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Posted to commits@arrow.apache.org by we...@apache.org on 2018/08/07 01:02:24 UTC
[09/51] [partial] arrow-site git commit: Update documentation for
0.10.0
http://git-wip-us.apache.org/repos/asf/arrow-site/blob/7f9d5fdc/docs/cpp/hdfs_8h_source.html
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diff --git a/docs/cpp/hdfs_8h_source.html b/docs/cpp/hdfs_8h_source.html
index bb2d692..51c8c8c 100644
--- a/docs/cpp/hdfs_8h_source.html
+++ b/docs/cpp/hdfs_8h_source.html
@@ -70,45 +70,46 @@ $(function() {
<div class="title">hdfs.h</div> </div>
</div><!--header-->
<div class="contents">
-<a href="hdfs_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span class="l
ineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// software distributed unde
r the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#ifndef ARROW_IO_HDFS</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</sp
an> <span class="preprocessor">#define ARROW_IO_HDFS</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <cstdint></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 <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 "<a class="code" href="interfaces_8h.html">arrow/io/interfaces.h</a>"<
/span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="macros_8h.html">arrow/util/macros.h</a>"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="visibility_8h.html">arrow/util/visibility.h</a>"</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><a class="code" href="namespacearrow.html">arrow</a> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">class </span>Buffer;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">class
</span>MemoryPool;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">class </span>Status;</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>io {</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> <span class="keyword">class </span>HdfsReadableFile;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">class </span>HdfsOutputStream;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html"> 41</a></span> <span class="keyword">struct </span><a class="cod
e" href="structarrow_1_1io_1_1_hdfs_path_info.html">HdfsPathInfo</a> {</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a67b9d0b55631b6bd151776af3c65bcdd"> 42</a></span>  <a class="code" href="structarrow_1_1io_1_1_object_type.html#a1058f546342de12b2b2ade7410f4de7a">ObjectType::type</a> <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a67b9d0b55631b6bd151776af3c65bcdd">kind</a>;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a07eb11cbce0126aa2d4f754bae91c8b3"> 44</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a07eb11cbce0126aa2d4f754bae91c8b3">name</a>;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_
info.html#a4d1e5aa6d3c36115c3d22dc6169c1a15"> 45</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a4d1e5aa6d3c36115c3d22dc6169c1a15">owner</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a514410f3fe5cc683e33b5dd0d6c837dc"> 46</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a514410f3fe5cc683e33b5dd0d6c837dc">group</a>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// Access times in UNIX timestamps (seconds)</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#ace8b31928fa6af87401eabf072380af7"> 49</a></span>  int64_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_inf
o.html#ace8b31928fa6af87401eabf072380af7">size</a>;</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#ad9d5d9dd17992865ba646a3c2d2064e0"> 50</a></span>  int64_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#ad9d5d9dd17992865ba646a3c2d2064e0">block_size</a>;</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="structarrow_1_1io_1_1_hdfs_path_info.html#a209165368b934ff9775dc40a96319152"> 52</a></span>  int32_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a209165368b934ff9775dc40a96319152">last_modified_time</a>;</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a614821e49ed4cfb27669cbbdf19219ab"> 53</a></span>  int32_t <a class="code" href="structarrow_1
_1io_1_1_hdfs_path_info.html#a614821e49ed4cfb27669cbbdf19219ab">last_access_time</a>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a3b2fcdb2a344f54080c9b67de4bda71c"> 55</a></span>  int16_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a3b2fcdb2a344f54080c9b67de4bda71c">replication</a>;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#af52863d30be7e7fbf0f3e419853d78ac"> 56</a></span>  int16_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#af52863d30be7e7fbf0f3e419853d78ac">permissions</a>;</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> </div><div class="line"><a name="l
00059"></a><span class="lineno"><a class="line" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1"> 59</a></span> <span class="keyword">enum class</span> <a class="code" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1">HdfsDriver</a> : char { <a class="code" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1ac9d3368d068a258ae32291e662fd182c">LIBHDFS</a>, <a class="code" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1a642a298f2455dac5335f24b4450ddb02">LIBHDFS3</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"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html"> 61</a></span> <span class="keyword">struct </span><a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html">HdfsConnectionConfig</a> {</div><div class="line"><a name="l00062"></a><span class="lineno"><a clas
s="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a9385f8c5533c7bc031a002ff4a1f1b12"> 62</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a9385f8c5533c7bc031a002ff4a1f1b12">host</a>;</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ade93c1d9226f3725e225db43d7f24f14"> 63</a></span>  <span class="keywordtype">int</span> <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ade93c1d9226f3725e225db43d7f24f14">port</a>;</div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a14e2d5125e7f6a279f9dd3d860606601"> 64</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a14e2d5125e7f6a279f9dd3d860606601">user</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"><a c
lass="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#afff850aed45fa5726af4f9af3db9f427"> 65</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#afff850aed45fa5726af4f9af3db9f427">kerb_ticket</a>;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ab780754ce4e655edb1545ff9cb203d06"> 66</a></span>  <a class="code" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1">HdfsDriver</a> <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ab780754ce4e655edb1545ff9cb203d06">driver</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="l00069"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hadoop_file_system.html"> 69</a></span>&#
160;<span class="keyword">class </span>ARROW_EXPORT <a class="code" href="classarrow_1_1io_1_1_hadoop_file_system.html">HadoopFileSystem</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1io_1_1_file_system.html">FileSystem</a> {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  ~<a class="code" href="classarrow_1_1io_1_1_hadoop_file_system.html">HadoopFileSystem</a>() <span class="keyword">override</span>;</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="comment">// Connect to an HDFS cluster given a configuration</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">//</span></div><div class="line"><a name="l000
75"></a><span class="lineno"> 75</span>  <span class="comment">// @param config (in): configuration for connecting</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// @param fs (out): the created client</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> <a class="code" href="classarrow_1_1_status.html">Status</a> Connect(<span class="keyword">const</span> <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html">HdfsConnectionConfig</a>* config,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  std::shared_ptr<HadoopFileSystem>* fs);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div cl
ass="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// Create directory and all parents</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">//</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// @param path (in): absolute HDFS path</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> MakeDirectory(<span class="keyword">const</span> std::string& path) <span class="keyword">override</span>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Dele
te file or directory</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// @param path: absolute path to data</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// @param recursive: if path is a directory, delete contents as well</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// @returns error status on failure</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Delete(<span class="keyword">const</span> std::string& path, <span class="keywordtype">bool</span> recursive = <span class="keyword">false</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>  <a class="code" h
ref="classarrow_1_1_status.html">Status</a> DeleteDirectory(<span class="keyword">const</span> std::string& path) <span class="keyword">override</span>;</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>  <span class="comment">// Disconnect from cluster</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">//</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Disconnect();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// @param path
(in): absolute HDFS path</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// @returns bool, true if the path exists, false if not (or on error)</span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">bool</span> Exists(<span class="keyword">const</span> std::string& path);</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="comment">// @param path (in): absolute HDFS path</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// @param info (out)</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> 
<a class="code" href="classarrow_1_1_status.html">Status</a> GetPathInfo(<span class="keyword">const</span> std::string& path, <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html">HdfsPathInfo</a>* info);</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="comment">// @param nbytes (out): total capacity of the filesystem</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetCapacity(int64_t* nbytes);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// @param nbytes (out
): total bytes used of the filesystem</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetUsed(int64_t* nbytes);</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetChildren(<span class="keyword">const</span> std::string& path, std::vector<std::string>* listing) <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> ListDirectory(<span class="keyword">c
onst</span> std::string& path, std::vector<HdfsPathInfo>* listing);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Chown(<span class="keyword">const</span> std::string& path, <span class="keyword">const</span> <span class="keywordtype">char</span>* owner, <span class="keyword">const</span> <span class="keywordtype">char</span>* group);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Chmod(<span class="keyword">const</span> std::string& path, <span class="keywordtype">int</span> mode);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135">
</a><span class="lineno"> 135</span>  <span class="comment">// Move file or directory from source path to destination path within the</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// current filesystem</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Rename(<span class="keyword">const</span> std::string& src, <span class="keyword">const</span> std::string& dst) <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Stat(<span class="keyword">const</span> std::string& path, <a class="code" href="structarrow_1_1io_1_1_file_statistics.html">FileStatistics</a>* stat) <span class="keyword">
override</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>  <span class="comment">// TODO(wesm): GetWorkingDirectory, SetWorkingDirectory</span></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>  <span class="comment">// Open an HDFS file in READ mode. Returns error</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// status if the file is not found.</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">//</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// @param path complete file path</span></div><div class="line"><a name="l00147"></a><span class="lineno"
> 147</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenReadable(<span class="keyword">const</span> std::string& path, int32_t buffer_size,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::shared_ptr<HdfsReadableFile>* file);</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenReadable(<span class="keyword">const</span> std::string& path, std::shared_ptr<HdfsReadableFile>* file);</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>  <span class="comment">// FileMode::WRITE options</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class
="comment">// @param path complete file path</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// @param buffer_size, 0 for default</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// @param replication, 0 for default</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// @param default_block_size, 0 for default</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenWriteable(<span class="keyword">const</span> std::string& path, <span class="keywordtype">bool</span> append, int32_t buffer_size,</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  int16_t replication, int64_t default_block_size,</div><div class="line"><a name="l00159"></a><
span class="lineno"> 159</span>  std::shared_ptr<HdfsOutputStream>* file);</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenWriteable(<span class="keyword">const</span> std::string& path, <span class="keywordtype">bool</span> append,</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  std::shared_ptr<HdfsOutputStream>* file);</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="keyword">private</span>:</div><div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hadoop_file_system.html#abc3f23e36cc88efe1f401afcc40e7d7c"> 165</a></sp
an>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>;</div><div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hadoop_file_system.html#aef44a7003c7ed4574da8ada762c967aa"> 166</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a>;</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>  <span class="keyword">class </span><a class="code" href="visibility_8h.html#a843cb8dccea68a22a2b9995605cb5a74">ARROW_NO_EXPORT</a> HadoopFileSystemImpl;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  std::unique_ptr<HadoopFileSystemImpl> impl_;</div><div class
="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <a class="code" href="classarrow_1_1io_1_1_hadoop_file_system.html">HadoopFileSystem</a>();</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="macros_8h.html#a40d72e185b1488b5659b761f0b6115bb">ARROW_DISALLOW_COPY_AND_ASSIGN</a>(<a class="code" href="classarrow_1_1io_1_1_hadoop_file_system.html">HadoopFileSystem</a>);</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> </div><div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hdfs_readable_file.html"> 175</a></span> <span class="keyword">class </span>ARROW_EXPORT <a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a> : <spa
n class="keyword">public</span> <a class="code" href="classarrow_1_1io_1_1_random_access_file.html">RandomAccessFile</a> {</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  ~<a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Close() <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetSize(int64_t* size) <span c
lass="keyword">override</span>;</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>  <span class="comment">// NOTE: If you wish to read a particular range of a file in a multithreaded</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// context, you may prefer to use ReadAt to avoid locking issues</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Read(int64_t nbytes, int64_t* bytes_read, <span class="keywordtype">void</span>* buffer) <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Read(in
t64_t nbytes, std::shared_ptr<Buffer>* out) <span class="keyword">override</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"> 189</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> ReadAt(int64_t position, int64_t nbytes, int64_t* bytes_read,</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">void</span>* buffer) <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> ReadAt(int64_t position, int64_t nbytes, std::shared_ptr<Buffer>* out) <span class="keyword">override</span>;</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>  <span class="keywordtype">bool</span> supports_zero_copy() <span class="keyword">const override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Seek(int64_t position) <span class="keyword">override</span>;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Tell(int64_t* position) <span class="keyword">const override</span>;</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>  <span class="keywordtype">void</span> set_memory_pool(<a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool);</
div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">explicit</span> <a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>(<a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool = <a class="code" href="macros_8h.html#a3ef7eab8cd0e570b6586628cc9d5ccab">NULLPTR</a>);</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">class </span><a class="code" href="visibility_8h.html#a843cb8dccea68a22a2b9995605cb5a74">ARROW_NO_EXPORT</a> HdfsReadableFileImpl;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  std::uniq
ue_ptr<HdfsReadableFileImpl> impl_;</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="classarrow_1_1io_1_1_hdfs_readable_file.html#a2c0e64271cef9799af36654b4b0e4604"> 207</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span>HadoopFileSystem::HadoopFileSystemImpl;</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>  <a class="code" href="macros_8h.html#a40d72e185b1488b5659b761f0b6115bb">ARROW_DISALLOW_COPY_AND_ASSIGN</a>(<a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>);</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> };</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div><div class="line"><a name="
l00212"></a><span class="lineno"> 212</span> <span class="comment">// Naming this file OutputStream because it does not support seeking (like the</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// WriteableFile interface)</span></div><div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hdfs_output_stream.html"> 214</a></span> <span class="keyword">class </span>ARROW_EXPORT <a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1io_1_1_output_stream.html">OutputStream</a> {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ~<a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputS
tream</a>() <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Close() <span class="keyword">override</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"> 220</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Write(<span class="keyword">const</span> <span class="keywordtype">void</span>* buffer, int64_t nbytes) <span class="keyword">override</span>;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Write(<span class="keyword">const</span> <span class="keywordtype"
>void</span>* buffer, int64_t nbytes, int64_t* bytes_written);</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Flush() <span class="keyword">override</span>;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Tell(int64_t* position) <span class="keyword">const override</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>  <span class="keyword">class </span><a class="code" href="visibility
_8h.html#a843cb8dccea68a22a2b9995605cb5a74">ARROW_NO_EXPORT</a> HdfsOutputStreamImpl;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  std::unique_ptr<HdfsOutputStreamImpl> impl_;</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="classarrow_1_1io_1_1_hdfs_output_stream.html#a2c0e64271cef9799af36654b4b0e4604"> 232</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span>HadoopFileSystem::HadoopFileSystemImpl;</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>  <a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a>();</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div><div class="line"><a name="l00236"></a>
<span class="lineno"> 236</span>  <a class="code" href="macros_8h.html#a40d72e185b1488b5659b761f0b6115bb">ARROW_DISALLOW_COPY_AND_ASSIGN</a>(<a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a>);</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> </div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <a class="code" href="classarrow_1_1_status.html">Status</a> ARROW_EXPORT <a class="code" href="namespacearrow_1_1io.html#a559bc6c902e7879baa1713f4de2b4639">HaveLibHdfs</a>();</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <a class="code" href="classarrow_1_1_status.html">Status</a> ARROW_EXPORT <a class="code" href="namespacearrow_1_1io.html#a9d672a377318a5a33081c2f52c4571f6">HaveLibHdfs3</a>();</div><div class="line"><a name="l00241"></a><span class="lineno"> 24
1</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> } <span class="comment">// namespace io</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> } <span class="comment">// namespace arrow</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> </div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor">#endif // ARROW_IO_HDFS</span></div><div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_a209165368b934ff9775dc40a96319152"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#a209165368b934ff9775dc40a96319152">arrow::io::HdfsPathInfo::last_modified_time</a></div><div class="ttdeci">int32_t last_modified_time</div><div class="ttdef"><b>Definition:</b> hdfs.h:52</div></div>
-<div class="ttc" id="classarrow_1_1io_1_1_hadoop_file_system_html"><div class="ttname"><a href="classarrow_1_1io_1_1_hadoop_file_system.html">arrow::io::HadoopFileSystem</a></div><div class="ttdef"><b>Definition:</b> hdfs.h:69</div></div>
-<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_a614821e49ed4cfb27669cbbdf19219ab"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#a614821e49ed4cfb27669cbbdf19219ab">arrow::io::HdfsPathInfo::last_access_time</a></div><div class="ttdeci">int32_t last_access_time</div><div class="ttdef"><b>Definition:</b> hdfs.h:53</div></div>
+<a href="hdfs_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a><span class="l
ineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// software distributed unde
r the License is distributed on an</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// specific language governing permissions and limitations</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// under the License.</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#ifndef ARROW_IO_HDFS</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</sp
an> <span class="preprocessor">#define ARROW_IO_HDFS</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <cstdint></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 <string></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <unordered_map></span></div><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 c
lass="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="interfaces_8h.html">arrow/io/interfaces.h</a>"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="macros_8h.html">arrow/util/macros.h</a>"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="visibility_8h.html">arrow/util/visibility.h</a>"</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><a class="code" href="namespacearrow.html">arrow</a> {</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">class </span>Buffer;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">class </span>MemoryPool;</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="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>io {</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> <span class="keyword">class </span>HdfsReadableFile;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">class </span>HdfsOutputStream;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span cla
ss="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html"> 42</a></span> <span class="keyword">struct </span><a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html">HdfsPathInfo</a> {</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a67b9d0b55631b6bd151776af3c65bcdd"> 43</a></span>  <a class="code" href="structarrow_1_1io_1_1_object_type.html#a1058f546342de12b2b2ade7410f4de7a">ObjectType::type</a> <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a67b9d0b55631b6bd151776af3c65bcdd">kind</a>;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a07eb11cbce0126aa2d4f754bae91c8b3"> 45</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a07eb11cbce0126a
a2d4f754bae91c8b3">name</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a4d1e5aa6d3c36115c3d22dc6169c1a15"> 46</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a4d1e5aa6d3c36115c3d22dc6169c1a15">owner</a>;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a514410f3fe5cc683e33b5dd0d6c837dc"> 47</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a514410f3fe5cc683e33b5dd0d6c837dc">group</a>;</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>  <span class="comment">// Access times in UNIX timestamps (seconds)</span></div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="structarrow_1_1io_
1_1_hdfs_path_info.html#ace8b31928fa6af87401eabf072380af7"> 50</a></span>  int64_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#ace8b31928fa6af87401eabf072380af7">size</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#ad9d5d9dd17992865ba646a3c2d2064e0"> 51</a></span>  int64_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#ad9d5d9dd17992865ba646a3c2d2064e0">block_size</a>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a209165368b934ff9775dc40a96319152"> 53</a></span>  int32_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a209165368b934ff9775dc40a96319152">last_modified_time</a>;</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" hr
ef="structarrow_1_1io_1_1_hdfs_path_info.html#a614821e49ed4cfb27669cbbdf19219ab"> 54</a></span>  int32_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a614821e49ed4cfb27669cbbdf19219ab">last_access_time</a>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#a3b2fcdb2a344f54080c9b67de4bda71c"> 56</a></span>  int16_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#a3b2fcdb2a344f54080c9b67de4bda71c">replication</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_path_info.html#af52863d30be7e7fbf0f3e419853d78ac"> 57</a></span>  int16_t <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html#af52863d30be7e7fbf0f3e419853d78ac">permissions</a>;</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> </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1"> 60</a></span> <span class="keyword">enum class</span> <a class="code" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1">HdfsDriver</a> : char { <a class="code" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1ac9d3368d068a258ae32291e662fd182c">LIBHDFS</a>, <a class="code" href="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1a642a298f2455dac5335f24b4450ddb02">LIBHDFS3</a> };</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="structarrow_1_1io_1_1_hdfs_connection_config.html"> 62</a></span> <span class="keyword">struct </span><a class="code" href="st
ructarrow_1_1io_1_1_hdfs_connection_config.html">HdfsConnectionConfig</a> {</div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a9385f8c5533c7bc031a002ff4a1f1b12"> 63</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a9385f8c5533c7bc031a002ff4a1f1b12">host</a>;</div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ade93c1d9226f3725e225db43d7f24f14"> 64</a></span>  <span class="keywordtype">int</span> <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ade93c1d9226f3725e225db43d7f24f14">port</a>;</div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a14e2d5125e7f6a279f9dd3d860606601"> 65</a></span>  std::string <a class="code" href="structarrow_1_1i
o_1_1_hdfs_connection_config.html#a14e2d5125e7f6a279f9dd3d860606601">user</a>;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#afff850aed45fa5726af4f9af3db9f427"> 66</a></span>  std::string <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#afff850aed45fa5726af4f9af3db9f427">kerb_ticket</a>;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a80309f39df9ab74cfee3c3dc4cb5ebab"> 67</a></span>  std::unordered_map<std::string, std::string> <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#a80309f39df9ab74cfee3c3dc4cb5ebab">extra_conf</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ab780754ce4e655edb1545ff9cb203d06"> 68</a></span>  <a class="code" href
="namespacearrow_1_1io.html#a35a5e7eb719b817f90642dc6588f8ec1">HdfsDriver</a> <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html#ab780754ce4e655edb1545ff9cb203d06">driver</a>;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> };</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hadoop_file_system.html"> 71</a></span> <span class="keyword">class </span>ARROW_EXPORT <a class="code" href="classarrow_1_1io_1_1_hadoop_file_system.html">HadoopFileSystem</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1io_1_1_file_system.html">FileSystem</a> {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  ~<a class="code"
href="classarrow_1_1io_1_1_hadoop_file_system.html">HadoopFileSystem</a>() <span class="keyword">override</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="comment">// Connect to an HDFS cluster given a configuration</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">//</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// @param config (in): configuration for connecting</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// @param fs (out): the created client</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00080"></a><span class="lineno
"> 80</span>  <span class="keyword">static</span> <a class="code" href="classarrow_1_1_status.html">Status</a> Connect(<span class="keyword">const</span> <a class="code" href="structarrow_1_1io_1_1_hdfs_connection_config.html">HdfsConnectionConfig</a>* config,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::shared_ptr<HadoopFileSystem>* fs);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// Create directory and all parents</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">//</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// @param path (in): absolute HDFS path</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86
</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> MakeDirectory(<span class="keyword">const</span> std::string& path) <span class="keyword">override</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">// Delete file or directory</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// @param path: absolute path to data</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// @param recursive: if path is a directory, delete contents as well</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// @retur
ns error status on failure</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Delete(<span class="keyword">const</span> std::string& path, <span class="keywordtype">bool</span> recursive = <span class="keyword">false</span>);</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> DeleteDirectory(<span class="keyword">const</span> std::string& path) <span class="keyword">override</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>  <span class="comment">// Disconnect from cluster</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class=
"comment">//</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Disconnect();</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// @param path (in): absolute HDFS path</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// @returns bool, true if the path exists, false if not (or on error)</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">bool</span> Exists(<span class="keyword">const</span> std::string& path);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</s
pan> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// @param path (in): absolute HDFS path</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// @param info (out)</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetPathInfo(<span class="keyword">const</span> std::string& path, <a class="code" href="structarrow_1_1io_1_1_hdfs_path_info.html">HdfsPathInfo</a>* info);</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>  <span class="comment">// @param nbytes (out): total capacity of the filesystem</span></di
v><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetCapacity(int64_t* nbytes);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// @param nbytes (out): total bytes used of the filesystem</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// @returns Status</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetUsed(int64_t* nbytes);</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetChildren(<span class="keyword">const</span> std::string& path, std::vector<std::string>* listing) <span class="keyword">override</span>;</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> ListDirectory(<span class="keyword">const</span> std::string& path, std::vector<HdfsPathInfo>* listing);</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Chown(<span class="keyword">const</span> std::string& path, <span class="keyword">const</span> <span class="keywordtype">char</span>* owner, <span class="keyword">cons
t</span> <span class="keywordtype">char</span>* group);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Chmod(<span class="keyword">const</span> std::string& path, <span class="keywordtype">int</span> mode);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Move file or directory from source path to destination path within the</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// current filesystem</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Rename(<span class="keyword">const</span> std::st
ring& src, <span class="keyword">const</span> std::string& dst) <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Stat(<span class="keyword">const</span> std::string& path, <a class="code" href="structarrow_1_1io_1_1_file_statistics.html">FileStatistics</a>* stat) <span class="keyword">override</span>;</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>  <span class="comment">// TODO(wesm): GetWorkingDirectory, SetWorkingDirectory</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// Open an HDFS f
ile in READ mode. Returns error</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// status if the file is not found.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">//</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// @param path complete file path</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenReadable(<span class="keyword">const</span> std::string& path, int32_t buffer_size,</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  std::shared_ptr<HdfsReadableFile>* file);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 1
52</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenReadable(<span class="keyword">const</span> std::string& path, std::shared_ptr<HdfsReadableFile>* file);</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="comment">// FileMode::WRITE options</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// @param path complete file path</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// @param buffer_size, 0 for default</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// @param replication, 0 for default</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// @param default_
block_size, 0 for default</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenWriteable(<span class="keyword">const</span> std::string& path, <span class="keywordtype">bool</span> append, int32_t buffer_size,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  int16_t replication, int64_t default_block_size,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  std::shared_ptr<HdfsOutputStream>* file);</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> OpenWriteable(<span class="keyword">const</span> std::string& path, <span class="keywordtype">bool</span> append,</div><div class="line"
><a name="l00164"></a><span class="lineno"> 164</span>  std::shared_ptr<HdfsOutputStream>* file);</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>  <span class="keyword">private</span>:</div><div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hadoop_file_system.html#abc3f23e36cc88efe1f401afcc40e7d7c"> 167</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>;</div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hadoop_file_system.html#aef44a7003c7ed4574da8ada762c967aa"> 168</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classarrow_1_1io_1_1_hd
fs_output_stream.html">HdfsOutputStream</a>;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keyword">class </span><a class="code" href="visibility_8h.html#a843cb8dccea68a22a2b9995605cb5a74">ARROW_NO_EXPORT</a> HadoopFileSystemImpl;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  std::unique_ptr<HadoopFileSystemImpl> impl_;</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>  <a class="code" href="classarrow_1_1io_1_1_hadoop_file_system.html">HadoopFileSystem</a>();</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="macros_8h.html#a40d72e185b1488b5659b761f0b6115bb">ARROW_DISALLOW_COPY_AND_ASSIGN</a>(<a class="code" href="classarrow_1_1io_1_
1_hadoop_file_system.html">HadoopFileSystem</a>);</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"><a class="line" href="classarrow_1_1io_1_1_hdfs_readable_file.html"> 177</a></span> <span class="keyword">class </span>ARROW_EXPORT <a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1io_1_1_random_access_file.html">RandomAccessFile</a> {</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  ~<a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>() <span class="keyword">override</span>;</div><div class="li
ne"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Close() <span class="keyword">override</span>;</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> GetSize(int64_t* size) <span class="keyword">override</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>  <span class="comment">// NOTE: If you wish to read a particular range of a file in a multithreaded</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// context, you may prefer to use ReadAt to avoid locking issues<
/span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Read(int64_t nbytes, int64_t* bytes_read, <span class="keywordtype">void</span>* buffer) <span class="keyword">override</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"> 189</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Read(int64_t nbytes, std::shared_ptr<Buffer>* out) <span class="keyword">override</span>;</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> ReadAt(int64_t position, int64_t nbytes, int64_t* bytes_read,</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> 
<span class="keywordtype">void</span>* buffer) <span class="keyword">override</span>;</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> ReadAt(int64_t position, int64_t nbytes, std::shared_ptr<Buffer>* out) <span class="keyword">override</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>  <span class="keywordtype">bool</span> supports_zero_copy() <span class="keyword">const override</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"> 198</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Seek(int64_t position) <span class="keyword">override</span>;
</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Tell(int64_t* position) <span class="keyword">const override</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"> 201</span>  <span class="keywordtype">void</span> set_memory_pool(<a class="code" href="classarrow_1_1_memory_pool.html">MemoryPool</a>* pool);</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>  <span class="keyword">private</span>:</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keyword">explicit</span> <a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>(<a class="code" href="classarrow_1_1_memory_pool.html">MemoryP
ool</a>* pool = <a class="code" href="macros_8h.html#a3ef7eab8cd0e570b6586628cc9d5ccab">NULLPTR</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>  <span class="keyword">class </span><a class="code" href="visibility_8h.html#a843cb8dccea68a22a2b9995605cb5a74">ARROW_NO_EXPORT</a> HdfsReadableFileImpl;</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  std::unique_ptr<HdfsReadableFileImpl> impl_;</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="classarrow_1_1io_1_1_hdfs_readable_file.html#a2c0e64271cef9799af36654b4b0e4604"> 209</a></span>  <span class="keyword">friend</span> <span class="keyword">class </span>HadoopFileSystem::HadoopFileSystemImpl;</div><div class="line"><a name="l00210"></a><span c
lass="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="macros_8h.html#a40d72e185b1488b5659b761f0b6115bb">ARROW_DISALLOW_COPY_AND_ASSIGN</a>(<a class="code" href="classarrow_1_1io_1_1_hdfs_readable_file.html">HdfsReadableFile</a>);</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"> 214</span> <span class="comment">// Naming this file OutputStream because it does not support seeking (like the</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment">// WriteableFile interface)</span></div><div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hdfs_output_stream.html"> 216</a></span> <span class="keyword">cla
ss </span>ARROW_EXPORT <a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a> : <span class="keyword">public</span> <a class="code" href="classarrow_1_1io_1_1_output_stream.html">OutputStream</a> {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  ~<a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a>() <span class="keyword">override</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"> 220</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Close() <span class="keyword">override</span>;</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div><div class="line"><a name="l00222"></a><span class="lineno">
222</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Write(<span class="keyword">const</span> <span class="keywordtype">void</span>* buffer, int64_t nbytes) <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Write(<span class="keyword">const</span> <span class="keywordtype">void</span>* buffer, int64_t nbytes, int64_t* bytes_written);</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="classarrow_1_1_status.html">Status</a> Flush() <span class="keyword">override</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>  <a class="code" href="classarrow_1_1_status.html">Status</a> Tell(int64_t* position) <span class="keyword">const override</span>;</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>  <span class="keyword">private</span>:</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">class </span><a class="code" href="visibility_8h.html#a843cb8dccea68a22a2b9995605cb5a74">ARROW_NO_EXPORT</a> HdfsOutputStreamImpl;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  std::unique_ptr<HdfsOutputStreamImpl> impl_;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="classarrow_1_1io_1_1_hdfs_output_stream.html#a2c0e64271cef9799af36654b4b0e4604"> 234<
/a></span>  <span class="keyword">friend</span> <span class="keyword">class </span>HadoopFileSystem::HadoopFileSystemImpl;</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a>();</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>  <a class="code" href="macros_8h.html#a40d72e185b1488b5659b761f0b6115bb">ARROW_DISALLOW_COPY_AND_ASSIGN</a>(<a class="code" href="classarrow_1_1io_1_1_hdfs_output_stream.html">HdfsOutputStream</a>);</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> </div><div class="line"><a name="l00241"></a><span class="lineno"> 241
</span> <a class="code" href="classarrow_1_1_status.html">Status</a> ARROW_EXPORT <a class="code" href="namespacearrow_1_1io.html#a559bc6c902e7879baa1713f4de2b4639">HaveLibHdfs</a>();</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <a class="code" href="classarrow_1_1_status.html">Status</a> ARROW_EXPORT <a class="code" href="namespacearrow_1_1io.html#a9d672a377318a5a33081c2f52c4571f6">HaveLibHdfs3</a>();</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> } <span class="comment">// namespace io</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> } <span class="comment">// namespace arrow</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="preprocessor">#endi
f // ARROW_IO_HDFS</span></div><div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_a209165368b934ff9775dc40a96319152"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#a209165368b934ff9775dc40a96319152">arrow::io::HdfsPathInfo::last_modified_time</a></div><div class="ttdeci">int32_t last_modified_time</div><div class="ttdef"><b>Definition:</b> hdfs.h:53</div></div>
+<div class="ttc" id="classarrow_1_1io_1_1_hadoop_file_system_html"><div class="ttname"><a href="classarrow_1_1io_1_1_hadoop_file_system.html">arrow::io::HadoopFileSystem</a></div><div class="ttdef"><b>Definition:</b> hdfs.h:71</div></div>
+<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_a614821e49ed4cfb27669cbbdf19219ab"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#a614821e49ed4cfb27669cbbdf19219ab">arrow::io::HdfsPathInfo::last_access_time</a></div><div class="ttdeci">int32_t last_access_time</div><div class="ttdef"><b>Definition:</b> hdfs.h:54</div></div>
<div class="ttc" id="classarrow_1_1io_1_1_output_stream_html"><div class="ttname"><a href="classarrow_1_1io_1_1_output_stream.html">arrow::io::OutputStream</a></div><div class="ttdef"><b>Definition:</b> interfaces.h:111</div></div>
<div class="ttc" id="structarrow_1_1io_1_1_file_statistics_html"><div class="ttname"><a href="structarrow_1_1io_1_1_file_statistics.html">arrow::io::FileStatistics</a></div><div class="ttdef"><b>Definition:</b> interfaces.h:44</div></div>
<div class="ttc" id="structarrow_1_1io_1_1_object_type_html_a1058f546342de12b2b2ade7410f4de7a"><div class="ttname"><a href="structarrow_1_1io_1_1_object_type.html#a1058f546342de12b2b2ade7410f4de7a">arrow::io::ObjectType::type</a></div><div class="ttdeci">type</div><div class="ttdef"><b>Definition:</b> interfaces.h:41</div></div>
-<div class="ttc" id="structarrow_1_1io_1_1_hdfs_connection_config_html"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_connection_config.html">arrow::io::HdfsConnectionConfig</a></div><div class="ttdef"><b>Definition:</b> hdfs.h:61</div></div>
+<div class="ttc" id="structarrow_1_1io_1_1_hdfs_connection_config_html"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_connection_config.html">arrow::io::HdfsConnectionConfig</a></div><div class="ttdef"><b>Definition:</b> hdfs.h:62</div></div>
<div class="ttc" id="namespacearrow_1_1io_html_a559bc6c902e7879baa1713f4de2b4639"><div class="ttname"><a href="namespacearrow_1_1io.html#a559bc6c902e7879baa1713f4de2b4639">arrow::io::HaveLibHdfs</a></div><div class="ttdeci">Status HaveLibHdfs()</div></div>
<div class="ttc" id="visibility_8h_html_a843cb8dccea68a22a2b9995605cb5a74"><div class="ttname"><a href="visibility_8h.html#a843cb8dccea68a22a2b9995605cb5a74">ARROW_NO_EXPORT</a></div><div class="ttdeci">#define ARROW_NO_EXPORT</div><div class="ttdef"><b>Definition:</b> visibility.h:42</div></div>
<div class="ttc" id="classarrow_1_1io_1_1_random_access_file_html"><div class="ttname"><a href="classarrow_1_1io_1_1_random_access_file.html">arrow::io::RandomAccessFile</a></div><div class="ttdef"><b>Definition:</b> interfaces.h:121</div></div>
-<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_ad9d5d9dd17992865ba646a3c2d2064e0"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#ad9d5d9dd17992865ba646a3c2d2064e0">arrow::io::HdfsPathInfo::block_size</a></div><div class="ttdeci">int64_t block_size</div><div class="ttdef"><b>Definition:</b> hdfs.h:50</div></div>
+<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_ad9d5d9dd17992865ba646a3c2d2064e0"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#ad9d5d9dd17992865ba646a3c2d2064e0">arrow::io::HdfsPathInfo::block_size</a></div><div class="ttdeci">int64_t block_size</div><div class="ttdef"><b>Definition:</b> hdfs.h:51</div></div>
<div class="ttc" id="macros_8h_html_a3ef7eab8cd0e570b6586628cc9d5ccab"><div class="ttname"><a href="macros_8h.html#a3ef7eab8cd0e570b6586628cc9d5ccab">NULLPTR</a></div><div class="ttdeci">#define NULLPTR</div><div class="ttdef"><b>Definition:</b> macros.h:69</div></div>
-<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_ace8b31928fa6af87401eabf072380af7"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#ace8b31928fa6af87401eabf072380af7">arrow::io::HdfsPathInfo::size</a></div><div class="ttdeci">int64_t size</div><div class="ttdef"><b>Definition:</b> hdfs.h:49</div></div>
-<div class="ttc" id="structarrow_1_1io_1_1_hdfs_connection_config_html_ab780754ce4e655edb1545ff9cb203d06"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_connection_config.html#ab780754ce4e655edb1545ff9cb203d06">arrow::io::HdfsConnectionConfig::driver</a></div><div class="ttdeci">HdfsDriver driver</div><div class="ttdef"><b>Definition:</b> hdfs.h:66</div></div>
-<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_a67b9d0b55631b6bd151776af3c65bcdd"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#a67b9d0b55631b6bd151776af3c65bcdd">arrow::io::HdfsPathInfo::kind</a></div><div class="ttdeci">ObjectType::type kind</div><div class="ttdef"><b>Definition:</b> hdfs.h:42</div></div>
-<div class="ttc" id="classarrow_1_1_status_html"><div class="ttname"><a href="classarrow_1_1_status.html">arrow::Status</a></div><div class="ttdef"><b>Definition:</b> status.h:93</div></div>
+<div class="ttc" id="structarrow_1_1io_1_1_hdfs_connection_config_html_a80309f39df9ab74cfee3c3dc4cb5ebab"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_connection_config.html#a80309f39df9ab74cfee3c3dc4cb5ebab">arrow::io::HdfsConnectionConfig::extra_conf</a></div><div class="ttdeci">std::unordered_map< std::string, std::string > extra_conf</div><div class="ttdef"><b>Definition:</b> hdfs.h:67</div></div>
+<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_ace8b31928fa6af87401eabf072380af7"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#ace8b31928fa6af87401eabf072380af7">arrow::io::HdfsPathInfo::size</a></div><div class="ttdeci">int64_t size</div><div class="ttdef"><b>Definition:</b> hdfs.h:50</div></div>
+<div class="ttc" id="structarrow_1_1io_1_1_hdfs_connection_config_html_ab780754ce4e655edb1545ff9cb203d06"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_connection_config.html#ab780754ce4e655edb1545ff9cb203d06">arrow::io::HdfsConnectionConfig::driver</a></div><div class="ttdeci">HdfsDriver driver</div><div class="ttdef"><b>Definition:</b> hdfs.h:68</div></div>
+<div class="ttc" id="structarrow_1_1io_1_1_hdfs_path_info_html_a67b9d0b55631b6bd151776af3c65bcdd"><div class="ttname"><a href="structarrow_1_1io_1_1_hdfs_path_info.html#a67b9d0b55631b6bd151776af3c65bcdd">arrow::io::HdfsPathInfo::kind</a></div><div class="ttdeci">ObjectType::type kind<
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