-<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  </div>
-<div class="line"><a name="l00647"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0"> 647</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">EdgeChunkWriter::WriteAdjListChunk</a>(</div>
-<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  validate(input_table, vertex_chunk_index, chunk_index, validate_level));</div>
-<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
-<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  std::vector<int> indices;</div>
-<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  indices.clear();</div>
-<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kSrcIndexCol);</div>
-<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <span class="keywordflow">if</span> (index == -1) {</div>
-<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The source index column "</span>,</div>
-<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  GeneralParams::kSrcIndexCol,</div>
-<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
-<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  }</div>
-<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  indices.push_back(index);</div>
-<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  index = schema->GetFieldIndex(GeneralParams::kDstIndexCol);</div>
-<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  <span class="keywordflow">if</span> (index == -1) {</div>
-<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The destination index column "</span>,</div>
-<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  GeneralParams::kDstIndexCol,</div>
-<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
-<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  }</div>
-<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  indices.push_back(index);</div>
-<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="keyword">auto</span> in_table = input_table->SelectColumns(indices).ValueOrDie();</div>
-<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  </div>
-<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <span class="keyword">auto</span> suffix, edge_info_->GetAdjListFilePath(vertex_chunk_index,</div>
-<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  chunk_index, adj_list_type_));</div>
-<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
-<div class="line"><a name="l00677"></a><span class="lineno"> 677</span> }</div>
-<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  </div>
-<div class="line"><a name="l00679"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877"> 679</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">EdgeChunkWriter::WritePropertyChunk</a>(</div>
-<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  GAR_RETURN_NOT_OK(validate(input_table, property_group, vertex_chunk_index,</div>
-<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  chunk_index, validate_level));</div>
-<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  <span class="keyword">auto</span> file_type = property_group->GetFileType();</div>
-<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  </div>
-<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  std::vector<int> indices;</div>
-<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  indices.clear();</div>
-<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
-<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property : property_group->GetProperties()) {</div>
-<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(property.name);</div>
-<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
-<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"Column named "</span>, property.name,</div>
-<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="stringliteral">" of property group "</span>, property_group, <span class="stringliteral">" of edge "</span>,</div>
-<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  edge_info_->GetEdgeLabel(),</div>
-<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
-<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  }</div>
-<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  indices.push_back(indice);</div>
-<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  }</div>
-<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keyword">auto</span> in_table = input_table->SelectColumns(indices).ValueOrDie();</div>
-<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetPropertyFilePath(</div>
-<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  property_group, adj_list_type_,</div>
-<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  vertex_chunk_index, chunk_index));</div>
-<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  std::string path = prefix_ + suffix;</div>
-<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
-<div class="line"><a name="l00707"></a><span class="lineno"> 707</span> }</div>
-<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  </div>
-<div class="line"><a name="l00709"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a48f3a7356d603416caf3aefd546d2135"> 709</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">EdgeChunkWriter::WritePropertyChunk</a>(</div>
-<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& property_groups = edge_info_->GetPropertyGroups();</div>
-<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property_group : property_groups) {</div>
-<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(input_table, property_group,</div>
-<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  vertex_chunk_index, chunk_index,</div>
-<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  validate_level));</div>
-<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  }</div>
-<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00719"></a><span class="lineno"> 719</span> }</div>
-<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  </div>
-<div class="line"><a name="l00721"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47"> 721</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">EdgeChunkWriter::WriteChunk</a>(</div>
-<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">WriteAdjListChunk</a>(input_table, vertex_chunk_index,</div>
-<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  chunk_index, validate_level));</div>
-<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(input_table, vertex_chunk_index, chunk_index,</div>
-<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  validate_level);</div>
-<div class="line"><a name="l00728"></a><span class="lineno"> 728</span> }</div>
-<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  </div>
-<div class="line"><a name="l00730"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd"> 730</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">EdgeChunkWriter::WriteAdjListTable</a>(</div>
-<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  int64_t length = input_table->num_rows();</div>
-<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  IdType chunk_index = start_chunk_index;</div>
-<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
-<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  offset += chunk_size_, chunk_index++) {</div>
-<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
-<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">WriteAdjListChunk</a>(in_chunk, vertex_chunk_index,</div>
-<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  chunk_index, validate_level));</div>
-<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  }</div>
-<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> }</div>
-<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  </div>
-<div class="line"><a name="l00744"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2"> 744</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">EdgeChunkWriter::WritePropertyTable</a>(</div>
-<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  IdType vertex_chunk_index, IdType start_chunk_index,</div>
-<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  int64_t length = input_table->num_rows();</div>
-<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  IdType chunk_index = start_chunk_index;</div>
-<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
-<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  offset += chunk_size_, chunk_index++) {</div>
-<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
-<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(in_chunk, property_group,</div>
-<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  vertex_chunk_index, chunk_index,</div>
-<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  validate_level));</div>
-<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  }</div>
-<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00254"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47"> 254</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">VertexPropertyWriter::WriteTable</a>(</div>
+<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(GeneralParams::kVertexIndexCol);</div>
+<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keyword">auto</span> table_with_index = input_table;</div>
+<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
+<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">// add index column</span></div>
+<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  GAR_ASSIGN_OR_RAISE(table_with_index,</div>
+<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  addIndexColumn(input_table, start_chunk_index,</div>
+<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  vertex_info_->GetChunkSize()));</div>
+<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div>
+<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  IdType chunk_size = vertex_info_->GetChunkSize();</div>
+<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  int64_t length = table_with_index->num_rows();</div>
+<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  IdType chunk_index = start_chunk_index;</div>
+<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
+<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  offset += chunk_size, chunk_index++) {</div>
+<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keyword">auto</span> in_chunk = table_with_index->Slice(offset, chunk_size);</div>
+<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">WriteChunk</a>(in_chunk, property_group, chunk_index, validate_level));</div>
+<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  }</div>
+<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> }</div>
+<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  </div>
+<div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#aaa3107eb66941ceeb782280e3038ee4f"> 279</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">VertexPropertyWriter::WriteTable</a>(</div>
+<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType start_chunk_index,</div>
+<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keyword">auto</span> property_groups = vertex_info_->GetPropertyGroups();</div>
+<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> table_with_index,</div>
+<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  addIndexColumn(input_table, start_chunk_index,</div>
+<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  vertex_info_->GetChunkSize()));</div>
+<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property_group : property_groups) {</div>
+<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(table_with_index, property_group,</div>
+<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  start_chunk_index, validate_level));</div>
+<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
+<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> }</div>
+<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
+<div class="line"><a name="l00293"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b"> 293</a></span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">VertexPropertyWriter::Make</a>(</div>
+<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
+<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">return</span> std::make_shared<VertexPropertyWriter>(vertex_info, prefix,</div>
+<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  validate_level);</div>
+<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> }</div>
+<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  </div>
+<div class="line"><a name="l00300"></a><span class="lineno"><a class="line" href="classgraphar_1_1_vertex_property_writer.html#abd49d4667c8ae05fb1eef8144189a326"> 300</a></span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">VertexPropertyWriter::Make</a>(</div>
+<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
+<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
+<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="keyword">auto</span> vertex_info = graph_info->GetVertexInfo(label);</div>
+<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (!vertex_info) {</div>
+<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"The vertex "</span>, label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div>
+<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">Make</a>(vertex_info, graph_info->GetPrefix(), validate_level);</div>
+<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> }</div>
+<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
+<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> Result<std::shared_ptr<arrow::Table>> VertexPropertyWriter::addIndexColumn(</div>
+<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& table, IdType chunk_index,</div>
+<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  IdType chunk_size)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  arrow::Int64Builder array_builder;</div>
+<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  RETURN_NOT_ARROW_OK(array_builder.Reserve(chunk_size));</div>
+<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  int64_t length = table->num_rows();</div>
+<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">for</span> (IdType i = 0; i < length; i++) {</div>
+<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  RETURN_NOT_ARROW_OK(array_builder.Append(chunk_index * chunk_size + i));</div>
+<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
+<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  std::shared_ptr<arrow::Array> array;</div>
+<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  RETURN_NOT_ARROW_OK(array_builder.Finish(&array));</div>
+<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  std::shared_ptr<arrow::ChunkedArray> chunked_array =</div>
+<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  std::make_shared<arrow::ChunkedArray>(array);</div>
+<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(</div>
+<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keyword">auto</span> ret, table->AddColumn(0,</div>
+<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  arrow::field(GeneralParams::kVertexIndexCol,</div>
+<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  arrow::int64(), <span class="keyword">false</span>),</div>
+<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  chunked_array));</div>
+<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> ret;</div>
+<div class="line"><a name="l00329"></a><span class="lineno"> 329</span> }</div>
+<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  </div>
+<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment">// implementations for EdgeChunkWriter</span></div>
+<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  </div>
+<div class="line"><a name="l00333"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe"> 333</a></span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">EdgeChunkWriter::EdgeChunkWriter</a>(<span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info,</div>
+<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  AdjListType adj_list_type,</div>
+<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keyword">const</span> ValidateLevel& validate_level)</div>
+<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  : edge_info_(edge_info),</div>
+<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  adj_list_type_(adj_list_type),</div>
+<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  validate_level_(validate_level) {</div>
+<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">if</span> (validate_level_ == ValidateLevel::default_validate) {</div>
+<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">throw</span> std::runtime_error(</div>
+<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="stringliteral">"default_validate is not allowed to be set as the global validate "</span></div>
+<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="stringliteral">"level for EdgeChunkWriter"</span>);</div>
+<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  }</div>
+<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  GAR_ASSIGN_OR_RAISE_ERROR(fs_, FileSystemFromUriOrPath(prefix, &prefix_));</div>
+<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  chunk_size_ = edge_info_->GetChunkSize();</div>
+<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">switch</span> (adj_list_type) {</div>
+<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_source:</div>
+<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_source:</div>
+<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_dest:</div>
+<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  vertex_chunk_size_ = edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_dest:</div>
+<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  vertex_chunk_size_ = edge_info_->GetDstChunkSize();</div>
+<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">default</span>:</div>
+<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  vertex_chunk_size_ = edge_info_->GetSrcChunkSize();</div>
+<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  }</div>
+<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> }</div>
+<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// Check if the operation of writing number or copying a file is allowed.</span></div>
+<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <a class="code" href="classgraphar_1_1_status.html">Status</a> EdgeChunkWriter::validate(IdType count_or_index1, IdType count_or_index2,</div>
+<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="comment">// weak & strong validate for adj list type</span></div>
+<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> (!edge_info_->HasAdjacentListType(adj_list_type_)) {</div>
+<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(</div>
+<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="stringliteral">"Adj list type "</span>, AdjListTypeToString(adj_list_type_),</div>
+<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="stringliteral">" does not exist in the "</span>, edge_info_->GetEdgeLabel(), <span class="stringliteral">" edge info."</span>);</div>
+<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  }</div>
+<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// weak & strong validate for count or index</span></div>
+<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (count_or_index1 < 0 || count_or_index2 < 0) {</div>
+<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a>(</div>
+<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="stringliteral">"The count or index must be non-negative, but got "</span>, count_or_index1,</div>
+<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="stringliteral">" and "</span>, count_or_index2, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div>
+<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> }</div>
+<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  </div>
+<div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="comment">// Check if the operation of copying a file as a property chunk is allowed.</span></div>
+<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> Status EdgeChunkWriter::validate(</div>
+<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="comment">// validate for adj list type & index</span></div>
+<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, chunk_index, validate_level));</div>
+<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// weak & strong validate for property group</span></div>
+<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">if</span> (!edge_info_->HasPropertyGroup(property_group)) {</div>
+<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">Status::KeyError</a>(<span class="stringliteral">"Property group"</span>, <span class="stringliteral">" does not exist in the "</span>,</div>
+<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  edge_info_->GetEdgeLabel(), <span class="stringliteral">" edge info."</span>);</div>
+<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div>
+<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> }</div>
+<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  </div>
+<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment">// Check if the operation of writing a table as an offset chunk is allowed.</span></div>
+<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> Status EdgeChunkWriter::validate(</div>
+<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">// validate for adj list type & index</span></div>
+<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, 0, validate_level));</div>
+<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="comment">// weak validate for the input table</span></div>
+<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">if</span> (adj_list_type_ != AdjListType::ordered_by_source &&</div>
+<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  adj_list_type_ != AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
+<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="stringliteral">"The adj list type has to be ordered_by_source or ordered_by_dest, but "</span></div>
+<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="stringliteral">"got "</span> +</div>
+<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  std::string(AdjListTypeToString(adj_list_type_)));</div>
+<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  }</div>
+<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_source &&</div>
+<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  input_table->num_rows() > edge_info_->GetSrcChunkSize() + 1) {</div>
+<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
+<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="stringliteral">"The number of rows of input offset table is "</span>, input_table->num_rows(),</div>
+<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="stringliteral">" which is larger than the offset size of source vertex chunk "</span>,</div>
+<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  edge_info_->GetSrcChunkSize() + 1, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  }</div>
+<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_dest &&</div>
+<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  input_table->num_rows() > edge_info_->GetDstChunkSize() + 1) {</div>
+<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
+<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="stringliteral">"The number of rows of input offset table is "</span>, input_table->num_rows(),</div>
+<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="stringliteral">" which is larger than the offset size of destination vertex chunk "</span>,</div>
+<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  edge_info_->GetSrcChunkSize() + 1, <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div>
+<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="comment">// strong validate for the input_table</span></div>
+<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::strong_validate) {</div>
+<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">// validate the input table</span></div>
+<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  RETURN_NOT_ARROW_OK(input_table->Validate());</div>
+<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">// validate the schema</span></div>
+<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kOffsetCol);</div>
+<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span> (index == -1) {</div>
+<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The offset column "</span>, GeneralParams::kOffsetCol,</div>
+<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
+<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  }</div>
+<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keyword">auto</span> field = schema->field(index);</div>
+<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">if</span> (field->type()->id() != arrow::Type::INT64) {</div>
+<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
+<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="stringliteral">"The data type for offset column should be INT64, but got "</span>,</div>
+<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  field->type()->name());</div>
+<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  }</div>
+<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  }</div>
+<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> }</div>
+<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
+<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment">// Check if the operation of writing a table as an adj list chunk is allowed.</span></div>
+<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> Status EdgeChunkWriter::validate(</div>
+<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="comment">// validate for adj list type & index</span></div>
+<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, chunk_index, validate_level));</div>
+<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">// weak validate for the input table</span></div>
+<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (input_table->num_rows() > edge_info_->GetChunkSize()) {</div>
+<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
+<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="stringliteral">"The number of rows of input table is "</span>, input_table->num_rows(),</div>
+<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="stringliteral">" which is larger than the "</span>, edge_info_->GetEdgeLabel(),</div>
+<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="stringliteral">" edge chunk size "</span>, edge_info_->GetChunkSize(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div>
+<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="comment">// strong validate for the input table</span></div>
+<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::strong_validate) {</div>
+<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kSrcIndexCol);</div>
+<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">if</span> (index == -1) {</div>
+<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The source index column "</span>,</div>
+<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  GeneralParams::kSrcIndexCol,</div>
+<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
+<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
+<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keyword">auto</span> field = schema->field(index);</div>
+<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> (field->type()->id() != arrow::Type::INT64) {</div>
+<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
+<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="stringliteral">"The data type for source index column should be INT64, but got "</span>,</div>
+<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  field->type()->name());</div>
+<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div>
+<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  index = schema->GetFieldIndex(GeneralParams::kDstIndexCol);</div>
+<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">if</span> (index == -1) {</div>
+<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The destination index column "</span>,</div>
+<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  GeneralParams::kDstIndexCol,</div>
+<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
+<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  }</div>
+<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  field = schema->field(index);</div>
+<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">if</span> (field->type()->id() != arrow::Type::INT64) {</div>
+<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
+<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="stringliteral">"The data type for destination index column should be INT64, but "</span></div>
+<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="stringliteral">"got "</span>,</div>
+<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  field->type()->name());</div>
+<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  }</div>
+<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div>
+<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00513"></a><span class="lineno"> 513</span> }</div>
+<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  </div>
+<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment">// Check if the operation of writing a table as a property chunk is allowed.</span></div>
+<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> Status EdgeChunkWriter::validate(</div>
+<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">// use the writer's validate level</span></div>
+<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate)</div>
+<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  validate_level = validate_level_;</div>
+<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="comment">// no validate</span></div>
+<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::no_validate)</div>
+<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="comment">// validate for property group, adj list type & index</span></div>
+<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  GAR_RETURN_NOT_OK(validate(property_group, vertex_chunk_index, chunk_index,</div>
+<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  validate_level));</div>
+<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="comment">// weak validate for the input table</span></div>
+<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> (input_table->num_rows() > edge_info_->GetChunkSize()) {</div>
+<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(</div>
+<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="stringliteral">"The number of rows of input table is "</span>, input_table->num_rows(),</div>
+<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="stringliteral">" which is larger than the "</span>, edge_info_->GetEdgeLabel(),</div>
+<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="stringliteral">" edge chunk size "</span>, edge_info_->GetChunkSize(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</div>
+<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="comment">// strong validate for the input table</span></div>
+<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::strong_validate) {</div>
+<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="comment">// validate the input table</span></div>
+<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  RETURN_NOT_ARROW_OK(input_table->Validate());</div>
+<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="comment">// validate the schema</span></div>
+<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property : property_group->GetProperties()) {</div>
+<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(property.name);</div>
+<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
+<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"Column named "</span>, property.name,</div>
+<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="stringliteral">" of property group "</span>, property_group,</div>
+<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
+<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  }</div>
+<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keyword">auto</span> field = schema->field(indice);</div>
+<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span> (DataType::ArrowDataTypeToDataType(field->type()) != property.type) {</div>
+<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">Status::TypeError</a>(</div>
+<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="stringliteral">"The data type of property: "</span>, property.name, <span class="stringliteral">" is "</span>,</div>
+<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  property.type->ToTypeName(), <span class="stringliteral">", but got "</span>,</div>
+<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  DataType::ArrowDataTypeToDataType(field->type())->ToTypeName(),</div>
+<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  }</div>
+<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div>
+<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  }</div>
+<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> }</div>
+<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  </div>
+<div class="line"><a name="l00563"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1"> 563</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">EdgeChunkWriter::WriteEdgesNum</a>(IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keyword">const</span> IdType& count,</div>
+<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  GAR_RETURN_NOT_OK(validate(vertex_chunk_index, count, validate_level));</div>
+<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetEdgesNumFilePath(</div>
+<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  vertex_chunk_index, adj_list_type_));</div>
+<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">return</span> fs_->WriteValueToFile<IdType>(count, path);</div>
+<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> }</div>
+<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  </div>
+<div class="line"><a name="l00573"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f"> 573</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">EdgeChunkWriter::WriteVerticesNum</a>(<span class="keyword">const</span> IdType& count,</div>
+<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  GAR_RETURN_NOT_OK(validate(0, count, validate_level));</div>
+<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix,</div>
+<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  edge_info_->GetVerticesNumFilePath(adj_list_type_));</div>
+<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">return</span> fs_->WriteValueToFile<IdType>(count, path);</div>
+<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> }</div>
+<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  </div>
+<div class="line"><a name="l00582"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c"> 582</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">EdgeChunkWriter::WriteOffsetChunk</a>(</div>
+<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  GAR_RETURN_NOT_OK(validate(input_table, vertex_chunk_index, validate_level));</div>
+<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
+<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kOffsetCol);</div>
+<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> (index == -1) {</div>
+<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The offset column "</span>, GeneralParams::kOffsetCol,</div>
+<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
+<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  }</div>
+<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <span class="keyword">auto</span> in_table = input_table->SelectColumns({index}).ValueOrDie();</div>
+<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetAdjListOffsetFilePath(</div>
+<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  vertex_chunk_index, adj_list_type_));</div>
+<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
+<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> }</div>
+<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  </div>
+<div class="line"><a name="l00600"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0"> 600</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">EdgeChunkWriter::WriteAdjListChunk</a>(</div>
+<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  validate(input_table, vertex_chunk_index, chunk_index, validate_level));</div>
+<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keyword">auto</span> file_type = edge_info_->GetAdjacentList(adj_list_type_)->GetFileType();</div>
+<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  std::vector<int> indices;</div>
+<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  indices.clear();</div>
+<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordtype">int</span> index = schema->GetFieldIndex(GeneralParams::kSrcIndexCol);</div>
+<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <span class="keywordflow">if</span> (index == -1) {</div>
+<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The source index column "</span>,</div>
+<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  GeneralParams::kSrcIndexCol,</div>
+<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
+<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  }</div>
+<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  indices.push_back(index);</div>
+<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  index = schema->GetFieldIndex(GeneralParams::kDstIndexCol);</div>
+<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">if</span> (index == -1) {</div>
+<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"The destination index column "</span>,</div>
+<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  GeneralParams::kDstIndexCol,</div>
+<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="stringliteral">" does not exist in the input table"</span>);</div>
+<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  }</div>
+<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  indices.push_back(index);</div>
+<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keyword">auto</span> in_table = input_table->SelectColumns(indices).ValueOrDie();</div>
+<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  </div>
+<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keyword">auto</span> suffix, edge_info_->GetAdjListFilePath(vertex_chunk_index,</div>
+<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  chunk_index, adj_list_type_));</div>
+<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
+<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> }</div>
+<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  </div>
+<div class="line"><a name="l00632"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877"> 632</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">EdgeChunkWriter::WritePropertyChunk</a>(</div>
+<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  GAR_RETURN_NOT_OK(validate(input_table, property_group, vertex_chunk_index,</div>
+<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  chunk_index, validate_level));</div>
+<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <span class="keyword">auto</span> file_type = property_group->GetFileType();</div>
+<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  </div>
+<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  std::vector<int> indices;</div>
+<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  indices.clear();</div>
+<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keyword">auto</span> schema = input_table->schema();</div>
+<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property : property_group->GetProperties()) {</div>
+<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordtype">int</span> indice = schema->GetFieldIndex(property.name);</div>
+<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keywordflow">if</span> (indice == -1) {</div>
+<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">Status::Invalid</a>(<span class="stringliteral">"Column named "</span>, property.name,</div>
+<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="stringliteral">" of property group "</span>, property_group, <span class="stringliteral">" of edge "</span>,</div>
+<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  edge_info_->GetEdgeLabel(),</div>
+<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="stringliteral">" does not exist in the input table."</span>);</div>
+<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  }</div>
+<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  indices.push_back(indice);</div>
+<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
+<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keyword">auto</span> in_table = input_table->SelectColumns(indices).ValueOrDie();</div>
+<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  GAR_ASSIGN_OR_RAISE(<span class="keyword">auto</span> suffix, edge_info_->GetPropertyFilePath(</div>
+<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  property_group, adj_list_type_,</div>
+<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  vertex_chunk_index, chunk_index));</div>
+<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  std::string path = prefix_ + suffix;</div>
+<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">return</span> fs_->WriteTableToFile(in_table, file_type, path);</div>
+<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> }</div>
+<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  </div>
+<div class="line"><a name="l00662"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a48f3a7356d603416caf3aefd546d2135"> 662</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">EdgeChunkWriter::WritePropertyChunk</a>(</div>
+<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keyword">const</span> <span class="keyword">auto</span>& property_groups = edge_info_->GetPropertyGroups();</div>
+<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& property_group : property_groups) {</div>
+<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(input_table, property_group,</div>
+<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  vertex_chunk_index, chunk_index,</div>
+<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  validate_level));</div>
+<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  }</div>
+<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00672"></a><span class="lineno"> 672</span> }</div>
+<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  </div>
+<div class="line"><a name="l00674"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47"> 674</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">EdgeChunkWriter::WriteChunk</a>(</div>
+<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  IdType chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">WriteAdjListChunk</a>(input_table, vertex_chunk_index,</div>
+<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  chunk_index, validate_level));</div>
+<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(input_table, vertex_chunk_index, chunk_index,</div>
+<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  validate_level);</div>
+<div class="line"><a name="l00681"></a><span class="lineno"> 681</span> }</div>
+<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  </div>
+<div class="line"><a name="l00683"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd"> 683</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">EdgeChunkWriter::WriteAdjListTable</a>(</div>
+<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  int64_t length = input_table->num_rows();</div>
+<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  IdType chunk_index = start_chunk_index;</div>
+<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
+<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  offset += chunk_size_, chunk_index++) {</div>
+<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
+<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">WriteAdjListChunk</a>(in_chunk, vertex_chunk_index,</div>
+<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  chunk_index, validate_level));</div>
+<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  }</div>
+<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00695"></a><span class="lineno"> 695</span> }</div>
+<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  </div>
+<div class="line"><a name="l00697"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2"> 697</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">EdgeChunkWriter::WritePropertyTable</a>(</div>
+<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00699"></a><span class="lineno"> 699</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  IdType vertex_chunk_index, IdType start_chunk_index,</div>
+<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  int64_t length = input_table->num_rows();</div>
+<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  IdType chunk_index = start_chunk_index;</div>
+<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
+<div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  offset += chunk_size_, chunk_index++) {</div>
+<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
+<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(in_chunk, property_group,</div>
+<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  vertex_chunk_index, chunk_index,</div>
+<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  validate_level));</div>
+<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  }</div>
+<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> }</div>
+<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  </div>
+<div class="line"><a name="l00714"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#ac4d3a559f6508f150ff5272ccec0f120"> 714</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">EdgeChunkWriter::WritePropertyTable</a>(</div>
+<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  int64_t length = input_table->num_rows();</div>
+<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  IdType chunk_index = start_chunk_index;</div>
+<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
+<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  offset += chunk_size_, chunk_index++) {</div>
+<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
+<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(in_chunk, vertex_chunk_index,</div>
+<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  chunk_index, validate_level));</div>
+<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  }</div>
+<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00726"></a><span class="lineno"> 726</span> }</div>
+<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  </div>
+<div class="line"><a name="l00728"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4"> 728</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">EdgeChunkWriter::WriteTable</a>(</div>
+<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  int64_t length = input_table->num_rows();</div>
+<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  IdType chunk_index = start_chunk_index;</div>
+<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
+<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  offset += chunk_size_, chunk_index++) {</div>
+<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
+<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">WriteChunk</a>(in_chunk, vertex_chunk_index, chunk_index, validate_level));</div>
+<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div>
+<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
+<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> }</div>
+<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  </div>
+<div class="line"><a name="l00742"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772"> 742</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">EdgeChunkWriter::SortAndWriteAdjListTable</a>(</div>
+<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keyword">auto</span> response_table,</div>
+<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
+<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_source ||</div>
+<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  adj_list_type_ == AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keyword">auto</span> offset_table,</div>
+<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  getOffsetTable(response_table, getSortColumnName(adj_list_type_),</div>
+<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  vertex_chunk_index));</div>
+<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">WriteOffsetChunk</a>(offset_table, vertex_chunk_index, validate_level));</div>
+<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  }</div>
+<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">WriteAdjListTable</a>(response_table, vertex_chunk_index,</div>
+<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  start_chunk_index, validate_level);</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span> }</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  </div>
-<div class="line"><a name="l00761"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#ac4d3a559f6508f150ff5272ccec0f120"> 761</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">EdgeChunkWriter::WritePropertyTable</a>(</div>
-<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  int64_t length = input_table->num_rows();</div>
-<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  IdType chunk_index = start_chunk_index;</div>
-<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
-<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  offset += chunk_size_, chunk_index++) {</div>
-<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
-<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  GAR_RETURN_NOT_OK(<a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(in_chunk, vertex_chunk_index,</div>
-<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  chunk_index, validate_level));</div>
-<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  }</div>
-<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00773"></a><span class="lineno"> 773</span> }</div>
-<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  </div>
-<div class="line"><a name="l00775"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4"> 775</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">EdgeChunkWriter::WriteTable</a>(</div>
-<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  int64_t length = input_table->num_rows();</div>
-<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  IdType chunk_index = start_chunk_index;</div>
-<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">for</span> (int64_t offset = 0; offset < length;</div>
-<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  offset += chunk_size_, chunk_index++) {</div>
-<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <span class="keyword">auto</span> in_chunk = input_table->Slice(offset, chunk_size_);</div>
-<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">WriteChunk</a>(in_chunk, vertex_chunk_index, chunk_index, validate_level));</div>
-<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  }</div>
-<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">Status::OK</a>();</div>
-<div class="line"><a name="l00787"></a><span class="lineno"> 787</span> }</div>
-<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  </div>
-<div class="line"><a name="l00789"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772"> 789</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">EdgeChunkWriter::SortAndWriteAdjListTable</a>(</div>
-<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keyword">auto</span> response_table,</div>
-<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
-<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_source ||</div>
-<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  adj_list_type_ == AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="keyword">auto</span> offset_table,</div>
-<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  getOffsetTable(response_table, getSortColumnName(adj_list_type_),</div>
-<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  vertex_chunk_index));</div>
-<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">WriteOffsetChunk</a>(offset_table, vertex_chunk_index, validate_level));</div>
-<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  }</div>
-<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">WriteAdjListTable</a>(response_table, vertex_chunk_index,</div>
-<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  start_chunk_index, validate_level);</div>
-<div class="line"><a name="l00806"></a><span class="lineno"> 806</span> }</div>
-<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  </div>
-<div class="line"><a name="l00808"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79"> 808</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">EdgeChunkWriter::SortAndWritePropertyTable</a>(</div>
-<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  IdType vertex_chunk_index, IdType start_chunk_index,</div>
-<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  <span class="keyword">auto</span> response_table,</div>
-<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
-<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(response_table, property_group, vertex_chunk_index,</div>
-<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  start_chunk_index, validate_level);</div>
-<div class="line"><a name="l00818"></a><span class="lineno"> 818</span> }</div>
-<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  </div>
-<div class="line"><a name="l00820"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a0a7146c0fbc15e5775bf950e3f435f54"> 820</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">EdgeChunkWriter::SortAndWritePropertyTable</a>(</div>
-<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keyword">auto</span> response_table,</div>
-<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
-<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(response_table, vertex_chunk_index,</div>
-<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  start_chunk_index, validate_level);</div>
-<div class="line"><a name="l00828"></a><span class="lineno"> 828</span> }</div>
-<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  </div>
-<div class="line"><a name="l00830"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a"> 830</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">EdgeChunkWriter::SortAndWriteTable</a>(</div>
-<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  <span class="keyword">auto</span> response_table,</div>
-<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
-<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  </div>
-<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_source ||</div>
-<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  adj_list_type_ == AdjListType::ordered_by_dest) {</div>
-<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  GAR_ASSIGN_OR_RAISE(</div>
-<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  <span class="keyword">auto</span> offset_table,</div>
-<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  getOffsetTable(response_table, getSortColumnName(adj_list_type_),</div>
-<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  vertex_chunk_index));</div>
-<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  GAR_RETURN_NOT_OK(</div>
-<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">WriteOffsetChunk</a>(offset_table, vertex_chunk_index, validate_level));</div>
-<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  }</div>
-<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  </div>
-<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">WriteTable</a>(response_table, vertex_chunk_index, start_chunk_index,</div>
-<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  validate_level);</div>
-<div class="line"><a name="l00849"></a><span class="lineno"> 849</span> }</div>
-<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  </div>
-<div class="line"><a name="l00851"></a><span class="lineno"> 851</span> Result<std::shared_ptr<arrow::Table>> EdgeChunkWriter::getOffsetTable(</div>
-<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keyword">const</span> std::string& column_name, IdType vertex_chunk_index)<span class="keyword"> const </span>{</div>
-<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  std::shared_ptr<arrow::ChunkedArray> column =</div>
-<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  input_table->GetColumnByName(column_name);</div>
-<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  int64_t array_index = 0, index = 0;</div>
-<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keyword">auto</span> ids =</div>
-<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  std::static_pointer_cast<arrow::Int64Array>(column->chunk(array_index));</div>
-<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  </div>
-<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  arrow::Int64Builder builder;</div>
-<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  IdType begin_index = vertex_chunk_index * vertex_chunk_size_,</div>
-<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  end_index = begin_index + vertex_chunk_size_;</div>
-<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  RETURN_NOT_ARROW_OK(builder.Append(0));</div>
-<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  std::vector<std::shared_ptr<arrow::Array>> arrays;</div>
-<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  std::vector<std::shared_ptr<arrow::Field>> schema_vector;</div>
-<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  std::string <span class="keyword">property</span> = GeneralParams::kOffsetCol;</div>
-<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  schema_vector.push_back(</div>
-<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  arrow::field(property, DataType::DataTypeToArrowDataType(int64())));</div>
-<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  </div>
-<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  int64_t global_index = 0;</div>
-<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="keywordflow">for</span> (IdType i = begin_index; i < end_index; i++) {</div>
-<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
-<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  <span class="keywordflow">if</span> (array_index >= column->num_chunks())</div>
-<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  <span class="keywordflow">break</span>;</div>
-<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="keywordflow">if</span> (index >= ids->length()) {</div>
-<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  array_index++;</div>
-<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keywordflow">if</span> (array_index == column->num_chunks())</div>
-<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  <span class="keywordflow">break</span>;</div>
-<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  ids = std::static_pointer_cast<arrow::Int64Array>(</div>
-<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  column->chunk(array_index));</div>
-<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  index = 0;</div>
-<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  }</div>
-<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  <span class="keywordflow">if</span> (ids->IsNull(index) || !ids->IsValid(index)) {</div>
-<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  index++;</div>
-<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  global_index++;</div>
-<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="keywordflow">continue</span>;</div>
-<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  }</div>
-<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  int64_t x = ids->Value(index);</div>
-<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">if</span> (x <= i) {</div>
-<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  index++;</div>
-<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  global_index++;</div>
-<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  } <span class="keywordflow">else</span> {</div>
-<div class="line"><a name="l00893"></a><span class="lineno"> 893</span>  <span class="keywordflow">break</span>;</div>
-<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  }</div>
-<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  }</div>
-<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  RETURN_NOT_ARROW_OK(builder.Append(global_index));</div>
-<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  }</div>
-<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  </div>
-<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(<span class="keyword">auto</span> array, builder.Finish());</div>
-<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  arrays.push_back(array);</div>
-<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="keyword">auto</span> schema = std::make_shared<arrow::Schema>(schema_vector);</div>
-<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="keywordflow">return</span> arrow::Table::Make(schema, arrays);</div>
-<div class="line"><a name="l00903"></a><span class="lineno"> 903</span> }</div>
-<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  </div>
-<div class="line"><a name="l00905"></a><span class="lineno"> 905</span> Result<std::shared_ptr<arrow::Table>> EdgeChunkWriter::sortTable(</div>
-<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keyword">const</span> std::string& column_name) {</div>
-<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keyword">auto</span> exec_context = arrow::compute::default_exec_context();</div>
-<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="keyword">auto</span> plan = arrow_acero_namespace::ExecPlan::Make(exec_context).ValueOrDie();</div>
-<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keyword">auto</span> table_source_options =</div>
-<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  arrow_acero_namespace::TableSourceNodeOptions{input_table};</div>
-<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keyword">auto</span> source = arrow_acero_namespace::MakeExecNode(<span class="stringliteral">"table_source"</span>, plan.get(),</div>
-<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  {}, table_source_options)</div>
-<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  .ValueOrDie();</div>
-<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  AsyncGeneratorType sink_gen;</div>
-<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  RETURN_NOT_ARROW_OK(</div>
-<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  arrow_acero_namespace::MakeExecNode(</div>
-<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  <span class="stringliteral">"order_by_sink"</span>, plan.get(), {source},</div>
-<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  arrow_acero_namespace::OrderBySinkNodeOptions{</div>
-<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  arrow::compute::SortOptions{{arrow::compute::SortKey{</div>
-<div class="line"><a name="l00921"></a><span class="lineno"> 921</span>  column_name, arrow::compute::SortOrder::Ascending}}},</div>
-<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  &sink_gen})</div>
-<div class="line"><a name="l00923"></a><span class="lineno"> 923</span>  .status());</div>
-<div class="line"><a name="l00924"></a><span class="lineno"> 924</span>  <span class="keywordflow">return</span> ExecutePlanAndCollectAsTable(*exec_context, plan,</div>
-<div class="line"><a name="l00925"></a><span class="lineno"> 925</span>  input_table->schema(), sink_gen);</div>
-<div class="line"><a name="l00926"></a><span class="lineno"> 926</span> }</div>
-<div class="line"><a name="l00927"></a><span class="lineno"> 927</span>  </div>
-<div class="line"><a name="l00928"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d"> 928</a></span> Result<std::shared_ptr<EdgeChunkWriter>> EdgeChunkWriter::Make(</div>
-<div class="line"><a name="l00929"></a><span class="lineno"> 929</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00930"></a><span class="lineno"> 930</span>  AdjListType adj_list_type, <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
-<div class="line"><a name="l00931"></a><span class="lineno"> 931</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
-<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keywordflow">return</span> Status::KeyError(</div>
-<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
-<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
-<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  }</div>
-<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  <span class="keywordflow">return</span> std::make_shared<EdgeChunkWriter>(edge_info, prefix, adj_list_type,</div>
-<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  validate_level);</div>
-<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> }</div>
-<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  </div>
-<div class="line"><a name="l00940"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a38831043cea6a6fcd2e796459b8e4c72"> 940</a></span> Result<std::shared_ptr<EdgeChunkWriter>> EdgeChunkWriter::Make(</div>
-<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
-<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
-<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  AdjListType adj_list_type, <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
-<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
-<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
-<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  <span class="keywordflow">return</span> Status::KeyError(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
-<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
-<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  }</div>
-<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  <span class="keywordflow">return</span> Make(edge_info, graph_info->GetPrefix(), adj_list_type,</div>
-<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  validate_level);</div>
-<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> }</div>
-<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  </div>
-<div class="line"><a name="l00953"></a><span class="lineno"> 953</span> std::string EdgeChunkWriter::getSortColumnName(AdjListType adj_list_type) {</div>
-<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <span class="keywordflow">switch</span> (adj_list_type) {</div>
-<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_source:</div>
-<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
-<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_source:</div>
-<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
-<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_dest:</div>
-<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <span class="keywordflow">return</span> GeneralParams::kDstIndexCol;</div>
-<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_dest:</div>
-<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="keywordflow">return</span> GeneralParams::kDstIndexCol;</div>
-<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  <span class="keywordflow">default</span>:</div>
-<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
-<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  }</div>
-<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
-<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> }</div>
-<div class="line"><a name="l00968"></a><span class="lineno"> 968</span> } <span class="comment">// namespace graphar</span></div>
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a5e4fea615937a48c2215e09f077ac7ef"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">graphar::EdgeChunkWriter::WritePropertyChunk</a></div><div class="ttdeci">Status WritePropertyChunk(const std::string &file_name, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel:: [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a69144b6a4bd4087b7401787d641ca772"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">graphar::EdgeChunkWriter::SortAndWriteAdjListTable</a></div><div class="ttdeci">Status SortAndWriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a7197f8501c2205dd6a5456d4bf1769fd"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">graphar::EdgeChunkWriter::WriteAdjListTable</a></div><div class="ttdeci">Status WriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a74d5ff66b247fb94b87db25442f98ee2"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">graphar::EdgeChunkWriter::WritePropertyTable</a></div><div class="ttdeci">Status WritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_index=0, Validate [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a785e601cffa83b78a9f64dd182cc0dfe"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">graphar::EdgeChunkWriter::EdgeChunkWriter</a></div><div class="ttdeci">EdgeChunkWriter(const std::shared_ptr< EdgeInfo > &edge_info, const std::string &prefix, AdjListType adj_list_type, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttdoc [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aa2e0976953c5ef8a7015079c56b56c47"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">graphar::EdgeChunkWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aadbd1ad5299ab867d099ffc85528268a"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">graphar::EdgeChunkWriter::SortAndWriteTable</a></div><div class="ttdeci">Status SortAndWriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_ab859c5eb1f10b88c5d0af6ab71e0ec79"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">graphar::EdgeChunkWriter::SortAndWritePropertyTable</a></div><div class="ttdeci">Status SortAndWritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_ind [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_abfa01f956f732e660eead056ce12f7c1"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">graphar::EdgeChunkWriter::WriteEdgesNum</a></div><div class="ttdeci">Status WriteEdgesNum(IdType vertex_chunk_index, const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of edges into the file.</div><div class= [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_adbe1029f7e8f1777da7e905ec0e0b0e4"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">graphar::EdgeChunkWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aea77e6d1bad16efd45429f3c9ce6fe26"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">graphar::EdgeChunkWriter::WriteAdjListChunk</a></div><div class="ttdeci">Status WriteAdjListChunk(const std::string &file_name, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Copy a file as an ad [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aed5424b189097dfb70437fccbca9836c"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">graphar::EdgeChunkWriter::WriteOffsetChunk</a></div><div class="ttdeci">Status WriteOffsetChunk(const std::string &file_name, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Copy a file as a offset chunk.</div><div c [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_af3796d4dd08e7d876281f53d039dad5f"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">graphar::EdgeChunkWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="ttdef"><b>Definit [...]
+<div class="line"><a name="l00761"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79"> 761</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">EdgeChunkWriter::SortAndWritePropertyTable</a>(</div>
+<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  IdType vertex_chunk_index, IdType start_chunk_index,</div>
+<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keyword">auto</span> response_table,</div>
+<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
+<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(response_table, property_group, vertex_chunk_index,</div>
+<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  start_chunk_index, validate_level);</div>
+<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> }</div>
+<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  </div>
+<div class="line"><a name="l00773"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a0a7146c0fbc15e5775bf950e3f435f54"> 773</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">EdgeChunkWriter::SortAndWritePropertyTable</a>(</div>
+<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  <span class="keyword">auto</span> response_table,</div>
+<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
+<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(response_table, vertex_chunk_index,</div>
+<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  start_chunk_index, validate_level);</div>
+<div class="line"><a name="l00781"></a><span class="lineno"> 781</span> }</div>
+<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  </div>
+<div class="line"><a name="l00783"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a"> 783</a></span> <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">EdgeChunkWriter::SortAndWriteTable</a>(</div>
+<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  IdType start_chunk_index, ValidateLevel validate_level)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  <span class="keyword">auto</span> response_table,</div>
+<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  sortTable(input_table, getSortColumnName(adj_list_type_)));</div>
+<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  </div>
+<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">if</span> (adj_list_type_ == AdjListType::ordered_by_source ||</div>
+<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  adj_list_type_ == AdjListType::ordered_by_dest) {</div>
+<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  GAR_ASSIGN_OR_RAISE(</div>
+<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  <span class="keyword">auto</span> offset_table,</div>
+<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  getOffsetTable(response_table, getSortColumnName(adj_list_type_),</div>
+<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  vertex_chunk_index));</div>
+<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  GAR_RETURN_NOT_OK(</div>
+<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">WriteOffsetChunk</a>(offset_table, vertex_chunk_index, validate_level));</div>
+<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  }</div>
+<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  </div>
+<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  <span class="keywordflow">return</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">WriteTable</a>(response_table, vertex_chunk_index, start_chunk_index,</div>
+<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  validate_level);</div>
+<div class="line"><a name="l00802"></a><span class="lineno"> 802</span> }</div>
+<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  </div>
+<div class="line"><a name="l00804"></a><span class="lineno"> 804</span> Result<std::shared_ptr<arrow::Table>> EdgeChunkWriter::getOffsetTable(</div>
+<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  <span class="keyword">const</span> std::string& column_name, IdType vertex_chunk_index)<span class="keyword"> const </span>{</div>
+<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  std::shared_ptr<arrow::ChunkedArray> column =</div>
+<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  input_table->GetColumnByName(column_name);</div>
+<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  int64_t array_index = 0, index = 0;</div>
+<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  <span class="keyword">auto</span> ids =</div>
+<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  std::static_pointer_cast<arrow::Int64Array>(column->chunk(array_index));</div>
+<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  </div>
+<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  arrow::Int64Builder builder;</div>
+<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  IdType begin_index = vertex_chunk_index * vertex_chunk_size_,</div>
+<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  end_index = begin_index + vertex_chunk_size_;</div>
+<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  RETURN_NOT_ARROW_OK(builder.Append(0));</div>
+<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  std::vector<std::shared_ptr<arrow::Array>> arrays;</div>
+<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  std::vector<std::shared_ptr<arrow::Field>> schema_vector;</div>
+<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  std::string <span class="keyword">property</span> = GeneralParams::kOffsetCol;</div>
+<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  schema_vector.push_back(</div>
+<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  arrow::field(property, DataType::DataTypeToArrowDataType(int64())));</div>
+<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  </div>
+<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  int64_t global_index = 0;</div>
+<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  <span class="keywordflow">for</span> (IdType i = begin_index; i < end_index; i++) {</div>
+<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>) {</div>
+<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="keywordflow">if</span> (array_index >= column->num_chunks())</div>
+<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <span class="keywordflow">if</span> (index >= ids->length()) {</div>
+<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  array_index++;</div>
+<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  <span class="keywordflow">if</span> (array_index == column->num_chunks())</div>
+<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  ids = std::static_pointer_cast<arrow::Int64Array>(</div>
+<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  column->chunk(array_index));</div>
+<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  index = 0;</div>
+<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  }</div>
+<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <span class="keywordflow">if</span> (ids->IsNull(index) || !ids->IsValid(index)) {</div>
+<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  index++;</div>
+<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  global_index++;</div>
+<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  <span class="keywordflow">continue</span>;</div>
+<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  }</div>
+<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  int64_t x = ids->Value(index);</div>
+<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <span class="keywordflow">if</span> (x <= i) {</div>
+<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  index++;</div>
+<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  global_index++;</div>
+<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  } <span class="keywordflow">else</span> {</div>
+<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  <span class="keywordflow">break</span>;</div>
+<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  }</div>
+<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  }</div>
+<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  RETURN_NOT_ARROW_OK(builder.Append(global_index));</div>
+<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  }</div>
+<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  </div>
+<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  GAR_RETURN_ON_ARROW_ERROR_AND_ASSIGN(<span class="keyword">auto</span> array, builder.Finish());</div>
+<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  arrays.push_back(array);</div>
+<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <span class="keyword">auto</span> schema = std::make_shared<arrow::Schema>(schema_vector);</div>
+<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <span class="keywordflow">return</span> arrow::Table::Make(schema, arrays);</div>
+<div class="line"><a name="l00856"></a><span class="lineno"> 856</span> }</div>
+<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  </div>
+<div class="line"><a name="l00858"></a><span class="lineno"> 858</span> Result<std::shared_ptr<arrow::Table>> EdgeChunkWriter::sortTable(</div>
+<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <span class="keyword">const</span> std::string& column_name) {</div>
+<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  <span class="keyword">auto</span> exec_context = arrow::compute::default_exec_context();</div>
+<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  <span class="keyword">auto</span> plan = arrow_acero_namespace::ExecPlan::Make(exec_context).ValueOrDie();</div>
+<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <span class="keyword">auto</span> table_source_options =</div>
+<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  arrow_acero_namespace::TableSourceNodeOptions{input_table};</div>
+<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  <span class="keyword">auto</span> source = arrow_acero_namespace::MakeExecNode(<span class="stringliteral">"table_source"</span>, plan.get(),</div>
+<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  {}, table_source_options)</div>
+<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  .ValueOrDie();</div>
+<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  AsyncGeneratorType sink_gen;</div>
+<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  RETURN_NOT_ARROW_OK(</div>
+<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  arrow_acero_namespace::MakeExecNode(</div>
+<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <span class="stringliteral">"order_by_sink"</span>, plan.get(), {source},</div>
+<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  arrow_acero_namespace::OrderBySinkNodeOptions{</div>
+<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  arrow::compute::SortOptions{{arrow::compute::SortKey{</div>
+<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  column_name, arrow::compute::SortOrder::Ascending}}},</div>
+<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  &sink_gen})</div>
+<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  .status());</div>
+<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <span class="keywordflow">return</span> ExecutePlanAndCollectAsTable(*exec_context, plan,</div>
+<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  input_table->schema(), sink_gen);</div>
+<div class="line"><a name="l00879"></a><span class="lineno"> 879</span> }</div>
+<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  </div>
+<div class="line"><a name="l00881"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d"> 881</a></span> Result<std::shared_ptr<EdgeChunkWriter>> EdgeChunkWriter::Make(</div>
+<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  AdjListType adj_list_type, <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
+<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  <span class="keywordflow">if</span> (!edge_info->HasAdjacentListType(adj_list_type)) {</div>
+<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <span class="keywordflow">return</span> Status::KeyError(</div>
+<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  <span class="stringliteral">"The adjacent list type "</span>, AdjListTypeToString(adj_list_type),</div>
+<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <span class="stringliteral">" doesn't exist in edge "</span>, edge_info->GetEdgeLabel(), <span class="stringliteral">"."</span>);</div>
+<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  }</div>
+<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  <span class="keywordflow">return</span> std::make_shared<EdgeChunkWriter>(edge_info, prefix, adj_list_type,</div>
+<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  validate_level);</div>
+<div class="line"><a name="l00891"></a><span class="lineno"> 891</span> }</div>
+<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  </div>
+<div class="line"><a name="l00893"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a38831043cea6a6fcd2e796459b8e4c72"> 893</a></span> Result<std::shared_ptr<EdgeChunkWriter>> EdgeChunkWriter::Make(</div>
+<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& src_label,</div>
+<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <span class="keyword">const</span> std::string& edge_label, <span class="keyword">const</span> std::string& dst_label,</div>
+<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  AdjListType adj_list_type, <span class="keyword">const</span> ValidateLevel& validate_level) {</div>
+<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  <span class="keyword">auto</span> edge_info = graph_info->GetEdgeInfo(src_label, edge_label, dst_label);</div>
+<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="keywordflow">if</span> (!edge_info) {</div>
+<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="keywordflow">return</span> Status::KeyError(<span class="stringliteral">"The edge "</span>, src_label, <span class="stringliteral">" "</span>, edge_label, <span class="stringliteral">" "</span>,</div>
+<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  dst_label, <span class="stringliteral">" doesn't exist."</span>);</div>
+<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  }</div>
+<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <span class="keywordflow">return</span> Make(edge_info, graph_info->GetPrefix(), adj_list_type,</div>
+<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  validate_level);</div>
+<div class="line"><a name="l00904"></a><span class="lineno"> 904</span> }</div>
+<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  </div>
+<div class="line"><a name="l00906"></a><span class="lineno"> 906</span> std::string EdgeChunkWriter::getSortColumnName(AdjListType adj_list_type) {</div>
+<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  <span class="keywordflow">switch</span> (adj_list_type) {</div>
+<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_source:</div>
+<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
+<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_source:</div>
+<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
+<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  <span class="keywordflow">case</span> AdjListType::unordered_by_dest:</div>
+<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  <span class="keywordflow">return</span> GeneralParams::kDstIndexCol;</div>
+<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="keywordflow">case</span> AdjListType::ordered_by_dest:</div>
+<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <span class="keywordflow">return</span> GeneralParams::kDstIndexCol;</div>
+<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">default</span>:</div>
+<div class="line"><a name="l00917"></a><span class="lineno"> 917</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
+<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  }</div>
+<div class="line"><a name="l00919"></a><span class="lineno"> 919</span>  <span class="keywordflow">return</span> GeneralParams::kSrcIndexCol;</div>
+<div class="line"><a name="l00920"></a><span class="lineno"> 920</span> }</div>
+<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> } <span class="comment">// namespace graphar</span></div>
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a2552448a395acd1e3cc10e9db45ce877"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">graphar::EdgeChunkWriter::WritePropertyChunk</a></div><div class="ttdeci">Status WritePropertyChunk(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel va [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a69144b6a4bd4087b7401787d641ca772"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">graphar::EdgeChunkWriter::SortAndWriteAdjListTable</a></div><div class="ttdeci">Status SortAndWriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a7197f8501c2205dd6a5456d4bf1769fd"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">graphar::EdgeChunkWriter::WriteAdjListTable</a></div><div class="ttdeci">Status WriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a74d5ff66b247fb94b87db25442f98ee2"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">graphar::EdgeChunkWriter::WritePropertyTable</a></div><div class="ttdeci">Status WritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_index=0, Validate [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a785e601cffa83b78a9f64dd182cc0dfe"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">graphar::EdgeChunkWriter::EdgeChunkWriter</a></div><div class="ttdeci">EdgeChunkWriter(const std::shared_ptr< EdgeInfo > &edge_info, const std::string &prefix, AdjListType adj_list_type, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttdoc [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a9a9041e72a3d46e9fb8a2f1d2463489c"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">graphar::EdgeChunkWriter::WriteOffsetChunk</a></div><div class="ttdeci">Status WriteOffsetChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Validate and w [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aa2e0976953c5ef8a7015079c56b56c47"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">graphar::EdgeChunkWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aadbd1ad5299ab867d099ffc85528268a"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">graphar::EdgeChunkWriter::SortAndWriteTable</a></div><div class="ttdeci">Status SortAndWriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_ab859c5eb1f10b88c5d0af6ab71e0ec79"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">graphar::EdgeChunkWriter::SortAndWritePropertyTable</a></div><div class="ttdeci">Status SortAndWritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_ind [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_abbf227f722fcfaf5a330229d92dcc7d0"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">graphar::EdgeChunkWriter::WriteAdjListChunk</a></div><div class="ttdeci">Status WriteAdjListChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class= [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_abfa01f956f732e660eead056ce12f7c1"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">graphar::EdgeChunkWriter::WriteEdgesNum</a></div><div class="ttdeci">Status WriteEdgesNum(IdType vertex_chunk_index, const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of edges into the file.</div><div class= [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_adbe1029f7e8f1777da7e905ec0e0b0e4"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">graphar::EdgeChunkWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_af3796d4dd08e7d876281f53d039dad5f"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">graphar::EdgeChunkWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="ttdef"><b>Definit [...]
<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a1f9b2120c7a6b3e66f9f2e31021df67f"><div class="ttname"><a href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">graphar::Status::IndexError</a></div><div class="ttdeci">static Status IndexError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00197">status.h:197</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a3335cf4bf5cd222d5e29b01fe95e919a"><div class="ttname"><a href="classgraphar_1_1_status.html#a3335cf4bf5cd222d5e29b01fe95e919a">graphar::Status::TypeError</a></div><div class="ttdeci">static Status TypeError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00178">status.h:178</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a4ee4924ddadfc2c1effc055572084d71"><div class="ttname"><a href="classgraphar_1_1_status.html#a4ee4924ddadfc2c1effc055572084d71">graphar::Status::KeyError</a></div><div class="ttdeci">static Status KeyError(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00172">status.h:172</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_a9ca4be37aae8dfea7e6ef54920e0073f"><div class="ttname"><a href="classgraphar_1_1_status.html#a9ca4be37aae8dfea7e6ef54920e0073f">graphar::Status::Invalid</a></div><div class="ttdeci">static Status Invalid(Args &&... args)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00188">status.h:188</a></div></div>
<div class="ttc" id="aclassgraphar_1_1_status_html_ad92f5c41a661d4f468390e39da90f881"><div class="ttname"><a href="classgraphar_1_1_status.html#ad92f5c41a661d4f468390e39da90f881">graphar::Status::OK</a></div><div class="ttdeci">static Status OK()</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00157">status.h:157</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a0339d9ea7cdc643866152dddcf73f0f0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a0339d9ea7cdc643866152dddcf73f0f0">graphar::VertexPropertyWriter::VertexPropertyWriter</a></div><div class="ttdeci">VertexPropertyWriter(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttd [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a158664e3fe97a4d9a106edb1222f5dd2"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">graphar::VertexPropertyWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::string &file_name, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_addf40fb82fe987af091278e01995b87a"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">graphar::VertexPropertyWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="tt [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_adea3f0326fad64bc061bc5b01790ab47"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">graphar::VertexPropertyWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType start_chunk_index, ValidateLevel validate_level=ValidateL [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_ae8531118f1a44774e639c9ff644b3f6b"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">graphar::VertexPropertyWriter::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyWriter > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLev [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a0339d9ea7cdc643866152dddcf73f0f0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a0339d9ea7cdc643866152dddcf73f0f0">graphar::VertexPropertyWriter::VertexPropertyWriter</a></div><div class="ttdeci">VertexPropertyWriter(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttd [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a5bad3bb184de34c951b1dea21cb1dcd5"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">graphar::VertexPropertyWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel:: [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_addf40fb82fe987af091278e01995b87a"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">graphar::VertexPropertyWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="tt [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_adea3f0326fad64bc061bc5b01790ab47"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">graphar::VertexPropertyWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType start_chunk_index, ValidateLevel validate_level=ValidateL [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_ae8531118f1a44774e639c9ff644b3f6b"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">graphar::VertexPropertyWriter::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyWriter > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLev [...]
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Licensed to the Apache Software Foundation (ASF) under one
diff --git a/docs/cpp/arrow__chunk__writer_8h_source.html b/docs/cpp/chunk__writer_8h_source.html
similarity index 64%
rename from docs/cpp/arrow__chunk__writer_8h_source.html
rename to docs/cpp/chunk__writer_8h_source.html
index 995cfcc..bad20b6 100644
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@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: include/graphar/writer/arrow_chunk_writer.h Source File</title>
+<title>Apache GraphAr C++ Library: src/graphar/arrow/chunk_writer.h Source File</title>
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@@ -62,12 +62,12 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li><li class="navelem"><a class="el" href="dir_1039a7d3805251ab6e49a4d01cd876bf.html">writer</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_8eab286ef154dc33b7755fb8706324e6.html">arrow</a></li> </ul>
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<div class="header">
<div class="headertitle">
-<div class="title">arrow_chunk_writer.h</div> </div>
+<div class="title">chunk_writer.h</div> </div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
@@ -96,7 +96,7 @@ $(function() {
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "graphar/fwd.h"</span></div>
-<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/util/writer_util.h"</span></div>
+<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "graphar/writer_util.h"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// forward declaration</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>arrow {</div>
@@ -124,245 +124,226 @@ $(function() {
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">const</span> IdType& count,</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div>
-<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">WriteChunk</a>(</div>
-<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> std::string& file_name,</div>
-<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
-<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">WriteChunk</a>(</div>
-<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
+<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">WriteChunk</a>(</div>
+<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group, IdType chunk_index,</div>
+<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
+<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">WriteChunk</a>(</div>
+<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType chunk_index,</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
-<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">WriteChunk</a>(</div>
-<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table, IdType chunk_index,</div>
-<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
-<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(</div>
-<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  IdType start_chunk_index,</div>
-<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
-<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(</div>
-<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  IdType start_chunk_index,</div>
-<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
-<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">static</span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">Make</a>(</div>
-<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info, <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
-<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
-<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">static</span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">Make</a>(</div>
-<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
-<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
-<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
-<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">private</span>:</div>
-<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> IdType& count, ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
-<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  IdType chunk_index, ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  </div>
-<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  IdType chunk_index, ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
-<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  Result<std::shared_ptr<arrow::Table>> addIndexColumn(</div>
-<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& table, IdType chunk_index,</div>
-<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  IdType chunk_size) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  </div>
-<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">private</span>:</div>
-<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  std::shared_ptr<VertexInfo> vertex_info_;</div>
-<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  std::string prefix_;</div>
-<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  std::shared_ptr<FileSystem> fs_;</div>
-<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  ValidateLevel validate_level_;</div>
-<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> };</div>
-<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
-<div class="line"><a name="l00271"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html"> 271</a></span> <span class="keyword">class </span><a class="code" href="classgraphar_1_1_edge_chunk_writer.html">EdgeChunkWriter</a> {</div>
-<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keyword">public</span>:</div>
-<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keyword">explicit</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">EdgeChunkWriter</a>(</div>
-<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  AdjListType adj_list_type,</div>
-<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
-<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  </div>
-<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a1f66533c5776b9d83a53afaf2bed5985"> 294</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a1f66533c5776b9d83a53afaf2bed5985">SetValidateLevel</a>(<span class="keyword">const</span> ValidateLevel& validate_level) {</div>
-<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate) {</div>
-<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">return</span>;</div>
-<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div>
-<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  validate_level_ = validate_level;</div>
-<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div>
-<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
-<div class="line"><a name="l00306"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aebe01465e7e905506bc3b7c49f735fc9"> 306</a></span>  <span class="keyword">inline</span> ValidateLevel <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aebe01465e7e905506bc3b7c49f735fc9">GetValidateLevel</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> validate_level_; }</div>
-<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div>
-<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">WriteEdgesNum</a>(</div>
-<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  IdType vertex_chunk_index, <span class="keyword">const</span> IdType& count,</div>
-<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
-<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">WriteVerticesNum</a>(</div>
-<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keyword">const</span> IdType& count,</div>
+<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(</div>
+<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  IdType start_chunk_index,</div>
+<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
+<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(</div>
+<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  IdType start_chunk_index,</div>
+<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
+<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">static</span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">Make</a>(</div>
+<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">const</span> std::shared_ptr<VertexInfo>& vertex_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
+<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
+<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keyword">static</span> Result<std::shared_ptr<VertexPropertyWriter>> <a class="code" href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">Make</a>(</div>
+<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info, <span class="keyword">const</span> std::string& label,</div>
+<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
+<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  </div>
+<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> IdType& count, ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
+<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  IdType chunk_index, ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
+<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  IdType chunk_index, ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  </div>
+<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  Result<std::shared_ptr<arrow::Table>> addIndexColumn(</div>
+<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& table, IdType chunk_index,</div>
+<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  IdType chunk_size) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
+<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  std::shared_ptr<VertexInfo> vertex_info_;</div>
+<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  std::string prefix_;</div>
+<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  std::shared_ptr<FileSystem> fs_;</div>
+<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  ValidateLevel validate_level_;</div>
+<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> };</div>
+<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
+<div class="line"><a name="l00257"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html"> 257</a></span> <span class="keyword">class </span><a class="code" href="classgraphar_1_1_edge_chunk_writer.html">EdgeChunkWriter</a> {</div>
+<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">public</span>:</div>
+<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">explicit</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">EdgeChunkWriter</a>(</div>
+<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  AdjListType adj_list_type,</div>
+<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
+<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
+<div class="line"><a name="l00280"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#a1f66533c5776b9d83a53afaf2bed5985"> 280</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a1f66533c5776b9d83a53afaf2bed5985">SetValidateLevel</a>(<span class="keyword">const</span> ValidateLevel& validate_level) {</div>
+<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (validate_level == ValidateLevel::default_validate) {</div>
+<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span>;</div>
+<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div>
+<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  validate_level_ = validate_level;</div>
+<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</div>
+<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  </div>
+<div class="line"><a name="l00292"></a><span class="lineno"><a class="line" href="classgraphar_1_1_edge_chunk_writer.html#aebe01465e7e905506bc3b7c49f735fc9"> 292</a></span>  <span class="keyword">inline</span> ValidateLevel <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aebe01465e7e905506bc3b7c49f735fc9">GetValidateLevel</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> validate_level_; }</div>
+<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
+<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">WriteEdgesNum</a>(</div>
+<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  IdType vertex_chunk_index, <span class="keyword">const</span> IdType& count,</div>
+<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
+<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">WriteVerticesNum</a>(</div>
+<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">const</span> IdType& count,</div>
+<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  </div>
+<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">WriteOffsetChunk</a>(</div>
+<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  IdType vertex_chunk_index,</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  </div>
-<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">WriteOffsetChunk</a>(</div>
-<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keyword">const</span> std::string& file_name, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  </div>
-<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">WriteAdjListChunk</a>(</div>
-<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keyword">const</span> std::string& file_name, IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  IdType chunk_index,</div>
-<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div>
-<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(</div>
-<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keyword">const</span> std::string& file_name,</div>
-<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  </div>
-<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">WriteOffsetChunk</a>(</div>
-<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div>
-<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">WriteAdjListChunk</a>(</div>
-<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  </div>
-<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(</div>
-<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
-<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(</div>
-<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  </div>
-<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">WriteChunk</a>(</div>
-<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  </div>
-<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">WriteAdjListTable</a>(</div>
-<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  </div>
-<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(</div>
-<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  </div>
-<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(</div>
-<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
-<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">WriteTable</a>(</div>
-<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  </div>
-<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">SortAndWriteAdjListTable</a>(</div>
-<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  </div>
-<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">SortAndWritePropertyTable</a>(</div>
-<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  </div>
-<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">SortAndWritePropertyTable</a>(</div>
-<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  </div>
-<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">SortAndWriteTable</a>(</div>
-<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
-<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  </div>
-<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keyword">static</span> Result<std::shared_ptr<EdgeChunkWriter>> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d">Make</a>(</div>
-<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
-<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  AdjListType adj_list_type,</div>
-<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
-<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  </div>
-<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keyword">static</span> Result<std::shared_ptr<EdgeChunkWriter>> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d">Make</a>(</div>
-<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info,</div>
-<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keyword">const</span> std::string& src_label, <span class="keyword">const</span> std::string& edge_label,</div>
-<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keyword">const</span> std::string& dst_label, AdjListType adj_list_type,</div>
-<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
-<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  </div>
-<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keyword">private</span>:</div>
-<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(IdType count_or_index1, IdType count_or_index2,</div>
-<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  </div>
-<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  </div>
-<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  IdType vertex_chunk_index,</div>
-<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  </div>
-<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  </div>
-<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
-<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
-<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  </div>
-<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  Result<std::shared_ptr<arrow::Table>> getOffsetTable(</div>
-<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <span class="keyword">const</span> std::string& column_name, IdType vertex_chunk_index) <span class="keyword">const</span>;</div>
-<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  </div>
-<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keyword">static</span> std::string getSortColumnName(AdjListType adj_list_type);</div>
-<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  </div>
-<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  <span class="keyword">static</span> Result<std::shared_ptr<arrow::Table>> sortTable(</div>
-<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
-<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="keyword">const</span> std::string& column_name);</div>
-<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  </div>
-<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <span class="keyword">private</span>:</div>
-<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  std::shared_ptr<EdgeInfo> edge_info_;</div>
-<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  IdType vertex_chunk_size_;</div>
-<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  IdType chunk_size_;</div>
-<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  AdjListType adj_list_type_;</div>
-<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  std::string prefix_;</div>
-<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  std::shared_ptr<FileSystem> fs_;</div>
-<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  ValidateLevel validate_level_;</div>
-<div class="line"><a name="l00732"></a><span class="lineno"> 732</span> };</div>
-<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  </div>
-<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> } <span class="comment">// namespace graphar</span></div>
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></div><div class="ttdoc">The writer for edge (adj list, offset and property group) chunks.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__writer_8h_source.html#l00271">arrow_chunk_writer.h:271</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a1f66533c5776b9d83a53afaf2bed5985"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a1f66533c5776b9d83a53afaf2bed5985">graphar::EdgeChunkWriter::SetValidateLevel</a></div><div class="ttdeci">void SetValidateLevel(const ValidateLevel &validate_level)</div><div class="ttdoc">Set the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__writer_8h_source.html#l00294">arrow_chunk_ [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a5e4fea615937a48c2215e09f077ac7ef"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">graphar::EdgeChunkWriter::WritePropertyChunk</a></div><div class="ttdeci">Status WritePropertyChunk(const std::string &file_name, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel:: [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a69144b6a4bd4087b7401787d641ca772"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">graphar::EdgeChunkWriter::SortAndWriteAdjListTable</a></div><div class="ttdeci">Status SortAndWriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a7197f8501c2205dd6a5456d4bf1769fd"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">graphar::EdgeChunkWriter::WriteAdjListTable</a></div><div class="ttdeci">Status WriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a74d5ff66b247fb94b87db25442f98ee2"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">graphar::EdgeChunkWriter::WritePropertyTable</a></div><div class="ttdeci">Status WritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_index=0, Validate [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a785e601cffa83b78a9f64dd182cc0dfe"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">graphar::EdgeChunkWriter::EdgeChunkWriter</a></div><div class="ttdeci">EdgeChunkWriter(const std::shared_ptr< EdgeInfo > &edge_info, const std::string &prefix, AdjListType adj_list_type, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttdoc [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a7f3d853fc713852aa979408f8032979d"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d">graphar::EdgeChunkWriter::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< EdgeChunkWriter > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::string &prefix, AdjListType adj_list_type, const ValidateLevel &validate_level=Validate [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aa2e0976953c5ef8a7015079c56b56c47"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">graphar::EdgeChunkWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aadbd1ad5299ab867d099ffc85528268a"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">graphar::EdgeChunkWriter::SortAndWriteTable</a></div><div class="ttdeci">Status SortAndWriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_ab859c5eb1f10b88c5d0af6ab71e0ec79"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">graphar::EdgeChunkWriter::SortAndWritePropertyTable</a></div><div class="ttdeci">Status SortAndWritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_ind [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_abfa01f956f732e660eead056ce12f7c1"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">graphar::EdgeChunkWriter::WriteEdgesNum</a></div><div class="ttdeci">Status WriteEdgesNum(IdType vertex_chunk_index, const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of edges into the file.</div><div class= [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_adbe1029f7e8f1777da7e905ec0e0b0e4"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">graphar::EdgeChunkWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aea77e6d1bad16efd45429f3c9ce6fe26"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">graphar::EdgeChunkWriter::WriteAdjListChunk</a></div><div class="ttdeci">Status WriteAdjListChunk(const std::string &file_name, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Copy a file as an ad [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aebe01465e7e905506bc3b7c49f735fc9"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aebe01465e7e905506bc3b7c49f735fc9">graphar::EdgeChunkWriter::GetValidateLevel</a></div><div class="ttdeci">ValidateLevel GetValidateLevel() const</div><div class="ttdoc">Get the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__writer_8h_source.html#l00306">arrow_chunk_writer.h:306</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aed5424b189097dfb70437fccbca9836c"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">graphar::EdgeChunkWriter::WriteOffsetChunk</a></div><div class="ttdeci">Status WriteOffsetChunk(const std::string &file_name, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Copy a file as a offset chunk.</div><div c [...]
-<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_af3796d4dd08e7d876281f53d039dad5f"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">graphar::EdgeChunkWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="ttdef"><b>Definit [...]
+<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">WriteAdjListChunk</a>(</div>
+<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  </div>
+<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(</div>
+<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  </div>
+<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(</div>
+<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  </div>
+<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">WriteChunk</a>(</div>
+<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  </div>
+<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">WriteAdjListTable</a>(</div>
+<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  </div>
+<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(</div>
+<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  </div>
+<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(</div>
+<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  </div>
+<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">WriteTable</a>(</div>
+<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
+<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">SortAndWriteAdjListTable</a>(</div>
+<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  </div>
+<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">SortAndWritePropertyTable</a>(</div>
+<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  </div>
+<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">SortAndWritePropertyTable</a>(</div>
+<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  </div>
+<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">SortAndWriteTable</a>(</div>
+<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  IdType vertex_chunk_index, IdType start_chunk_index = 0,</div>
+<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  ValidateLevel validate_level = ValidateLevel::default_validate) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  </div>
+<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keyword">static</span> Result<std::shared_ptr<EdgeChunkWriter>> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d">Make</a>(</div>
+<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keyword">const</span> std::shared_ptr<EdgeInfo>& edge_info, <span class="keyword">const</span> std::string& prefix,</div>
+<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  AdjListType adj_list_type,</div>
+<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
+<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  </div>
+<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keyword">static</span> Result<std::shared_ptr<EdgeChunkWriter>> <a class="code" href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d">Make</a>(</div>
+<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keyword">const</span> std::shared_ptr<GraphInfo>& graph_info,</div>
+<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keyword">const</span> std::string& src_label, <span class="keyword">const</span> std::string& edge_label,</div>
+<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keyword">const</span> std::string& dst_label, AdjListType adj_list_type,</div>
+<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keyword">const</span> ValidateLevel& validate_level = ValidateLevel::no_validate);</div>
+<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
+<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(IdType count_or_index1, IdType count_or_index2,</div>
+<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  </div>
+<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  </div>
+<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  IdType vertex_chunk_index,</div>
+<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  </div>
+<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  </div>
+<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <a class="code" href="classgraphar_1_1_status.html">Status</a> validate(<span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="keyword">const</span> std::shared_ptr<PropertyGroup>& property_group,</div>
+<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  IdType vertex_chunk_index, IdType chunk_index,</div>
+<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  ValidateLevel validate_level) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  </div>
+<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  Result<std::shared_ptr<arrow::Table>> getOffsetTable(</div>
+<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  <span class="keyword">const</span> std::string& column_name, IdType vertex_chunk_index) <span class="keyword">const</span>;</div>
+<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  </div>
+<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keyword">static</span> std::string getSortColumnName(AdjListType adj_list_type);</div>
+<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  </div>
+<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keyword">static</span> Result<std::shared_ptr<arrow::Table>> sortTable(</div>
+<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keyword">const</span> std::shared_ptr<arrow::Table>& input_table,</div>
+<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="keyword">const</span> std::string& column_name);</div>
+<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  </div>
+<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keyword">private</span>:</div>
+<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  std::shared_ptr<EdgeInfo> edge_info_;</div>
+<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  IdType vertex_chunk_size_;</div>
+<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  IdType chunk_size_;</div>
+<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  AdjListType adj_list_type_;</div>
+<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  std::string prefix_;</div>
+<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  std::shared_ptr<FileSystem> fs_;</div>
+<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  ValidateLevel validate_level_;</div>
+<div class="line"><a name="l00673"></a><span class="lineno"> 673</span> };</div>
+<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  </div>
+<div class="line"><a name="l00675"></a><span class="lineno"> 675</span> } <span class="comment">// namespace graphar</span></div>
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></div><div class="ttdoc">The writer for edge (adj list, offset and property group) chunks.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8h_source.html#l00257">chunk_writer.h:257</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a1f66533c5776b9d83a53afaf2bed5985"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a1f66533c5776b9d83a53afaf2bed5985">graphar::EdgeChunkWriter::SetValidateLevel</a></div><div class="ttdeci">void SetValidateLevel(const ValidateLevel &validate_level)</div><div class="ttdoc">Set the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8h_source.html#l00280">chunk_writer.h:280< [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a2552448a395acd1e3cc10e9db45ce877"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">graphar::EdgeChunkWriter::WritePropertyChunk</a></div><div class="ttdeci">Status WritePropertyChunk(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel va [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a69144b6a4bd4087b7401787d641ca772"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a69144b6a4bd4087b7401787d641ca772">graphar::EdgeChunkWriter::SortAndWriteAdjListTable</a></div><div class="ttdeci">Status SortAndWriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a7197f8501c2205dd6a5456d4bf1769fd"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">graphar::EdgeChunkWriter::WriteAdjListTable</a></div><div class="ttdeci">Status WriteAdjListTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a74d5ff66b247fb94b87db25442f98ee2"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">graphar::EdgeChunkWriter::WritePropertyTable</a></div><div class="ttdeci">Status WritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_index=0, Validate [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a785e601cffa83b78a9f64dd182cc0dfe"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a785e601cffa83b78a9f64dd182cc0dfe">graphar::EdgeChunkWriter::EdgeChunkWriter</a></div><div class="ttdeci">EdgeChunkWriter(const std::shared_ptr< EdgeInfo > &edge_info, const std::string &prefix, AdjListType adj_list_type, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttdoc [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a7f3d853fc713852aa979408f8032979d"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a7f3d853fc713852aa979408f8032979d">graphar::EdgeChunkWriter::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< EdgeChunkWriter > > Make(const std::shared_ptr< EdgeInfo > &edge_info, const std::string &prefix, AdjListType adj_list_type, const ValidateLevel &validate_level=Validate [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_a9a9041e72a3d46e9fb8a2f1d2463489c"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">graphar::EdgeChunkWriter::WriteOffsetChunk</a></div><div class="ttdeci">Status WriteOffsetChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Validate and w [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aa2e0976953c5ef8a7015079c56b56c47"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">graphar::EdgeChunkWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aadbd1ad5299ab867d099ffc85528268a"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">graphar::EdgeChunkWriter::SortAndWriteTable</a></div><div class="ttdeci">Status SortAndWriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><di [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_ab859c5eb1f10b88c5d0af6ab71e0ec79"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">graphar::EdgeChunkWriter::SortAndWritePropertyTable</a></div><div class="ttdeci">Status SortAndWritePropertyTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_ind [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_abbf227f722fcfaf5a330229d92dcc7d0"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">graphar::EdgeChunkWriter::WriteAdjListChunk</a></div><div class="ttdeci">Status WriteAdjListChunk(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class= [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_abfa01f956f732e660eead056ce12f7c1"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">graphar::EdgeChunkWriter::WriteEdgesNum</a></div><div class="ttdeci">Status WriteEdgesNum(IdType vertex_chunk_index, const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of edges into the file.</div><div class= [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_adbe1029f7e8f1777da7e905ec0e0b0e4"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">graphar::EdgeChunkWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc [...]
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_aebe01465e7e905506bc3b7c49f735fc9"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#aebe01465e7e905506bc3b7c49f735fc9">graphar::EdgeChunkWriter::GetValidateLevel</a></div><div class="ttdeci">ValidateLevel GetValidateLevel() const</div><div class="ttdoc">Get the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8h_source.html#l00292">chunk_writer.h:292</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_edge_chunk_writer_html_af3796d4dd08e7d876281f53d039dad5f"><div class="ttname"><a href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">graphar::EdgeChunkWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="ttdef"><b>Definit [...]
<div class="ttc" id="aclassgraphar_1_1_status_html"><div class="ttname"><a href="classgraphar_1_1_status.html">graphar::Status</a></div><div class="ttdoc">Status outcome object (success or error)</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00123">status.h:123</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></div><div class="ttdoc">The writer for vertex property group chunks.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__writer_8h_source.html#l00057">arrow_chunk_writer.h:57</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a0339d9ea7cdc643866152dddcf73f0f0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a0339d9ea7cdc643866152dddcf73f0f0">graphar::VertexPropertyWriter::VertexPropertyWriter</a></div><div class="ttdeci">VertexPropertyWriter(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttd [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a158664e3fe97a4d9a106edb1222f5dd2"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">graphar::VertexPropertyWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::string &file_name, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</div [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a1f4a62c950ac2d71204a1e0ecf4b4787"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a1f4a62c950ac2d71204a1e0ecf4b4787">graphar::VertexPropertyWriter::GetValidateLevel</a></div><div class="ttdeci">ValidateLevel GetValidateLevel() const</div><div class="ttdoc">Get the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__writer_8h_source.html#l00090">arrow_chunk_writer.h: [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a9ef1eba6f5508f5a83423bbe8bb12c9b"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a9ef1eba6f5508f5a83423bbe8bb12c9b">graphar::VertexPropertyWriter::SetValidateLevel</a></div><div class="ttdeci">void SetValidateLevel(const ValidateLevel &validate_level)</div><div class="ttdoc">Set the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="arrow__chunk__writer_8h_source.html#l0007 [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_addf40fb82fe987af091278e01995b87a"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">graphar::VertexPropertyWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="tt [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_adea3f0326fad64bc061bc5b01790ab47"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">graphar::VertexPropertyWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType start_chunk_index, ValidateLevel validate_level=ValidateL [...]
-<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_ae8531118f1a44774e639c9ff644b3f6b"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">graphar::VertexPropertyWriter::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyWriter > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLev [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></div><div class="ttdoc">The writer for vertex property group chunks.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8h_source.html#l00057">chunk_writer.h:57</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a0339d9ea7cdc643866152dddcf73f0f0"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a0339d9ea7cdc643866152dddcf73f0f0">graphar::VertexPropertyWriter::VertexPropertyWriter</a></div><div class="ttdeci">VertexPropertyWriter(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</div><div class="ttd [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a1f4a62c950ac2d71204a1e0ecf4b4787"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a1f4a62c950ac2d71204a1e0ecf4b4787">graphar::VertexPropertyWriter::GetValidateLevel</a></div><div class="ttdeci">ValidateLevel GetValidateLevel() const</div><div class="ttdoc">Get the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8h_source.html#l00090">chunk_writer.h:90</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a5bad3bb184de34c951b1dea21cb1dcd5"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">graphar::VertexPropertyWriter::WriteChunk</a></div><div class="ttdeci">Status WriteChunk(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel:: [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_a9ef1eba6f5508f5a83423bbe8bb12c9b"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#a9ef1eba6f5508f5a83423bbe8bb12c9b">graphar::VertexPropertyWriter::SetValidateLevel</a></div><div class="ttdeci">void SetValidateLevel(const ValidateLevel &validate_level)</div><div class="ttdoc">Set the validate level.</div><div class="ttdef"><b>Definition:</b> <a href="chunk__writer_8h_source.html#l00078">chun [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_addf40fb82fe987af091278e01995b87a"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">graphar::VertexPropertyWriter::WriteVerticesNum</a></div><div class="ttdeci">Status WriteVerticesNum(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</div><div class="ttdoc">Write the number of vertices into the file.</div><div class="tt [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_adea3f0326fad64bc061bc5b01790ab47"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">graphar::VertexPropertyWriter::WriteTable</a></div><div class="ttdeci">Status WriteTable(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType start_chunk_index, ValidateLevel validate_level=ValidateL [...]
+<div class="ttc" id="aclassgraphar_1_1_vertex_property_writer_html_ae8531118f1a44774e639c9ff644b3f6b"><div class="ttname"><a href="classgraphar_1_1_vertex_property_writer.html#ae8531118f1a44774e639c9ff644b3f6b">graphar::VertexPropertyWriter::Make</a></div><div class="ttdeci">static Result< std::shared_ptr< VertexPropertyWriter > > Make(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLev [...]
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@@ -79,7 +79,7 @@ $(function() {
<dd><a class="el" href="classgraphar_1_1_data_type.html">DataType</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_date.html">Date</a> (graphar)</dd></dl>
<dl class="classindex odd">
<dt class="alphachar"><a name="letter_E">E</a></dt>
-<dd><a class="el" href="classgraphar_1_1_edge.html">Edge</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1builder_1_1_edge.html">Edge</a> (graphar::builder)</dd><dd><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">EdgeChunkWriter</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_edge_info.html">EdgeInfo</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_edge_iter.html">EdgeIter</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1builder_1_1_edg [...]
+<dd><a class="el" href="classgraphar_1_1_edge.html">Edge</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1builder_1_1_edge.html">Edge</a> (graphar::builder)</dd><dd><a class="el" href="classgraphar_1_1_edge_chunk_info_writer.html">EdgeChunkInfoWriter</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">EdgeChunkWriter</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_edge_info.html">EdgeInfo</a> (graphar)</dd><dd><a class="el" href="classgr [...]
<dl class="classindex even">
<dt class="alphachar"><a name="letter_F">F</a></dt>
<dd><a class="el" href="classgraphar_1_1_file_system.html">FileSystem</a> (graphar)</dd><dd><a class="el" href="structgraphar_1_1util_1_1_filter_options.html">FilterOptions</a> (graphar::util)</dd></dl>
@@ -106,7 +106,7 @@ $(function() {
<dd><a class="el" href="classgraphar_1_1_u_b_d_edges_collection.html">UBDEdgesCollection</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_u_b_s_edges_collection.html">UBSEdgesCollection</a> (graphar)</dd></dl>
<dl class="classindex even">
<dt class="alphachar"><a name="letter_V">V</a></dt>
-<dd><a class="el" href="structgraphar_1_1util_1_1_value_getter.html">ValueGetter</a> (graphar::util)</dd><dd><a class="el" href="structgraphar_1_1util_1_1_value_getter_3_01std_1_1string_01_4.html">ValueGetter< std::string ></a> (graphar::util)</dd><dd><a class="el" href="classgraphar_1_1builder_1_1_vertex.html">Vertex</a> (graphar::builder)</dd><dd><a class="el" href="classgraphar_1_1_vertex.html">Vertex</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_vertex_info.html">V [...]
+<dd><a class="el" href="structgraphar_1_1util_1_1_value_getter.html">ValueGetter</a> (graphar::util)</dd><dd><a class="el" href="structgraphar_1_1util_1_1_value_getter_3_01std_1_1string_01_4.html">ValueGetter< std::string ></a> (graphar::util)</dd><dd><a class="el" href="classgraphar_1_1builder_1_1_vertex.html">Vertex</a> (graphar::builder)</dd><dd><a class="el" href="classgraphar_1_1_vertex.html">Vertex</a> (graphar)</dd><dd><a class="el" href="classgraphar_1_1_vertex_chunk_info_w [...]
<dl class="classindex odd">
<dt class="alphachar"><a name="letter_Y">Y</a></dt>
<dd><a class="el" href="classgraphar_1_1_yaml.html">Yaml</a> (graphar)</dd></dl>
diff --git a/docs/cpp/classgraphar_1_1_adj_list_arrow_chunk_reader.html b/docs/cpp/classgraphar_1_1_adj_list_arrow_chunk_reader.html
index 49b4f35..f8d8626 100644
--- a/docs/cpp/classgraphar_1_1_adj_list_arrow_chunk_reader.html
+++ b/docs/cpp/classgraphar_1_1_adj_list_arrow_chunk_reader.html
@@ -79,7 +79,7 @@ $(function() {
<p>The arrow chunk reader for adj list topology chunk.
<a href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>></code></p>
+<p><code>#include <<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
@@ -107,7 +107,7 @@ Public Member Functions</h2></td></tr>
<tr class="separator:a2be422d83a4be97a41a696473fc18911"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab318bfb7bd7ea5b7f44d82e4d3a7137a"><td class="memItemLeft" align="right" valign="top"><a id="ab318bfb7bd7ea5b7f44d82e4d3a7137a"></a>
Result< std::shared_ptr< arrow::Table > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#ab318bfb7bd7ea5b7f44d82e4d3a7137a">GetChunk</a> ()</td></tr>
-<tr class="memdesc:ab318bfb7bd7ea5b7f44d82e4d3a7137a"><td class="mdescLeft"> </td><td class="mdescRight">Return the current chunk of chunk position indicator as arrow::Table. <br /></td></tr>
+<tr class="memdesc:ab318bfb7bd7ea5b7f44d82e4d3a7137a"><td class="mdescLeft"> </td><td class="mdescRight">Return the current chunk of chunk position indicator as arrow::Table, if the chunk is empty, return nullptr. <br /></td></tr>
<tr class="separator:ab318bfb7bd7ea5b7f44d82e4d3a7137a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9e9d910308128f62918fef54fe1c95f4"><td class="memItemLeft" align="right" valign="top"><a id="a9e9d910308128f62918fef54fe1c95f4"></a>
Result< IdType > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_adj_list_arrow_chunk_reader.html#a9e9d910308128f62918fef54fe1c95f4">GetRowNumOfChunk</a> ()</td></tr>
@@ -132,7 +132,7 @@ Static Public Member Functions</h2></td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The arrow chunk reader for adj list topology chunk. </p>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8h_source.html#l00158">158</a> of file <a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8h_source.html#l00158">158</a> of file <a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a91731fb764a5b3ca935e15e36300fe46"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a91731fb764a5b3ca935e15e36300fe46">◆ </a></span>AdjListArrowChunkReader()</h2>
@@ -176,7 +176,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00249">249</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00250">250</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -231,7 +231,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00429">429</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00437">437</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -299,7 +299,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00441">441</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00449">449</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -321,7 +321,7 @@ Static Public Member Functions</h2></td></tr>
<p>Sets chunk position indicator to next chunk. </p>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or EndOfChunk error if the reader is at the end of current vertex chunk, or IndexError error if the reader is at the end of all vertex chunks. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00381">381</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00389">389</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -349,7 +349,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00348">348</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00349">349</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -389,7 +389,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00402">402</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00410">410</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -417,7 +417,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00316">316</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00317">317</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -445,13 +445,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00283">283</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00284">284</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a></li>
-<li>src/<a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_adj_list_chunk_info_reader.html b/docs/cpp/classgraphar_1_1_adj_list_chunk_info_reader.html
index 16fde26..d4d26e6 100644
--- a/docs/cpp/classgraphar_1_1_adj_list_chunk_info_reader.html
+++ b/docs/cpp/classgraphar_1_1_adj_list_chunk_info_reader.html
@@ -160,7 +160,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00112">112</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00113">113</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -181,7 +181,7 @@ Static Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>Return the current chunk file path of chunk position indicator. </p>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00207">207</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00208">208</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -235,7 +235,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00231">231</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00232">232</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -303,7 +303,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00243">243</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00244">244</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -324,7 +324,7 @@ Static Public Member Functions</h2></td></tr>
<p>Sets chunk position indicator to next chunk.</p>
<p>if current chunk is the last chunk, will return <a class="el" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a> error. </p>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00214">214</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00215">215</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -352,7 +352,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00197">197</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00198">198</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -380,7 +380,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00165">165</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00166">166</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -408,13 +408,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00132">132</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00133">133</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
-<li>src/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html b/docs/cpp/classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html
index a1c785a..34b209f 100644
--- a/docs/cpp/classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html
+++ b/docs/cpp/classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html
@@ -79,7 +79,7 @@ $(function() {
<p>The arrow chunk reader for edge offset.
<a href="classgraphar_1_1_adj_list_offset_arrow_chunk_reader.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>></code></p>
+<p><code>#include <<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
@@ -120,7 +120,7 @@ Static Public Member Functions</h2></td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The arrow chunk reader for edge offset. </p>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8h_source.html#l00271">271</a> of file <a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8h_source.html#l00271">271</a> of file <a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a22b31574cd4c3e5539c47e84ec308f10"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a22b31574cd4c3e5539c47e84ec308f10">◆ </a></span>AdjListOffsetArrowChunkReader()</h2>
@@ -164,7 +164,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00460">460</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00468">468</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -219,7 +219,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00536">536</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00544">544</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -287,7 +287,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00549">549</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00557">557</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -315,13 +315,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00490">490</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00498">498</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a></li>
-<li>src/<a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_adj_list_offset_chunk_info_reader.html b/docs/cpp/classgraphar_1_1_adj_list_offset_chunk_info_reader.html
index a3809e1..1820bbc 100644
--- a/docs/cpp/classgraphar_1_1_adj_list_offset_chunk_info_reader.html
+++ b/docs/cpp/classgraphar_1_1_adj_list_offset_chunk_info_reader.html
@@ -153,7 +153,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00255">255</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00256">256</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -208,7 +208,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00311">311</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00312">312</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -276,7 +276,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00324">324</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00325">325</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -297,7 +297,7 @@ Static Public Member Functions</h2></td></tr>
<p>Sets chunk position indicator to next chunk.</p>
<p>if current chunk is the last chunk, will return <a class="el" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a> error. </p>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00301">301</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00302">302</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -325,13 +325,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00284">284</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00285">285</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
-<li>src/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_adj_list_property_arrow_chunk_reader.html b/docs/cpp/classgraphar_1_1_adj_list_property_arrow_chunk_reader.html
index 03d332f..49b23fe 100644
--- a/docs/cpp/classgraphar_1_1_adj_list_property_arrow_chunk_reader.html
+++ b/docs/cpp/classgraphar_1_1_adj_list_property_arrow_chunk_reader.html
@@ -79,7 +79,7 @@ $(function() {
<p>The arrow chunk reader for edge property group chunks.
<a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>></code></p>
+<p><code>#include <<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
@@ -107,7 +107,7 @@ Public Member Functions</h2></td></tr>
<tr class="separator:acb450e4cb7a085e85f2f61295a4b4995"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f7a1597be255fbb0843168e7a86bbbf"><td class="memItemLeft" align="right" valign="top"><a id="a5f7a1597be255fbb0843168e7a86bbbf"></a>
Result< std::shared_ptr< arrow::Table > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#a5f7a1597be255fbb0843168e7a86bbbf">GetChunk</a> ()</td></tr>
-<tr class="memdesc:a5f7a1597be255fbb0843168e7a86bbbf"><td class="mdescLeft"> </td><td class="mdescRight">Return the current chunk of chunk position indicator as arrow::Table. <br /></td></tr>
+<tr class="memdesc:a5f7a1597be255fbb0843168e7a86bbbf"><td class="mdescLeft"> </td><td class="mdescRight">Return the current chunk of chunk position indicator as arrow::Table, if the chunk is empty, return nullptr. <br /></td></tr>
<tr class="separator:a5f7a1597be255fbb0843168e7a86bbbf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab1d5cbd48b4c53040aff0671ecf4e073"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">next_chunk</a> ()</td></tr>
<tr class="memdesc:ab1d5cbd48b4c53040aff0671ecf4e073"><td class="mdescLeft"> </td><td class="mdescRight">Sets chunk position indicator to next chunk. <a href="classgraphar_1_1_adj_list_property_arrow_chunk_reader.html#ab1d5cbd48b4c53040aff0671ecf4e073">More...</a><br /></td></tr>
@@ -137,7 +137,7 @@ Static Public Member Functions</h2></td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The arrow chunk reader for edge property group chunks. </p>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8h_source.html#l00355">355</a> of file <a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8h_source.html#l00355">355</a> of file <a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a4a8d7cabf311ed3179710d319451f30a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4a8d7cabf311ed3179710d319451f30a">◆ </a></span>AdjListPropertyArrowChunkReader()</h2>
@@ -194,7 +194,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00561">561</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00569">569</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -223,7 +223,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00750">750</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00765">765</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -291,7 +291,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00759">759</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00774">774</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -373,7 +373,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00774">774</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00789">789</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -455,7 +455,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00789">789</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00804">804</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -477,7 +477,7 @@ Static Public Member Functions</h2></td></tr>
<p>Sets chunk position indicator to next chunk. </p>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or EndOfChunk error if the reader is at the end of current vertex chunk, or IndexError error if the reader is at the end of all vertex chunks. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00711">711</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00726">726</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -505,7 +505,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00669">669</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00677">677</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -545,7 +545,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00735">735</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00750">750</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -573,7 +573,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00638">638</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00646">646</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -601,7 +601,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00606">606</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00614">614</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -629,13 +629,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00754">754</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00769">769</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a></li>
-<li>src/<a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_adj_list_property_chunk_info_reader.html b/docs/cpp/classgraphar_1_1_adj_list_property_chunk_info_reader.html
index 8d59f00..1d3952d 100644
--- a/docs/cpp/classgraphar_1_1_adj_list_property_chunk_info_reader.html
+++ b/docs/cpp/classgraphar_1_1_adj_list_property_chunk_info_reader.html
@@ -170,7 +170,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00337">337</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00338">338</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -191,7 +191,7 @@ Static Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>Return the current chunk file path of chunk position indicator. </p>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00435">435</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00436">436</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -252,7 +252,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00464">464</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00465">465</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -327,7 +327,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00478">478</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00479">479</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -402,7 +402,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00493">493</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00494">494</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -423,7 +423,7 @@ Static Public Member Functions</h2></td></tr>
<p>Sets chunk position indicator to next chunk.</p>
<p>if current chunk is the last chunk, will return <a class="el" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a> error. </p>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00443">443</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00444">444</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -451,7 +451,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00424">424</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00425">425</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
@@ -479,7 +479,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00392">392</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00393">393</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
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@@ -507,13 +507,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00360">360</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00361">361</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
-<li>src/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_adjacent_list.html b/docs/cpp/classgraphar_1_1_adjacent_list.html
index 2a20fc1..cd1d8b5 100644
--- a/docs/cpp/classgraphar_1_1_adjacent_list.html
+++ b/docs/cpp/classgraphar_1_1_adjacent_list.html
@@ -263,8 +263,8 @@ Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_array.html b/docs/cpp/classgraphar_1_1_array.html
index 3eb68c5..a287821 100644
--- a/docs/cpp/classgraphar_1_1_array.html
+++ b/docs/cpp/classgraphar_1_1_array.html
@@ -130,8 +130,8 @@ class graphar::Array< T ></h3>
<p class="definition">Definition at line <a class="el" href="util_8h_source.html#l00042">42</a> of file <a class="el" href="util_8h_source.html">util.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="fwd_8h_source.html">fwd.h</a></li>
-<li>include/graphar/util/<a class="el" href="util_8h_source.html">util.h</a></li>
+<li>src/graphar/<a class="el" href="fwd_8h_source.html">fwd.h</a></li>
+<li>src/graphar/<a class="el" href="util_8h_source.html">util.h</a></li>
</ul>
</div><!-- contents -->
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diff --git a/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4.html b/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4.html
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--- a/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4.html
+++ b/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4.html
@@ -124,7 +124,7 @@ const iterator </td><td class="memItemRight" valign="bottom"><b>end</b> ()
<div class="textblock">
<p class="definition">Definition at line <a class="el" href="util_8h_source.html#l00081">81</a> of file <a class="el" href="util_8h_source.html">util.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="util_8h_source.html">util.h</a></li>
+<li>src/graphar/<a class="el" href="util_8h_source.html">util.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4_1_1iterator.html b/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4_1_1iterator.html
index 29ed70f..c9abc83 100644
--- a/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4_1_1iterator.html
+++ b/docs/cpp/classgraphar_1_1_array_3_01std_1_1string__view_01_4_1_1iterator.html
@@ -102,7 +102,7 @@ bool </td><td class="memItemRight" valign="bottom"><b>operator!=</b> (const
<div class="textblock">
<p class="definition">Definition at line <a class="el" href="util_8h_source.html#l00085">85</a> of file <a class="el" href="util_8h_source.html">util.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="util_8h_source.html">util.h</a></li>
+<li>src/graphar/<a class="el" href="util_8h_source.html">util.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_data_type.html b/docs/cpp/classgraphar_1_1_data_type.html
index c6a8b05..97b1db4 100644
--- a/docs/cpp/classgraphar_1_1_data_type.html
+++ b/docs/cpp/classgraphar_1_1_data_type.html
@@ -78,7 +78,7 @@ $(function() {
<p>The <a class="el" href="classgraphar_1_1_data_type.html" title="The DataType struct to provide enum type for data type and functions to parse data type.">DataType</a> struct to provide enum type for data type and functions to parse data type.
<a href="classgraphar_1_1_data_type.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="data__type_8h_source.html">data_type.h</a>></code></p>
+<p><code>#include <<a class="el" href="types_8h_source.html">types.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -133,7 +133,7 @@ static std::shared_ptr< <a class="el" href="classgraphar_1_1_data_type.html">
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The <a class="el" href="classgraphar_1_1_data_type.html" title="The DataType struct to provide enum type for data type and functions to parse data type.">DataType</a> struct to provide enum type for data type and functions to parse data type. </p>
-<p class="definition">Definition at line <a class="el" href="data__type_8h_source.html#l00076">76</a> of file <a class="el" href="data__type_8h_source.html">data_type.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="types_8h_source.html#l00077">77</a> of file <a class="el" href="types_8h_source.html">types.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a97eefbeeff497ed919fc6fb3d9b01842"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a97eefbeeff497ed919fc6fb3d9b01842">◆ </a></span>id()</h2>
@@ -159,13 +159,13 @@ static std::shared_ptr< <a class="el" href="classgraphar_1_1_data_type.html">
</div><div class="memdoc">
<p>Return the type category of the <a class="el" href="classgraphar_1_1_data_type.html" title="The DataType struct to provide enum type for data type and functions to parse data type.">DataType</a>. </p>
-<p class="definition">Definition at line <a class="el" href="data__type_8h_source.html#l00127">127</a> of file <a class="el" href="data__type_8h_source.html">data_type.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="types_8h_source.html#l00128">128</a> of file <a class="el" href="types_8h_source.html">types.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="data__type_8h_source.html">data_type.h</a></li>
-<li>src/<a class="el" href="data__type_8cc_source.html">data_type.cc</a></li>
+<li>src/graphar/<a class="el" href="types_8h_source.html">types.h</a></li>
+<li>src/graphar/<a class="el" href="types_8cc_source.html">types.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_date.html b/docs/cpp/classgraphar_1_1_date.html
index 772433f..408097d 100644
--- a/docs/cpp/classgraphar_1_1_date.html
+++ b/docs/cpp/classgraphar_1_1_date.html
@@ -92,9 +92,9 @@ c_type </td><td class="memItemRight" valign="bottom"><b>value</b> () const<
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock">
-<p class="definition">Definition at line <a class="el" href="data__type_8h_source.html#l00150">150</a> of file <a class="el" href="data__type_8h_source.html">data_type.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="types_8h_source.html#l00151">151</a> of file <a class="el" href="types_8h_source.html">types.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="data__type_8h_source.html">data_type.h</a></li>
+<li>src/graphar/<a class="el" href="types_8h_source.html">types.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_edge.html b/docs/cpp/classgraphar_1_1_edge.html
index 1cd9e22..28f6f93 100644
--- a/docs/cpp/classgraphar_1_1_edge.html
+++ b/docs/cpp/classgraphar_1_1_edge.html
@@ -77,7 +77,7 @@ $(function() {
<p><a class="el" href="classgraphar_1_1_edge.html" title="Edge contains information of certain edge.">Edge</a> contains information of certain edge.
<a href="classgraphar_1_1_edge.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -104,7 +104,7 @@ template<> </td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classgraphar_1_1_edge.html" title="Edge contains information of certain edge.">Edge</a> contains information of certain edge. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00103">103</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00103">103</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a338400a57cda9d0ef9af7ae5e462178d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a338400a57cda9d0ef9af7ae5e462178d">◆ </a></span>Edge()</h2>
@@ -148,7 +148,7 @@ template<> </td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00172">172</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00172">172</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -179,7 +179,7 @@ template<> </td></tr>
<p>Get destination id of the edge. </p>
<dl class="section return"><dt>Returns</dt><dd>The id of the destination vertex. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00127">127</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00127">127</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -216,7 +216,7 @@ template<> </td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd>True if value at the property is valid, False otherwise. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00144">144</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00144">144</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -247,7 +247,7 @@ template<typename T > </div>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Result: The property value or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00205">205</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00205">205</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -277,13 +277,13 @@ template<typename T > </div>
<p>Get source id of the edge. </p>
<dl class="section return"><dt>Returns</dt><dd>The id of the source vertex. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00120">120</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00120">120</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
-<li>src/<a class="el" href="graph_8cc_source.html">graph.cc</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/dir_1039a7d3805251ab6e49a4d01cd876bf.html b/docs/cpp/classgraphar_1_1_edge_chunk_info_writer-members.html
similarity index 90%
copy from docs/cpp/dir_1039a7d3805251ab6e49a4d01cd876bf.html
copy to docs/cpp/classgraphar_1_1_edge_chunk_info_writer-members.html
index 4481650..4d4e5db 100644
--- a/docs/cpp/dir_1039a7d3805251ab6e49a4d01cd876bf.html
+++ b/docs/cpp/classgraphar_1_1_edge_chunk_info_writer-members.html
@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: include/graphar/writer Directory Reference</title>
+<title>Apache GraphAr C++ Library: Member List</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,14 +62,16 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li><li class="navelem"><a class="el" href="dir_1039a7d3805251ab6e49a4d01cd876bf.html">writer</a></li> </ul>
+<li class="navelem"><b>graphar</b></li><li class="navelem"><a class="el" href="classgraphar_1_1_edge_chunk_info_writer.html">EdgeChunkInfoWriter</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">writer Directory Reference</div> </div>
+<div class="title">graphar::EdgeChunkInfoWriter Member List</div> </div>
</div><!--header-->
<div class="contents">
+
+<p>This is the complete list of members for <a class="el" href="classgraphar_1_1_edge_chunk_info_writer.html">graphar::EdgeChunkInfoWriter</a>, including all inherited members.</p>
</div><!-- contents -->
<!--
Licensed to the Apache Software Foundation (ASF) under one
diff --git a/docs/cpp/structgraphar_1_1_type_to_arrow_type.html b/docs/cpp/classgraphar_1_1_edge_chunk_info_writer.html
similarity index 83%
copy from docs/cpp/structgraphar_1_1_type_to_arrow_type.html
copy to docs/cpp/classgraphar_1_1_edge_chunk_info_writer.html
index f1a5920..15a5ba2 100644
--- a/docs/cpp/structgraphar_1_1_type_to_arrow_type.html
+++ b/docs/cpp/classgraphar_1_1_edge_chunk_info_writer.html
@@ -5,7 +5,7 @@
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: graphar::TypeToArrowType< T > Struct Template Reference</title>
+<title>Apache GraphAr C++ Library: graphar::EdgeChunkInfoWriter Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,22 +62,22 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><b>graphar</b></li><li class="navelem"><a class="el" href="structgraphar_1_1_type_to_arrow_type.html">TypeToArrowType</a></li> </ul>
+<li class="navelem"><b>graphar</b></li><li class="navelem"><a class="el" href="classgraphar_1_1_edge_chunk_info_writer.html">EdgeChunkInfoWriter</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
+ <div class="summary">
+<a href="classgraphar_1_1_edge_chunk_info_writer-members.html">List of all members</a> </div>
<div class="headertitle">
-<div class="title">graphar::TypeToArrowType< T > Struct Template Reference</div> </div>
+<div class="title">graphar::EdgeChunkInfoWriter Class Reference</div> </div>
</div><!--header-->
<div class="contents">
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
-<div class="textblock"><h3>template<Type T><br />
-struct graphar::TypeToArrowType< T ></h3>
-
-
-<p class="definition">Definition at line <a class="el" href="convert__to__arrow__type_8h_source.html#l00037">37</a> of file <a class="el" href="convert__to__arrow__type_8h_source.html">convert_to_arrow_type.h</a>.</p>
-</div><hr/>The documentation for this struct was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="convert__to__arrow__type_8h_source.html">convert_to_arrow_type.h</a></li>
+<div class="textblock">
+<p class="definition">Definition at line <a class="el" href="chunk__info__writer_8h_source.html#l00078">78</a> of file <a class="el" href="chunk__info__writer_8h_source.html">chunk_info_writer.h</a>.</p>
+</div><hr/>The documentation for this class was generated from the following files:<ul>
+<li>src/graphar/<a class="el" href="chunk__info__writer_8h_source.html">chunk_info_writer.h</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__writer_8cc_source.html">chunk_info_writer.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_edge_chunk_writer-members.html b/docs/cpp/classgraphar_1_1_edge_chunk_writer-members.html
index a339a8c..e0d7c54 100644
--- a/docs/cpp/classgraphar_1_1_edge_chunk_writer-members.html
+++ b/docs/cpp/classgraphar_1_1_edge_chunk_writer-members.html
@@ -82,20 +82,17 @@ $(function() {
<tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#ab859c5eb1f10b88c5d0af6ab71e0ec79">SortAndWritePropertyTable</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.ht [...]
<tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a0a7146c0fbc15e5775bf950e3f435f54">SortAndWritePropertyTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#aadbd1ad5299ab867d099ffc85528268a">SortAndWriteTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">WriteAdjListChunk</a>(const std::string &file_name, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">WriteAdjListChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">WriteAdjListTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">WriteChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">WriteEdgesNum</a>(IdType vertex_chunk_index, const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">WriteOffsetChunk</a>(const std::string &file_name, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#abbf227f722fcfaf5a330229d92dcc7d0">WriteAdjListChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a7197f8501c2205dd6a5456d4bf1769fd">WriteAdjListTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#aa2e0976953c5ef8a7015079c56b56c47">WriteChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#abfa01f956f732e660eead056ce12f7c1">WriteEdgesNum</a>(IdType vertex_chunk_index, const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
<tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">WriteOffsetChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a>(const std::string &file_name, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td cl [...]
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter [...]
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a48f3a7356d603416caf3aefd546d2135">WritePropertyChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChu [...]
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#ac4d3a559f6508f150ff5272ccec0f120">WritePropertyTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">WriteTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">WriteVerticesNum</a>(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a2552448a395acd1e3cc10e9db45ce877">WritePropertyChunk</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::Ed [...]
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a48f3a7356d603416caf3aefd546d2135">WritePropertyChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a74d5ff66b247fb94b87db25442f98ee2">WritePropertyTable</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">gra [...]
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#ac4d3a559f6508f150ff5272ccec0f120">WritePropertyTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#adbe1029f7e8f1777da7e905ec0e0b0e4">WriteTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, IdType start_chunk_index=0, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">WriteVerticesNum</a>(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html">graphar::EdgeChunkWriter</a></td><td class="entry"></td></tr>
</table></div><!-- contents -->
<!--
Licensed to the Apache Software Foundation (ASF) under one
diff --git a/docs/cpp/classgraphar_1_1_edge_chunk_writer.html b/docs/cpp/classgraphar_1_1_edge_chunk_writer.html
index 0b82fb3..4531bc0 100644
--- a/docs/cpp/classgraphar_1_1_edge_chunk_writer.html
+++ b/docs/cpp/classgraphar_1_1_edge_chunk_writer.html
@@ -78,7 +78,7 @@ $(function() {
<p>The writer for edge (adj list, offset and property group) chunks.
<a href="classgraphar_1_1_edge_chunk_writer.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>></code></p>
+<p><code>#include <<a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -97,15 +97,6 @@ Public Member Functions</h2></td></tr>
<tr class="memitem:af3796d4dd08e7d876281f53d039dad5f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">WriteVerticesNum</a> (const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td></tr>
<tr class="memdesc:af3796d4dd08e7d876281f53d039dad5f"><td class="mdescLeft"> </td><td class="mdescRight">Write the number of vertices into the file. <a href="classgraphar_1_1_edge_chunk_writer.html#af3796d4dd08e7d876281f53d039dad5f">More...</a><br /></td></tr>
<tr class="separator:af3796d4dd08e7d876281f53d039dad5f"><td class="memSeparator" colspan="2"> </td></tr>
-<tr class="memitem:aed5424b189097dfb70437fccbca9836c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">WriteOffsetChunk</a> (const std::string &file_name, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td></tr>
-<tr class="memdesc:aed5424b189097dfb70437fccbca9836c"><td class="mdescLeft"> </td><td class="mdescRight">Copy a file as a offset chunk. <a href="classgraphar_1_1_edge_chunk_writer.html#aed5424b189097dfb70437fccbca9836c">More...</a><br /></td></tr>
-<tr class="separator:aed5424b189097dfb70437fccbca9836c"><td class="memSeparator" colspan="2"> </td></tr>
-<tr class="memitem:aea77e6d1bad16efd45429f3c9ce6fe26"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">WriteAdjListChunk</a> (const std::string &file_name, IdType vertex_chunk_index, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td></tr>
-<tr class="memdesc:aea77e6d1bad16efd45429f3c9ce6fe26"><td class="mdescLeft"> </td><td class="mdescRight">Copy a file as an adj list chunk. <a href="classgraphar_1_1_edge_chunk_writer.html#aea77e6d1bad16efd45429f3c9ce6fe26">More...</a><br /></td></tr>
-<tr class="separator:aea77e6d1bad16efd45429f3c9ce6fe26"><td class="memSeparator" colspan="2"> </td></tr>
-<tr class="memitem:a5e4fea615937a48c2215e09f077ac7ef"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">WritePropertyChunk</a> (const std::string &file_name, const std::shared_ptr< <a class="el" href="classgraphar_1_1_property_group.html">PropertyGroup</a> > &property_g [...]
-<tr class="memdesc:a5e4fea615937a48c2215e09f077ac7ef"><td class="mdescLeft"> </td><td class="mdescRight">Copy a file as an edge property group chunk. <a href="classgraphar_1_1_edge_chunk_writer.html#a5e4fea615937a48c2215e09f077ac7ef">More...</a><br /></td></tr>
-<tr class="separator:a5e4fea615937a48c2215e09f077ac7ef"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a9041e72a3d46e9fb8a2f1d2463489c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">WriteOffsetChunk</a> (const std::shared_ptr< arrow::Table > &input_table, IdType vertex_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</ [...]
<tr class="memdesc:a9a9041e72a3d46e9fb8a2f1d2463489c"><td class="mdescLeft"> </td><td class="mdescRight">Validate and write the offset chunk for a vertex chunk. <a href="classgraphar_1_1_edge_chunk_writer.html#a9a9041e72a3d46e9fb8a2f1d2463489c">More...</a><br /></td></tr>
<tr class="separator:a9a9041e72a3d46e9fb8a2f1d2463489c"><td class="memSeparator" colspan="2"> </td></tr>
@@ -163,7 +154,7 @@ Static Public Member Functions</h2></td></tr>
<p>ValidateLevel::weak_validate: to validate if the vertex/edge count or vertex/edge chunk index is non-negative, the adj_list type is valid, the property group exists and the size of input_table is not larger than the chunk size;</p>
<p>ValidateLevel::strong_validate: besides weak_validate, also validate the schema of input_table is consistent with that of property group; for writing operations without input_table, such as writing vertices/edges number or copying file, the strong_validate is same as weak_validate. </p>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8h_source.html#l00271">271</a> of file <a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8h_source.html#l00257">257</a> of file <a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a785e601cffa83b78a9f64dd182cc0dfe"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a785e601cffa83b78a9f64dd182cc0dfe">◆ </a></span>EdgeChunkWriter()</h2>
@@ -222,7 +213,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00344">344</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00333">333</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
@@ -253,7 +244,7 @@ Static Public Member Functions</h2></td></tr>
<p>Get the validate level. </p>
<dl class="section return"><dt>Returns</dt><dd>The validate level of this writer. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8h_source.html#l00306">306</a> of file <a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8h_source.html#l00292">292</a> of file <a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>.</p>
</div>
</div>
@@ -314,7 +305,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00928">928</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00881">881</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
@@ -389,7 +380,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00940">940</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00893">893</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
@@ -425,7 +416,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8h_source.html#l00294">294</a> of file <a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8h_source.html#l00280">280</a> of file <a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>.</p>
</div>
</div>
@@ -479,7 +470,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00789">789</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00742">742</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
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@@ -540,7 +531,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00808">808</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00761">761</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
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@@ -594,7 +585,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00820">820</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00773">773</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
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@@ -648,12 +639,12 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00830">830</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00783">783</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
<a id="abbf227f722fcfaf5a330229d92dcc7d0"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#abbf227f722fcfaf5a330229d92dcc7d0">◆ </a></span>WriteAdjListChunk() <span class="overload">[1/2]</span></h2>
+<h2 class="memtitle"><span class="permalink"><a href="#abbf227f722fcfaf5a330229d92dcc7d0">◆ </a></span>WriteAdjListChunk()</h2>
<div class="memitem">
<div class="memproto">
@@ -702,61 +693,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00647">647</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
-
-</div>
-</div>
-<a id="aea77e6d1bad16efd45429f3c9ce6fe26"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#aea77e6d1bad16efd45429f3c9ce6fe26">◆ </a></span>WriteAdjListChunk() <span class="overload">[2/2]</span></h2>
-
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname"><a class="el" href="classgraphar_1_1_status.html">Status</a> graphar::EdgeChunkWriter::WriteAdjListChunk </td>
- <td>(</td>
- <td class="paramtype">const std::string & </td>
- <td class="paramname"><em>file_name</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">IdType </td>
- <td class="paramname"><em>vertex_chunk_index</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">IdType </td>
- <td class="paramname"><em>chunk_index</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">ValidateLevel </td>
- <td class="paramname"><em>validate_level</em> = <code>ValidateLevel::default_validate</code> </td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td> const</td>
- </tr>
- </table>
-</div><div class="memdoc">
-
-<p>Copy a file as an adj list chunk. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">file_name</td><td>The file to copy. </td></tr>
- <tr><td class="paramname">vertex_chunk_index</td><td>The index of the vertex chunk. </td></tr>
- <tr><td class="paramname">chunk_index</td><td>The index of the edge chunk inside the vertex chunk. </td></tr>
- <tr><td class="paramname">validate_level</td><td>The validate level for this operation, which is the writer's validate level by default. </td></tr>
- </table>
- </dd>
-</dl>
-<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00603">603</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00600">600</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
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@@ -810,7 +747,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00730">730</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00683">683</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -864,7 +801,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00721">721</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00674">674</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
@@ -911,12 +848,12 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00574">574</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00563">563</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
<a id="a9a9041e72a3d46e9fb8a2f1d2463489c"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#a9a9041e72a3d46e9fb8a2f1d2463489c">◆ </a></span>WriteOffsetChunk() <span class="overload">[1/2]</span></h2>
+<h2 class="memtitle"><span class="permalink"><a href="#a9a9041e72a3d46e9fb8a2f1d2463489c">◆ </a></span>WriteOffsetChunk()</h2>
<div class="memitem">
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@@ -958,59 +895,12 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00629">629</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
-
-</div>
-</div>
-<a id="aed5424b189097dfb70437fccbca9836c"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#aed5424b189097dfb70437fccbca9836c">◆ </a></span>WriteOffsetChunk() <span class="overload">[2/2]</span></h2>
-
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname"><a class="el" href="classgraphar_1_1_status.html">Status</a> graphar::EdgeChunkWriter::WriteOffsetChunk </td>
- <td>(</td>
- <td class="paramtype">const std::string & </td>
- <td class="paramname"><em>file_name</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">IdType </td>
- <td class="paramname"><em>vertex_chunk_index</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">ValidateLevel </td>
- <td class="paramname"><em>validate_level</em> = <code>ValidateLevel::default_validate</code> </td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td> const</td>
- </tr>
- </table>
-</div><div class="memdoc">
-
-<p>Copy a file as a offset chunk. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">file_name</td><td>The file to copy. </td></tr>
- <tr><td class="paramname">vertex_chunk_index</td><td>The index of the vertex chunk. </td></tr>
- <tr><td class="paramname">validate_level</td><td>The validate level for this operation, which is the writer's validate level by default. </td></tr>
- </table>
- </dd>
-</dl>
-<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00593">593</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00582">582</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
<a id="a2552448a395acd1e3cc10e9db45ce877"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#a2552448a395acd1e3cc10e9db45ce877">◆ </a></span>WritePropertyChunk() <span class="overload">[1/3]</span></h2>
+<h2 class="memtitle"><span class="permalink"><a href="#a2552448a395acd1e3cc10e9db45ce877">◆ </a></span>WritePropertyChunk() <span class="overload">[1/2]</span></h2>
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@@ -1066,12 +956,12 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00679">679</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00632">632</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
<a id="a48f3a7356d603416caf3aefd546d2135"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#a48f3a7356d603416caf3aefd546d2135">◆ </a></span>WritePropertyChunk() <span class="overload">[2/3]</span></h2>
+<h2 class="memtitle"><span class="permalink"><a href="#a48f3a7356d603416caf3aefd546d2135">◆ </a></span>WritePropertyChunk() <span class="overload">[2/2]</span></h2>
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@@ -1120,68 +1010,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00709">709</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
-
-</div>
-</div>
-<a id="a5e4fea615937a48c2215e09f077ac7ef"></a>
-<h2 class="memtitle"><span class="permalink"><a href="#a5e4fea615937a48c2215e09f077ac7ef">◆ </a></span>WritePropertyChunk() <span class="overload">[3/3]</span></h2>
-
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname"><a class="el" href="classgraphar_1_1_status.html">Status</a> graphar::EdgeChunkWriter::WritePropertyChunk </td>
- <td>(</td>
- <td class="paramtype">const std::string & </td>
- <td class="paramname"><em>file_name</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">const std::shared_ptr< <a class="el" href="classgraphar_1_1_property_group.html">PropertyGroup</a> > & </td>
- <td class="paramname"><em>property_group</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">IdType </td>
- <td class="paramname"><em>vertex_chunk_index</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">IdType </td>
- <td class="paramname"><em>chunk_index</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">ValidateLevel </td>
- <td class="paramname"><em>validate_level</em> = <code>ValidateLevel::default_validate</code> </td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td> const</td>
- </tr>
- </table>
-</div><div class="memdoc">
-
-<p>Copy a file as an edge property group chunk. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">file_name</td><td>The file to copy. </td></tr>
- <tr><td class="paramname">property_group</td><td>The property group to write. </td></tr>
- <tr><td class="paramname">vertex_chunk_index</td><td>The index of the vertex chunk. </td></tr>
- <tr><td class="paramname">chunk_index</td><td>The index of the edge chunk inside the vertex chunk. </td></tr>
- <tr><td class="paramname">validate_level</td><td>The validate level for this operation, which is the writer's validate level by default. </td></tr>
- </table>
- </dd>
-</dl>
-<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00615">615</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00662">662</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -1242,7 +1071,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00744">744</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00697">697</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -1296,7 +1125,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00761">761</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00714">714</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -1350,7 +1179,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00775">775</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00728">728</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -1390,13 +1219,13 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00584">584</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00573">573</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/writer/<a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a></li>
-<li>src/<a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a></li>
</ul>
</div><!-- contents -->
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diff --git a/docs/cpp/classgraphar_1_1_edge_info.html b/docs/cpp/classgraphar_1_1_edge_info.html
index b18729c..0891fd7 100644
--- a/docs/cpp/classgraphar_1_1_edge_info.html
+++ b/docs/cpp/classgraphar_1_1_edge_info.html
@@ -1173,8 +1173,8 @@ Static Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
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</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_edge_info_1_1_impl.html b/docs/cpp/classgraphar_1_1_edge_info_1_1_impl.html
index d1a8d79..3d59e46 100644
--- a/docs/cpp/classgraphar_1_1_edge_info_1_1_impl.html
+++ b/docs/cpp/classgraphar_1_1_edge_info_1_1_impl.html
@@ -139,7 +139,7 @@ std::shared_ptr< const <a class="el" href="classgraphar_1_1_info_version.html
<div class="textblock">
<p class="definition">Definition at line <a class="el" href="graph__info_8cc_source.html#l00487">487</a> of file <a class="el" href="graph__info_8cc_source.html">graph_info.cc</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_edge_iter.html b/docs/cpp/classgraphar_1_1_edge_iter.html
index 5ad43bf..cce8a6e 100644
--- a/docs/cpp/classgraphar_1_1_edge_iter.html
+++ b/docs/cpp/classgraphar_1_1_edge_iter.html
@@ -78,7 +78,7 @@ $(function() {
<p>The iterator for traversing a type of edges.
<a href="classgraphar_1_1_edge_iter.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -144,7 +144,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The iterator for traversing a type of edges. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00325">325</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00325">325</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="af4d94894ba5e756d0e851ebfb82965b9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af4d94894ba5e756d0e851ebfb82965b9">◆ </a></span>EdgeIter() <span class="overload">[1/2]</span></h2>
@@ -230,7 +230,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00340">340</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00340">340</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -259,7 +259,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Copy constructor. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00372">372</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00372">372</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -288,7 +288,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Get the current offset in the current chunk. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00509">509</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00509">509</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -308,7 +308,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Get the destination vertex id for the current edge. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00308">308</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00308">308</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -347,7 +347,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</dl>
<dl class="section return"><dt>Returns</dt><dd>If such edge is found or not. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00431">431</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00431">431</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -386,7 +386,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</dl>
<dl class="section return"><dt>Returns</dt><dd>If such edge is found or not. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00316">316</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00316">316</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -414,7 +414,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Get the global index of the current edge chunk. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00506">506</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00506">506</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -442,7 +442,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Check if the current position is the end. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00542">542</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00542">542</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -470,7 +470,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Point to the next edge with the same destination, return false if not found. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00575">575</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00575">575</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -499,7 +499,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Point to the next edge with the specific destination, return false if not found. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00616">616</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00616">616</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -527,7 +527,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Point to the next edge with the same source, return false if not found. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00545">545</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00545">545</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -556,7 +556,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Point to the next edge with the specific source, return false if not found. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00605">605</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00605">605</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -585,7 +585,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>The inequality operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00499">499</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00499">499</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -613,7 +613,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>Construct and return the edge of the current offset. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00389">389</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00389">389</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -641,7 +641,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>The prefix increment operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00425">425</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00425">425</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -670,7 +670,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>The postfix increment operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00466">466</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00466">466</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -699,7 +699,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>The copy assignment operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00473">473</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00473">473</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -728,7 +728,7 @@ class </td><td class="memItemRight" valign="bottom"><b>UBDEdgesCollection</
</div><div class="memdoc">
<p>The equality operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00492">492</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00492">492</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -759,7 +759,7 @@ template<typename T > </div>
</div><div class="memdoc">
<p>Get the value of a property for the current edge. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00405">405</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00405">405</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -779,7 +779,7 @@ template<typename T > </div>
</div><div class="memdoc">
<p>Get the source vertex id for the current edge. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00300">300</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00300">300</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -807,13 +807,13 @@ template<typename T > </div>
</div><div class="memdoc">
<p>Let the iterator to point to the begin. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00532">532</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00532">532</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
-<li>src/<a class="el" href="graph_8cc_source.html">graph.cc</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_edges_collection.html b/docs/cpp/classgraphar_1_1_edges_collection.html
index 333e932..71dc170 100644
--- a/docs/cpp/classgraphar_1_1_edges_collection.html
+++ b/docs/cpp/classgraphar_1_1_edges_collection.html
@@ -80,7 +80,7 @@ $(function() {
<p><a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> is designed for reading a collection of edges.
<a href="classgraphar_1_1_edges_collection.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for graphar::EdgesCollection:</div>
<div class="dyncontent">
@@ -152,7 +152,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> is designed for reading a collection of edges. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00659">659</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00659">659</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a9995a991899a99bf2bc5b3219a778794"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9995a991899a99bf2bc5b3219a778794">◆ </a></span>EdgesCollection()</h2>
@@ -218,7 +218,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00736">736</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00736">736</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -247,7 +247,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</div><div class="memdoc">
<p>The iterator pointing to the first edge. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00664">664</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00664">664</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -275,7 +275,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</div><div class="memdoc">
<p>The iterator pointing to the past-the-end element. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00674">674</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00674">674</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -451,7 +451,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00546">546</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00546">546</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -479,13 +479,13 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</div><div class="memdoc">
<p>Get the number of edges in the collection. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00684">684</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00684">684</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
-<li>src/<a class="el" href="graph_8cc_source.html">graph.cc</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression.html b/docs/cpp/classgraphar_1_1_expression.html
index f1b6aed..b50a868 100644
--- a/docs/cpp/classgraphar_1_1_expression.html
+++ b/docs/cpp/classgraphar_1_1_expression.html
@@ -142,7 +142,7 @@ Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_and.html b/docs/cpp/classgraphar_1_1_expression_and.html
index 33815cb..6c280ec 100644
--- a/docs/cpp/classgraphar_1_1_expression_and.html
+++ b/docs/cpp/classgraphar_1_1_expression_and.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_binary_op.html b/docs/cpp/classgraphar_1_1_expression_binary_op.html
index d362839..9c29c18 100644
--- a/docs/cpp/classgraphar_1_1_expression_binary_op.html
+++ b/docs/cpp/classgraphar_1_1_expression_binary_op.html
@@ -131,7 +131,7 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
<p class="definition">Definition at line <a class="el" href="expression_8h_source.html#l00131">131</a> of file <a class="el" href="expression_8h_source.html">expression.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_equal.html b/docs/cpp/classgraphar_1_1_expression_equal.html
index b6fd010..7337695 100644
--- a/docs/cpp/classgraphar_1_1_expression_equal.html
+++ b/docs/cpp/classgraphar_1_1_expression_equal.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_greater_equal.html b/docs/cpp/classgraphar_1_1_expression_greater_equal.html
index bcd5874..53a488b 100644
--- a/docs/cpp/classgraphar_1_1_expression_greater_equal.html
+++ b/docs/cpp/classgraphar_1_1_expression_greater_equal.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_greater_than.html b/docs/cpp/classgraphar_1_1_expression_greater_than.html
index 5d9ae32..8c699e2 100644
--- a/docs/cpp/classgraphar_1_1_expression_greater_than.html
+++ b/docs/cpp/classgraphar_1_1_expression_greater_than.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_less_equal.html b/docs/cpp/classgraphar_1_1_expression_less_equal.html
index 0ec953c..eb0fc3f 100644
--- a/docs/cpp/classgraphar_1_1_expression_less_equal.html
+++ b/docs/cpp/classgraphar_1_1_expression_less_equal.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_less_than.html b/docs/cpp/classgraphar_1_1_expression_less_than.html
index a9d5c22..e31ba90 100644
--- a/docs/cpp/classgraphar_1_1_expression_less_than.html
+++ b/docs/cpp/classgraphar_1_1_expression_less_than.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_literal.html b/docs/cpp/classgraphar_1_1_expression_literal.html
index 67378d9..76807ad 100644
--- a/docs/cpp/classgraphar_1_1_expression_literal.html
+++ b/docs/cpp/classgraphar_1_1_expression_literal.html
@@ -144,7 +144,7 @@ template<typename T , bool IsScalar = std::is_same_v<T, bool> || std::i
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_not.html b/docs/cpp/classgraphar_1_1_expression_not.html
index 45082b5..d6ea7fe 100644
--- a/docs/cpp/classgraphar_1_1_expression_not.html
+++ b/docs/cpp/classgraphar_1_1_expression_not.html
@@ -154,8 +154,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_not_equal.html b/docs/cpp/classgraphar_1_1_expression_not_equal.html
index 6be387d..b2d7831 100644
--- a/docs/cpp/classgraphar_1_1_expression_not_equal.html
+++ b/docs/cpp/classgraphar_1_1_expression_not_equal.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
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diff --git a/docs/cpp/classgraphar_1_1_expression_or.html b/docs/cpp/classgraphar_1_1_expression_or.html
index edf7cb7..c7f55a3 100644
--- a/docs/cpp/classgraphar_1_1_expression_or.html
+++ b/docs/cpp/classgraphar_1_1_expression_or.html
@@ -161,8 +161,8 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_property.html b/docs/cpp/classgraphar_1_1_expression_property.html
index 44e41f3..11ac9be 100644
--- a/docs/cpp/classgraphar_1_1_expression_property.html
+++ b/docs/cpp/classgraphar_1_1_expression_property.html
@@ -142,8 +142,8 @@ Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
-<li>src/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8cc_source.html">expression.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_expression_unary_op.html b/docs/cpp/classgraphar_1_1_expression_unary_op.html
index a03174e..d420553 100644
--- a/docs/cpp/classgraphar_1_1_expression_unary_op.html
+++ b/docs/cpp/classgraphar_1_1_expression_unary_op.html
@@ -114,7 +114,7 @@ std::shared_ptr< <a class="el" href="classgraphar_1_1_expression.html">Expres
<p class="definition">Definition at line <a class="el" href="expression_8h_source.html#l00101">101</a> of file <a class="el" href="expression_8h_source.html">expression.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="expression_8h_source.html">expression.h</a></li>
+<li>src/graphar/<a class="el" href="expression_8h_source.html">expression.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_file_system.html b/docs/cpp/classgraphar_1_1_file_system.html
index 6380609..0b486e9 100644
--- a/docs/cpp/classgraphar_1_1_file_system.html
+++ b/docs/cpp/classgraphar_1_1_file_system.html
@@ -186,7 +186,7 @@ template<> </td></tr>
<p>Copy a file.</p>
<p>If the destination exists and is a directory, an <a class="el" href="classgraphar_1_1_status.html#a521553014a9f2a6d44f5d71a91a3cb72">Status::ArrowError</a> is returned. Otherwise, it is replaced. </p>
-<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00253">253</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00259">259</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
</div>
</div>
@@ -226,7 +226,7 @@ template<> </td></tr>
<p>Get the number of file of a directory.</p>
<p>the file is not pure file, it can be a directory or other type of file. </p>
-<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00262">262</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00268">268</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
</div>
</div>
@@ -281,7 +281,7 @@ template<> </td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A Result containing a std::shared_ptr to an arrow::Table if successful, or an error <a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a> if unsuccessful. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00101">101</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00105">105</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
</div>
</div>
@@ -326,7 +326,7 @@ template<typename T > </div>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A Result containing the value if successful, or an error <a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a> if unsuccessful. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00164">164</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00168">168</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
</div>
</div>
@@ -381,7 +381,7 @@ template<typename T > </div>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a> indicating OK if successful, or an error if unsuccessful. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00209">209</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00213">213</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
</div>
</div>
@@ -437,13 +437,13 @@ template<typename T > </div>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a> indicating OK if successful, or an error if unsuccessful. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00186">186</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="filesystem_8cc_source.html#l00190">190</a> of file <a class="el" href="filesystem_8cc_source.html">filesystem.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="filesystem_8h_source.html">filesystem.h</a></li>
-<li>src/<a class="el" href="filesystem_8cc_source.html">filesystem.cc</a></li>
+<li>src/graphar/<a class="el" href="filesystem_8h_source.html">filesystem.h</a></li>
+<li>src/graphar/<a class="el" href="filesystem_8cc_source.html">filesystem.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_graph_info.html b/docs/cpp/classgraphar_1_1_graph_info.html
index ccd5ddf..daf6e1c 100644
--- a/docs/cpp/classgraphar_1_1_graph_info.html
+++ b/docs/cpp/classgraphar_1_1_graph_info.html
@@ -717,8 +717,8 @@ Static Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_graph_info_1_1_impl.html b/docs/cpp/classgraphar_1_1_graph_info_1_1_impl.html
index 46d1699..7d227dc 100644
--- a/docs/cpp/classgraphar_1_1_graph_info_1_1_impl.html
+++ b/docs/cpp/classgraphar_1_1_graph_info_1_1_impl.html
@@ -115,7 +115,7 @@ std::unordered_map< std::string, int > </td><td class="memItemRight"
<div class="textblock">
<p class="definition">Definition at line <a class="el" href="graph__info_8cc_source.html#l01053">1053</a> of file <a class="el" href="graph__info_8cc_source.html">graph_info.cc</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_info_version.html b/docs/cpp/classgraphar_1_1_info_version.html
index ef464cd..9f75494 100644
--- a/docs/cpp/classgraphar_1_1_info_version.html
+++ b/docs/cpp/classgraphar_1_1_info_version.html
@@ -344,7 +344,7 @@ Static Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>Parse version string to <a class="el" href="classgraphar_1_1_info_version.html">InfoVersion</a>. </p>
-<p class="definition">Definition at line <a class="el" href="version__parser_8cc_source.html#l00106">106</a> of file <a class="el" href="version__parser_8cc_source.html">version_parser.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="version__parser_8cc_source.html#l00107">107</a> of file <a class="el" href="version__parser_8cc_source.html">version_parser.cc</a>.</p>
</div>
</div>
@@ -433,8 +433,8 @@ Static Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="version__parser_8h_source.html">version_parser.h</a></li>
-<li>src/<a class="el" href="version__parser_8cc_source.html">version_parser.cc</a></li>
+<li>src/graphar/<a class="el" href="version__parser_8h_source.html">version_parser.h</a></li>
+<li>src/graphar/<a class="el" href="version__parser_8cc_source.html">version_parser.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_o_b_d_edges_collection.html b/docs/cpp/classgraphar_1_1_o_b_d_edges_collection.html
index 4017c3b..aabb210 100644
--- a/docs/cpp/classgraphar_1_1_o_b_d_edges_collection.html
+++ b/docs/cpp/classgraphar_1_1_o_b_d_edges_collection.html
@@ -77,7 +77,7 @@ $(function() {
<p>Ordered By Destination <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation.
<a href="classgraphar_1_1_o_b_d_edges_collection.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for graphar::OBDEdgesCollection:</div>
<div class="dyncontent">
@@ -147,7 +147,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Ordered By Destination <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00877">877</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00877">877</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="ad2792d9ed115a0201cdb0d42c9644191"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad2792d9ed115a0201cdb0d42c9644191">◆ </a></span>OBDEdgesCollection()</h2>
@@ -206,7 +206,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00889">889</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00889">889</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -256,7 +256,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a01a86e80c3b0fdfb181c8b17e438c2d3">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00925">925</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00925">925</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -305,12 +305,12 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a64ef5fbb7446e30b70cedf91232e7bc6">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00904">904</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00904">904</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_o_b_s_edge_collection.html b/docs/cpp/classgraphar_1_1_o_b_s_edge_collection.html
index 673d9ba..615fc6a 100644
--- a/docs/cpp/classgraphar_1_1_o_b_s_edge_collection.html
+++ b/docs/cpp/classgraphar_1_1_o_b_s_edge_collection.html
@@ -77,7 +77,7 @@ $(function() {
<p>Ordered By Source <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation.
<a href="classgraphar_1_1_o_b_s_edge_collection.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for graphar::OBSEdgeCollection:</div>
<div class="dyncontent">
@@ -147,7 +147,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Ordered By Source <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00785">785</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00785">785</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a1900914bc9725cc2bdcaaa080df3311b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1900914bc9725cc2bdcaaa080df3311b">◆ </a></span>OBSEdgeCollection()</h2>
@@ -206,7 +206,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00797">797</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00797">797</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -256,7 +256,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a01a86e80c3b0fdfb181c8b17e438c2d3">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00860">860</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00860">860</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -305,12 +305,12 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a64ef5fbb7446e30b70cedf91232e7bc6">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00812">812</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00812">812</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_property.html b/docs/cpp/classgraphar_1_1_property.html
index a35ad4c..d90fc2b 100644
--- a/docs/cpp/classgraphar_1_1_property.html
+++ b/docs/cpp/classgraphar_1_1_property.html
@@ -103,7 +103,7 @@ bool </td><td class="memItemRight" valign="bottom"><b>is_nullable</b></td><
<p class="definition">Definition at line <a class="el" href="graph__info_8h_source.html#l00034">34</a> of file <a class="el" href="graph__info_8h_source.html">graph_info.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
</ul>
</div><!-- contents -->
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diff --git a/docs/cpp/classgraphar_1_1_property_group.html b/docs/cpp/classgraphar_1_1_property_group.html
index ed1ba26..09891fc 100644
--- a/docs/cpp/classgraphar_1_1_property_group.html
+++ b/docs/cpp/classgraphar_1_1_property_group.html
@@ -259,8 +259,8 @@ std::ostream & </td><td class="memItemRight" valign="bottom"><b>operato
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_status.html b/docs/cpp/classgraphar_1_1_status.html
index 7b137bd..8818a80 100644
--- a/docs/cpp/classgraphar_1_1_status.html
+++ b/docs/cpp/classgraphar_1_1_status.html
@@ -875,7 +875,7 @@ template<typename... Args> </div>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="status_8h_source.html">status.h</a></li>
+<li>src/graphar/<a class="el" href="status_8h_source.html">status.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_timestamp.html b/docs/cpp/classgraphar_1_1_timestamp.html
index fec172e..406bf5f 100644
--- a/docs/cpp/classgraphar_1_1_timestamp.html
+++ b/docs/cpp/classgraphar_1_1_timestamp.html
@@ -92,9 +92,9 @@ c_type </td><td class="memItemRight" valign="bottom"><b>value</b> () const<
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock">
-<p class="definition">Definition at line <a class="el" href="data__type_8h_source.html#l00138">138</a> of file <a class="el" href="data__type_8h_source.html">data_type.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="types_8h_source.html#l00139">139</a> of file <a class="el" href="types_8h_source.html">types.h</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="data__type_8h_source.html">data_type.h</a></li>
+<li>src/graphar/<a class="el" href="types_8h_source.html">types.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_u_b_d_edges_collection.html b/docs/cpp/classgraphar_1_1_u_b_d_edges_collection.html
index 5776174..e15a846 100644
--- a/docs/cpp/classgraphar_1_1_u_b_d_edges_collection.html
+++ b/docs/cpp/classgraphar_1_1_u_b_d_edges_collection.html
@@ -77,7 +77,7 @@ $(function() {
<p>Unordered By Destination <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation.
<a href="classgraphar_1_1_u_b_d_edges_collection.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for graphar::UBDEdgesCollection:</div>
<div class="dyncontent">
@@ -147,7 +147,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Unordered By Destination <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l01034">1034</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l01034">1034</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="aef2d69ca4ae1b6cba62e42417ed80364"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aef2d69ca4ae1b6cba62e42417ed80364">◆ </a></span>UBDEdgesCollection()</h2>
@@ -206,7 +206,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l01046">1046</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l01046">1046</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -256,7 +256,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a01a86e80c3b0fdfb181c8b17e438c2d3">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l01082">1082</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l01082">1082</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -305,12 +305,12 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a64ef5fbb7446e30b70cedf91232e7bc6">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l01061">1061</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l01061">1061</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_u_b_s_edges_collection.html b/docs/cpp/classgraphar_1_1_u_b_s_edges_collection.html
index 1c75e0e..0f8b007 100644
--- a/docs/cpp/classgraphar_1_1_u_b_s_edges_collection.html
+++ b/docs/cpp/classgraphar_1_1_u_b_s_edges_collection.html
@@ -77,7 +77,7 @@ $(function() {
<p>Unordered By Source <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation.
<a href="classgraphar_1_1_u_b_s_edges_collection.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for graphar::UBSEdgesCollection:</div>
<div class="dyncontent">
@@ -147,7 +147,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Unordered By Source <a class="el" href="classgraphar_1_1_edges_collection.html" title="EdgesCollection is designed for reading a collection of edges.">EdgesCollection</a> implementation. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00969">969</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00969">969</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a78ba5d25060dda524a7c51e591527a1c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a78ba5d25060dda524a7c51e591527a1c">◆ </a></span>UBSEdgesCollection()</h2>
@@ -206,7 +206,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00981">981</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00981">981</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -256,7 +256,7 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a01a86e80c3b0fdfb181c8b17e438c2d3">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l01017">1017</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l01017">1017</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -305,12 +305,12 @@ IdType </td><td class="memItemRight" valign="bottom"><b>edge_num_</b></td><
<p>Implements <a class="el" href="classgraphar_1_1_edges_collection.html#a64ef5fbb7446e30b70cedf91232e7bc6">graphar::EdgesCollection</a>.</p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00996">996</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00996">996</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_vertex.html b/docs/cpp/classgraphar_1_1_vertex.html
index 27fddb3..7bce6ae 100644
--- a/docs/cpp/classgraphar_1_1_vertex.html
+++ b/docs/cpp/classgraphar_1_1_vertex.html
@@ -77,7 +77,7 @@ $(function() {
<p><a class="el" href="classgraphar_1_1_vertex.html" title="Vertex contains information of certain vertex.">Vertex</a> contains information of certain vertex.
<a href="classgraphar_1_1_vertex.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -101,7 +101,7 @@ template<> </td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classgraphar_1_1_vertex.html" title="Vertex contains information of certain vertex.">Vertex</a> contains information of certain vertex. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00049">49</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00049">49</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="aff8224ea52a0a08c3e07d07d1184ccaf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aff8224ea52a0a08c3e07d07d1184ccaf">◆ </a></span>Vertex()</h2>
@@ -145,7 +145,7 @@ template<> </td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00074">74</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00074">74</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
@@ -176,7 +176,7 @@ template<> </td></tr>
<p>Get the id of the vertex. </p>
<dl class="section return"><dt>Returns</dt><dd>The id of the vertex. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00066">66</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00066">66</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -213,7 +213,7 @@ template<> </td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd>True if value at the property is valid, False otherwise. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00083">83</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00083">83</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -244,13 +244,13 @@ template<typename T > </div>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Result: The property value or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="graph_8cc_source.html#l00098">98</a> of file <a class="el" href="graph_8cc_source.html">graph.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8cc_source.html#l00098">98</a> of file <a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
-<li>src/<a class="el" href="graph_8cc_source.html">graph.cc</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8cc_source.html">graph_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/structgraphar_1_1_c_type_to_arrow_type.html b/docs/cpp/classgraphar_1_1_vertex_chunk_info_writer-members.html
similarity index 74%
copy from docs/cpp/structgraphar_1_1_c_type_to_arrow_type.html
copy to docs/cpp/classgraphar_1_1_vertex_chunk_info_writer-members.html
index be76506..5c1256d 100644
--- a/docs/cpp/structgraphar_1_1_c_type_to_arrow_type.html
+++ b/docs/cpp/classgraphar_1_1_vertex_chunk_info_writer-members.html
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<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: graphar::CTypeToArrowType< T > Struct Template Reference</title>
+<title>Apache GraphAr C++ Library: Member List</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,27 +62,20 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><b>graphar</b></li><li class="navelem"><a class="el" href="structgraphar_1_1_c_type_to_arrow_type.html">CTypeToArrowType</a></li> </ul>
+<li class="navelem"><b>graphar</b></li><li class="navelem"><a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html">VertexChunkInfoWriter</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">graphar::CTypeToArrowType< T > Struct Template Reference</div> </div>
+<div class="title">graphar::VertexChunkInfoWriter Member List</div> </div>
</div><!--header-->
<div class="contents">
-<p><code>#include <<a class="el" href="convert__to__arrow__type_8h_source.html">convert_to_arrow_type.h</a>></code></p>
-<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
-<div class="textblock"><h3>template<typename T><br />
-struct graphar::CTypeToArrowType< T ></h3>
-
-<p>Struct to convert <a class="el" href="classgraphar_1_1_data_type.html" title="The DataType struct to provide enum type for data type and functions to parse data type.">DataType</a> to arrow::DataType. </p>
-
-<p class="definition">Definition at line <a class="el" href="convert__to__arrow__type_8h_source.html#l00034">34</a> of file <a class="el" href="convert__to__arrow__type_8h_source.html">convert_to_arrow_type.h</a>.</p>
-</div><hr/>The documentation for this struct was generated from the following file:<ul>
-<li>include/graphar/util/<a class="el" href="convert__to__arrow__type_8h_source.html">convert_to_arrow_type.h</a></li>
-</ul>
-</div><!-- contents -->
+<p>This is the complete list of members for <a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html">graphar::VertexChunkInfoWriter</a>, including all inherited members.</p>
+<table class="directory">
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d">VertexChunkInfoWriter</a>(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html">graphar::VertexChunkInfoWriter</a></td><td class="entry"><span class="mlabel"> [...]
+ <tr bgcolor="#f0f0f0"><td class="entry"><b>WriteChunk</b>(const std::string &file_name, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::no_validate) const (defined in <a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html">graphar::VertexChunkInfoWriter</a>)</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html">graphar::VertexChunkInfoWriter</a></td><td [...]
+</table></div><!-- contents -->
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
diff --git a/docs/cpp/classgraphar_1_1_vertex_chunk_info_writer.html b/docs/cpp/classgraphar_1_1_vertex_chunk_info_writer.html
new file mode 100644
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+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta http-equiv="X-UA-Compatible" content="IE=9"/>
+<meta name="generator" content="Doxygen 1.9.1"/>
+<meta name="viewport" content="width=device-width, initial-scale=1"/>
+<title>Apache GraphAr C++ Library: graphar::VertexChunkInfoWriter Class Reference</title>
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+<script type="text/javascript" src="jquery.js"></script>
+<script type="text/javascript" src="dynsections.js"></script>
+<link href="search/search.css" rel="stylesheet" type="text/css"/>
+<script type="text/javascript" src="search/searchdata.js"></script>
+<script type="text/javascript" src="search/search.js"></script>
+<link href="doxygen.css" rel="stylesheet" type="text/css" />
+</head>
+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr style="height: 56px;">
+ <td id="projectalign" style="padding-left: 0.5em;">
+ <div id="projectname">Apache GraphAr C++ Library
+ </div>
+ <div id="projectbrief">The C++ Library for Apache GraphAr</div>
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+ name="MSearchResults" id="MSearchResults">
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+<div id="nav-path" class="navpath">
+ <ul>
+<li class="navelem"><b>graphar</b></li><li class="navelem"><a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html">VertexChunkInfoWriter</a></li> </ul>
+</div>
+</div><!-- top -->
+<div class="header">
+ <div class="summary">
+<a href="#pub-methods">Public Member Functions</a> |
+<a href="classgraphar_1_1_vertex_chunk_info_writer-members.html">List of all members</a> </div>
+ <div class="headertitle">
+<div class="title">graphar::VertexChunkInfoWriter Class Reference</div> </div>
+</div><!--header-->
+<div class="contents">
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
+Public Member Functions</h2></td></tr>
+<tr class="memitem:af7f075dd7412ad38175eb1e09de9158d"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d">VertexChunkInfoWriter</a> (const std::shared_ptr< <a class="el" href="classgraphar_1_1_vertex_info.html">VertexInfo</a> > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::n [...]
+<tr class="memdesc:af7f075dd7412ad38175eb1e09de9158d"><td class="mdescLeft"> </td><td class="mdescRight">Copy a file as a vertex property group chunk. <a href="classgraphar_1_1_vertex_chunk_info_writer.html#af7f075dd7412ad38175eb1e09de9158d">More...</a><br /></td></tr>
+<tr class="separator:af7f075dd7412ad38175eb1e09de9158d"><td class="memSeparator" colspan="2"> </td></tr>
+<tr class="memitem:a0c5459ba671e418a881c860f273b6c16"><td class="memItemLeft" align="right" valign="top"><a id="a0c5459ba671e418a881c860f273b6c16"></a>
+<a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><b>WriteChunk</b> (const std::string &file_name, const std::shared_ptr< <a class="el" href="classgraphar_1_1_property_group.html">PropertyGroup</a> > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::no_validate) const</td></tr>
+<tr class="separator:a0c5459ba671e418a881c860f273b6c16"><td class="memSeparator" colspan="2"> </td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock">
+<p class="definition">Definition at line <a class="el" href="chunk__info__writer_8h_source.html#l00031">31</a> of file <a class="el" href="chunk__info__writer_8h_source.html">chunk_info_writer.h</a>.</p>
+</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
+<a id="af7f075dd7412ad38175eb1e09de9158d"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#af7f075dd7412ad38175eb1e09de9158d">◆ </a></span>VertexChunkInfoWriter()</h2>
+
+<div class="memitem">
+<div class="memproto">
+<table class="mlabels">
+ <tr>
+ <td class="mlabels-left">
+ <table class="memname">
+ <tr>
+ <td class="memname">graphar::VertexChunkInfoWriter::VertexChunkInfoWriter </td>
+ <td>(</td>
+ <td class="paramtype">const std::shared_ptr< <a class="el" href="classgraphar_1_1_vertex_info.html">VertexInfo</a> > & </td>
+ <td class="paramname"><em>vertex_info</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">const std::string & </td>
+ <td class="paramname"><em>prefix</em>, </td>
+ </tr>
+ <tr>
+ <td class="paramkey"></td>
+ <td></td>
+ <td class="paramtype">const ValidateLevel & </td>
+ <td class="paramname"><em>validate_level</em> = <code>ValidateLevel::no_validate</code> </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td>)</td>
+ <td></td><td></td>
+ </tr>
+ </table>
+ </td>
+ <td class="mlabels-right">
+<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
+ </tr>
+</table>
+</div><div class="memdoc">
+
+<p>Copy a file as a vertex property group chunk. </p>
+<dl class="params"><dt>Parameters</dt><dd>
+ <table class="params">
+ <tr><td class="paramname">file_name</td><td>The file to copy. </td></tr>
+ <tr><td class="paramname">property_group</td><td>The property group. </td></tr>
+ <tr><td class="paramname">chunk_index</td><td>The index of the vertex chunk. </td></tr>
+ <tr><td class="paramname">validate_level</td><td>The validate level for this operation, which is the writer's validate level by default. </td></tr>
+ </table>
+ </dd>
+</dl>
+<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error.</dd></dl>
+<p>Initialize the VertexChunkWriter.</p>
+<dl class="params"><dt>Parameters</dt><dd>
+ <table class="params">
+ <tr><td class="paramname">vertex_info</td><td>The vertex info that describes the vertex type. </td></tr>
+ <tr><td class="paramname">prefix</td><td>The absolute prefix. </td></tr>
+ </table>
+ </dd>
+</dl>
+
+<p class="definition">Definition at line <a class="el" href="chunk__info__writer_8cc_source.html#l00029">29</a> of file <a class="el" href="chunk__info__writer_8cc_source.html">chunk_info_writer.cc</a>.</p>
+
+</div>
+</div>
+<hr/>The documentation for this class was generated from the following files:<ul>
+<li>src/graphar/<a class="el" href="chunk__info__writer_8h_source.html">chunk_info_writer.h</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__writer_8cc_source.html">chunk_info_writer.cc</a></li>
+</ul>
+</div><!-- contents -->
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one
+ or more contributor license agreements. See the NOTICE file
+ distributed with this work for additional information
+ regarding copyright ownership. The ASF licenses this file
+ to you under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance
+ with the License. You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0
+ Unless required by applicable law or agreed to in writing,
+ software distributed under the License is distributed on an
+ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ KIND, either express or implied. See the License for the
+ specific language governing permissions and limitations
+ under the License.
+-->
+<!-- disclaimer_footer.html -->
+<footer style="text-align: center; font-size: 12px;">
+ <div>
+ <p>
+ Apache GraphAr is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that [...]
+ </p>
+ <p>
+ Copyright © 2024 The Apache Software Foundation, Licensed under the Apache License, Version 2.0. <br/>
+ Apache, the names of Apache projects, and the feather logo are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries.
+ </p>
+ </div>
+</footer>
diff --git a/docs/cpp/classgraphar_1_1_vertex_info.html b/docs/cpp/classgraphar_1_1_vertex_info.html
index c377a71..5ca24d3 100644
--- a/docs/cpp/classgraphar_1_1_vertex_info.html
+++ b/docs/cpp/classgraphar_1_1_vertex_info.html
@@ -798,8 +798,8 @@ Static Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8h_source.html">graph_info.h</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_vertex_info_1_1_impl.html b/docs/cpp/classgraphar_1_1_vertex_info_1_1_impl.html
index 8a6f1ab..cbb834d 100644
--- a/docs/cpp/classgraphar_1_1_vertex_info_1_1_impl.html
+++ b/docs/cpp/classgraphar_1_1_vertex_info_1_1_impl.html
@@ -118,7 +118,7 @@ std::unordered_map< std::string, std::shared_ptr< <a class="el" href="clas
<div class="textblock">
<p class="definition">Definition at line <a class="el" href="graph__info_8cc_source.html#l00190">190</a> of file <a class="el" href="graph__info_8cc_source.html">graph_info.cc</a>.</p>
</div><hr/>The documentation for this class was generated from the following file:<ul>
-<li>src/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
+<li>src/graphar/<a class="el" href="graph__info_8cc_source.html">graph_info.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_vertex_iter.html b/docs/cpp/classgraphar_1_1_vertex_iter.html
index 73635e9..3036d5a 100644
--- a/docs/cpp/classgraphar_1_1_vertex_iter.html
+++ b/docs/cpp/classgraphar_1_1_vertex_iter.html
@@ -77,7 +77,7 @@ $(function() {
<p>The iterator for traversing a type of vertices.
<a href="classgraphar_1_1_vertex_iter.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -108,7 +108,7 @@ Public Member Functions</h2></td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The iterator for traversing a type of vertices. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00165">165</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00165">165</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a281decfe1d6d2286000452037d2b9f37"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a281decfe1d6d2286000452037d2b9f37">◆ </a></span>VertexIter() <span class="overload">[1/2]</span></h2>
@@ -159,7 +159,7 @@ Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00174">174</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00174">174</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -188,7 +188,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>Copy constructor. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00183">183</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00183">183</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -217,7 +217,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>Get the vertex id of the current offset. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00195">195</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00195">195</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -246,7 +246,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The inequality operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00250">250</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00250">250</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -274,7 +274,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>Construct and return the vertex of the current offset. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00187">187</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00187">187</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -303,7 +303,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The add operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00232">232</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00232">232</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -331,7 +331,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The prefix increment operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00219">219</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00219">219</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -360,7 +360,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The postfix increment operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00225">225</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00225">225</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -389,7 +389,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The add-assign operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00239">239</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00239">239</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -418,7 +418,7 @@ Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The equality operator. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00245">245</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00245">245</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -449,12 +449,12 @@ template<typename T > </div>
</div><div class="memdoc">
<p>Get the value for a property of the current vertex. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00199">199</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00199">199</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_vertex_property_arrow_chunk_reader.html b/docs/cpp/classgraphar_1_1_vertex_property_arrow_chunk_reader.html
index 9b32390..e784020 100644
--- a/docs/cpp/classgraphar_1_1_vertex_property_arrow_chunk_reader.html
+++ b/docs/cpp/classgraphar_1_1_vertex_property_arrow_chunk_reader.html
@@ -78,7 +78,7 @@ $(function() {
<p>The arrow chunk reader for vertex property group.
<a href="classgraphar_1_1_vertex_property_arrow_chunk_reader.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>></code></p>
+<p><code>#include <<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -121,7 +121,7 @@ Static Public Member Functions</h2></td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>The arrow chunk reader for vertex property group. </p>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8h_source.html#l00042">42</a> of file <a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8h_source.html#l00042">42</a> of file <a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a44be6db94a28763a095ebc0e578a9916"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a44be6db94a28763a095ebc0e578a9916">◆ </a></span>VertexPropertyArrowChunkReader()</h2>
@@ -171,7 +171,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00127">127</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00128">128</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -200,7 +200,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00200">200</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00201">201</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -261,7 +261,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00218">218</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00219">219</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -322,7 +322,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00232">232</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00233">233</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -383,7 +383,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00209">209</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00210">210</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -405,7 +405,7 @@ Static Public Member Functions</h2></td></tr>
<p>Sets chunk position indicator to next chunk. </p>
<p>if current chunk is the last chunk, will return <a class="el" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a> error. </p>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00188">188</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00189">189</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -433,7 +433,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00150">150</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00151">151</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
@@ -461,13 +461,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__reader_8cc_source.html#l00204">204</a> of file <a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__reader_8cc_source.html#l00205">205</a> of file <a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="arrow__chunk__reader_8h_source.html">arrow_chunk_reader.h</a></li>
-<li>src/<a class="el" href="arrow__chunk__reader_8cc_source.html">arrow_chunk_reader.cc</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8h_source.html">chunk_reader.h</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__reader_8cc_source.html">chunk_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_vertex_property_chunk_info_reader.html b/docs/cpp/classgraphar_1_1_vertex_property_chunk_info_reader.html
index 8d90527..43cd3b7 100644
--- a/docs/cpp/classgraphar_1_1_vertex_property_chunk_info_reader.html
+++ b/docs/cpp/classgraphar_1_1_vertex_property_chunk_info_reader.html
@@ -161,7 +161,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00032">32</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00033">33</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
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@@ -244,7 +244,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00086">86</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00087">87</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
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@@ -298,7 +298,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00097">97</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00098">98</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
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@@ -352,7 +352,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
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-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00077">77</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00078">78</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
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@@ -373,7 +373,7 @@ Static Public Member Functions</h2></td></tr>
<p>Sets chunk position indicator to next chunk.</p>
<p>if current chunk is the last chunk, will return <a class="el" href="classgraphar_1_1_status.html#a1f9b2120c7a6b3e66f9f2e31021df67f">Status::IndexError</a> error. </p>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00067">67</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00068">68</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
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@@ -401,13 +401,13 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00051">51</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__info__reader_8cc_source.html#l00052">52</a> of file <a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/reader/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
-<li>src/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8h_source.html">chunk_info_reader.h</a></li>
+<li>src/graphar/<a class="el" href="chunk__info__reader_8cc_source.html">chunk_info_reader.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_vertex_property_writer-members.html b/docs/cpp/classgraphar_1_1_vertex_property_writer-members.html
index 9dd0cc0..56e8c7d 100644
--- a/docs/cpp/classgraphar_1_1_vertex_property_writer-members.html
+++ b/docs/cpp/classgraphar_1_1_vertex_property_writer-members.html
@@ -78,12 +78,11 @@ $(function() {
<tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#abd49d4667c8ae05fb1eef8144189a326">Make</a>(const std::shared_ptr< GraphInfo > &graph_info, const std::string &label, const ValidateLevel &validate_level=ValidateLevel::no_validate)</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"><span class="mlabel">static</span></td></tr>
<tr><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a9ef1eba6f5508f5a83423bbe8bb12c9b">SetValidateLevel</a>(const ValidateLevel &validate_level)</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"><span class="mlabel">inline</span></td></tr>
<tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a0339d9ea7cdc643866152dddcf73f0f0">VertexPropertyWriter</a>(const std::shared_ptr< VertexInfo > &vertex_info, const std::string &prefix, const ValidateLevel &validate_level=ValidateLevel::no_validate)</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"><span class="mlabel">explic [...]
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">WriteChunk</a>(const std::string &file_name, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">WriteChunk</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></t [...]
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a51de0fd2b7444c6a25ae36389b74bfd3">WriteChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType start_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter< [...]
- <tr><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#aaa3107eb66941ceeb782280e3038ee4f">WriteTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType start_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"></td></tr>
- <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">WriteVerticesNum</a>(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"></td></tr>
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">WriteChunk</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class=" [...]
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a51de0fd2b7444c6a25ae36389b74bfd3">WriteChunk</a>(const std::shared_ptr< arrow::Table > &input_table, IdType chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"></td></tr>
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#adea3f0326fad64bc061bc5b01790ab47">WriteTable</a>(const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< PropertyGroup > &property_group, IdType start_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td c [...]
+ <tr class="even"><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#aaa3107eb66941ceeb782280e3038ee4f">WriteTable</a>(const std::shared_ptr< arrow::Table > &input_table, IdType start_chunk_index, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"></td></tr>
+ <tr><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">WriteVerticesNum</a>(const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td><td class="entry"><a class="el" href="classgraphar_1_1_vertex_property_writer.html">graphar::VertexPropertyWriter</a></td><td class="entry"></td></tr>
</table></div><!-- contents -->
<!--
Licensed to the Apache Software Foundation (ASF) under one
diff --git a/docs/cpp/classgraphar_1_1_vertex_property_writer.html b/docs/cpp/classgraphar_1_1_vertex_property_writer.html
index f67a8e9..9c41836 100644
--- a/docs/cpp/classgraphar_1_1_vertex_property_writer.html
+++ b/docs/cpp/classgraphar_1_1_vertex_property_writer.html
@@ -78,7 +78,7 @@ $(function() {
<p>The writer for vertex property group chunks.
<a href="classgraphar_1_1_vertex_property_writer.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>></code></p>
+<p><code>#include <<a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -94,9 +94,6 @@ Public Member Functions</h2></td></tr>
<tr class="memitem:addf40fb82fe987af091278e01995b87a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">WriteVerticesNum</a> (const IdType &count, ValidateLevel validate_level=ValidateLevel::default_validate) const</td></tr>
<tr class="memdesc:addf40fb82fe987af091278e01995b87a"><td class="mdescLeft"> </td><td class="mdescRight">Write the number of vertices into the file. <a href="classgraphar_1_1_vertex_property_writer.html#addf40fb82fe987af091278e01995b87a">More...</a><br /></td></tr>
<tr class="separator:addf40fb82fe987af091278e01995b87a"><td class="memSeparator" colspan="2"> </td></tr>
-<tr class="memitem:a158664e3fe97a4d9a106edb1222f5dd2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">WriteChunk</a> (const std::string &file_name, const std::shared_ptr< <a class="el" href="classgraphar_1_1_property_group.html">PropertyGroup</a> > &property_grou [...]
-<tr class="memdesc:a158664e3fe97a4d9a106edb1222f5dd2"><td class="mdescLeft"> </td><td class="mdescRight">Copy a file as a vertex property group chunk. <a href="classgraphar_1_1_vertex_property_writer.html#a158664e3fe97a4d9a106edb1222f5dd2">More...</a><br /></td></tr>
-<tr class="separator:a158664e3fe97a4d9a106edb1222f5dd2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5bad3bb184de34c951b1dea21cb1dcd5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgraphar_1_1_status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">WriteChunk</a> (const std::shared_ptr< arrow::Table > &input_table, const std::shared_ptr< <a class="el" href="classgraphar_1_1_property_group.html">PropertyGroup [...]
<tr class="memdesc:a5bad3bb184de34c951b1dea21cb1dcd5"><td class="mdescLeft"> </td><td class="mdescRight">Validate and write a single property group for a single vertex chunk. <a href="classgraphar_1_1_vertex_property_writer.html#a5bad3bb184de34c951b1dea21cb1dcd5">More...</a><br /></td></tr>
<tr class="separator:a5bad3bb184de34c951b1dea21cb1dcd5"><td class="memSeparator" colspan="2"> </td></tr>
@@ -127,7 +124,7 @@ Static Public Member Functions</h2></td></tr>
<p>ValidateLevel::weak_validate: to validate if the vertex count or vertex chunk index is non-negative, the property group exists and the size of input_table is not larger than the vertex chunk size;</p>
<p>ValidateLevel::strong_validate: besides weak_validate, also validate the schema of input_table is consistent with that of property group; for writing operations without input_table, such as writing vertices number or copying file, the strong_validate is same as weak_validate. </p>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8h_source.html#l00057">57</a> of file <a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8h_source.html#l00057">57</a> of file <a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a0339d9ea7cdc643866152dddcf73f0f0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0339d9ea7cdc643866152dddcf73f0f0">◆ </a></span>VertexPropertyWriter()</h2>
@@ -179,7 +176,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00102">102</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00102">102</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -210,7 +207,7 @@ Static Public Member Functions</h2></td></tr>
<p>Get the validate level. </p>
<dl class="section return"><dt>Returns</dt><dd>The validate level of this writer. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8h_source.html#l00090">90</a> of file <a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8h_source.html#l00090">90</a> of file <a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>.</p>
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@@ -264,7 +261,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00311">311</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00300">300</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -318,7 +315,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00304">304</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00293">293</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -354,12 +351,12 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8h_source.html#l00078">78</a> of file <a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8h_source.html#l00078">78</a> of file <a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a>.</p>
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@@ -408,12 +405,12 @@ Static Public Member Functions</h2></td></tr>
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<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00220">220</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00209">209</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
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@@ -455,61 +452,7 @@ Static Public Member Functions</h2></td></tr>
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<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00254">254</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
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- <td class="memname"><a class="el" href="classgraphar_1_1_status.html">Status</a> graphar::VertexPropertyWriter::WriteChunk </td>
- <td>(</td>
- <td class="paramtype">const std::string & </td>
- <td class="paramname"><em>file_name</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">const std::shared_ptr< <a class="el" href="classgraphar_1_1_property_group.html">PropertyGroup</a> > & </td>
- <td class="paramname"><em>property_group</em>, </td>
- </tr>
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- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">IdType </td>
- <td class="paramname"><em>chunk_index</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">ValidateLevel </td>
- <td class="paramname"><em>validate_level</em> = <code>ValidateLevel::default_validate</code> </td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td> const</td>
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-</div><div class="memdoc">
-
-<p>Copy a file as a vertex property group chunk. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">file_name</td><td>The file to copy. </td></tr>
- <tr><td class="paramname">property_group</td><td>The property group. </td></tr>
- <tr><td class="paramname">chunk_index</td><td>The index of the vertex chunk. </td></tr>
- <tr><td class="paramname">validate_level</td><td>The validate level for this operation, which is the writer's validate level by default. </td></tr>
- </table>
- </dd>
-</dl>
-<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00209">209</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00243">243</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
@@ -563,7 +506,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00265">265</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00254">254</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
@@ -610,7 +553,7 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00290">290</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00279">279</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
@@ -650,13 +593,13 @@ Static Public Member Functions</h2></td></tr>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="classgraphar_1_1_status.html" title="Status outcome object (success or error)">Status</a>: ok or error. </dd></dl>
-<p class="definition">Definition at line <a class="el" href="arrow__chunk__writer_8cc_source.html#l00201">201</a> of file <a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a>.</p>
+<p class="definition">Definition at line <a class="el" href="chunk__writer_8cc_source.html#l00201">201</a> of file <a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/writer/<a class="el" href="arrow__chunk__writer_8h_source.html">arrow_chunk_writer.h</a></li>
-<li>src/<a class="el" href="arrow__chunk__writer_8cc_source.html">arrow_chunk_writer.cc</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__writer_8h_source.html">chunk_writer.h</a></li>
+<li>src/graphar/arrow/<a class="el" href="chunk__writer_8cc_source.html">chunk_writer.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_vertices_collection.html b/docs/cpp/classgraphar_1_1_vertices_collection.html
index 0c7f8b9..c76ee56 100644
--- a/docs/cpp/classgraphar_1_1_vertices_collection.html
+++ b/docs/cpp/classgraphar_1_1_vertices_collection.html
@@ -78,7 +78,7 @@ $(function() {
<p><a class="el" href="classgraphar_1_1_vertices_collection.html" title="VerticesCollection is designed for reading a collection of vertices.">VerticesCollection</a> is designed for reading a collection of vertices.
<a href="classgraphar_1_1_vertices_collection.html#details">More...</a></p>
-<p><code>#include <<a class="el" href="graph_8h_source.html">graph.h</a>></code></p>
+<p><code>#include <<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
@@ -103,7 +103,7 @@ Static Public Member Functions</h2></td></tr>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classgraphar_1_1_vertices_collection.html" title="VerticesCollection is designed for reading a collection of vertices.">VerticesCollection</a> is designed for reading a collection of vertices. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00263">263</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00263">263</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="afe30040e4bb2d7b918bf45ec372b3154"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afe30040e4bb2d7b918bf45ec372b3154">◆ </a></span>VerticesCollection()</h2>
@@ -148,7 +148,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00271">271</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00271">271</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -177,7 +177,7 @@ Static Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The iterator pointing to the first vertex. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00286">286</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00286">286</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -205,7 +205,7 @@ Static Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The iterator pointing to the past-the-end element. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00289">289</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00289">289</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -234,7 +234,7 @@ Static Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>The iterator pointing to the vertex with specific id. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00294">294</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00294">294</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -281,7 +281,7 @@ Static Public Member Functions</h2></td></tr>
</dd>
</dl>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00305">305</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00305">305</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
@@ -309,12 +309,12 @@ Static Public Member Functions</h2></td></tr>
</div><div class="memdoc">
<p>Get the number of vertices in the collection. </p>
-<p class="definition">Definition at line <a class="el" href="graph_8h_source.html#l00297">297</a> of file <a class="el" href="graph_8h_source.html">graph.h</a>.</p>
+<p class="definition">Definition at line <a class="el" href="graph__reader_8h_source.html#l00297">297</a> of file <a class="el" href="graph__reader_8h_source.html">graph_reader.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/<a class="el" href="graph_8h_source.html">graph.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="graph__reader_8h_source.html">graph_reader.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1_yaml.html b/docs/cpp/classgraphar_1_1_yaml.html
index a0717c1..77c270d 100644
--- a/docs/cpp/classgraphar_1_1_yaml.html
+++ b/docs/cpp/classgraphar_1_1_yaml.html
@@ -191,8 +191,8 @@ Static Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/util/<a class="el" href="yaml_8h_source.html">yaml.h</a></li>
-<li>src/<a class="el" href="yaml_8cc_source.html">yaml.cc</a></li>
+<li>src/graphar/<a class="el" href="yaml_8h_source.html">yaml.h</a></li>
+<li>src/graphar/<a class="el" href="yaml_8cc_source.html">yaml.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1builder_1_1_edge.html b/docs/cpp/classgraphar_1_1builder_1_1_edge.html
index 6647ba5..eddba19 100644
--- a/docs/cpp/classgraphar_1_1builder_1_1_edge.html
+++ b/docs/cpp/classgraphar_1_1builder_1_1_edge.html
@@ -401,7 +401,7 @@ Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/writer/<a class="el" href="edges__builder_8h_source.html">edges_builder.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="edges__builder_8h_source.html">edges_builder.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1builder_1_1_edges_builder.html b/docs/cpp/classgraphar_1_1builder_1_1_edges_builder.html
index 2e863cc..4b04924 100644
--- a/docs/cpp/classgraphar_1_1builder_1_1_edges_builder.html
+++ b/docs/cpp/classgraphar_1_1builder_1_1_edges_builder.html
@@ -510,8 +510,8 @@ Static Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/writer/<a class="el" href="edges__builder_8h_source.html">edges_builder.h</a></li>
-<li>src/<a class="el" href="edges__builder_8cc_source.html">edges_builder.cc</a></li>
+<li>src/graphar/high-level/<a class="el" href="edges__builder_8h_source.html">edges_builder.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="edges__builder_8cc_source.html">edges_builder.cc</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1builder_1_1_vertex.html b/docs/cpp/classgraphar_1_1builder_1_1_vertex.html
index 2291eba..14f26b3 100644
--- a/docs/cpp/classgraphar_1_1builder_1_1_vertex.html
+++ b/docs/cpp/classgraphar_1_1builder_1_1_vertex.html
@@ -396,7 +396,7 @@ Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
-<li>include/graphar/writer/<a class="el" href="vertices__builder_8h_source.html">vertices_builder.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="vertices__builder_8h_source.html">vertices_builder.h</a></li>
</ul>
</div><!-- contents -->
<!--
diff --git a/docs/cpp/classgraphar_1_1builder_1_1_vertices_builder.html b/docs/cpp/classgraphar_1_1builder_1_1_vertices_builder.html
index a9429e9..38ecdb3 100644
--- a/docs/cpp/classgraphar_1_1builder_1_1_vertices_builder.html
+++ b/docs/cpp/classgraphar_1_1builder_1_1_vertices_builder.html
@@ -490,8 +490,8 @@ Static Public Member Functions</h2></td></tr>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
-<li>include/graphar/writer/<a class="el" href="vertices__builder_8h_source.html">vertices_builder.h</a></li>
-<li>src/<a class="el" href="vertices__builder_8cc_source.html">vertices_builder.cc</a></li>
+<li>src/graphar/high-level/<a class="el" href="vertices__builder_8h_source.html">vertices_builder.h</a></li>
+<li>src/graphar/high-level/<a class="el" href="vertices__builder_8cc_source.html">vertices_builder.cc</a></li>
</ul>
</div><!-- contents -->
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diff --git a/docs/cpp/convert__to__arrow__type_8h_source.html b/docs/cpp/convert__to__arrow__type_8h_source.html
index ccae949..502d9ed 100644
--- a/docs/cpp/convert__to__arrow__type_8h_source.html
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<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: include/graphar/util/convert_to_arrow_type.h Source File</title>
+<title>Apache GraphAr C++ Library: src/graphar/convert_to_arrow_type.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,7 +62,7 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li><li class="navelem"><a class="el" href="dir_272d678aaa23032e4dac3345bc790ad0.html">util</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li> </ul>
</div>
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<div class="header">
@@ -97,7 +97,7 @@ $(function() {
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "arrow/api.h"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "arrow/type.h"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
-<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/util/data_type.h"</span></div>
+<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "graphar/types.h"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>graphar {</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
@@ -150,8 +150,8 @@ $(function() {
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> } <span class="comment">// namespace graphar</span></div>
<div class="ttc" id="aclassgraphar_1_1_array_html"><div class="ttname"><a href="classgraphar_1_1_array.html">graphar::Array</a></div><div class="ttdef"><b>Definition:</b> <a href="util_8h_source.html#l00042">util.h:42</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_date_html"><div class="ttname"><a href="classgraphar_1_1_date.html">graphar::Date</a></div><div class="ttdef"><b>Definition:</b> <a href="data__type_8h_source.html#l00150">data_type.h:150</a></div></div>
-<div class="ttc" id="aclassgraphar_1_1_timestamp_html"><div class="ttname"><a href="classgraphar_1_1_timestamp.html">graphar::Timestamp</a></div><div class="ttdef"><b>Definition:</b> <a href="data__type_8h_source.html#l00138">data_type.h:138</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_date_html"><div class="ttname"><a href="classgraphar_1_1_date.html">graphar::Date</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00151">types.h:151</a></div></div>
+<div class="ttc" id="aclassgraphar_1_1_timestamp_html"><div class="ttname"><a href="classgraphar_1_1_timestamp.html">graphar::Timestamp</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00139">types.h:139</a></div></div>
<div class="ttc" id="astructgraphar_1_1_c_type_to_arrow_type_html"><div class="ttname"><a href="structgraphar_1_1_c_type_to_arrow_type.html">graphar::CTypeToArrowType</a></div><div class="ttdef"><b>Definition:</b> <a href="convert__to__arrow__type_8h_source.html#l00034">convert_to_arrow_type.h:34</a></div></div>
<div class="ttc" id="astructgraphar_1_1_type_to_arrow_type_html"><div class="ttname"><a href="structgraphar_1_1_type_to_arrow_type.html">graphar::TypeToArrowType</a></div><div class="ttdef"><b>Definition:</b> <a href="convert__to__arrow__type_8h_source.html#l00037">convert_to_arrow_type.h:37</a></div></div>
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diff --git a/docs/cpp/dir_e4f0216e1a20e7dfe196551cf0920ee8.html b/docs/cpp/dir_360ef3ae5e4df5878fa0b8837112e0b7.html
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<meta http-equiv="X-UA-Compatible" content="IE=9"/>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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+<title>Apache GraphAr C++ Library: src/graphar Directory Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,7 +62,7 @@ $(function() {
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<ul>
-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_e4f0216e1a20e7dfe196551cf0920ee8.html">graphar</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li> </ul>
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<div class="header">
diff --git a/docs/cpp/dir_1039a7d3805251ab6e49a4d01cd876bf.html b/docs/cpp/dir_37f05c718b2ac0c918080dddfde08e1d.html
similarity index 91%
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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+<title>Apache GraphAr C++ Library: src/graphar/high-level Directory Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,12 +62,12 @@ $(function() {
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+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_37f05c718b2ac0c918080dddfde08e1d.html">high-level</a></li> </ul>
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</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">writer Directory Reference</div> </div>
+<div class="title">high-level Directory Reference</div> </div>
</div><!--header-->
<div class="contents">
</div><!-- contents -->
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similarity index 91%
rename from docs/cpp/dir_d44c64559bbebec7f509842c48db8b23.html
rename to docs/cpp/dir_5b87a1545bb948d74c0f65e4acf76202.html
index 50cea3a..71cc5a1 100644
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@@ -5,7 +5,7 @@
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<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
-<title>Apache GraphAr C++ Library: include Directory Reference</title>
+<title>Apache GraphAr C++ Library: src/graphar/api Directory Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
@@ -62,18 +62,14 @@ $(function() {
<div id="nav-path" class="navpath">
<ul>
-<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li> </ul>
+<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_360ef3ae5e4df5878fa0b8837112e0b7.html">graphar</a></li><li class="navelem"><a class="el" href="dir_5b87a1545bb948d74c0f65e4acf76202.html">api</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="headertitle">
-<div class="title">include Directory Reference</div> </div>
+<div class="title">api Directory Reference</div> </div>
</div><!--header-->
<div class="contents">
-<table class="memberdecls">
-<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="subdirs"></a>
-Directories</h2></td></tr>
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index d7e57bc..6d66e97 100644
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@@ -70,6 +70,10 @@ $(function() {
<div class="title">src Directory Reference</div> </div>
</div><!--header-->
<div class="contents">
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="subdirs"></a>
+Directories</h2></td></tr>
+</table>
</div><!-- contents -->
<!--
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similarity index 90%
rename from docs/cpp/dir_272d678aaa23032e4dac3345bc790ad0.html
rename to docs/cpp/dir_8eab286ef154dc33b7755fb8706324e6.html
index b2c25ca..3e4834b 100644
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@@ -5,7 +5,7 @@
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... 5728 lines suppressed ...
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