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Posted to commits@helix.apache.org by ol...@apache.org on 2013/01/09 23:43:28 UTC
svn commit: r1431126 [13/13] - in /incubator/helix/site-content: ./
helix-admin-webapp/ helix-core/ involved/ mockservice/ recipes/
recipes/distributed-lock-manager/ recipes/rabbitmq-consumer-group/
recipes/rsync-replicated-file-system/ releasenotes/ x...
Modified: incubator/helix/site-content/xref/org/apache/helix/util/RebalanceUtil.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/util/RebalanceUtil.html?rev=1431126&r1=1431125&r2=1431126&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/util/RebalanceUtil.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/util/RebalanceUtil.html Wed Jan 9 22:43:24 2013
@@ -10,150 +10,169 @@
<a class="jxr_linenumber" name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.helix.util;
<a class="jxr_linenumber" name="2" href="#2">2</a>
-<a class="jxr_linenumber" name="3" href="#3">3</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
-<a class="jxr_linenumber" name="4" href="#4">4</a> <strong class="jxr_keyword">import</strong> java.util.Collections;
-<a class="jxr_linenumber" name="5" href="#5">5</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
-<a class="jxr_linenumber" name="6" href="#6">6</a> <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="7" href="#7">7</a> <strong class="jxr_keyword">import</strong> java.util.Map;
-<a class="jxr_linenumber" name="8" href="#8">8</a> <strong class="jxr_keyword">import</strong> java.util.TreeMap;
-<a class="jxr_linenumber" name="9" href="#9">9</a>
-<a class="jxr_linenumber" name="10" href="#10">10</a> <strong class="jxr_keyword">import</strong> org.apache.helix.HelixException;
-<a class="jxr_linenumber" name="11" href="#11">11</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.IdealState;
-<a class="jxr_linenumber" name="12" href="#12">12</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.StateModelDefinition;
-<a class="jxr_linenumber" name="13" href="#13">13</a>
-<a class="jxr_linenumber" name="14" href="#14">14</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/util/RebalanceUtil.html">RebalanceUtil</a>
-<a class="jxr_linenumber" name="15" href="#15">15</a> {
-<a class="jxr_linenumber" name="16" href="#16">16</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map<String, Object> buildInternalIdealState(<a href="../../../../org/apache/helix/model/IdealState.html">IdealState</a> state)
-<a class="jxr_linenumber" name="17" href="#17">17</a> {
-<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment">// Try parse the partition number from name DB_n. If not, sort the partitions and</em>
-<a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_comment">// assign id</em>
-<a class="jxr_linenumber" name="20" href="#20">20</a> Map<String, Integer> partitionIndex = <strong class="jxr_keyword">new</strong> HashMap<String, Integer>();
-<a class="jxr_linenumber" name="21" href="#21">21</a> Map<String, String> reversePartitionIndex = <strong class="jxr_keyword">new</strong> HashMap<String, String>();
-<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">boolean</strong> indexInPartitionName = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">for</strong> (String partitionId : state.getPartitionSet())
-<a class="jxr_linenumber" name="24" href="#24">24</a> {
-<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">int</strong> lastPos = partitionId.lastIndexOf(<span class="jxr_string">"_"</span>);
-<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">if</strong> (lastPos < 0)
-<a class="jxr_linenumber" name="27" href="#27">27</a> {
-<a class="jxr_linenumber" name="28" href="#28">28</a> indexInPartitionName = false;
-<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="30" href="#30">30</a> }
-<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="32" href="#32">32</a> {
-<a class="jxr_linenumber" name="33" href="#33">33</a> String idStr = partitionId.substring(lastPos + 1);
-<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">int</strong> partition = Integer.parseInt(idStr);
-<a class="jxr_linenumber" name="35" href="#35">35</a> partitionIndex.put(partitionId, partition);
-<a class="jxr_linenumber" name="36" href="#36">36</a> reversePartitionIndex.put(state.getResourceName() + <span class="jxr_string">"_"</span> + partition, partitionId);
-<a class="jxr_linenumber" name="37" href="#37">37</a> }
-<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">catch</strong> (Exception e)
-<a class="jxr_linenumber" name="39" href="#39">39</a> {
-<a class="jxr_linenumber" name="40" href="#40">40</a> indexInPartitionName = false;
-<a class="jxr_linenumber" name="41" href="#41">41</a> partitionIndex.clear();
-<a class="jxr_linenumber" name="42" href="#42">42</a> reversePartitionIndex.clear();
-<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="44" href="#44">44</a> }
-<a class="jxr_linenumber" name="45" href="#45">45</a> }
-<a class="jxr_linenumber" name="46" href="#46">46</a>
-<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">if</strong> (indexInPartitionName == false)
-<a class="jxr_linenumber" name="48" href="#48">48</a> {
-<a class="jxr_linenumber" name="49" href="#49">49</a> List<String> partitions = <strong class="jxr_keyword">new</strong> ArrayList<String>();
-<a class="jxr_linenumber" name="50" href="#50">50</a> partitions.addAll(state.getPartitionSet());
-<a class="jxr_linenumber" name="51" href="#51">51</a> Collections.sort(partitions);
-<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < partitions.size(); i++)
-<a class="jxr_linenumber" name="53" href="#53">53</a> {
-<a class="jxr_linenumber" name="54" href="#54">54</a> partitionIndex.put(partitions.get(i), i);
-<a class="jxr_linenumber" name="55" href="#55">55</a> reversePartitionIndex.put(state.getResourceName() + <span class="jxr_string">"_"</span> + i, partitions.get(i));
+<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
+<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
+<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
+<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
+<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
+<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
+<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
+<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
+<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
+<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
+<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
+<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
+<a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_comment"> * under the License.</em>
+<a class="jxr_linenumber" name="20" href="#20">20</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="21" href="#21">21</a>
+<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.Collections;
+<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.TreeMap;
+<a class="jxr_linenumber" name="28" href="#28">28</a>
+<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.helix.HelixException;
+<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.IdealState;
+<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.StateModelDefinition;
+<a class="jxr_linenumber" name="32" href="#32">32</a>
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/util/RebalanceUtil.html">RebalanceUtil</a>
+<a class="jxr_linenumber" name="34" href="#34">34</a> {
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map<String, Object> buildInternalIdealState(<a href="../../../../org/apache/helix/model/IdealState.html">IdealState</a> state)
+<a class="jxr_linenumber" name="36" href="#36">36</a> {
+<a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_comment">// Try parse the partition number from name DB_n. If not, sort the partitions and</em>
+<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_comment">// assign id</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a> Map<String, Integer> partitionIndex = <strong class="jxr_keyword">new</strong> HashMap<String, Integer>();
+<a class="jxr_linenumber" name="40" href="#40">40</a> Map<String, String> reversePartitionIndex = <strong class="jxr_keyword">new</strong> HashMap<String, String>();
+<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">boolean</strong> indexInPartitionName = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">for</strong> (String partitionId : state.getPartitionSet())
+<a class="jxr_linenumber" name="43" href="#43">43</a> {
+<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">int</strong> lastPos = partitionId.lastIndexOf(<span class="jxr_string">"_"</span>);
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">if</strong> (lastPos < 0)
+<a class="jxr_linenumber" name="46" href="#46">46</a> {
+<a class="jxr_linenumber" name="47" href="#47">47</a> indexInPartitionName = false;
+<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="49" href="#49">49</a> }
+<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="51" href="#51">51</a> {
+<a class="jxr_linenumber" name="52" href="#52">52</a> String idStr = partitionId.substring(lastPos + 1);
+<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">int</strong> partition = Integer.parseInt(idStr);
+<a class="jxr_linenumber" name="54" href="#54">54</a> partitionIndex.put(partitionId, partition);
+<a class="jxr_linenumber" name="55" href="#55">55</a> reversePartitionIndex.put(state.getResourceName() + <span class="jxr_string">"_"</span> + partition, partitionId);
<a class="jxr_linenumber" name="56" href="#56">56</a> }
-<a class="jxr_linenumber" name="57" href="#57">57</a> }
-<a class="jxr_linenumber" name="58" href="#58">58</a>
-<a class="jxr_linenumber" name="59" href="#59">59</a> Map<String, List<Integer>> nodeMasterAssignmentMap =
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">new</strong> TreeMap<String, List<Integer>>();
-<a class="jxr_linenumber" name="61" href="#61">61</a> Map<String, Map<String, List<Integer>>> combinedNodeSlaveAssignmentMap =
-<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">new</strong> TreeMap<String, Map<String, List<Integer>>>();
-<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">for</strong> (String partition : state.getPartitionSet())
-<a class="jxr_linenumber" name="64" href="#64">64</a> {
-<a class="jxr_linenumber" name="65" href="#65">65</a> List<String> instances = state.getRecord().getListField(partition);
-<a class="jxr_linenumber" name="66" href="#66">66</a> String master = instances.get(0);
-<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">if</strong> (!nodeMasterAssignmentMap.containsKey(master))
-<a class="jxr_linenumber" name="68" href="#68">68</a> {
-<a class="jxr_linenumber" name="69" href="#69">69</a> nodeMasterAssignmentMap.put(master, <strong class="jxr_keyword">new</strong> ArrayList<Integer>());
-<a class="jxr_linenumber" name="70" href="#70">70</a> }
-<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">if</strong> (!combinedNodeSlaveAssignmentMap.containsKey(master))
+<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">catch</strong> (Exception e)
+<a class="jxr_linenumber" name="58" href="#58">58</a> {
+<a class="jxr_linenumber" name="59" href="#59">59</a> indexInPartitionName = false;
+<a class="jxr_linenumber" name="60" href="#60">60</a> partitionIndex.clear();
+<a class="jxr_linenumber" name="61" href="#61">61</a> reversePartitionIndex.clear();
+<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="63" href="#63">63</a> }
+<a class="jxr_linenumber" name="64" href="#64">64</a> }
+<a class="jxr_linenumber" name="65" href="#65">65</a>
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">if</strong> (indexInPartitionName == false)
+<a class="jxr_linenumber" name="67" href="#67">67</a> {
+<a class="jxr_linenumber" name="68" href="#68">68</a> List<String> partitions = <strong class="jxr_keyword">new</strong> ArrayList<String>();
+<a class="jxr_linenumber" name="69" href="#69">69</a> partitions.addAll(state.getPartitionSet());
+<a class="jxr_linenumber" name="70" href="#70">70</a> Collections.sort(partitions);
+<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < partitions.size(); i++)
<a class="jxr_linenumber" name="72" href="#72">72</a> {
-<a class="jxr_linenumber" name="73" href="#73">73</a> combinedNodeSlaveAssignmentMap.put(master, <strong class="jxr_keyword">new</strong> TreeMap<String, List<Integer>>());
-<a class="jxr_linenumber" name="74" href="#74">74</a> }
-<a class="jxr_linenumber" name="75" href="#75">75</a> nodeMasterAssignmentMap.get(master).add(partitionIndex.get(partition));
-<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i < instances.size(); i++)
-<a class="jxr_linenumber" name="77" href="#77">77</a> {
-<a class="jxr_linenumber" name="78" href="#78">78</a> String instance = instances.get(i);
-<a class="jxr_linenumber" name="79" href="#79">79</a> Map<String, List<Integer>> slaveMap = combinedNodeSlaveAssignmentMap.get(master);
-<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">if</strong> (!slaveMap.containsKey(instance))
-<a class="jxr_linenumber" name="81" href="#81">81</a> {
-<a class="jxr_linenumber" name="82" href="#82">82</a> slaveMap.put(instance, <strong class="jxr_keyword">new</strong> ArrayList<Integer>());
-<a class="jxr_linenumber" name="83" href="#83">83</a> }
-<a class="jxr_linenumber" name="84" href="#84">84</a> slaveMap.get(instance).add(partitionIndex.get(partition));
-<a class="jxr_linenumber" name="85" href="#85">85</a> }
-<a class="jxr_linenumber" name="86" href="#86">86</a> }
-<a class="jxr_linenumber" name="87" href="#87">87</a>
-<a class="jxr_linenumber" name="88" href="#88">88</a> Map<String, Object> result = <strong class="jxr_keyword">new</strong> TreeMap<String, Object>();
-<a class="jxr_linenumber" name="89" href="#89">89</a> result.put(<span class="jxr_string">"MasterAssignmentMap"</span>, nodeMasterAssignmentMap);
-<a class="jxr_linenumber" name="90" href="#90">90</a> result.put(<span class="jxr_string">"SlaveAssignmentMap"</span>, combinedNodeSlaveAssignmentMap);
-<a class="jxr_linenumber" name="91" href="#91">91</a> result.put(<span class="jxr_string">"replicas"</span>, Integer.parseInt(state.getReplicas()));
-<a class="jxr_linenumber" name="92" href="#92">92</a> result.put(<span class="jxr_string">"partitions"</span>, <strong class="jxr_keyword">new</strong> Integer(state.getRecord().getListFields().size()));
-<a class="jxr_linenumber" name="93" href="#93">93</a> result.put(<span class="jxr_string">"reversePartitionIndex"</span>, reversePartitionIndex);
-<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">return</strong> result;
-<a class="jxr_linenumber" name="95" href="#95">95</a> }
-<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String[] parseStates(String clusterName, <a href="../../../../org/apache/helix/model/StateModelDefinition.html">StateModelDefinition</a> stateModDef)
-<a class="jxr_linenumber" name="97" href="#97">97</a> {
-<a class="jxr_linenumber" name="98" href="#98">98</a> String[] result = <strong class="jxr_keyword">new</strong> String[2];
-<a class="jxr_linenumber" name="99" href="#99">99</a> String masterStateValue = <strong class="jxr_keyword">null</strong>, slaveStateValue = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="100" href="#100">100</a>
-<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_comment">// StateModelDefinition def = new StateModelDefinition(stateModDef);</em>
-<a class="jxr_linenumber" name="102" href="#102">102</a>
-<a class="jxr_linenumber" name="103" href="#103">103</a> List<String> statePriorityList = stateModDef.getStatesPriorityList();
-<a class="jxr_linenumber" name="104" href="#104">104</a>
-<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">for</strong> (String state : statePriorityList)
-<a class="jxr_linenumber" name="106" href="#106">106</a> {
-<a class="jxr_linenumber" name="107" href="#107">107</a> String count = stateModDef.getNumInstancesPerState(state);
-<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">if</strong> (count.equals(<span class="jxr_string">"1"</span>))
-<a class="jxr_linenumber" name="109" href="#109">109</a> {
-<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">if</strong> (masterStateValue != <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="111" href="#111">111</a> {
-<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
-<a class="jxr_linenumber" name="113" href="#113">113</a> }
-<a class="jxr_linenumber" name="114" href="#114">114</a> masterStateValue = state;
-<a class="jxr_linenumber" name="115" href="#115">115</a> }
-<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (count.equalsIgnoreCase(<span class="jxr_string">"R"</span>))
-<a class="jxr_linenumber" name="117" href="#117">117</a> {
-<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">if</strong> (slaveStateValue != <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="119" href="#119">119</a> {
-<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
-<a class="jxr_linenumber" name="121" href="#121">121</a> }
-<a class="jxr_linenumber" name="122" href="#122">122</a> slaveStateValue = state;
-<a class="jxr_linenumber" name="123" href="#123">123</a> }
-<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (count.equalsIgnoreCase(<span class="jxr_string">"N"</span>))
-<a class="jxr_linenumber" name="125" href="#125">125</a> {
-<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">if</strong> (!(masterStateValue == <strong class="jxr_keyword">null</strong> && slaveStateValue == <strong class="jxr_keyword">null</strong>))
-<a class="jxr_linenumber" name="127" href="#127">127</a> {
-<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
-<a class="jxr_linenumber" name="129" href="#129">129</a> }
-<a class="jxr_linenumber" name="130" href="#130">130</a> masterStateValue = slaveStateValue = state;
-<a class="jxr_linenumber" name="131" href="#131">131</a> }
-<a class="jxr_linenumber" name="132" href="#132">132</a> }
-<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">if</strong> (masterStateValue == <strong class="jxr_keyword">null</strong> && slaveStateValue == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="134" href="#134">134</a> {
-<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
-<a class="jxr_linenumber" name="136" href="#136">136</a> }
-<a class="jxr_linenumber" name="137" href="#137">137</a>
-<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">if</strong> (masterStateValue == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="139" href="#139">139</a> {
-<a class="jxr_linenumber" name="140" href="#140">140</a> masterStateValue = slaveStateValue;
-<a class="jxr_linenumber" name="141" href="#141">141</a> }
-<a class="jxr_linenumber" name="142" href="#142">142</a> result[0] = masterStateValue;
-<a class="jxr_linenumber" name="143" href="#143">143</a> result[1] = slaveStateValue;
-<a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">return</strong> result;
-<a class="jxr_linenumber" name="145" href="#145">145</a> }
-<a class="jxr_linenumber" name="146" href="#146">146</a> }
+<a class="jxr_linenumber" name="73" href="#73">73</a> partitionIndex.put(partitions.get(i), i);
+<a class="jxr_linenumber" name="74" href="#74">74</a> reversePartitionIndex.put(state.getResourceName() + <span class="jxr_string">"_"</span> + i, partitions.get(i));
+<a class="jxr_linenumber" name="75" href="#75">75</a> }
+<a class="jxr_linenumber" name="76" href="#76">76</a> }
+<a class="jxr_linenumber" name="77" href="#77">77</a>
+<a class="jxr_linenumber" name="78" href="#78">78</a> Map<String, List<Integer>> nodeMasterAssignmentMap =
+<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">new</strong> TreeMap<String, List<Integer>>();
+<a class="jxr_linenumber" name="80" href="#80">80</a> Map<String, Map<String, List<Integer>>> combinedNodeSlaveAssignmentMap =
+<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">new</strong> TreeMap<String, Map<String, List<Integer>>>();
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">for</strong> (String partition : state.getPartitionSet())
+<a class="jxr_linenumber" name="83" href="#83">83</a> {
+<a class="jxr_linenumber" name="84" href="#84">84</a> List<String> instances = state.getRecord().getListField(partition);
+<a class="jxr_linenumber" name="85" href="#85">85</a> String master = instances.get(0);
+<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">if</strong> (!nodeMasterAssignmentMap.containsKey(master))
+<a class="jxr_linenumber" name="87" href="#87">87</a> {
+<a class="jxr_linenumber" name="88" href="#88">88</a> nodeMasterAssignmentMap.put(master, <strong class="jxr_keyword">new</strong> ArrayList<Integer>());
+<a class="jxr_linenumber" name="89" href="#89">89</a> }
+<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">if</strong> (!combinedNodeSlaveAssignmentMap.containsKey(master))
+<a class="jxr_linenumber" name="91" href="#91">91</a> {
+<a class="jxr_linenumber" name="92" href="#92">92</a> combinedNodeSlaveAssignmentMap.put(master, <strong class="jxr_keyword">new</strong> TreeMap<String, List<Integer>>());
+<a class="jxr_linenumber" name="93" href="#93">93</a> }
+<a class="jxr_linenumber" name="94" href="#94">94</a> nodeMasterAssignmentMap.get(master).add(partitionIndex.get(partition));
+<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i < instances.size(); i++)
+<a class="jxr_linenumber" name="96" href="#96">96</a> {
+<a class="jxr_linenumber" name="97" href="#97">97</a> String instance = instances.get(i);
+<a class="jxr_linenumber" name="98" href="#98">98</a> Map<String, List<Integer>> slaveMap = combinedNodeSlaveAssignmentMap.get(master);
+<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">if</strong> (!slaveMap.containsKey(instance))
+<a class="jxr_linenumber" name="100" href="#100">100</a> {
+<a class="jxr_linenumber" name="101" href="#101">101</a> slaveMap.put(instance, <strong class="jxr_keyword">new</strong> ArrayList<Integer>());
+<a class="jxr_linenumber" name="102" href="#102">102</a> }
+<a class="jxr_linenumber" name="103" href="#103">103</a> slaveMap.get(instance).add(partitionIndex.get(partition));
+<a class="jxr_linenumber" name="104" href="#104">104</a> }
+<a class="jxr_linenumber" name="105" href="#105">105</a> }
+<a class="jxr_linenumber" name="106" href="#106">106</a>
+<a class="jxr_linenumber" name="107" href="#107">107</a> Map<String, Object> result = <strong class="jxr_keyword">new</strong> TreeMap<String, Object>();
+<a class="jxr_linenumber" name="108" href="#108">108</a> result.put(<span class="jxr_string">"MasterAssignmentMap"</span>, nodeMasterAssignmentMap);
+<a class="jxr_linenumber" name="109" href="#109">109</a> result.put(<span class="jxr_string">"SlaveAssignmentMap"</span>, combinedNodeSlaveAssignmentMap);
+<a class="jxr_linenumber" name="110" href="#110">110</a> result.put(<span class="jxr_string">"replicas"</span>, Integer.parseInt(state.getReplicas()));
+<a class="jxr_linenumber" name="111" href="#111">111</a> result.put(<span class="jxr_string">"partitions"</span>, <strong class="jxr_keyword">new</strong> Integer(state.getRecord().getListFields().size()));
+<a class="jxr_linenumber" name="112" href="#112">112</a> result.put(<span class="jxr_string">"reversePartitionIndex"</span>, reversePartitionIndex);
+<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="114" href="#114">114</a> }
+<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String[] parseStates(String clusterName, <a href="../../../../org/apache/helix/model/StateModelDefinition.html">StateModelDefinition</a> stateModDef)
+<a class="jxr_linenumber" name="116" href="#116">116</a> {
+<a class="jxr_linenumber" name="117" href="#117">117</a> String[] result = <strong class="jxr_keyword">new</strong> String[2];
+<a class="jxr_linenumber" name="118" href="#118">118</a> String masterStateValue = <strong class="jxr_keyword">null</strong>, slaveStateValue = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="119" href="#119">119</a>
+<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_comment">// StateModelDefinition def = new StateModelDefinition(stateModDef);</em>
+<a class="jxr_linenumber" name="121" href="#121">121</a>
+<a class="jxr_linenumber" name="122" href="#122">122</a> List<String> statePriorityList = stateModDef.getStatesPriorityList();
+<a class="jxr_linenumber" name="123" href="#123">123</a>
+<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">for</strong> (String state : statePriorityList)
+<a class="jxr_linenumber" name="125" href="#125">125</a> {
+<a class="jxr_linenumber" name="126" href="#126">126</a> String count = stateModDef.getNumInstancesPerState(state);
+<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">if</strong> (count.equals(<span class="jxr_string">"1"</span>))
+<a class="jxr_linenumber" name="128" href="#128">128</a> {
+<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">if</strong> (masterStateValue != <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="130" href="#130">130</a> {
+<a class="jxr_linenumber" name="131" href="#131">131</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
+<a class="jxr_linenumber" name="132" href="#132">132</a> }
+<a class="jxr_linenumber" name="133" href="#133">133</a> masterStateValue = state;
+<a class="jxr_linenumber" name="134" href="#134">134</a> }
+<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (count.equalsIgnoreCase(<span class="jxr_string">"R"</span>))
+<a class="jxr_linenumber" name="136" href="#136">136</a> {
+<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">if</strong> (slaveStateValue != <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="138" href="#138">138</a> {
+<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
+<a class="jxr_linenumber" name="140" href="#140">140</a> }
+<a class="jxr_linenumber" name="141" href="#141">141</a> slaveStateValue = state;
+<a class="jxr_linenumber" name="142" href="#142">142</a> }
+<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (count.equalsIgnoreCase(<span class="jxr_string">"N"</span>))
+<a class="jxr_linenumber" name="144" href="#144">144</a> {
+<a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">if</strong> (!(masterStateValue == <strong class="jxr_keyword">null</strong> && slaveStateValue == <strong class="jxr_keyword">null</strong>))
+<a class="jxr_linenumber" name="146" href="#146">146</a> {
+<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
+<a class="jxr_linenumber" name="148" href="#148">148</a> }
+<a class="jxr_linenumber" name="149" href="#149">149</a> masterStateValue = slaveStateValue = state;
+<a class="jxr_linenumber" name="150" href="#150">150</a> }
+<a class="jxr_linenumber" name="151" href="#151">151</a> }
+<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">if</strong> (masterStateValue == <strong class="jxr_keyword">null</strong> && slaveStateValue == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="153" href="#153">153</a> {
+<a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/HelixException.html">HelixException</a>(<span class="jxr_string">"Invalid or unsupported state model definition"</span>);
+<a class="jxr_linenumber" name="155" href="#155">155</a> }
+<a class="jxr_linenumber" name="156" href="#156">156</a>
+<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">if</strong> (masterStateValue == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="158" href="#158">158</a> {
+<a class="jxr_linenumber" name="159" href="#159">159</a> masterStateValue = slaveStateValue;
+<a class="jxr_linenumber" name="160" href="#160">160</a> }
+<a class="jxr_linenumber" name="161" href="#161">161</a> result[0] = masterStateValue;
+<a class="jxr_linenumber" name="162" href="#162">162</a> result[1] = slaveStateValue;
+<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="164" href="#164">164</a> }
+<a class="jxr_linenumber" name="165" href="#165">165</a> }
</pre>
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