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From ol...@apache.org
Subject 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...
Date Wed, 09 Jan 2013 22:43:28 GMT
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&lt;String, Object&gt;
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&lt;String,
Integer&gt; partitionIndex = <strong class="jxr_keyword">new</strong> HashMap&lt;String,
Integer&gt;();
-<a class="jxr_linenumber" name="21" href="#21">21</a>      Map&lt;String,
String&gt; reversePartitionIndex = <strong class="jxr_keyword">new</strong>
HashMap&lt;String, String&gt;();
-<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 &lt; 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&lt;String&gt;
partitions = <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;();
-<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 &lt; 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&lt;String, Object&gt;
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&lt;String,
Integer&gt; partitionIndex = <strong class="jxr_keyword">new</strong> HashMap&lt;String,
Integer&gt;();
+<a class="jxr_linenumber" name="40" href="#40">40</a>      Map&lt;String,
String&gt; reversePartitionIndex = <strong class="jxr_keyword">new</strong>
HashMap&lt;String, String&gt;();
+<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 &lt; 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&lt;String,
List&lt;Integer&gt;&gt; nodeMasterAssignmentMap =
-<a class="jxr_linenumber" name="60" href="#60">60</a>          <strong class="jxr_keyword">new</strong>
TreeMap&lt;String, List&lt;Integer&gt;&gt;();
-<a class="jxr_linenumber" name="61" href="#61">61</a>      Map&lt;String,
Map&lt;String, List&lt;Integer&gt;&gt;&gt; combinedNodeSlaveAssignmentMap
=
-<a class="jxr_linenumber" name="62" href="#62">62</a>          <strong class="jxr_keyword">new</strong>
TreeMap&lt;String, Map&lt;String, List&lt;Integer&gt;&gt;&gt;();
-<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&lt;String&gt;
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&lt;Integer&gt;());
-<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&lt;String&gt;
partitions = <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;();
+<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 &lt; 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&lt;String, List&lt;Integer&gt;&gt;());
-<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 &lt; 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&lt;String,
List&lt;Integer&gt;&gt; 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&lt;Integer&gt;());
-<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&lt;String,
Object&gt; result = <strong class="jxr_keyword">new</strong> TreeMap&lt;String,
Object&gt;();
-<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&lt;String&gt;
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> &amp;&amp;
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> &amp;&amp;
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&lt;String,
List&lt;Integer&gt;&gt; nodeMasterAssignmentMap =
+<a class="jxr_linenumber" name="79" href="#79">79</a>          <strong class="jxr_keyword">new</strong>
TreeMap&lt;String, List&lt;Integer&gt;&gt;();
+<a class="jxr_linenumber" name="80" href="#80">80</a>      Map&lt;String,
Map&lt;String, List&lt;Integer&gt;&gt;&gt; combinedNodeSlaveAssignmentMap
=
+<a class="jxr_linenumber" name="81" href="#81">81</a>          <strong class="jxr_keyword">new</strong>
TreeMap&lt;String, Map&lt;String, List&lt;Integer&gt;&gt;&gt;();
+<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&lt;String&gt;
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&lt;Integer&gt;());
+<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&lt;String, List&lt;Integer&gt;&gt;());
+<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 &lt; 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&lt;String,
List&lt;Integer&gt;&gt; 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&lt;Integer&gt;());
+<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&lt;String,
Object&gt; result = <strong class="jxr_keyword">new</strong> TreeMap&lt;String,
Object&gt;();
+<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&lt;String&gt;
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> &amp;&amp;
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> &amp;&amp;
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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