helix-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From kisho...@apache.org
Subject svn commit: r1519752 [45/46] - in /incubator/helix/site-content: ./ apidocs/assets/ apidocs/reference/ apidocs/reference/org/apache/helix/ apidocs/reference/org/apache/helix/agent/ apidocs/reference/org/apache/helix/alerts/ apidocs/reference/org/apache...
Date Tue, 03 Sep 2013 16:43:56 GMT
Modified: incubator/helix/site-content/xref/org/apache/helix/controller/ExternalViewGenerator.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/controller/ExternalViewGenerator.html?rev=1519752&r1=1519751&r2=1519752&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/controller/ExternalViewGenerator.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/controller/ExternalViewGenerator.html Tue Sep  3 16:43:37 2013
@@ -42,130 +42,105 @@
 <a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.CurrentState.CurrentStateProperty;
 <a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
 <a class="jxr_linenumber" name="34" href="#34">34</a>  
-<a class="jxr_linenumber" name="35" href="#35">35</a>  
-<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_comment"> * ZKRoutingInfoProvider keeps a copy of the routing table. Given a partition id,</em>
-<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_comment"> * it will return</em>
-<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_comment"> *</em>
-<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_comment"> * 1. The list of partition that can be read</em>
-<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_comment"> * 2. the master partition, for write operation</em>
-<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_comment"> *</em>
-<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_comment"> * The routing table is constructed from the currentState of each storage nodes.</em>
-<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_comment"> * The current state is a list of following pairs: partition-id:State(MASTER / SLAVE)</em>
-<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_comment"> *</em>
-<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_comment"> * TODO: move the code as part of router process</em>
-<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_comment"> * TODO: add listeners to node current state changes</em>
-<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_comment"> * */</em>
-<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/controller/ExternalViewGenerator.html">ExternalViewGenerator</a>
-<a class="jxr_linenumber" name="50" href="#50">50</a>  {
-<a class="jxr_linenumber" name="51" href="#51">51</a>    <strong class="jxr_keyword">static</strong> Logger _logger = Logger.getLogger(ExternalViewGenerator.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="52" href="#52">52</a>  
-<a class="jxr_linenumber" name="53" href="#53">53</a>    <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_comment">   * Given a list of external view ZNRecord nodes(one for each cluster),</em>
-<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_comment">   * calculate the routing map.</em>
-<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_comment">   *</em>
-<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_comment">   * The format of the routing map is like this:</em>
-<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_comment">   *</em>
-<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_comment">   * Map&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&gt; maps from a partitionName to its</em>
-<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_comment">   * states Map&lt;String, List&lt;String&gt;&gt; The second Map maps from a state</em>
-<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_comment">   * ("MASTER", "SLAVE"...) to a list of nodeNames</em>
-<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_comment">   *</em>
-<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_comment">   * So that the we can query the map for the list of nodes by providing the</em>
-<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_comment">   * partition name and the expected state.</em>
-<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_comment">   */</em>
-<a class="jxr_linenumber" name="66" href="#66">66</a>    <strong class="jxr_keyword">public</strong> Map&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&gt; getRouterMapFromExternalView(
-<a class="jxr_linenumber" name="67" href="#67">67</a>        List&lt;ZNRecord&gt; externalViewList)
-<a class="jxr_linenumber" name="68" href="#68">68</a>    {
-<a class="jxr_linenumber" name="69" href="#69">69</a>      Map&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&gt; result = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&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">for</strong> (ZNRecord nodeView : externalViewList)
-<a class="jxr_linenumber" name="72" href="#72">72</a>      {
-<a class="jxr_linenumber" name="73" href="#73">73</a>        Map&lt;String, Map&lt;String, String&gt;&gt; partitionNodeStateMap = nodeView
-<a class="jxr_linenumber" name="74" href="#74">74</a>            .getMapFields();
-<a class="jxr_linenumber" name="75" href="#75">75</a>        <strong class="jxr_keyword">for</strong> (String partitionId : partitionNodeStateMap.keySet())
-<a class="jxr_linenumber" name="76" href="#76">76</a>        {
-<a class="jxr_linenumber" name="77" href="#77">77</a>          <strong class="jxr_keyword">if</strong> (!result.containsKey(partitionId))
-<a class="jxr_linenumber" name="78" href="#78">78</a>          {
-<a class="jxr_linenumber" name="79" href="#79">79</a>            result.put(partitionId, <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Set&lt;String&gt;&gt;());
-<a class="jxr_linenumber" name="80" href="#80">80</a>          }
-<a class="jxr_linenumber" name="81" href="#81">81</a>          Map&lt;String, String&gt; nodeStateMap = partitionNodeStateMap.get(partitionId);
-<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">for</strong> (String nodeName : nodeStateMap.keySet())
-<a class="jxr_linenumber" name="83" href="#83">83</a>          {
-<a class="jxr_linenumber" name="84" href="#84">84</a>            String state = nodeStateMap.get(nodeName);
-<a class="jxr_linenumber" name="85" href="#85">85</a>            <strong class="jxr_keyword">if</strong> (!result.get(partitionId).containsKey(state))
-<a class="jxr_linenumber" name="86" href="#86">86</a>            {
-<a class="jxr_linenumber" name="87" href="#87">87</a>              result.get(partitionId).put(state, <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;());
-<a class="jxr_linenumber" name="88" href="#88">88</a>            }
-<a class="jxr_linenumber" name="89" href="#89">89</a>            result.get(partitionId).get(state).add(nodeName);
-<a class="jxr_linenumber" name="90" href="#90">90</a>          }
-<a class="jxr_linenumber" name="91" href="#91">91</a>        }
-<a class="jxr_linenumber" name="92" href="#92">92</a>      }
-<a class="jxr_linenumber" name="93" href="#93">93</a>      <strong class="jxr_keyword">return</strong> result;
-<a class="jxr_linenumber" name="94" href="#94">94</a>    }
-<a class="jxr_linenumber" name="95" href="#95">95</a>  
-<a class="jxr_linenumber" name="96" href="#96">96</a>    <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_comment">   * The parameter is a map that maps the nodeName to a list of ZNRecords.</em>
-<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_comment">   */</em>
-<a class="jxr_linenumber" name="99" href="#99">99</a>    <strong class="jxr_keyword">public</strong> List&lt;ZNRecord&gt; computeExternalView(
-<a class="jxr_linenumber" name="100" href="#100">100</a>       Map&lt;String, List&lt;ZNRecord&gt;&gt; currentStates, List&lt;ZNRecord&gt; idealStates)
-<a class="jxr_linenumber" name="101" href="#101">101</a>   {
-<a class="jxr_linenumber" name="102" href="#102">102</a>     List&lt;ZNRecord&gt; resultList = <strong class="jxr_keyword">new</strong> ArrayList&lt;ZNRecord&gt;();
-<a class="jxr_linenumber" name="103" href="#103">103</a>     Map&lt;String, ZNRecord&gt; resultRoutingTable = <strong class="jxr_keyword">new</strong> HashMap&lt;String, ZNRecord&gt;();
-<a class="jxr_linenumber" name="104" href="#104">104</a>     <em class="jxr_comment">// maps from resourceName to another map : partition -&gt; map &lt;nodename,</em>
-<a class="jxr_linenumber" name="105" href="#105">105</a>     <em class="jxr_comment">// master/slave&gt;;</em>
-<a class="jxr_linenumber" name="106" href="#106">106</a>     <em class="jxr_comment">// Fill the routing table with "empty" default state according to ideals</em>
-<a class="jxr_linenumber" name="107" href="#107">107</a>     <em class="jxr_comment">// states</em>
-<a class="jxr_linenumber" name="108" href="#108">108</a>     <em class="jxr_comment">// in the cluster</em>
-<a class="jxr_linenumber" name="109" href="#109">109</a>     <strong class="jxr_keyword">if</strong> (idealStates != <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="110" href="#110">110</a>     {
-<a class="jxr_linenumber" name="111" href="#111">111</a>       <strong class="jxr_keyword">for</strong> (ZNRecord idealState : idealStates)
-<a class="jxr_linenumber" name="112" href="#112">112</a>       {
-<a class="jxr_linenumber" name="113" href="#113">113</a>         <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a> defaultExternalView = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a>(idealState.getId());
-<a class="jxr_linenumber" name="114" href="#114">114</a>         resultRoutingTable.put(idealState.getId(), defaultExternalView);
-<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>
-<a class="jxr_linenumber" name="117" href="#117">117</a>     {
-<a class="jxr_linenumber" name="118" href="#118">118</a>       assert (!currentStates.isEmpty());
-<a class="jxr_linenumber" name="119" href="#119">119</a>       <strong class="jxr_keyword">return</strong> resultList;
-<a class="jxr_linenumber" name="120" href="#120">120</a>     }
-<a class="jxr_linenumber" name="121" href="#121">121</a>     <strong class="jxr_keyword">for</strong> (String nodeName : currentStates.keySet())
-<a class="jxr_linenumber" name="122" href="#122">122</a>     {
-<a class="jxr_linenumber" name="123" href="#123">123</a>       List&lt;ZNRecord&gt; znStates = currentStates.get(nodeName);
-<a class="jxr_linenumber" name="124" href="#124">124</a>       <strong class="jxr_keyword">for</strong> (ZNRecord nodeStateRecord : znStates)
-<a class="jxr_linenumber" name="125" href="#125">125</a>       {
-<a class="jxr_linenumber" name="126" href="#126">126</a>         Map&lt;String, Map&lt;String, String&gt;&gt; resourceStates = nodeStateRecord
-<a class="jxr_linenumber" name="127" href="#127">127</a>             .getMapFields();
-<a class="jxr_linenumber" name="128" href="#128">128</a>         <strong class="jxr_keyword">for</strong> (String stateUnitKey : resourceStates.keySet())
-<a class="jxr_linenumber" name="129" href="#129">129</a>         {
-<a class="jxr_linenumber" name="130" href="#130">130</a>           Map&lt;String, String&gt; partitionStates = resourceStates.get(stateUnitKey);
-<a class="jxr_linenumber" name="131" href="#131">131</a>           String resourceName = partitionStates
-<a class="jxr_linenumber" name="132" href="#132">132</a>               .get(Message.Attributes.RESOURCE_NAME.toString());
-<a class="jxr_linenumber" name="133" href="#133">133</a>           <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a> partitionStatus = resultRoutingTable.get(resourceName);
-<a class="jxr_linenumber" name="134" href="#134">134</a>           <strong class="jxr_keyword">if</strong> (partitionStatus == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="135" href="#135">135</a>           {
-<a class="jxr_linenumber" name="136" href="#136">136</a>             partitionStatus = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a>(resourceName);
-<a class="jxr_linenumber" name="137" href="#137">137</a>             resultRoutingTable.put(resourceName, partitionStatus);
-<a class="jxr_linenumber" name="138" href="#138">138</a>           }
-<a class="jxr_linenumber" name="139" href="#139">139</a>           String currentStateKey = CurrentStateProperty.CURRENT_STATE.toString();
-<a class="jxr_linenumber" name="140" href="#140">140</a> 
-<a class="jxr_linenumber" name="141" href="#141">141</a>           <strong class="jxr_keyword">if</strong> (!partitionStatus.getMapFields().containsKey(stateUnitKey))
-<a class="jxr_linenumber" name="142" href="#142">142</a>           {
-<a class="jxr_linenumber" name="143" href="#143">143</a>             partitionStatus.setMapField(stateUnitKey,
-<a class="jxr_linenumber" name="144" href="#144">144</a>                 <strong class="jxr_keyword">new</strong> TreeMap&lt;String, String&gt;());
-<a class="jxr_linenumber" name="145" href="#145">145</a>           }
-<a class="jxr_linenumber" name="146" href="#146">146</a>           partitionStatus.getMapField(stateUnitKey).put(nodeName,
-<a class="jxr_linenumber" name="147" href="#147">147</a>                   partitionStates.get(currentStateKey));
-<a class="jxr_linenumber" name="148" href="#148">148</a> 
-<a class="jxr_linenumber" name="149" href="#149">149</a>         }
-<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">for</strong> (ZNRecord record : resultRoutingTable.values())
-<a class="jxr_linenumber" name="153" href="#153">153</a>     {
-<a class="jxr_linenumber" name="154" href="#154">154</a>       resultList.add(record);
-<a class="jxr_linenumber" name="155" href="#155">155</a>     }
-<a class="jxr_linenumber" name="156" href="#156">156</a>     <strong class="jxr_keyword">return</strong> resultList;
-<a class="jxr_linenumber" name="157" href="#157">157</a>   }
-<a class="jxr_linenumber" name="158" href="#158">158</a> }
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_comment"> * ZKRoutingInfoProvider keeps a copy of the routing table. Given a partition id,</em>
+<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_comment"> * it will return</em>
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_comment"> * 1. The list of partition that can be read</em>
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_comment"> * 2. the master partition, for write operation</em>
+<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_comment"> * The routing table is constructed from the currentState of each storage nodes.</em>
+<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_comment"> * The current state is a list of following pairs: partition-id:State(MASTER / SLAVE)</em>
+<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_comment"> * TODO: move the code as part of router process</em>
+<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_comment"> * TODO: add listeners to node current state changes</em>
+<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_comment"> * */</em>
+<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/controller/ExternalViewGenerator.html">ExternalViewGenerator</a> {
+<a class="jxr_linenumber" name="49" href="#49">49</a>    <strong class="jxr_keyword">static</strong> Logger _logger = Logger.getLogger(ExternalViewGenerator.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="50" href="#50">50</a>  
+<a class="jxr_linenumber" name="51" href="#51">51</a>    <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_comment">   * Given a list of external view ZNRecord nodes(one for each cluster),</em>
+<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_comment">   * calculate the routing map.</em>
+<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_comment">   * The format of the routing map is like this:</em>
+<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_comment">   * Map&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&gt; maps from a partitionName to its</em>
+<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_comment">   * states Map&lt;String, List&lt;String&gt;&gt; The second Map maps from a state</em>
+<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_comment">   * ("MASTER", "SLAVE"...) to a list of nodeNames</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_comment">   * So that the we can query the map for the list of nodes by providing the</em>
+<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_comment">   * partition name and the expected state.</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_comment">   */</em>
+<a class="jxr_linenumber" name="61" href="#61">61</a>    <strong class="jxr_keyword">public</strong> Map&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&gt; getRouterMapFromExternalView(
+<a class="jxr_linenumber" name="62" href="#62">62</a>        List&lt;ZNRecord&gt; externalViewList) {
+<a class="jxr_linenumber" name="63" href="#63">63</a>      Map&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&gt; result = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Map&lt;String, Set&lt;String&gt;&gt;&gt;();
+<a class="jxr_linenumber" name="64" href="#64">64</a>  
+<a class="jxr_linenumber" name="65" href="#65">65</a>      <strong class="jxr_keyword">for</strong> (ZNRecord nodeView : externalViewList) {
+<a class="jxr_linenumber" name="66" href="#66">66</a>        Map&lt;String, Map&lt;String, String&gt;&gt; partitionNodeStateMap = nodeView.getMapFields();
+<a class="jxr_linenumber" name="67" href="#67">67</a>        <strong class="jxr_keyword">for</strong> (String partitionId : partitionNodeStateMap.keySet()) {
+<a class="jxr_linenumber" name="68" href="#68">68</a>          <strong class="jxr_keyword">if</strong> (!result.containsKey(partitionId)) {
+<a class="jxr_linenumber" name="69" href="#69">69</a>            result.put(partitionId, <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Set&lt;String&gt;&gt;());
+<a class="jxr_linenumber" name="70" href="#70">70</a>          }
+<a class="jxr_linenumber" name="71" href="#71">71</a>          Map&lt;String, String&gt; nodeStateMap = partitionNodeStateMap.get(partitionId);
+<a class="jxr_linenumber" name="72" href="#72">72</a>          <strong class="jxr_keyword">for</strong> (String nodeName : nodeStateMap.keySet()) {
+<a class="jxr_linenumber" name="73" href="#73">73</a>            String state = nodeStateMap.get(nodeName);
+<a class="jxr_linenumber" name="74" href="#74">74</a>            <strong class="jxr_keyword">if</strong> (!result.get(partitionId).containsKey(state)) {
+<a class="jxr_linenumber" name="75" href="#75">75</a>              result.get(partitionId).put(state, <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;());
+<a class="jxr_linenumber" name="76" href="#76">76</a>            }
+<a class="jxr_linenumber" name="77" href="#77">77</a>            result.get(partitionId).get(state).add(nodeName);
+<a class="jxr_linenumber" name="78" href="#78">78</a>          }
+<a class="jxr_linenumber" name="79" href="#79">79</a>        }
+<a class="jxr_linenumber" name="80" href="#80">80</a>      }
+<a class="jxr_linenumber" name="81" href="#81">81</a>      <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="82" href="#82">82</a>    }
+<a class="jxr_linenumber" name="83" href="#83">83</a>  
+<a class="jxr_linenumber" name="84" href="#84">84</a>    <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_comment">   * The parameter is a map that maps the nodeName to a list of ZNRecords.</em>
+<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_comment">   */</em>
+<a class="jxr_linenumber" name="87" href="#87">87</a>    <strong class="jxr_keyword">public</strong> List&lt;ZNRecord&gt; computeExternalView(Map&lt;String, List&lt;ZNRecord&gt;&gt; currentStates,
+<a class="jxr_linenumber" name="88" href="#88">88</a>        List&lt;ZNRecord&gt; idealStates) {
+<a class="jxr_linenumber" name="89" href="#89">89</a>      List&lt;ZNRecord&gt; resultList = <strong class="jxr_keyword">new</strong> ArrayList&lt;ZNRecord&gt;();
+<a class="jxr_linenumber" name="90" href="#90">90</a>      Map&lt;String, ZNRecord&gt; resultRoutingTable = <strong class="jxr_keyword">new</strong> HashMap&lt;String, ZNRecord&gt;();
+<a class="jxr_linenumber" name="91" href="#91">91</a>      <em class="jxr_comment">// maps from resourceName to another map : partition -&gt; map &lt;nodename,</em>
+<a class="jxr_linenumber" name="92" href="#92">92</a>      <em class="jxr_comment">// master/slave&gt;;</em>
+<a class="jxr_linenumber" name="93" href="#93">93</a>      <em class="jxr_comment">// Fill the routing table with "empty" default state according to ideals</em>
+<a class="jxr_linenumber" name="94" href="#94">94</a>      <em class="jxr_comment">// states</em>
+<a class="jxr_linenumber" name="95" href="#95">95</a>      <em class="jxr_comment">// in the cluster</em>
+<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">if</strong> (idealStates != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="97" href="#97">97</a>        <strong class="jxr_keyword">for</strong> (ZNRecord idealState : idealStates) {
+<a class="jxr_linenumber" name="98" href="#98">98</a>          <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a> defaultExternalView = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a>(idealState.getId());
+<a class="jxr_linenumber" name="99" href="#99">99</a>          resultRoutingTable.put(idealState.getId(), defaultExternalView);
+<a class="jxr_linenumber" name="100" href="#100">100</a>       }
+<a class="jxr_linenumber" name="101" href="#101">101</a>     } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="102" href="#102">102</a>       assert (!currentStates.isEmpty());
+<a class="jxr_linenumber" name="103" href="#103">103</a>       <strong class="jxr_keyword">return</strong> resultList;
+<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 nodeName : currentStates.keySet()) {
+<a class="jxr_linenumber" name="106" href="#106">106</a>       List&lt;ZNRecord&gt; znStates = currentStates.get(nodeName);
+<a class="jxr_linenumber" name="107" href="#107">107</a>       <strong class="jxr_keyword">for</strong> (ZNRecord nodeStateRecord : znStates) {
+<a class="jxr_linenumber" name="108" href="#108">108</a>         Map&lt;String, Map&lt;String, String&gt;&gt; resourceStates = nodeStateRecord.getMapFields();
+<a class="jxr_linenumber" name="109" href="#109">109</a>         <strong class="jxr_keyword">for</strong> (String stateUnitKey : resourceStates.keySet()) {
+<a class="jxr_linenumber" name="110" href="#110">110</a>           Map&lt;String, String&gt; partitionStates = resourceStates.get(stateUnitKey);
+<a class="jxr_linenumber" name="111" href="#111">111</a>           String resourceName = partitionStates.get(Message.Attributes.RESOURCE_NAME.toString());
+<a class="jxr_linenumber" name="112" href="#112">112</a>           <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a> partitionStatus = resultRoutingTable.get(resourceName);
+<a class="jxr_linenumber" name="113" href="#113">113</a>           <strong class="jxr_keyword">if</strong> (partitionStatus == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="114" href="#114">114</a>             partitionStatus = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/ZNRecord.html">ZNRecord</a>(resourceName);
+<a class="jxr_linenumber" name="115" href="#115">115</a>             resultRoutingTable.put(resourceName, partitionStatus);
+<a class="jxr_linenumber" name="116" href="#116">116</a>           }
+<a class="jxr_linenumber" name="117" href="#117">117</a>           String currentStateKey = CurrentStateProperty.CURRENT_STATE.toString();
+<a class="jxr_linenumber" name="118" href="#118">118</a> 
+<a class="jxr_linenumber" name="119" href="#119">119</a>           <strong class="jxr_keyword">if</strong> (!partitionStatus.getMapFields().containsKey(stateUnitKey)) {
+<a class="jxr_linenumber" name="120" href="#120">120</a>             partitionStatus.setMapField(stateUnitKey, <strong class="jxr_keyword">new</strong> TreeMap&lt;String, String&gt;());
+<a class="jxr_linenumber" name="121" href="#121">121</a>           }
+<a class="jxr_linenumber" name="122" href="#122">122</a>           partitionStatus.getMapField(stateUnitKey).put(nodeName,
+<a class="jxr_linenumber" name="123" href="#123">123</a>               partitionStates.get(currentStateKey));
+<a class="jxr_linenumber" name="124" href="#124">124</a> 
+<a class="jxr_linenumber" name="125" href="#125">125</a>         }
+<a class="jxr_linenumber" name="126" href="#126">126</a>       }
+<a class="jxr_linenumber" name="127" href="#127">127</a>     }
+<a class="jxr_linenumber" name="128" href="#128">128</a>     <strong class="jxr_keyword">for</strong> (ZNRecord record : resultRoutingTable.values()) {
+<a class="jxr_linenumber" name="129" href="#129">129</a>       resultList.add(record);
+<a class="jxr_linenumber" name="130" href="#130">130</a>     }
+<a class="jxr_linenumber" name="131" href="#131">131</a>     <strong class="jxr_keyword">return</strong> resultList;
+<a class="jxr_linenumber" name="132" href="#132">132</a>   }
+<a class="jxr_linenumber" name="133" href="#133">133</a> }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
 </html>

Modified: incubator/helix/site-content/xref/org/apache/helix/controller/GenericHelixController.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/controller/GenericHelixController.html?rev=1519752&r1=1519751&r2=1519752&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/controller/GenericHelixController.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/controller/GenericHelixController.html Tue Sep  3 16:43:37 2013
@@ -137,7 +137,7 @@
 <a class="jxr_linenumber" name="127" href="#127">127</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
 <a class="jxr_linenumber" name="128" href="#128">128</a>       <a href="../../../../org/apache/helix/NotificationContext.html">NotificationContext</a> changeContext = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/NotificationContext.html">NotificationContext</a>(_manager);
 <a class="jxr_linenumber" name="129" href="#129">129</a>       changeContext.setType(NotificationContext.Type.CALLBACK);
-<a class="jxr_linenumber" name="130" href="#130">130</a>       <a href="../../../../org/apache/helix/controller/stages/ClusterEvent.html">ClusterEvent</a> event = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/controller/stages/ClusterEvent.html">ClusterEvent</a>(<span class="jxr_string">"periodicRebalance"</span>);
+<a class="jxr_linenumber" name="130" href="#130">130</a>       <a href="../../../../org/apache/helix/controller/stages/ClusterEvent.html">ClusterEvent</a> event = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/controller/stages/ClusterEvent.html">ClusterEvent</a>(<span class="jxr_string">"periodicalRebalance"</span>);
 <a class="jxr_linenumber" name="131" href="#131">131</a>       event.addAttribute(<span class="jxr_string">"helixmanager"</span>, changeContext.getManager());
 <a class="jxr_linenumber" name="132" href="#132">132</a>       event.addAttribute(<span class="jxr_string">"changeContext"</span>, changeContext);
 <a class="jxr_linenumber" name="133" href="#133">133</a>       List&lt;ZNRecord&gt; dummy = <strong class="jxr_keyword">new</strong> ArrayList&lt;ZNRecord&gt;();

Modified: incubator/helix/site-content/xref/org/apache/helix/controller/package-frame.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/controller/package-frame.html?rev=1519752&r1=1519751&r2=1519752&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/controller/package-frame.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/controller/package-frame.html Tue Sep  3 16:43:37 2013
@@ -16,6 +16,9 @@
 
       	<ul>
       		          	<li>
+            	<a href="ExternalViewGenerator.html" target="classFrame">ExternalViewGenerator</a>
+          	</li>
+          	          	<li>
             	<a href="GenericHelixController.html" target="classFrame">GenericHelixController</a>
           	</li>
           	          	<li>

Modified: incubator/helix/site-content/xref/org/apache/helix/controller/package-summary.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/controller/package-summary.html?rev=1519752&r1=1519751&r2=1519752&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/controller/package-summary.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/controller/package-summary.html Tue Sep  3 16:43:37 2013
@@ -37,6 +37,11 @@
         	<tbody>
         		            	<tr>
               		<td>
+                		<a href="ExternalViewGenerator.html" target="classFrame">ExternalViewGenerator</a>
+              		</td>
+            	</tr>
+				            	<tr>
+              		<td>
                 		<a href="GenericHelixController.html" target="classFrame">GenericHelixController</a>
               		</td>
             	</tr>

Modified: incubator/helix/site-content/xref/org/apache/helix/controller/stages/BestPossibleStateCalcStage.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/controller/stages/BestPossibleStateCalcStage.html?rev=1519752&r1=1519751&r2=1519752&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/controller/stages/BestPossibleStateCalcStage.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/controller/stages/BestPossibleStateCalcStage.html Tue Sep  3 16:43:37 2013
@@ -128,14 +128,16 @@
 <a class="jxr_linenumber" name="118" href="#118">118</a>       rebalancer.init(manager);
 <a class="jxr_linenumber" name="119" href="#119">119</a>       <a href="../../../../../org/apache/helix/model/ResourceAssignment.html">ResourceAssignment</a> partitionStateAssignment =
 <a class="jxr_linenumber" name="120" href="#120">120</a>           rebalancer.computeResourceMapping(resource, idealState, currentStateOutput, cache);
-<a class="jxr_linenumber" name="121" href="#121">121</a>       <strong class="jxr_keyword">for</strong> (Partition partition : resource.getPartitions()) {
-<a class="jxr_linenumber" name="122" href="#122">122</a>         Map&lt;String, String&gt; newStateMap = partitionStateAssignment.getReplicaMap(partition);
-<a class="jxr_linenumber" name="123" href="#123">123</a>         output.setState(resourceName, partition, newStateMap);
-<a class="jxr_linenumber" name="124" href="#124">124</a>       }
-<a class="jxr_linenumber" name="125" href="#125">125</a>     }
-<a class="jxr_linenumber" name="126" href="#126">126</a>     <strong class="jxr_keyword">return</strong> output;
-<a class="jxr_linenumber" name="127" href="#127">127</a>   }
-<a class="jxr_linenumber" name="128" href="#128">128</a> }
+<a class="jxr_linenumber" name="121" href="#121">121</a>       <strong class="jxr_keyword">if</strong> (partitionStateAssignment != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="122" href="#122">122</a>         <strong class="jxr_keyword">for</strong> (Partition partition : resource.getPartitions()) {
+<a class="jxr_linenumber" name="123" href="#123">123</a>           Map&lt;String, String&gt; newStateMap = partitionStateAssignment.getReplicaMap(partition);
+<a class="jxr_linenumber" name="124" href="#124">124</a>           output.setState(resourceName, partition, newStateMap);
+<a class="jxr_linenumber" name="125" href="#125">125</a>         }
+<a class="jxr_linenumber" name="126" href="#126">126</a>       }
+<a class="jxr_linenumber" name="127" href="#127">127</a>     }
+<a class="jxr_linenumber" name="128" href="#128">128</a>     <strong class="jxr_keyword">return</strong> output;
+<a class="jxr_linenumber" name="129" href="#129">129</a>   }
+<a class="jxr_linenumber" name="130" href="#130">130</a> }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
 </html>

Modified: incubator/helix/site-content/xref/org/apache/helix/model/IdealState.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/model/IdealState.html?rev=1519752&r1=1519751&r2=1519752&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/model/IdealState.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/model/IdealState.html Tue Sep  3 16:43:37 2013
@@ -471,58 +471,64 @@
 <a class="jxr_linenumber" name="461" href="#461">461</a>     <strong class="jxr_keyword">return</strong> _record.getSimpleField(IdealStateProperty.INSTANCE_GROUP_TAG.toString());
 <a class="jxr_linenumber" name="462" href="#462">462</a>   }
 <a class="jxr_linenumber" name="463" href="#463">463</a> 
-<a class="jxr_linenumber" name="464" href="#464">464</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> updateFromAssignment(<a href="../../../../org/apache/helix/model/ResourceAssignment.html">ResourceAssignment</a> assignment) {
-<a class="jxr_linenumber" name="465" href="#465">465</a>     _record.getMapFields().clear();
-<a class="jxr_linenumber" name="466" href="#466">466</a>     _record.getListFields().clear();
-<a class="jxr_linenumber" name="467" href="#467">467</a>     <strong class="jxr_keyword">for</strong> (Partition partition : assignment.getMappedPartitions()) {
-<a class="jxr_linenumber" name="468" href="#468">468</a>       Map&lt;String, String&gt; replicaMap = assignment.getReplicaMap(partition);
-<a class="jxr_linenumber" name="469" href="#469">469</a>       setInstanceStateMap(partition.getPartitionName(), replicaMap);
-<a class="jxr_linenumber" name="470" href="#470">470</a>       setPreferenceList(partition.getPartitionName(), <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;(replicaMap.keySet()));
-<a class="jxr_linenumber" name="471" href="#471">471</a>     }
-<a class="jxr_linenumber" name="472" href="#472">472</a>   }
-<a class="jxr_linenumber" name="473" href="#473">473</a> 
-<a class="jxr_linenumber" name="474" href="#474">474</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/helix/model/IdealState.html">RebalanceMode</a> normalizeRebalanceMode(<a href="../../../../org/apache/helix/model/IdealState.html">IdealStateModeProperty</a> mode) {
-<a class="jxr_linenumber" name="475" href="#475">475</a>     <a href="../../../../org/apache/helix/model/IdealState.html">RebalanceMode</a> property;
-<a class="jxr_linenumber" name="476" href="#476">476</a>     <strong class="jxr_keyword">switch</strong> (mode) {
-<a class="jxr_linenumber" name="477" href="#477">477</a>     <strong class="jxr_keyword">case</strong> AUTO_REBALANCE:
-<a class="jxr_linenumber" name="478" href="#478">478</a>       property = RebalanceMode.FULL_AUTO;
-<a class="jxr_linenumber" name="479" href="#479">479</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="480" href="#480">480</a>     <strong class="jxr_keyword">case</strong> AUTO:
-<a class="jxr_linenumber" name="481" href="#481">481</a>       property = RebalanceMode.SEMI_AUTO;
-<a class="jxr_linenumber" name="482" href="#482">482</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="483" href="#483">483</a>     <strong class="jxr_keyword">case</strong> CUSTOMIZED:
-<a class="jxr_linenumber" name="484" href="#484">484</a>       property = RebalanceMode.CUSTOMIZED;
+<a class="jxr_linenumber" name="464" href="#464">464</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="465" href="#465">465</a> <em class="jxr_javadoccomment">   * Update the ideal state mapping from a ResourceAssignment</em>
+<a class="jxr_linenumber" name="466" href="#466">466</a> <em class="jxr_javadoccomment">   * @param assignment ResourceAssignment result from the rebalancer</em>
+<a class="jxr_linenumber" name="467" href="#467">467</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="468" href="#468">468</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> updateFromAssignment(<a href="../../../../org/apache/helix/model/ResourceAssignment.html">ResourceAssignment</a> assignment) {
+<a class="jxr_linenumber" name="469" href="#469">469</a>     _record.getMapFields().clear();
+<a class="jxr_linenumber" name="470" href="#470">470</a>     _record.getListFields().clear();
+<a class="jxr_linenumber" name="471" href="#471">471</a>     <strong class="jxr_keyword">if</strong> (assignment != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="472" href="#472">472</a>       <strong class="jxr_keyword">for</strong> (Partition partition : assignment.getMappedPartitions()) {
+<a class="jxr_linenumber" name="473" href="#473">473</a>         Map&lt;String, String&gt; replicaMap = assignment.getReplicaMap(partition);
+<a class="jxr_linenumber" name="474" href="#474">474</a>         setInstanceStateMap(partition.getPartitionName(), replicaMap);
+<a class="jxr_linenumber" name="475" href="#475">475</a>         setPreferenceList(partition.getPartitionName(), <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;(replicaMap.keySet()));
+<a class="jxr_linenumber" name="476" href="#476">476</a>       }
+<a class="jxr_linenumber" name="477" href="#477">477</a>     }
+<a class="jxr_linenumber" name="478" href="#478">478</a>   }
+<a class="jxr_linenumber" name="479" href="#479">479</a> 
+<a class="jxr_linenumber" name="480" href="#480">480</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/helix/model/IdealState.html">RebalanceMode</a> normalizeRebalanceMode(<a href="../../../../org/apache/helix/model/IdealState.html">IdealStateModeProperty</a> mode) {
+<a class="jxr_linenumber" name="481" href="#481">481</a>     <a href="../../../../org/apache/helix/model/IdealState.html">RebalanceMode</a> property;
+<a class="jxr_linenumber" name="482" href="#482">482</a>     <strong class="jxr_keyword">switch</strong> (mode) {
+<a class="jxr_linenumber" name="483" href="#483">483</a>     <strong class="jxr_keyword">case</strong> AUTO_REBALANCE:
+<a class="jxr_linenumber" name="484" href="#484">484</a>       property = RebalanceMode.FULL_AUTO;
 <a class="jxr_linenumber" name="485" href="#485">485</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="486" href="#486">486</a>     <strong class="jxr_keyword">default</strong>:
-<a class="jxr_linenumber" name="487" href="#487">487</a>       <strong class="jxr_keyword">if</strong> (getRebalancerClassName() != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="488" href="#488">488</a>         property = RebalanceMode.USER_DEFINED;
-<a class="jxr_linenumber" name="489" href="#489">489</a>       } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="490" href="#490">490</a>         property = RebalanceMode.SEMI_AUTO;
-<a class="jxr_linenumber" name="491" href="#491">491</a>       }
-<a class="jxr_linenumber" name="492" href="#492">492</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="493" href="#493">493</a>     }
-<a class="jxr_linenumber" name="494" href="#494">494</a>     <strong class="jxr_keyword">return</strong> property;
-<a class="jxr_linenumber" name="495" href="#495">495</a>   }
-<a class="jxr_linenumber" name="496" href="#496">496</a> 
-<a class="jxr_linenumber" name="497" href="#497">497</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/helix/model/IdealState.html">IdealStateModeProperty</a> denormalizeRebalanceMode(<a href="../../../../org/apache/helix/model/IdealState.html">RebalanceMode</a> rebalancerType) {
-<a class="jxr_linenumber" name="498" href="#498">498</a>     <a href="../../../../org/apache/helix/model/IdealState.html">IdealStateModeProperty</a> property;
-<a class="jxr_linenumber" name="499" href="#499">499</a>     <strong class="jxr_keyword">switch</strong> (rebalancerType) {
-<a class="jxr_linenumber" name="500" href="#500">500</a>     <strong class="jxr_keyword">case</strong> FULL_AUTO:
-<a class="jxr_linenumber" name="501" href="#501">501</a>       property = IdealStateModeProperty.AUTO_REBALANCE;
-<a class="jxr_linenumber" name="502" href="#502">502</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="503" href="#503">503</a>     <strong class="jxr_keyword">case</strong> SEMI_AUTO:
-<a class="jxr_linenumber" name="504" href="#504">504</a>       property = IdealStateModeProperty.AUTO;
-<a class="jxr_linenumber" name="505" href="#505">505</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="506" href="#506">506</a>     <strong class="jxr_keyword">case</strong> CUSTOMIZED:
-<a class="jxr_linenumber" name="507" href="#507">507</a>       property = IdealStateModeProperty.CUSTOMIZED;
+<a class="jxr_linenumber" name="486" href="#486">486</a>     <strong class="jxr_keyword">case</strong> AUTO:
+<a class="jxr_linenumber" name="487" href="#487">487</a>       property = RebalanceMode.SEMI_AUTO;
+<a class="jxr_linenumber" name="488" href="#488">488</a>       <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="489" href="#489">489</a>     <strong class="jxr_keyword">case</strong> CUSTOMIZED:
+<a class="jxr_linenumber" name="490" href="#490">490</a>       property = RebalanceMode.CUSTOMIZED;
+<a class="jxr_linenumber" name="491" href="#491">491</a>       <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="492" href="#492">492</a>     <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="493" href="#493">493</a>       <strong class="jxr_keyword">if</strong> (getRebalancerClassName() != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="494" href="#494">494</a>         property = RebalanceMode.USER_DEFINED;
+<a class="jxr_linenumber" name="495" href="#495">495</a>       } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="496" href="#496">496</a>         property = RebalanceMode.SEMI_AUTO;
+<a class="jxr_linenumber" name="497" href="#497">497</a>       }
+<a class="jxr_linenumber" name="498" href="#498">498</a>       <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="499" href="#499">499</a>     }
+<a class="jxr_linenumber" name="500" href="#500">500</a>     <strong class="jxr_keyword">return</strong> property;
+<a class="jxr_linenumber" name="501" href="#501">501</a>   }
+<a class="jxr_linenumber" name="502" href="#502">502</a> 
+<a class="jxr_linenumber" name="503" href="#503">503</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/helix/model/IdealState.html">IdealStateModeProperty</a> denormalizeRebalanceMode(<a href="../../../../org/apache/helix/model/IdealState.html">RebalanceMode</a> rebalancerType) {
+<a class="jxr_linenumber" name="504" href="#504">504</a>     <a href="../../../../org/apache/helix/model/IdealState.html">IdealStateModeProperty</a> property;
+<a class="jxr_linenumber" name="505" href="#505">505</a>     <strong class="jxr_keyword">switch</strong> (rebalancerType) {
+<a class="jxr_linenumber" name="506" href="#506">506</a>     <strong class="jxr_keyword">case</strong> FULL_AUTO:
+<a class="jxr_linenumber" name="507" href="#507">507</a>       property = IdealStateModeProperty.AUTO_REBALANCE;
 <a class="jxr_linenumber" name="508" href="#508">508</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="509" href="#509">509</a>     <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="509" href="#509">509</a>     <strong class="jxr_keyword">case</strong> SEMI_AUTO:
 <a class="jxr_linenumber" name="510" href="#510">510</a>       property = IdealStateModeProperty.AUTO;
 <a class="jxr_linenumber" name="511" href="#511">511</a>       <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="512" href="#512">512</a>     }
-<a class="jxr_linenumber" name="513" href="#513">513</a>     <strong class="jxr_keyword">return</strong> property;
-<a class="jxr_linenumber" name="514" href="#514">514</a>   }
-<a class="jxr_linenumber" name="515" href="#515">515</a> }
+<a class="jxr_linenumber" name="512" href="#512">512</a>     <strong class="jxr_keyword">case</strong> CUSTOMIZED:
+<a class="jxr_linenumber" name="513" href="#513">513</a>       property = IdealStateModeProperty.CUSTOMIZED;
+<a class="jxr_linenumber" name="514" href="#514">514</a>       <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="515" href="#515">515</a>     <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="516" href="#516">516</a>       property = IdealStateModeProperty.AUTO;
+<a class="jxr_linenumber" name="517" href="#517">517</a>       <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="518" href="#518">518</a>     }
+<a class="jxr_linenumber" name="519" href="#519">519</a>     <strong class="jxr_keyword">return</strong> property;
+<a class="jxr_linenumber" name="520" href="#520">520</a>   }
+<a class="jxr_linenumber" name="521" href="#521">521</a> }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
 </html>

Added: incubator/helix/site-content/xref/org/apache/helix/tools/YAMLClusterSetup.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/tools/YAMLClusterSetup.html?rev=1519752&view=auto
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/tools/YAMLClusterSetup.html (added)
+++ incubator/helix/site-content/xref/org/apache/helix/tools/YAMLClusterSetup.html Tue Sep  3 16:43:37 2013
@@ -0,0 +1,300 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>YAMLClusterSetup xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../apidocs/org/apache/helix/tools/YAMLClusterSetup.html">View Javadoc</a></div><pre>
+
+<a class="jxr_linenumber" name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> org.apache.helix.tools;
+<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.io.File;
+<a class="jxr_linenumber" name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.io.FileInputStream;
+<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.io.FileNotFoundException;
+<a class="jxr_linenumber" name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> java.io.InputStream;
+<a class="jxr_linenumber" name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> java.util.HashMap;
+<a class="jxr_linenumber" name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> java.util.HashSet;
+<a class="jxr_linenumber" name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
+<a class="jxr_linenumber" name="12" href="#12">12</a>  
+<a class="jxr_linenumber" name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixAdmin;
+<a class="jxr_linenumber" name="14" href="#14">14</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixException;
+<a class="jxr_linenumber" name="15" href="#15">15</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZKHelixAdmin;
+<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.IdealState;
+<a class="jxr_linenumber" name="17" href="#17">17</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.IdealState.RebalanceMode;
+<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.InstanceConfig;
+<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.StateModelDefinition;
+<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.tools.YAMLClusterSetup.YAMLClusterConfig.ParticipantConfig;
+<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.tools.YAMLClusterSetup.YAMLClusterConfig.ResourceConfig;
+<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.tools.YAMLClusterSetup.YAMLClusterConfig.ResourceConfig.ConstraintsConfig;
+<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.tools.YAMLClusterSetup.YAMLClusterConfig.ResourceConfig.StateModelConfig;
+<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
+<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.yaml.snakeyaml.Yaml;
+<a class="jxr_linenumber" name="26" href="#26">26</a>  
+<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
+<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_comment"> * or more contributor license agreements.  See the NOTICE file</em>
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_comment"> * distributed with this work for additional information</em>
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_comment"> * regarding copyright ownership.  The ASF licenses this file</em>
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_comment"> * with the License.  You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="36" href="#36">36</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="37" href="#37">37</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
+<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_comment"> * KIND, either express or implied.  See the License for the</em>
+<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_comment"> * specific language governing permissions and limitations</em>
+<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_comment"> * under the License.</em>
+<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="45" href="#45">45</a>  
+<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * Supports HelixAdmin operations specified by a YAML configuration file defining a cluster,</em>
+<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * resources, participants, etc.</em>
+<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> * See the user-rebalanced-lock-manager recipe for an annotated example file.</em>
+<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">YAMLClusterSetup</a> {
+<a class="jxr_linenumber" name="52" href="#52">52</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = Logger.getLogger(YAMLClusterSetup.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="53" href="#53">53</a>  
+<a class="jxr_linenumber" name="54" href="#54">54</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _zkAddress;
+<a class="jxr_linenumber" name="55" href="#55">55</a>  
+<a class="jxr_linenumber" name="56" href="#56">56</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment">   * Start the YAML parser for a given zookeeper instance</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">   * @param zkAddress</em>
+<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">YAMLClusterSetup</a>(String zkAddress) {
+<a class="jxr_linenumber" name="61" href="#61">61</a>      _zkAddress = zkAddress;
+<a class="jxr_linenumber" name="62" href="#62">62</a>    }
+<a class="jxr_linenumber" name="63" href="#63">63</a>  
+<a class="jxr_linenumber" name="64" href="#64">64</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment">   * Set up the cluster by parsing a YAML file.</em>
+<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment">   * @param input InputStream representing the file</em>
+<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_javadoccomment">   * @return ClusterConfig Java wrapper of the configuration file</em>
+<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="69" href="#69">69</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">YAMLClusterConfig</a> setupCluster(InputStream input) {
+<a class="jxr_linenumber" name="70" href="#70">70</a>      <em class="jxr_comment">// parse the YAML</em>
+<a class="jxr_linenumber" name="71" href="#71">71</a>      Yaml yaml = <strong class="jxr_keyword">new</strong> Yaml();
+<a class="jxr_linenumber" name="72" href="#72">72</a>      <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">YAMLClusterConfig</a> cfg = yaml.loadAs(input, YAMLClusterConfig.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="73" href="#73">73</a>  
+<a class="jxr_linenumber" name="74" href="#74">74</a>      <em class="jxr_comment">// create the cluster</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a>      <a href="../../../../org/apache/helix/HelixAdmin.html">HelixAdmin</a> helixAdmin = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/manager/zk/ZKHelixAdmin.html">ZKHelixAdmin</a>(_zkAddress);
+<a class="jxr_linenumber" name="76" href="#76">76</a>      <strong class="jxr_keyword">if</strong> (cfg.clusterName == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="77" href="#77">77</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">"Cluster name is required!"</span>);
+<a class="jxr_linenumber" name="78" href="#78">78</a>      }
+<a class="jxr_linenumber" name="79" href="#79">79</a>      helixAdmin.addCluster(cfg.clusterName);
+<a class="jxr_linenumber" name="80" href="#80">80</a>  
+<a class="jxr_linenumber" name="81" href="#81">81</a>      <em class="jxr_comment">// add each participant</em>
+<a class="jxr_linenumber" name="82" href="#82">82</a>      <strong class="jxr_keyword">if</strong> (cfg.participants != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="83" href="#83">83</a>        <strong class="jxr_keyword">for</strong> (ParticipantConfig participant : cfg.participants) {
+<a class="jxr_linenumber" name="84" href="#84">84</a>          helixAdmin.addInstance(cfg.clusterName, getInstanceCfg(participant));
+<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>      <em class="jxr_comment">// add each resource</em>
+<a class="jxr_linenumber" name="89" href="#89">89</a>      <strong class="jxr_keyword">if</strong> (cfg.resources != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="90" href="#90">90</a>        <strong class="jxr_keyword">for</strong> (ResourceConfig resource : cfg.resources) {
+<a class="jxr_linenumber" name="91" href="#91">91</a>          <strong class="jxr_keyword">if</strong> (resource.name == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="92" href="#92">92</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">"Resources must be named!"</span>);
+<a class="jxr_linenumber" name="93" href="#93">93</a>          }
+<a class="jxr_linenumber" name="94" href="#94">94</a>          <strong class="jxr_keyword">if</strong> (resource.stateModel == <strong class="jxr_keyword">null</strong> || resource.stateModel.name == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="95" href="#95">95</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">"Resource must specify a named state model!"</span>);
+<a class="jxr_linenumber" name="96" href="#96">96</a>          }
+<a class="jxr_linenumber" name="97" href="#97">97</a>          <em class="jxr_comment">// if states is null, assume using a built-in or already-added state model</em>
+<a class="jxr_linenumber" name="98" href="#98">98</a>          <strong class="jxr_keyword">if</strong> (resource.stateModel.states != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="99" href="#99">99</a>            <a href="../../../../org/apache/helix/model/StateModelDefinition.html">StateModelDefinition</a> stateModelDef =
+<a class="jxr_linenumber" name="100" href="#100">100</a>               getStateModelDef(resource.stateModel, resource.constraints);
+<a class="jxr_linenumber" name="101" href="#101">101</a>           helixAdmin.addStateModelDef(cfg.clusterName, resource.stateModel.name, stateModelDef);
+<a class="jxr_linenumber" name="102" href="#102">102</a>         }
+<a class="jxr_linenumber" name="103" href="#103">103</a>         <strong class="jxr_keyword">int</strong> partitions = 1;
+<a class="jxr_linenumber" name="104" href="#104">104</a>         <strong class="jxr_keyword">int</strong> replicas = 1;
+<a class="jxr_linenumber" name="105" href="#105">105</a>         <strong class="jxr_keyword">if</strong> (resource.partitions != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="106" href="#106">106</a>           <strong class="jxr_keyword">if</strong> (resource.partitions.containsKey(<span class="jxr_string">"count"</span>)) {
+<a class="jxr_linenumber" name="107" href="#107">107</a>             partitions = resource.partitions.get(<span class="jxr_string">"count"</span>);
+<a class="jxr_linenumber" name="108" href="#108">108</a>           }
+<a class="jxr_linenumber" name="109" href="#109">109</a>           <strong class="jxr_keyword">if</strong> (resource.partitions.containsKey(<span class="jxr_string">"replicas"</span>)) {
+<a class="jxr_linenumber" name="110" href="#110">110</a>             replicas = resource.partitions.get(<span class="jxr_string">"replicas"</span>);
+<a class="jxr_linenumber" name="111" href="#111">111</a>           }
+<a class="jxr_linenumber" name="112" href="#112">112</a>         }
+<a class="jxr_linenumber" name="113" href="#113">113</a> 
+<a class="jxr_linenumber" name="114" href="#114">114</a>         <strong class="jxr_keyword">if</strong> (resource.rebalancer == <strong class="jxr_keyword">null</strong> || !resource.rebalancer.containsKey(<span class="jxr_string">"mode"</span>)) {
+<a class="jxr_linenumber" name="115" href="#115">115</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">"Rebalance mode is required!"</span>);
+<a class="jxr_linenumber" name="116" href="#116">116</a>         }
+<a class="jxr_linenumber" name="117" href="#117">117</a>         helixAdmin.addResource(cfg.clusterName, resource.name, partitions,
+<a class="jxr_linenumber" name="118" href="#118">118</a>             resource.stateModel.name, resource.rebalancer.get(<span class="jxr_string">"mode"</span>));
+<a class="jxr_linenumber" name="119" href="#119">119</a>         <em class="jxr_comment">// user-defined rebalancer</em>
+<a class="jxr_linenumber" name="120" href="#120">120</a>         <strong class="jxr_keyword">if</strong> (resource.rebalancer.containsKey(<span class="jxr_string">"class"</span>)
+<a class="jxr_linenumber" name="121" href="#121">121</a>             &amp;&amp; resource.rebalancer.get(<span class="jxr_string">"mode"</span>).equals(RebalanceMode.USER_DEFINED.toString())) {
+<a class="jxr_linenumber" name="122" href="#122">122</a>           <a href="../../../../org/apache/helix/model/IdealState.html">IdealState</a> idealState = helixAdmin.getResourceIdealState(cfg.clusterName, resource.name);
+<a class="jxr_linenumber" name="123" href="#123">123</a>           idealState.setRebalancerClassName(resource.rebalancer.get(<span class="jxr_string">"class"</span>));
+<a class="jxr_linenumber" name="124" href="#124">124</a>           helixAdmin.setResourceIdealState(cfg.clusterName, resource.name, idealState);
+<a class="jxr_linenumber" name="125" href="#125">125</a>         }
+<a class="jxr_linenumber" name="126" href="#126">126</a>         helixAdmin.rebalance(cfg.clusterName, resource.name, replicas);
+<a class="jxr_linenumber" name="127" href="#127">127</a>       }
+<a class="jxr_linenumber" name="128" href="#128">128</a>     }
+<a class="jxr_linenumber" name="129" href="#129">129</a>     <strong class="jxr_keyword">return</strong> cfg;
+<a class="jxr_linenumber" name="130" href="#130">130</a>   }
+<a class="jxr_linenumber" name="131" href="#131">131</a> 
+<a class="jxr_linenumber" name="132" href="#132">132</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/helix/model/InstanceConfig.html">InstanceConfig</a> getInstanceCfg(<a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">ParticipantConfig</a> participant) {
+<a class="jxr_linenumber" name="133" href="#133">133</a>     <strong class="jxr_keyword">if</strong> (participant == <strong class="jxr_keyword">null</strong> || participant.name == <strong class="jxr_keyword">null</strong> || participant.host == <strong class="jxr_keyword">null</strong>
+<a class="jxr_linenumber" name="134" href="#134">134</a>         || participant.port == <strong class="jxr_keyword">null</strong>) {
+<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">"Participant must have a specified name, host, and port!"</span>);
+<a class="jxr_linenumber" name="136" href="#136">136</a>     }
+<a class="jxr_linenumber" name="137" href="#137">137</a>     <a href="../../../../org/apache/helix/model/InstanceConfig.html">InstanceConfig</a> instanceCfg = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/model/InstanceConfig.html">InstanceConfig</a>(participant.name);
+<a class="jxr_linenumber" name="138" href="#138">138</a>     instanceCfg.setHostName(participant.host);
+<a class="jxr_linenumber" name="139" href="#139">139</a>     instanceCfg.setPort(participant.port.toString());
+<a class="jxr_linenumber" name="140" href="#140">140</a>     <strong class="jxr_keyword">return</strong> instanceCfg;
+<a class="jxr_linenumber" name="141" href="#141">141</a>   }
+<a class="jxr_linenumber" name="142" href="#142">142</a> 
+<a class="jxr_linenumber" name="143" href="#143">143</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/helix/model/StateModelDefinition.html">StateModelDefinition</a> getStateModelDef(<a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">StateModelConfig</a> stateModel,
+<a class="jxr_linenumber" name="144" href="#144">144</a>       <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">ConstraintsConfig</a> constraints) {
+<a class="jxr_linenumber" name="145" href="#145">145</a>     <em class="jxr_comment">// Use a builder to define the state model</em>
+<a class="jxr_linenumber" name="146" href="#146">146</a>     StateModelDefinition.Builder builder = <strong class="jxr_keyword">new</strong> StateModelDefinition.Builder(stateModel.name);
+<a class="jxr_linenumber" name="147" href="#147">147</a>     <strong class="jxr_keyword">if</strong> (stateModel.states == <strong class="jxr_keyword">null</strong> || stateModel.states.size() == 0) {
+<a class="jxr_linenumber" name="148" href="#148">148</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">"List of states are required in a state model!"</span>);
+<a class="jxr_linenumber" name="149" href="#149">149</a>     }
+<a class="jxr_linenumber" name="150" href="#150">150</a>     Set&lt;String&gt; stateSet = <strong class="jxr_keyword">new</strong> HashSet&lt;String&gt;(stateModel.states);
+<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">if</strong> (stateModel.initialState == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="152" href="#152">152</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">"Initial state is required in a state model!"</span>);
+<a class="jxr_linenumber" name="153" href="#153">153</a>     } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!stateSet.contains(stateModel.initialState)) {
+<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">"Initial state is not a valid state"</span>);
+<a class="jxr_linenumber" name="155" href="#155">155</a>     }
+<a class="jxr_linenumber" name="156" href="#156">156</a>     builder.initialState(stateModel.initialState);
+<a class="jxr_linenumber" name="157" href="#157">157</a> 
+<a class="jxr_linenumber" name="158" href="#158">158</a>     <em class="jxr_comment">// Build a helper for state priorities</em>
+<a class="jxr_linenumber" name="159" href="#159">159</a>     Map&lt;String, Integer&gt; statePriorities = <strong class="jxr_keyword">new</strong> HashMap&lt;String, Integer&gt;();
+<a class="jxr_linenumber" name="160" href="#160">160</a>     <strong class="jxr_keyword">if</strong> (constraints != <strong class="jxr_keyword">null</strong> &amp;&amp; constraints.state != <strong class="jxr_keyword">null</strong> &amp;&amp; constraints.state.priorityList != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="161" href="#161">161</a>       <strong class="jxr_keyword">int</strong> statePriority = 0;
+<a class="jxr_linenumber" name="162" href="#162">162</a>       <strong class="jxr_keyword">for</strong> (String state : constraints.state.priorityList) {
+<a class="jxr_linenumber" name="163" href="#163">163</a>         <strong class="jxr_keyword">if</strong> (!stateSet.contains(state)) {
+<a class="jxr_linenumber" name="164" href="#164">164</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">"State "</span> + state
+<a class="jxr_linenumber" name="165" href="#165">165</a>               + <span class="jxr_string">" in the state priority list is not in the state list!"</span>);
+<a class="jxr_linenumber" name="166" href="#166">166</a>         }
+<a class="jxr_linenumber" name="167" href="#167">167</a>         statePriorities.put(state, statePriority);
+<a class="jxr_linenumber" name="168" href="#168">168</a>         statePriority++;
+<a class="jxr_linenumber" name="169" href="#169">169</a>       }
+<a class="jxr_linenumber" name="170" href="#170">170</a>     }
+<a class="jxr_linenumber" name="171" href="#171">171</a> 
+<a class="jxr_linenumber" name="172" href="#172">172</a>     <em class="jxr_comment">// Add states, set state priorities</em>
+<a class="jxr_linenumber" name="173" href="#173">173</a>     <strong class="jxr_keyword">for</strong> (String state : stateModel.states) {
+<a class="jxr_linenumber" name="174" href="#174">174</a>       <strong class="jxr_keyword">if</strong> (statePriorities.containsKey(state)) {
+<a class="jxr_linenumber" name="175" href="#175">175</a>         builder.addState(state, statePriorities.get(state));
+<a class="jxr_linenumber" name="176" href="#176">176</a>       } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="177" href="#177">177</a>         builder.addState(state);
+<a class="jxr_linenumber" name="178" href="#178">178</a>       }
+<a class="jxr_linenumber" name="179" href="#179">179</a>     }
+<a class="jxr_linenumber" name="180" href="#180">180</a> 
+<a class="jxr_linenumber" name="181" href="#181">181</a>     <em class="jxr_comment">// Set state counts</em>
+<a class="jxr_linenumber" name="182" href="#182">182</a>     <strong class="jxr_keyword">for</strong> (Map&lt;String, String&gt; counts : constraints.state.counts) {
+<a class="jxr_linenumber" name="183" href="#183">183</a>       String state = counts.get(<span class="jxr_string">"name"</span>);
+<a class="jxr_linenumber" name="184" href="#184">184</a>       <strong class="jxr_keyword">if</strong> (!stateSet.contains(state)) {
+<a class="jxr_linenumber" name="185" href="#185">185</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">"State "</span> + state + <span class="jxr_string">" has a count, but not in the state list!"</span>);
+<a class="jxr_linenumber" name="186" href="#186">186</a>       }
+<a class="jxr_linenumber" name="187" href="#187">187</a>       builder.dynamicUpperBound(state, counts.get(<span class="jxr_string">"count"</span>));
+<a class="jxr_linenumber" name="188" href="#188">188</a>     }
+<a class="jxr_linenumber" name="189" href="#189">189</a> 
+<a class="jxr_linenumber" name="190" href="#190">190</a>     <em class="jxr_comment">// Build a helper for transition priorities</em>
+<a class="jxr_linenumber" name="191" href="#191">191</a>     Map&lt;String, Integer&gt; transitionPriorities = <strong class="jxr_keyword">new</strong> HashMap&lt;String, Integer&gt;();
+<a class="jxr_linenumber" name="192" href="#192">192</a>     <strong class="jxr_keyword">if</strong> (constraints != <strong class="jxr_keyword">null</strong> &amp;&amp; constraints.transition != <strong class="jxr_keyword">null</strong>
+<a class="jxr_linenumber" name="193" href="#193">193</a>         &amp;&amp; constraints.transition.priorityList != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="194" href="#194">194</a>       <strong class="jxr_keyword">int</strong> transitionPriority = 0;
+<a class="jxr_linenumber" name="195" href="#195">195</a>       <strong class="jxr_keyword">for</strong> (String transition : constraints.transition.priorityList) {
+<a class="jxr_linenumber" name="196" href="#196">196</a>         transitionPriorities.put(transition, transitionPriority);
+<a class="jxr_linenumber" name="197" href="#197">197</a>         transitionPriority++;
+<a class="jxr_linenumber" name="198" href="#198">198</a>       }
+<a class="jxr_linenumber" name="199" href="#199">199</a>     }
+<a class="jxr_linenumber" name="200" href="#200">200</a> 
+<a class="jxr_linenumber" name="201" href="#201">201</a>     <em class="jxr_comment">// Add the transitions</em>
+<a class="jxr_linenumber" name="202" href="#202">202</a>     <strong class="jxr_keyword">if</strong> (stateModel.transitions == <strong class="jxr_keyword">null</strong> || stateModel.transitions.size() == 0) {
+<a class="jxr_linenumber" name="203" href="#203">203</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">"Transitions are required!"</span>);
+<a class="jxr_linenumber" name="204" href="#204">204</a>     }
+<a class="jxr_linenumber" name="205" href="#205">205</a>     <strong class="jxr_keyword">for</strong> (Map&lt;String, String&gt; transitions : stateModel.transitions) {
+<a class="jxr_linenumber" name="206" href="#206">206</a>       String name = transitions.get(<span class="jxr_string">"name"</span>);
+<a class="jxr_linenumber" name="207" href="#207">207</a>       String from = transitions.get(<span class="jxr_string">"from"</span>);
+<a class="jxr_linenumber" name="208" href="#208">208</a>       String to = transitions.get(<span class="jxr_string">"to"</span>);
+<a class="jxr_linenumber" name="209" href="#209">209</a>       <strong class="jxr_keyword">if</strong> (name == <strong class="jxr_keyword">null</strong> || from == <strong class="jxr_keyword">null</strong> || to == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="210" href="#210">210</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">"All transitions must have a name, a from state, and a to state"</span>);
+<a class="jxr_linenumber" name="211" href="#211">211</a>       }
+<a class="jxr_linenumber" name="212" href="#212">212</a>       <strong class="jxr_keyword">if</strong> (transitionPriorities.containsKey(name)) {
+<a class="jxr_linenumber" name="213" href="#213">213</a>         builder.addTransition(from, to, transitionPriorities.get(name));
+<a class="jxr_linenumber" name="214" href="#214">214</a>       } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="215" href="#215">215</a>         builder.addTransition(from, to);
+<a class="jxr_linenumber" name="216" href="#216">216</a>       }
+<a class="jxr_linenumber" name="217" href="#217">217</a>     }
+<a class="jxr_linenumber" name="218" href="#218">218</a> 
+<a class="jxr_linenumber" name="219" href="#219">219</a>     <strong class="jxr_keyword">return</strong> builder.build();
+<a class="jxr_linenumber" name="220" href="#220">220</a>   }
+<a class="jxr_linenumber" name="221" href="#221">221</a> 
+<a class="jxr_linenumber" name="222" href="#222">222</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">   * Java wrapper for the YAML input file</em>
+<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="225" href="#225">225</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">YAMLClusterConfig</a> {
+<a class="jxr_linenumber" name="226" href="#226">226</a>     <strong class="jxr_keyword">public</strong> String clusterName;
+<a class="jxr_linenumber" name="227" href="#227">227</a>     <strong class="jxr_keyword">public</strong> List&lt;ResourceConfig&gt; resources;
+<a class="jxr_linenumber" name="228" href="#228">228</a>     <strong class="jxr_keyword">public</strong> List&lt;ParticipantConfig&gt; participants;
+<a class="jxr_linenumber" name="229" href="#229">229</a> 
+<a class="jxr_linenumber" name="230" href="#230">230</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">ResourceConfig</a> {
+<a class="jxr_linenumber" name="231" href="#231">231</a>       <strong class="jxr_keyword">public</strong> String name;
+<a class="jxr_linenumber" name="232" href="#232">232</a>       <strong class="jxr_keyword">public</strong> Map&lt;String, String&gt; rebalancer;
+<a class="jxr_linenumber" name="233" href="#233">233</a>       <strong class="jxr_keyword">public</strong> Map&lt;String, Integer&gt; partitions;
+<a class="jxr_linenumber" name="234" href="#234">234</a>       <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">StateModelConfig</a> stateModel;
+<a class="jxr_linenumber" name="235" href="#235">235</a>       <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">ConstraintsConfig</a> constraints;
+<a class="jxr_linenumber" name="236" href="#236">236</a> 
+<a class="jxr_linenumber" name="237" href="#237">237</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">StateModelConfig</a> {
+<a class="jxr_linenumber" name="238" href="#238">238</a>         <strong class="jxr_keyword">public</strong> String name;
+<a class="jxr_linenumber" name="239" href="#239">239</a>         <strong class="jxr_keyword">public</strong> List&lt;String&gt; states;
+<a class="jxr_linenumber" name="240" href="#240">240</a>         <strong class="jxr_keyword">public</strong> List&lt;Map&lt;String, String&gt;&gt; transitions;
+<a class="jxr_linenumber" name="241" href="#241">241</a>         <strong class="jxr_keyword">public</strong> String initialState;
+<a class="jxr_linenumber" name="242" href="#242">242</a>       }
+<a class="jxr_linenumber" name="243" href="#243">243</a> 
+<a class="jxr_linenumber" name="244" href="#244">244</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">ConstraintsConfig</a> {
+<a class="jxr_linenumber" name="245" href="#245">245</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">StateConstraintsConfig</a> state;
+<a class="jxr_linenumber" name="246" href="#246">246</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">TransitionConstraintsConfig</a> transition;
+<a class="jxr_linenumber" name="247" href="#247">247</a> 
+<a class="jxr_linenumber" name="248" href="#248">248</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">StateConstraintsConfig</a> {
+<a class="jxr_linenumber" name="249" href="#249">249</a>           <strong class="jxr_keyword">public</strong> List&lt;Map&lt;String, String&gt;&gt; counts;
+<a class="jxr_linenumber" name="250" href="#250">250</a>           <strong class="jxr_keyword">public</strong> List&lt;String&gt; priorityList;
+<a class="jxr_linenumber" name="251" href="#251">251</a>         }
+<a class="jxr_linenumber" name="252" href="#252">252</a> 
+<a class="jxr_linenumber" name="253" href="#253">253</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">TransitionConstraintsConfig</a> {
+<a class="jxr_linenumber" name="254" href="#254">254</a>           <strong class="jxr_keyword">public</strong> List&lt;String&gt; priorityList;
+<a class="jxr_linenumber" name="255" href="#255">255</a>         }
+<a class="jxr_linenumber" name="256" href="#256">256</a>       }
+<a class="jxr_linenumber" name="257" href="#257">257</a>     }
+<a class="jxr_linenumber" name="258" href="#258">258</a> 
+<a class="jxr_linenumber" name="259" href="#259">259</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">ParticipantConfig</a> {
+<a class="jxr_linenumber" name="260" href="#260">260</a>       <strong class="jxr_keyword">public</strong> String name;
+<a class="jxr_linenumber" name="261" href="#261">261</a>       <strong class="jxr_keyword">public</strong> String host;
+<a class="jxr_linenumber" name="262" href="#262">262</a>       <strong class="jxr_keyword">public</strong> Integer port;
+<a class="jxr_linenumber" name="263" href="#263">263</a>     }
+<a class="jxr_linenumber" name="264" href="#264">264</a>   }
+<a class="jxr_linenumber" name="265" href="#265">265</a> 
+<a class="jxr_linenumber" name="266" href="#266">266</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment">   * Start a cluster defined by a YAML file</em>
+<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment">   * @param args zkAddr, yamlFile</em>
+<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="270" href="#270">270</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> main(String[] args) {
+<a class="jxr_linenumber" name="271" href="#271">271</a>     <strong class="jxr_keyword">if</strong> (args.length &lt; 2) {
+<a class="jxr_linenumber" name="272" href="#272">272</a>       LOG.error(<span class="jxr_string">"USAGE: YAMLClusterSetup zkAddr yamlFile"</span>);
+<a class="jxr_linenumber" name="273" href="#273">273</a>       <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="274" href="#274">274</a>     }
+<a class="jxr_linenumber" name="275" href="#275">275</a>     String zkAddress = args[0];
+<a class="jxr_linenumber" name="276" href="#276">276</a>     String yamlFile = args[1];
+<a class="jxr_linenumber" name="277" href="#277">277</a> 
+<a class="jxr_linenumber" name="278" href="#278">278</a>     InputStream input;
+<a class="jxr_linenumber" name="279" href="#279">279</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="280" href="#280">280</a>       input = <strong class="jxr_keyword">new</strong> FileInputStream(<strong class="jxr_keyword">new</strong> File(yamlFile));
+<a class="jxr_linenumber" name="281" href="#281">281</a>     } <strong class="jxr_keyword">catch</strong> (FileNotFoundException e) {
+<a class="jxr_linenumber" name="282" href="#282">282</a>       LOG.error(<span class="jxr_string">"Could not open "</span> + yamlFile);
+<a class="jxr_linenumber" name="283" href="#283">283</a>       <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="284" href="#284">284</a>     }
+<a class="jxr_linenumber" name="285" href="#285">285</a>     <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/helix/tools/YAMLClusterSetup.html">YAMLClusterSetup</a>(zkAddress).setupCluster(input);
+<a class="jxr_linenumber" name="286" href="#286">286</a>   }
+<a class="jxr_linenumber" name="287" href="#287">287</a> }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
+</html>



Mime
View raw message