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Posted to commits@helix.apache.org by ol...@apache.org on 2013/02/04 19:40:12 UTC
svn commit: r1442295 [37/38] - in /incubator/helix/site-content: ./
apidocs/assets/ apidocs/reference/ apidocs/reference/org/apache/helix/
apidocs/reference/org/apache/helix/manager/zk/ helix-admin-webapp/
helix-core/ involved/ mockservice/ recipes/ re...
Modified: incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZKHelixManager.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZKHelixManager.html?rev=1442295&r1=1442294&r2=1442295&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZKHelixManager.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZKHelixManager.html Mon Feb 4 18:40:07 2013
@@ -66,1044 +66,1002 @@
<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> org.apache.helix.HelixManager;
<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> org.apache.helix.HelixTimerTask;
<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> org.apache.helix.IdealStateChangeListener;
-<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">import</strong> org.apache.helix.InstanceType;
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">import</strong> org.apache.helix.LiveInstanceChangeListener;
-<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">import</strong> org.apache.helix.MessageListener;
-<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PreConnectCallback;
-<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyKey.Builder;
-<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyPathConfig;
-<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyType;
-<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">import</strong> org.apache.helix.ZNRecord;
-<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">import</strong> org.apache.helix.controller.restlet.ZKPropertyTransferServer;
-<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.HealthStatsAggregationTask;
-<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.ParticipantHealthReportCollector;
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.ParticipantHealthReportCollectorImpl;
-<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">import</strong> org.apache.helix.messaging.DefaultMessagingService;
-<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">import</strong> org.apache.helix.messaging.handling.MessageHandlerFactory;
-<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.CurrentState;
-<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.LiveInstance;
-<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.Message.MessageType;
-<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.StateModelDefinition;
-<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">import</strong> org.apache.helix.monitoring.ZKPathDataDumpTask;
-<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">import</strong> org.apache.helix.participant.DistClusterControllerElection;
-<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">import</strong> org.apache.helix.participant.HelixStateMachineEngine;
-<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">import</strong> org.apache.helix.participant.StateMachineEngine;
-<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">import</strong> org.apache.helix.store.ZNRecordJsonSerializer;
-<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">import</strong> org.apache.helix.store.zk.ZkHelixPropertyStore;
-<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">import</strong> org.apache.helix.tools.PropertiesReader;
-<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.EventType;
-<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.KeeperState;
-<a class="jxr_linenumber" name="87" href="#87">87</a>
-<a class="jxr_linenumber" name="88" href="#88">88</a>
-<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/helix/HelixManager.html">HelixManager</a>
-<a class="jxr_linenumber" name="90" href="#90">90</a> {
-<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Logger logger =
-<a class="jxr_linenumber" name="92" href="#92">92</a> Logger.getLogger(ZKHelixManager.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> RETRY_LIMIT = 3;
-<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> CONNECTIONTIMEOUT = 60 * 1000;
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _clusterName;
-<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _instanceName;
-<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _zkConnectString;
-<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_SESSION_TIMEOUT = 30 * 1000;
-<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixDataAccessor.html">ZKHelixDataAccessor</a> _helixAccessor;
-<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/ConfigAccessor.html">ConfigAccessor</a> _configAccessor;
-<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a> _zkClient;
-<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<CallbackHandler> _handlers;
-<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a> _zkStateChangeListener;
-<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/InstanceType.html">InstanceType</a> _instanceType;
-<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">volatile</strong> String _sessionId;
-<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">private</strong> Timer _timer;
-<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> _leaderElectionHandler;
-<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/healthcheck/ParticipantHealthReportCollectorImpl.html">ParticipantHealthReportCollectorImpl</a> _participantHealthCheckInfoCollector;
-<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/messaging/DefaultMessagingService.html">DefaultMessagingService</a> _messagingService;
-<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixAdmin.html">ZKHelixAdmin</a> _managementTool;
-<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _version;
-<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/participant/StateMachineEngine.html">StateMachineEngine</a> _stateMachEngine;
-<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> _sessionTimeout;
-<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">private</strong> ZkHelixPropertyStore<ZNRecord> _helixPropertyStore;
-<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<HelixTimerTask> _controllerTimerTasks;
-<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">private</strong> BaseDataAccessor<ZNRecord> _baseDataAccessor;
-<a class="jxr_linenumber" name="117" href="#117">117</a> List<PreConnectCallback> _preConnectCallbacks =
-<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">new</strong> LinkedList<PreConnectCallback>();
-<a class="jxr_linenumber" name="119" href="#119">119</a> <a href="../../../../../org/apache/helix/controller/restlet/ZKPropertyTransferServer.html">ZKPropertyTransferServer</a> _transferServer = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">int</strong> _flappingTimeWindowMs;
-<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">int</strong> _maxDisconnectThreshold;
-<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> FLAPPING_TIME_WINDIOW = 300000; <em class="jxr_comment">// Default to 300 sec</em>
-<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> MAX_DISCONNECT_THRESHOLD = 5;
-<a class="jxr_linenumber" name="124" href="#124">124</a>
-<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a>(String clusterName,
-<a class="jxr_linenumber" name="126" href="#126">126</a> String instanceName,
-<a class="jxr_linenumber" name="127" href="#127">127</a> <a href="../../../../../org/apache/helix/InstanceType.html">InstanceType</a> instanceType,
-<a class="jxr_linenumber" name="128" href="#128">128</a> String zkConnectString) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="129" href="#129">129</a> {
-<a class="jxr_linenumber" name="130" href="#130">130</a> logger.info(<span class="jxr_string">"Create a zk-based cluster manager. clusterName:"</span> + clusterName
-<a class="jxr_linenumber" name="131" href="#131">131</a> + <span class="jxr_string">", instanceName:"</span> + instanceName + <span class="jxr_string">", type:"</span> + instanceType + <span class="jxr_string">", zkSvr:"</span>
-<a class="jxr_linenumber" name="132" href="#132">132</a> + zkConnectString);
-<a class="jxr_linenumber" name="133" href="#133">133</a> _flappingTimeWindowMs = FLAPPING_TIME_WINDIOW;
-<a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="135" href="#135">135</a> {
-<a class="jxr_linenumber" name="136" href="#136">136</a> _flappingTimeWindowMs =
-<a class="jxr_linenumber" name="137" href="#137">137</a> Integer.parseInt(System.getProperty(<span class="jxr_string">"helixmanager.flappingTimeWindow"</span>, <span class="jxr_string">""</span>
-<a class="jxr_linenumber" name="138" href="#138">138</a> + FLAPPING_TIME_WINDIOW));
-<a class="jxr_linenumber" name="139" href="#139">139</a> }
-<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
-<a class="jxr_linenumber" name="141" href="#141">141</a> {
-<a class="jxr_linenumber" name="142" href="#142">142</a> logger.warn(<span class="jxr_string">"Exception while parsing helixmanager.flappingTimeWindow: "</span>
-<a class="jxr_linenumber" name="143" href="#143">143</a> + System.getProperty(<span class="jxr_string">"helixmanager.flappingTimeWindow"</span>, <span class="jxr_string">""</span> + FLAPPING_TIME_WINDIOW));
-<a class="jxr_linenumber" name="144" href="#144">144</a> }
-<a class="jxr_linenumber" name="145" href="#145">145</a> _maxDisconnectThreshold = MAX_DISCONNECT_THRESHOLD;
-<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="147" href="#147">147</a> {
-<a class="jxr_linenumber" name="148" href="#148">148</a> _maxDisconnectThreshold =
-<a class="jxr_linenumber" name="149" href="#149">149</a> Integer.parseInt(System.getProperty(<span class="jxr_string">"helixmanager.maxDisconnectThreshold"</span>, <span class="jxr_string">""</span>
-<a class="jxr_linenumber" name="150" href="#150">150</a> + MAX_DISCONNECT_THRESHOLD));
-<a class="jxr_linenumber" name="151" href="#151">151</a> }
-<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
-<a class="jxr_linenumber" name="153" href="#153">153</a> {
-<a class="jxr_linenumber" name="154" href="#154">154</a> logger.warn(<span class="jxr_string">"Exception while parsing helixmanager.maxDisconnectThreshold: "</span>
-<a class="jxr_linenumber" name="155" href="#155">155</a> + System.getProperty(<span class="jxr_string">"helixmanager.maxDisconnectThreshold"</span>, <span class="jxr_string">""</span> + MAX_DISCONNECT_THRESHOLD));
-<a class="jxr_linenumber" name="156" href="#156">156</a> }
-<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">int</strong> sessionTimeoutInt = -1;
-<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="159" href="#159">159</a> {
-<a class="jxr_linenumber" name="160" href="#160">160</a> sessionTimeoutInt =
-<a class="jxr_linenumber" name="161" href="#161">161</a> Integer.parseInt(System.getProperty(<span class="jxr_string">"helixmanager.flappingTimeWindow"</span>, <span class="jxr_string">""</span>
-<a class="jxr_linenumber" name="162" href="#162">162</a> + DEFAULT_SESSION_TIMEOUT));
-<a class="jxr_linenumber" name="163" href="#163">163</a> }
-<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
-<a class="jxr_linenumber" name="165" href="#165">165</a> {
-<a class="jxr_linenumber" name="166" href="#166">166</a> logger.warn(<span class="jxr_string">"Exception while parsing session timeout: "</span>
-<a class="jxr_linenumber" name="167" href="#167">167</a> + System.getProperty(<span class="jxr_string">"zk.session.timeout"</span>, <span class="jxr_string">""</span> + DEFAULT_SESSION_TIMEOUT));
-<a class="jxr_linenumber" name="168" href="#168">168</a> }
-<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">if</strong> (sessionTimeoutInt > 0)
-<a class="jxr_linenumber" name="170" href="#170">170</a> {
-<a class="jxr_linenumber" name="171" href="#171">171</a> _sessionTimeout = sessionTimeoutInt;
-<a class="jxr_linenumber" name="172" href="#172">172</a> }
-<a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">else</strong>
-<a class="jxr_linenumber" name="174" href="#174">174</a> {
-<a class="jxr_linenumber" name="175" href="#175">175</a> _sessionTimeout = DEFAULT_SESSION_TIMEOUT;
-<a class="jxr_linenumber" name="176" href="#176">176</a> }
-<a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">if</strong> (instanceName == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="178" href="#178">178</a> {
-<a class="jxr_linenumber" name="179" href="#179">179</a> <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="180" href="#180">180</a> {
-<a class="jxr_linenumber" name="181" href="#181">181</a> instanceName =
-<a class="jxr_linenumber" name="182" href="#182">182</a> InetAddress.getLocalHost().getCanonicalHostName() + <span class="jxr_string">"-"</span>
-<a class="jxr_linenumber" name="183" href="#183">183</a> + instanceType.toString();
-<a class="jxr_linenumber" name="184" href="#184">184</a> }
-<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">catch</strong> (UnknownHostException e)
-<a class="jxr_linenumber" name="186" href="#186">186</a> {
-<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_comment">// can ignore it</em>
-<a class="jxr_linenumber" name="188" href="#188">188</a> logger.info(<span class="jxr_string">"Unable to get host name. Will set it to UNKNOWN, mostly ignorable"</span>,
-<a class="jxr_linenumber" name="189" href="#189">189</a> e);
-<a class="jxr_linenumber" name="190" href="#190">190</a> instanceName = <span class="jxr_string">"UNKNOWN"</span>;
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-<a class="jxr_linenumber" name="193" href="#193">193</a>
-<a class="jxr_linenumber" name="194" href="#194">194</a> _clusterName = clusterName;
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-<a class="jxr_linenumber" name="197" href="#197">197</a> _zkConnectString = zkConnectString;
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-<a class="jxr_linenumber" name="202" href="#202">202</a>
-<a class="jxr_linenumber" name="203" href="#203">203</a> _messagingService = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/messaging/DefaultMessagingService.html">DefaultMessagingService</a>(<strong class="jxr_keyword">this</strong>);
-<a class="jxr_linenumber" name="204" href="#204">204</a>
-<a class="jxr_linenumber" name="205" href="#205">205</a> _version =
-<a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/tools/PropertiesReader.html">PropertiesReader</a>(<span class="jxr_string">"cluster-manager-version.properties"</span>).getProperty(<span class="jxr_string">"clustermanager.version"</span>);
-<a class="jxr_linenumber" name="207" href="#207">207</a>
-<a class="jxr_linenumber" name="208" href="#208">208</a> _stateMachEngine = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/participant/HelixStateMachineEngine.html">HelixStateMachineEngine</a>(<strong class="jxr_keyword">this</strong>);
-<a class="jxr_linenumber" name="209" href="#209">209</a>
-<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_comment">// add all timer tasks</em>
-<a class="jxr_linenumber" name="211" href="#211">211</a> _controllerTimerTasks = <strong class="jxr_keyword">new</strong> ArrayList<HelixTimerTask>();
-<a class="jxr_linenumber" name="212" href="#212">212</a> <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.CONTROLLER)
-<a class="jxr_linenumber" name="213" href="#213">213</a> {
-<a class="jxr_linenumber" name="214" href="#214">214</a> _controllerTimerTasks.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/healthcheck/HealthStatsAggregationTask.html">HealthStatsAggregationTask</a>(<strong class="jxr_keyword">this</strong>));
-<a class="jxr_linenumber" name="215" href="#215">215</a> }
-<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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isInstanceSetup()
-<a class="jxr_linenumber" name="219" href="#219">219</a> {
-<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.PARTICIPANT
-<a class="jxr_linenumber" name="221" href="#221">221</a> || _instanceType == InstanceType.CONTROLLER_PARTICIPANT)
-<a class="jxr_linenumber" name="222" href="#222">222</a> {
-<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">boolean</strong> isValid =
-<a class="jxr_linenumber" name="224" href="#224">224</a> _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CONFIGS,
-<a class="jxr_linenumber" name="225" href="#225">225</a> _clusterName,
-<a class="jxr_linenumber" name="226" href="#226">226</a> ConfigScopeProperty.PARTICIPANT.toString(),
-<a class="jxr_linenumber" name="227" href="#227">227</a> _instanceName))
-<a class="jxr_linenumber" name="228" href="#228">228</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.MESSAGES,
-<a class="jxr_linenumber" name="229" href="#229">229</a> _clusterName,
-<a class="jxr_linenumber" name="230" href="#230">230</a> _instanceName))
-<a class="jxr_linenumber" name="231" href="#231">231</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CURRENTSTATES,
-<a class="jxr_linenumber" name="232" href="#232">232</a> _clusterName,
-<a class="jxr_linenumber" name="233" href="#233">233</a> _instanceName))
-<a class="jxr_linenumber" name="234" href="#234">234</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.STATUSUPDATES,
-<a class="jxr_linenumber" name="235" href="#235">235</a> _clusterName,
-<a class="jxr_linenumber" name="236" href="#236">236</a> _instanceName))
-<a class="jxr_linenumber" name="237" href="#237">237</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.ERRORS,
-<a class="jxr_linenumber" name="238" href="#238">238</a> _clusterName,
-<a class="jxr_linenumber" name="239" href="#239">239</a> _instanceName));
-<a class="jxr_linenumber" name="240" href="#240">240</a>
-<a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">return</strong> isValid;
-<a class="jxr_linenumber" name="242" href="#242">242</a> }
-<a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="244" href="#244">244</a> }
-<a class="jxr_linenumber" name="245" href="#245">245</a>
-<a class="jxr_linenumber" name="246" href="#246">246</a> @Override
-<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addIdealStateChangeListener(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/IdealStateChangeListener.html">IdealStateChangeListener</a> listener) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="248" href="#248">248</a> {
-<a class="jxr_linenumber" name="249" href="#249">249</a> logger.info(<span class="jxr_string">"ClusterManager.addIdealStateChangeListener()"</span>);
-<a class="jxr_linenumber" name="250" href="#250">250</a> checkConnected();
-<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">final</strong> String path =
-<a class="jxr_linenumber" name="252" href="#252">252</a> PropertyPathConfig.getPath(PropertyType.IDEALSTATES, _clusterName);
-<a class="jxr_linenumber" name="253" href="#253">253</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="254" href="#254">254</a> createCallBackHandler(path,
-<a class="jxr_linenumber" name="255" href="#255">255</a> listener,
-<a class="jxr_linenumber" name="256" href="#256">256</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged,
-<a class="jxr_linenumber" name="257" href="#257">257</a> EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="258" href="#258">258</a> IDEAL_STATE);
-<a class="jxr_linenumber" name="259" href="#259">259</a> addListener(callbackHandler);
-<a class="jxr_linenumber" name="260" href="#260">260</a> }
-<a class="jxr_linenumber" name="261" href="#261">261</a>
-<a class="jxr_linenumber" name="262" href="#262">262</a> @Override
-<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addLiveInstanceChangeListener(<a href="../../../../../org/apache/helix/LiveInstanceChangeListener.html">LiveInstanceChangeListener</a> listener) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="264" href="#264">264</a> {
-<a class="jxr_linenumber" name="265" href="#265">265</a> logger.info(<span class="jxr_string">"ClusterManager.addLiveInstanceChangeListener()"</span>);
-<a class="jxr_linenumber" name="266" href="#266">266</a> checkConnected();
-<a class="jxr_linenumber" name="267" href="#267">267</a> <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().liveInstances().getPath();
-<a class="jxr_linenumber" name="268" href="#268">268</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="269" href="#269">269</a> createCallBackHandler(path,
-<a class="jxr_linenumber" name="270" href="#270">270</a> listener,
-<a class="jxr_linenumber" name="271" href="#271">271</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged, EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="272" href="#272">272</a> EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="273" href="#273">273</a> LIVE_INSTANCE);
-<a class="jxr_linenumber" name="274" href="#274">274</a> addListener(callbackHandler);
-<a class="jxr_linenumber" name="275" href="#275">275</a> }
-<a class="jxr_linenumber" name="276" href="#276">276</a>
-<a class="jxr_linenumber" name="277" href="#277">277</a> @Override
-<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addConfigChangeListener(<a href="../../../../../org/apache/helix/ConfigChangeListener.html">ConfigChangeListener</a> listener)
-<a class="jxr_linenumber" name="279" href="#279">279</a> {
-<a class="jxr_linenumber" name="280" href="#280">280</a> logger.info(<span class="jxr_string">"ClusterManager.addConfigChangeListener()"</span>);
-<a class="jxr_linenumber" name="281" href="#281">281</a> checkConnected();
-<a class="jxr_linenumber" name="282" href="#282">282</a> <strong class="jxr_keyword">final</strong> String path =
-<a class="jxr_linenumber" name="283" href="#283">283</a> PropertyPathConfig.getPath(PropertyType.CONFIGS,
-<a class="jxr_linenumber" name="284" href="#284">284</a> _clusterName,
-<a class="jxr_linenumber" name="285" href="#285">285</a> ConfigScopeProperty.PARTICIPANT.toString());
-<a class="jxr_linenumber" name="286" href="#286">286</a>
-<a class="jxr_linenumber" name="287" href="#287">287</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="288" href="#288">288</a> createCallBackHandler(path,
-<a class="jxr_linenumber" name="289" href="#289">289</a> listener,
-<a class="jxr_linenumber" name="290" href="#290">290</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged },
-<a class="jxr_linenumber" name="291" href="#291">291</a> CONFIG);
-<a class="jxr_linenumber" name="292" href="#292">292</a> addListener(callbackHandler);
-<a class="jxr_linenumber" name="293" href="#293">293</a>
-<a class="jxr_linenumber" name="294" href="#294">294</a> }
-<a class="jxr_linenumber" name="295" href="#295">295</a>
-<a class="jxr_linenumber" name="296" href="#296">296</a> <em class="jxr_comment">// TODO: Decide if do we still need this since we are exposing</em>
-<a class="jxr_linenumber" name="297" href="#297">297</a> <em class="jxr_comment">// ClusterMessagingService</em>
+<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">import</strong> org.apache.helix.InstanceConfigChangeListener;
+<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">import</strong> org.apache.helix.InstanceType;
+<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">import</strong> org.apache.helix.LiveInstanceChangeListener;
+<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">import</strong> org.apache.helix.MessageListener;
+<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PreConnectCallback;
+<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyKey;
+<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyKey.Builder;
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyPathConfig;
+<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyType;
+<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">import</strong> org.apache.helix.ScopedConfigChangeListener;
+<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">import</strong> org.apache.helix.ZNRecord;
+<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">import</strong> org.apache.helix.controller.restlet.ZKPropertyTransferServer;
+<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.HealthStatsAggregationTask;
+<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.ParticipantHealthReportCollector;
+<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.ParticipantHealthReportCollectorImpl;
+<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">import</strong> org.apache.helix.messaging.DefaultMessagingService;
+<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">import</strong> org.apache.helix.messaging.handling.MessageHandlerFactory;
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.CurrentState;
+<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.LiveInstance;
+<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.Message.MessageType;
+<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">import</strong> org.apache.helix.model.StateModelDefinition;
+<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">import</strong> org.apache.helix.monitoring.ZKPathDataDumpTask;
+<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">import</strong> org.apache.helix.participant.DistClusterControllerElection;
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">import</strong> org.apache.helix.participant.HelixStateMachineEngine;
+<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">import</strong> org.apache.helix.participant.StateMachineEngine;
+<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">import</strong> org.apache.helix.store.ZNRecordJsonSerializer;
+<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">import</strong> org.apache.helix.store.zk.ZkHelixPropertyStore;
+<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">import</strong> org.apache.helix.tools.PropertiesReader;
+<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
+<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.EventType;
+<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.KeeperState;
+<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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/helix/HelixManager.html">HelixManager</a>
+<a class="jxr_linenumber" name="93" href="#93">93</a> {
+<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Logger logger =
+<a class="jxr_linenumber" name="95" href="#95">95</a> Logger.getLogger(ZKHelixManager.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> RETRY_LIMIT = 3;
+<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> CONNECTIONTIMEOUT = 60 * 1000;
+<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _clusterName;
+<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _instanceName;
+<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _zkConnectString;
+<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_SESSION_TIMEOUT = 30 * 1000;
+<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixDataAccessor.html">ZKHelixDataAccessor</a> _helixAccessor;
+<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/ConfigAccessor.html">ConfigAccessor</a> _configAccessor;
+<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a> _zkClient;
+<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">protected</strong> List<CallbackHandler> _handlers;
+<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a> _zkStateChangeListener;
+<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/InstanceType.html">InstanceType</a> _instanceType;
+<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">volatile</strong> String _sessionId;
+<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">private</strong> Timer _timer;
+<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> _leaderElectionHandler;
+<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/healthcheck/ParticipantHealthReportCollectorImpl.html">ParticipantHealthReportCollectorImpl</a> _participantHealthCheckInfoCollector;
+<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/messaging/DefaultMessagingService.html">DefaultMessagingService</a> _messagingService;
+<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixAdmin.html">ZKHelixAdmin</a> _managementTool;
+<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String _version;
+<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/participant/StateMachineEngine.html">StateMachineEngine</a> _stateMachEngine;
+<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> _sessionTimeout;
+<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">private</strong> ZkHelixPropertyStore<ZNRecord> _helixPropertyStore;
+<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List<HelixTimerTask> _controllerTimerTasks;
+<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">private</strong> BaseDataAccessor<ZNRecord> _baseDataAccessor;
+<a class="jxr_linenumber" name="120" href="#120">120</a> List<PreConnectCallback> _preConnectCallbacks =
+<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">new</strong> LinkedList<PreConnectCallback>();
+<a class="jxr_linenumber" name="122" href="#122">122</a> <a href="../../../../../org/apache/helix/controller/restlet/ZKPropertyTransferServer.html">ZKPropertyTransferServer</a> _transferServer = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">int</strong> _flappingTimeWindowMs;
+<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">int</strong> _maxDisconnectThreshold;
+<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> FLAPPING_TIME_WINDIOW = 300000; <em class="jxr_comment">// Default to 300 sec</em>
+<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> MAX_DISCONNECT_THRESHOLD = 5;
+<a class="jxr_linenumber" name="127" href="#127">127</a>
+<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixManager.html">ZKHelixManager</a>(String clusterName,
+<a class="jxr_linenumber" name="129" href="#129">129</a> String instanceName,
+<a class="jxr_linenumber" name="130" href="#130">130</a> <a href="../../../../../org/apache/helix/InstanceType.html">InstanceType</a> instanceType,
+<a class="jxr_linenumber" name="131" href="#131">131</a> String zkConnectString) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="132" href="#132">132</a> {
+<a class="jxr_linenumber" name="133" href="#133">133</a> logger.info(<span class="jxr_string">"Create a zk-based cluster manager. clusterName:"</span> + clusterName
+<a class="jxr_linenumber" name="134" href="#134">134</a> + <span class="jxr_string">", instanceName:"</span> + instanceName + <span class="jxr_string">", type:"</span> + instanceType + <span class="jxr_string">", zkSvr:"</span>
+<a class="jxr_linenumber" name="135" href="#135">135</a> + zkConnectString);
+<a class="jxr_linenumber" name="136" href="#136">136</a> _flappingTimeWindowMs = FLAPPING_TIME_WINDIOW;
+<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="138" href="#138">138</a> {
+<a class="jxr_linenumber" name="139" href="#139">139</a> _flappingTimeWindowMs =
+<a class="jxr_linenumber" name="140" href="#140">140</a> Integer.parseInt(System.getProperty(<span class="jxr_string">"helixmanager.flappingTimeWindow"</span>, <span class="jxr_string">""</span>
+<a class="jxr_linenumber" name="141" href="#141">141</a> + FLAPPING_TIME_WINDIOW));
+<a class="jxr_linenumber" name="142" href="#142">142</a> }
+<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
+<a class="jxr_linenumber" name="144" href="#144">144</a> {
+<a class="jxr_linenumber" name="145" href="#145">145</a> logger.warn(<span class="jxr_string">"Exception while parsing helixmanager.flappingTimeWindow: "</span>
+<a class="jxr_linenumber" name="146" href="#146">146</a> + System.getProperty(<span class="jxr_string">"helixmanager.flappingTimeWindow"</span>, <span class="jxr_string">""</span> + FLAPPING_TIME_WINDIOW));
+<a class="jxr_linenumber" name="147" href="#147">147</a> }
+<a class="jxr_linenumber" name="148" href="#148">148</a> _maxDisconnectThreshold = MAX_DISCONNECT_THRESHOLD;
+<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="150" href="#150">150</a> {
+<a class="jxr_linenumber" name="151" href="#151">151</a> _maxDisconnectThreshold =
+<a class="jxr_linenumber" name="152" href="#152">152</a> Integer.parseInt(System.getProperty(<span class="jxr_string">"helixmanager.maxDisconnectThreshold"</span>, <span class="jxr_string">""</span>
+<a class="jxr_linenumber" name="153" href="#153">153</a> + MAX_DISCONNECT_THRESHOLD));
+<a class="jxr_linenumber" name="154" href="#154">154</a> }
+<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
+<a class="jxr_linenumber" name="156" href="#156">156</a> {
+<a class="jxr_linenumber" name="157" href="#157">157</a> logger.warn(<span class="jxr_string">"Exception while parsing helixmanager.maxDisconnectThreshold: "</span>
+<a class="jxr_linenumber" name="158" href="#158">158</a> + System.getProperty(<span class="jxr_string">"helixmanager.maxDisconnectThreshold"</span>, <span class="jxr_string">""</span> + MAX_DISCONNECT_THRESHOLD));
+<a class="jxr_linenumber" name="159" href="#159">159</a> }
+<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">int</strong> sessionTimeoutInt = -1;
+<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="162" href="#162">162</a> {
+<a class="jxr_linenumber" name="163" href="#163">163</a> sessionTimeoutInt =
+<a class="jxr_linenumber" name="164" href="#164">164</a> Integer.parseInt(System.getProperty(<span class="jxr_string">"helixmanager.flappingTimeWindow"</span>, <span class="jxr_string">""</span>
+<a class="jxr_linenumber" name="165" href="#165">165</a> + DEFAULT_SESSION_TIMEOUT));
+<a class="jxr_linenumber" name="166" href="#166">166</a> }
+<a class="jxr_linenumber" name="167" href="#167">167</a> <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
+<a class="jxr_linenumber" name="168" href="#168">168</a> {
+<a class="jxr_linenumber" name="169" href="#169">169</a> logger.warn(<span class="jxr_string">"Exception while parsing session timeout: "</span>
+<a class="jxr_linenumber" name="170" href="#170">170</a> + System.getProperty(<span class="jxr_string">"zk.session.timeout"</span>, <span class="jxr_string">""</span> + DEFAULT_SESSION_TIMEOUT));
+<a class="jxr_linenumber" name="171" href="#171">171</a> }
+<a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">if</strong> (sessionTimeoutInt > 0)
+<a class="jxr_linenumber" name="173" href="#173">173</a> {
+<a class="jxr_linenumber" name="174" href="#174">174</a> _sessionTimeout = sessionTimeoutInt;
+<a class="jxr_linenumber" name="175" href="#175">175</a> }
+<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> {
+<a class="jxr_linenumber" name="178" href="#178">178</a> _sessionTimeout = DEFAULT_SESSION_TIMEOUT;
+<a class="jxr_linenumber" name="179" href="#179">179</a> }
+<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">if</strong> (instanceName == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="181" href="#181">181</a> {
+<a class="jxr_linenumber" name="182" href="#182">182</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="183" href="#183">183</a> {
+<a class="jxr_linenumber" name="184" href="#184">184</a> instanceName =
+<a class="jxr_linenumber" name="185" href="#185">185</a> InetAddress.getLocalHost().getCanonicalHostName() + <span class="jxr_string">"-"</span>
+<a class="jxr_linenumber" name="186" href="#186">186</a> + instanceType.toString();
+<a class="jxr_linenumber" name="187" href="#187">187</a> }
+<a class="jxr_linenumber" name="188" href="#188">188</a> <strong class="jxr_keyword">catch</strong> (UnknownHostException e)
+<a class="jxr_linenumber" name="189" href="#189">189</a> {
+<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_comment">// can ignore it</em>
+<a class="jxr_linenumber" name="191" href="#191">191</a> logger.info(<span class="jxr_string">"Unable to get host name. Will set it to UNKNOWN, mostly ignorable"</span>,
+<a class="jxr_linenumber" name="192" href="#192">192</a> e);
+<a class="jxr_linenumber" name="193" href="#193">193</a> instanceName = <span class="jxr_string">"UNKNOWN"</span>;
+<a class="jxr_linenumber" name="194" href="#194">194</a> }
+<a class="jxr_linenumber" name="195" href="#195">195</a> }
+<a class="jxr_linenumber" name="196" href="#196">196</a>
+<a class="jxr_linenumber" name="197" href="#197">197</a> _clusterName = clusterName;
+<a class="jxr_linenumber" name="198" href="#198">198</a> _instanceName = instanceName;
+<a class="jxr_linenumber" name="199" href="#199">199</a> _instanceType = instanceType;
+<a class="jxr_linenumber" name="200" href="#200">200</a> _zkConnectString = zkConnectString;
+<a class="jxr_linenumber" name="201" href="#201">201</a> _zkStateChangeListener = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a>(<strong class="jxr_keyword">this</strong>, _flappingTimeWindowMs, _maxDisconnectThreshold);
+<a class="jxr_linenumber" name="202" href="#202">202</a> _timer = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="203" href="#203">203</a>
+<a class="jxr_linenumber" name="204" href="#204">204</a> _messagingService = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/messaging/DefaultMessagingService.html">DefaultMessagingService</a>(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="205" href="#205">205</a>
+<a class="jxr_linenumber" name="206" href="#206">206</a> _version =
+<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/tools/PropertiesReader.html">PropertiesReader</a>(<span class="jxr_string">"cluster-manager-version.properties"</span>).getProperty(<span class="jxr_string">"clustermanager.version"</span>);
+<a class="jxr_linenumber" name="208" href="#208">208</a>
+<a class="jxr_linenumber" name="209" href="#209">209</a> _stateMachEngine = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/participant/HelixStateMachineEngine.html">HelixStateMachineEngine</a>(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="210" href="#210">210</a>
+<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_comment">// add all timer tasks</em>
+<a class="jxr_linenumber" name="212" href="#212">212</a> _controllerTimerTasks = <strong class="jxr_keyword">new</strong> ArrayList<HelixTimerTask>();
+<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.CONTROLLER)
+<a class="jxr_linenumber" name="214" href="#214">214</a> {
+<a class="jxr_linenumber" name="215" href="#215">215</a> _controllerTimerTasks.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/healthcheck/HealthStatsAggregationTask.html">HealthStatsAggregationTask</a>(<strong class="jxr_keyword">this</strong>));
+<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">private</strong> <strong class="jxr_keyword">boolean</strong> isInstanceSetup()
+<a class="jxr_linenumber" name="220" href="#220">220</a> {
+<a class="jxr_linenumber" name="221" href="#221">221</a> <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.PARTICIPANT
+<a class="jxr_linenumber" name="222" href="#222">222</a> || _instanceType == InstanceType.CONTROLLER_PARTICIPANT)
+<a class="jxr_linenumber" name="223" href="#223">223</a> {
+<a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">boolean</strong> isValid =
+<a class="jxr_linenumber" name="225" href="#225">225</a> _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CONFIGS,
+<a class="jxr_linenumber" name="226" href="#226">226</a> _clusterName,
+<a class="jxr_linenumber" name="227" href="#227">227</a> ConfigScopeProperty.PARTICIPANT.toString(),
+<a class="jxr_linenumber" name="228" href="#228">228</a> _instanceName))
+<a class="jxr_linenumber" name="229" href="#229">229</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.MESSAGES,
+<a class="jxr_linenumber" name="230" href="#230">230</a> _clusterName,
+<a class="jxr_linenumber" name="231" href="#231">231</a> _instanceName))
+<a class="jxr_linenumber" name="232" href="#232">232</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CURRENTSTATES,
+<a class="jxr_linenumber" name="233" href="#233">233</a> _clusterName,
+<a class="jxr_linenumber" name="234" href="#234">234</a> _instanceName))
+<a class="jxr_linenumber" name="235" href="#235">235</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.STATUSUPDATES,
+<a class="jxr_linenumber" name="236" href="#236">236</a> _clusterName,
+<a class="jxr_linenumber" name="237" href="#237">237</a> _instanceName))
+<a class="jxr_linenumber" name="238" href="#238">238</a> && _zkClient.exists(PropertyPathConfig.getPath(PropertyType.ERRORS,
+<a class="jxr_linenumber" name="239" href="#239">239</a> _clusterName,
+<a class="jxr_linenumber" name="240" href="#240">240</a> _instanceName));
+<a class="jxr_linenumber" name="241" href="#241">241</a>
+<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">return</strong> isValid;
+<a class="jxr_linenumber" name="243" href="#243">243</a> }
+<a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="245" href="#245">245</a> }
+<a class="jxr_linenumber" name="246" href="#246">246</a>
+<a class="jxr_linenumber" name="247" href="#247">247</a> @Override
+<a class="jxr_linenumber" name="248" href="#248">248</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> removeListener(<a href="../../../../../org/apache/helix/PropertyKey.html">PropertyKey</a> key, Object listener)
+<a class="jxr_linenumber" name="249" href="#249">249</a> {
+<a class="jxr_linenumber" name="250" href="#250">250</a> logger.info(<span class="jxr_string">"Removing listener: "</span> + listener + <span class="jxr_string">" on path: "</span> + key.getPath()
+<a class="jxr_linenumber" name="251" href="#251">251</a> + <span class="jxr_string">" from cluster: "</span> + _clusterName + <span class="jxr_string">" by instance: "</span> + _instanceName);
+<a class="jxr_linenumber" name="252" href="#252">252</a>
+<a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>)
+<a class="jxr_linenumber" name="254" href="#254">254</a> {
+<a class="jxr_linenumber" name="255" href="#255">255</a> List<CallbackHandler> toRemove = <strong class="jxr_keyword">new</strong> ArrayList<CallbackHandler>();
+<a class="jxr_linenumber" name="256" href="#256">256</a> <strong class="jxr_keyword">for</strong> (CallbackHandler handler : _handlers)
+<a class="jxr_linenumber" name="257" href="#257">257</a> {
+<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_comment">// compare property-key path and listener reference</em>
+<a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">if</strong> (handler.getPath().equals(key.getPath()) && handler.getListener().equals(listener))
+<a class="jxr_linenumber" name="260" href="#260">260</a> {
+<a class="jxr_linenumber" name="261" href="#261">261</a> toRemove.add(handler);
+<a class="jxr_linenumber" name="262" href="#262">262</a> }
+<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> _handlers.removeAll(toRemove);
+<a class="jxr_linenumber" name="266" href="#266">266</a>
+<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_comment">// handler.reset() may modify the handlers list, so do it outside the iteration</em>
+<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">for</strong> (CallbackHandler handler : toRemove) {
+<a class="jxr_linenumber" name="269" href="#269">269</a> handler.reset();
+<a class="jxr_linenumber" name="270" href="#270">270</a> }
+<a class="jxr_linenumber" name="271" href="#271">271</a> }
+<a class="jxr_linenumber" name="272" href="#272">272</a>
+<a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="274" href="#274">274</a> }
+<a class="jxr_linenumber" name="275" href="#275">275</a>
+<a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> addListener(Object listener, <a href="../../../../../org/apache/helix/PropertyKey.html">PropertyKey</a> propertyKey, <a href="../../../../../org/apache/helix/HelixConstants.html">ChangeType</a> changeType, EventType[] eventType)
+<a class="jxr_linenumber" name="277" href="#277">277</a> {
+<a class="jxr_linenumber" name="278" href="#278">278</a> checkConnected();
+<a class="jxr_linenumber" name="279" href="#279">279</a>
+<a class="jxr_linenumber" name="280" href="#280">280</a> <a href="../../../../../org/apache/helix/PropertyType.html">PropertyType</a> type = propertyKey.getType();
+<a class="jxr_linenumber" name="281" href="#281">281</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> handler =
+<a class="jxr_linenumber" name="282" href="#282">282</a> createCallBackHandler(propertyKey, listener, eventType, changeType);
+<a class="jxr_linenumber" name="283" href="#283">283</a>
+<a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>)
+<a class="jxr_linenumber" name="285" href="#285">285</a> {
+<a class="jxr_linenumber" name="286" href="#286">286</a> _handlers.add(handler);
+<a class="jxr_linenumber" name="287" href="#287">287</a> logger.info(<span class="jxr_string">"Add listener: "</span> + listener + <span class="jxr_string">" for type: "</span> + type + <span class="jxr_string">" to path: "</span> + handler.getPath());
+<a class="jxr_linenumber" name="288" href="#288">288</a> }
+<a class="jxr_linenumber" name="289" href="#289">289</a> }
+<a class="jxr_linenumber" name="290" href="#290">290</a>
+<a class="jxr_linenumber" name="291" href="#291">291</a> @Override
+<a class="jxr_linenumber" name="292" href="#292">292</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addIdealStateChangeListener(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/helix/IdealStateChangeListener.html">IdealStateChangeListener</a> listener) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="293" href="#293">293</a> {
+<a class="jxr_linenumber" name="294" href="#294">294</a> addListener(listener, <strong class="jxr_keyword">new</strong> Builder(_clusterName).idealStates(), ChangeType.IDEAL_STATE,
+<a class="jxr_linenumber" name="295" href="#295">295</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged, EventType.NodeDeleted, EventType.NodeCreated });
+<a class="jxr_linenumber" name="296" href="#296">296</a> }
+<a class="jxr_linenumber" name="297" href="#297">297</a>
<a class="jxr_linenumber" name="298" href="#298">298</a> @Override
-<a class="jxr_linenumber" name="299" href="#299">299</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addMessageListener(<a href="../../../../../org/apache/helix/MessageListener.html">MessageListener</a> listener, String instanceName)
+<a class="jxr_linenumber" name="299" href="#299">299</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addLiveInstanceChangeListener(<a href="../../../../../org/apache/helix/LiveInstanceChangeListener.html">LiveInstanceChangeListener</a> listener) <strong class="jxr_keyword">throws</strong> Exception
<a class="jxr_linenumber" name="300" href="#300">300</a> {
-<a class="jxr_linenumber" name="301" href="#301">301</a> logger.info(<span class="jxr_string">"ClusterManager.addMessageListener() "</span> + instanceName);
-<a class="jxr_linenumber" name="302" href="#302">302</a> checkConnected();
-<a class="jxr_linenumber" name="303" href="#303">303</a> <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().messages(instanceName).getPath();
-<a class="jxr_linenumber" name="304" href="#304">304</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="305" href="#305">305</a> createCallBackHandler(path,
-<a class="jxr_linenumber" name="306" href="#306">306</a> listener,
-<a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="308" href="#308">308</a> EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="309" href="#309">309</a> MESSAGE);
-<a class="jxr_linenumber" name="310" href="#310">310</a> addListener(callbackHandler);
-<a class="jxr_linenumber" name="311" href="#311">311</a> }
-<a class="jxr_linenumber" name="312" href="#312">312</a>
-<a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">void</strong> addControllerMessageListener(<a href="../../../../../org/apache/helix/MessageListener.html">MessageListener</a> listener)
+<a class="jxr_linenumber" name="301" href="#301">301</a> addListener(listener, <strong class="jxr_keyword">new</strong> Builder(_clusterName).liveInstances(), ChangeType.LIVE_INSTANCE,
+<a class="jxr_linenumber" name="302" href="#302">302</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged, EventType.NodeChildrenChanged, EventType.NodeDeleted, EventType.NodeCreated });
+<a class="jxr_linenumber" name="303" href="#303">303</a> }
+<a class="jxr_linenumber" name="304" href="#304">304</a>
+<a class="jxr_linenumber" name="305" href="#305">305</a> @Override
+<a class="jxr_linenumber" name="306" href="#306">306</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addConfigChangeListener(<a href="../../../../../org/apache/helix/ConfigChangeListener.html">ConfigChangeListener</a> listener)
+<a class="jxr_linenumber" name="307" href="#307">307</a> {
+<a class="jxr_linenumber" name="308" href="#308">308</a> addListener(listener, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/PropertyKey.html">Builder</a>(_clusterName).instanceConfigs(), ChangeType.INSTANCE_CONFIG,
+<a class="jxr_linenumber" name="309" href="#309">309</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged });
+<a class="jxr_linenumber" name="310" href="#310">310</a> }
+<a class="jxr_linenumber" name="311" href="#311">311</a>
+<a class="jxr_linenumber" name="312" href="#312">312</a> @Override
+<a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addInstanceConfigChangeListener(<a href="../../../../../org/apache/helix/InstanceConfigChangeListener.html">InstanceConfigChangeListener</a> listener)
<a class="jxr_linenumber" name="314" href="#314">314</a> {
-<a class="jxr_linenumber" name="315" href="#315">315</a> logger.info(<span class="jxr_string">"ClusterManager.addControllerMessageListener()"</span>);
-<a class="jxr_linenumber" name="316" href="#316">316</a> checkConnected();
-<a class="jxr_linenumber" name="317" href="#317">317</a> <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().controllerMessages().getPath();
+<a class="jxr_linenumber" name="315" href="#315">315</a> addListener(listener, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/PropertyKey.html">Builder</a>(_clusterName).instanceConfigs(), ChangeType.INSTANCE_CONFIG,
+<a class="jxr_linenumber" name="316" href="#316">316</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged });
+<a class="jxr_linenumber" name="317" href="#317">317</a> }
<a class="jxr_linenumber" name="318" href="#318">318</a>
-<a class="jxr_linenumber" name="319" href="#319">319</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="320" href="#320">320</a> createCallBackHandler(path,
-<a class="jxr_linenumber" name="321" href="#321">321</a> listener,
-<a class="jxr_linenumber" name="322" href="#322">322</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="323" href="#323">323</a> EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="324" href="#324">324</a> MESSAGES_CONTROLLER);
-<a class="jxr_linenumber" name="325" href="#325">325</a> addListener(callbackHandler);
-<a class="jxr_linenumber" name="326" href="#326">326</a> }
-<a class="jxr_linenumber" name="327" href="#327">327</a>
-<a class="jxr_linenumber" name="328" href="#328">328</a> @Override
-<a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addCurrentStateChangeListener(<a href="../../../../../org/apache/helix/CurrentStateChangeListener.html">CurrentStateChangeListener</a> listener,
-<a class="jxr_linenumber" name="330" href="#330">330</a> String instanceName,
-<a class="jxr_linenumber" name="331" href="#331">331</a> String sessionId)
-<a class="jxr_linenumber" name="332" href="#332">332</a> {
-<a class="jxr_linenumber" name="333" href="#333">333</a> logger.info(<span class="jxr_string">"ClusterManager.addCurrentStateChangeListener() "</span> + instanceName + <span class="jxr_string">" "</span>
-<a class="jxr_linenumber" name="334" href="#334">334</a> + sessionId);
-<a class="jxr_linenumber" name="335" href="#335">335</a> checkConnected();
-<a class="jxr_linenumber" name="336" href="#336">336</a> <strong class="jxr_keyword">final</strong> String path =
-<a class="jxr_linenumber" name="337" href="#337">337</a> _helixAccessor.keyBuilder().currentStates(instanceName, sessionId).getPath();
-<a class="jxr_linenumber" name="338" href="#338">338</a>
-<a class="jxr_linenumber" name="339" href="#339">339</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="340" href="#340">340</a> createCallBackHandler(path,
-<a class="jxr_linenumber" name="341" href="#341">341</a> listener,
-<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="343" href="#343">343</a> EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="344" href="#344">344</a> CURRENT_STATE);
-<a class="jxr_linenumber" name="345" href="#345">345</a> addListener(callbackHandler);
-<a class="jxr_linenumber" name="346" href="#346">346</a> }
-<a class="jxr_linenumber" name="347" href="#347">347</a>
-<a class="jxr_linenumber" name="348" href="#348">348</a> @Override
-<a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addHealthStateChangeListener(<a href="../../../../../org/apache/helix/HealthStateChangeListener.html">HealthStateChangeListener</a> listener,
-<a class="jxr_linenumber" name="350" href="#350">350</a> String instanceName)
-<a class="jxr_linenumber" name="351" href="#351">351</a> {
-<a class="jxr_linenumber" name="352" href="#352">352</a> <em class="jxr_comment">// System.out.println("ZKClusterManager.addHealthStateChangeListener()");</em>
-<a class="jxr_linenumber" name="353" href="#353">353</a> <em class="jxr_comment">// TODO: re-form this for stats checking</em>
-<a class="jxr_linenumber" name="354" href="#354">354</a> logger.info(<span class="jxr_string">"ClusterManager.addHealthStateChangeListener()"</span> + instanceName);
-<a class="jxr_linenumber" name="355" href="#355">355</a> checkConnected();
-<a class="jxr_linenumber" name="356" href="#356">356</a> <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().healthReports(instanceName).getPath();
-<a class="jxr_linenumber" name="357" href="#357">357</a>
-<a class="jxr_linenumber" name="358" href="#358">358</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="359" href="#359">359</a> createCallBackHandler(path, listener, <strong class="jxr_keyword">new</strong> EventType[] {
-<a class="jxr_linenumber" name="360" href="#360">360</a> EventType.NodeChildrenChanged, EventType.NodeDataChanged,
-<a class="jxr_linenumber" name="361" href="#361">361</a> EventType.NodeDeleted, EventType.NodeCreated }, HEALTH);
-<a class="jxr_linenumber" name="362" href="#362">362</a> addListener(callbackHandler);
+<a class="jxr_linenumber" name="319" href="#319">319</a> @Override
+<a class="jxr_linenumber" name="320" href="#320">320</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addConfigChangeListener(<a href="../../../../../org/apache/helix/ScopedConfigChangeListener.html">ScopedConfigChangeListener</a> listener, <a href="../../../../../org/apache/helix/ConfigScope.html">ConfigScopeProperty</a> scope)
+<a class="jxr_linenumber" name="321" href="#321">321</a> {
+<a class="jxr_linenumber" name="322" href="#322">322</a> Builder keyBuilder = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/PropertyKey.html">Builder</a>(_clusterName);
+<a class="jxr_linenumber" name="323" href="#323">323</a>
+<a class="jxr_linenumber" name="324" href="#324">324</a> PropertyKey propertyKey = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="325" href="#325">325</a> <strong class="jxr_keyword">switch</strong>(scope)
+<a class="jxr_linenumber" name="326" href="#326">326</a> {
+<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">case</strong> CLUSTER:
+<a class="jxr_linenumber" name="328" href="#328">328</a> propertyKey = keyBuilder.clusterConfigs();
+<a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="330" href="#330">330</a> <strong class="jxr_keyword">case</strong> PARTICIPANT:
+<a class="jxr_linenumber" name="331" href="#331">331</a> propertyKey = keyBuilder.instanceConfigs();
+<a class="jxr_linenumber" name="332" href="#332">332</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="333" href="#333">333</a> <strong class="jxr_keyword">case</strong> RESOURCE:
+<a class="jxr_linenumber" name="334" href="#334">334</a> propertyKey = keyBuilder.resourceConfigs();
+<a class="jxr_linenumber" name="335" href="#335">335</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="336" href="#336">336</a> <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="337" href="#337">337</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="338" href="#338">338</a> }
+<a class="jxr_linenumber" name="339" href="#339">339</a>
+<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">if</strong> (propertyKey != <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="341" href="#341">341</a> {
+<a class="jxr_linenumber" name="342" href="#342">342</a> addListener(listener, propertyKey, ChangeType.CONFIG,
+<a class="jxr_linenumber" name="343" href="#343">343</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged });
+<a class="jxr_linenumber" name="344" href="#344">344</a> } <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="345" href="#345">345</a> {
+<a class="jxr_linenumber" name="346" href="#346">346</a> logger.error(<span class="jxr_string">"Can't add listener to config scope: "</span> + scope);
+<a class="jxr_linenumber" name="347" href="#347">347</a> }
+<a class="jxr_linenumber" name="348" href="#348">348</a> }
+<a class="jxr_linenumber" name="349" href="#349">349</a>
+<a class="jxr_linenumber" name="350" href="#350">350</a> <em class="jxr_comment">// TODO: Decide if do we still need this since we are exposing</em>
+<a class="jxr_linenumber" name="351" href="#351">351</a> <em class="jxr_comment">// ClusterMessagingService</em>
+<a class="jxr_linenumber" name="352" href="#352">352</a> @Override
+<a class="jxr_linenumber" name="353" href="#353">353</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addMessageListener(<a href="../../../../../org/apache/helix/MessageListener.html">MessageListener</a> listener, String instanceName)
+<a class="jxr_linenumber" name="354" href="#354">354</a> {
+<a class="jxr_linenumber" name="355" href="#355">355</a> addListener(listener, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/PropertyKey.html">Builder</a>(_clusterName).messages(instanceName), ChangeType.MESSAGE,
+<a class="jxr_linenumber" name="356" href="#356">356</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged, EventType.NodeDeleted, EventType.NodeCreated });
+<a class="jxr_linenumber" name="357" href="#357">357</a> }
+<a class="jxr_linenumber" name="358" href="#358">358</a>
+<a class="jxr_linenumber" name="359" href="#359">359</a> <strong class="jxr_keyword">void</strong> addControllerMessageListener(<a href="../../../../../org/apache/helix/MessageListener.html">MessageListener</a> listener)
+<a class="jxr_linenumber" name="360" href="#360">360</a> {
+<a class="jxr_linenumber" name="361" href="#361">361</a> addListener(listener, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/PropertyKey.html">Builder</a>(_clusterName).controllerMessages(), ChangeType.MESSAGES_CONTROLLER,
+<a class="jxr_linenumber" name="362" href="#362">362</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged, EventType.NodeDeleted, EventType.NodeCreated });
<a class="jxr_linenumber" name="363" href="#363">363</a> }
<a class="jxr_linenumber" name="364" href="#364">364</a>
<a class="jxr_linenumber" name="365" href="#365">365</a> @Override
-<a class="jxr_linenumber" name="366" href="#366">366</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addExternalViewChangeListener(<a href="../../../../../org/apache/helix/ExternalViewChangeListener.html">ExternalViewChangeListener</a> listener)
-<a class="jxr_linenumber" name="367" href="#367">367</a> {
-<a class="jxr_linenumber" name="368" href="#368">368</a> logger.info(<span class="jxr_string">"ClusterManager.addExternalViewChangeListener()"</span>);
-<a class="jxr_linenumber" name="369" href="#369">369</a> checkConnected();
-<a class="jxr_linenumber" name="370" href="#370">370</a> <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().externalViews().getPath();
-<a class="jxr_linenumber" name="371" href="#371">371</a>
-<a class="jxr_linenumber" name="372" href="#372">372</a> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="373" href="#373">373</a> createCallBackHandler(path,
-<a class="jxr_linenumber" name="374" href="#374">374</a> listener,
-<a class="jxr_linenumber" name="375" href="#375">375</a> <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged,
-<a class="jxr_linenumber" name="376" href="#376">376</a> EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="377" href="#377">377</a> EXTERNAL_VIEW);
-<a class="jxr_linenumber" name="378" href="#378">378</a> addListener(callbackHandler);
-<a class="jxr_linenumber" name="379" href="#379">379</a> }
-<a class="jxr_linenumber" name="380" href="#380">380</a>
-<a class="jxr_linenumber" name="381" href="#381">381</a> @Override
-<a class="jxr_linenumber" name="382" href="#382">382</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/HelixDataAccessor.html">HelixDataAccessor</a> getHelixDataAccessor()
-<a class="jxr_linenumber" name="383" href="#383">383</a> {
-<a class="jxr_linenumber" name="384" href="#384">384</a> checkConnected();
-<a class="jxr_linenumber" name="385" href="#385">385</a> <strong class="jxr_keyword">return</strong> _helixAccessor;
-<a class="jxr_linenumber" name="386" href="#386">386</a> }
-<a class="jxr_linenumber" name="387" href="#387">387</a>
-<a class="jxr_linenumber" name="388" href="#388">388</a> @Override
-<a class="jxr_linenumber" name="389" href="#389">389</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/ConfigAccessor.html">ConfigAccessor</a> getConfigAccessor()
-<a class="jxr_linenumber" name="390" href="#390">390</a> {
-<a class="jxr_linenumber" name="391" href="#391">391</a> checkConnected();
-<a class="jxr_linenumber" name="392" href="#392">392</a> <strong class="jxr_keyword">return</strong> _configAccessor;
-<a class="jxr_linenumber" name="393" href="#393">393</a> }
-<a class="jxr_linenumber" name="394" href="#394">394</a>
-<a class="jxr_linenumber" name="395" href="#395">395</a> @Override
-<a class="jxr_linenumber" name="396" href="#396">396</a> <strong class="jxr_keyword">public</strong> String getClusterName()
-<a class="jxr_linenumber" name="397" href="#397">397</a> {
-<a class="jxr_linenumber" name="398" href="#398">398</a> <strong class="jxr_keyword">return</strong> _clusterName;
-<a class="jxr_linenumber" name="399" href="#399">399</a> }
-<a class="jxr_linenumber" name="400" href="#400">400</a>
-<a class="jxr_linenumber" name="401" href="#401">401</a> @Override
-<a class="jxr_linenumber" name="402" href="#402">402</a> <strong class="jxr_keyword">public</strong> String getInstanceName()
-<a class="jxr_linenumber" name="403" href="#403">403</a> {
-<a class="jxr_linenumber" name="404" href="#404">404</a> <strong class="jxr_keyword">return</strong> _instanceName;
-<a class="jxr_linenumber" name="405" href="#405">405</a> }
-<a class="jxr_linenumber" name="406" href="#406">406</a>
-<a class="jxr_linenumber" name="407" href="#407">407</a> @Override
-<a class="jxr_linenumber" name="408" href="#408">408</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> connect() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="409" href="#409">409</a> {
-<a class="jxr_linenumber" name="410" href="#410">410</a> logger.info(<span class="jxr_string">"ClusterManager.connect()"</span>);
-<a class="jxr_linenumber" name="411" href="#411">411</a> <strong class="jxr_keyword">if</strong> (_zkStateChangeListener.isConnected())
-<a class="jxr_linenumber" name="412" href="#412">412</a> {
-<a class="jxr_linenumber" name="413" href="#413">413</a> logger.warn(<span class="jxr_string">"Cluster manager "</span> + _clusterName + <span class="jxr_string">" "</span> + _instanceName
-<a class="jxr_linenumber" name="414" href="#414">414</a> + <span class="jxr_string">" already connected"</span>);
-<a class="jxr_linenumber" name="415" href="#415">415</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="416" href="#416">416</a> }
-<a class="jxr_linenumber" name="417" href="#417">417</a>
-<a class="jxr_linenumber" name="418" href="#418">418</a> <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="419" href="#419">419</a> {
-<a class="jxr_linenumber" name="420" href="#420">420</a> createClient(_zkConnectString);
-<a class="jxr_linenumber" name="421" href="#421">421</a> _messagingService.onConnected();
-<a class="jxr_linenumber" name="422" href="#422">422</a> }
-<a class="jxr_linenumber" name="423" href="#423">423</a> <strong class="jxr_keyword">catch</strong> (Exception e)
-<a class="jxr_linenumber" name="424" href="#424">424</a> {
-<a class="jxr_linenumber" name="425" href="#425">425</a> logger.error(e);
-<a class="jxr_linenumber" name="426" href="#426">426</a> disconnect();
-<a class="jxr_linenumber" name="427" href="#427">427</a> <strong class="jxr_keyword">throw</strong> e;
-<a class="jxr_linenumber" name="428" href="#428">428</a> }
-<a class="jxr_linenumber" name="429" href="#429">429</a> }
-<a class="jxr_linenumber" name="430" href="#430">430</a>
-<a class="jxr_linenumber" name="431" href="#431">431</a> @Override
-<a class="jxr_linenumber" name="432" href="#432">432</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> disconnect()
-<a class="jxr_linenumber" name="433" href="#433">433</a> {
-<a class="jxr_linenumber" name="434" href="#434">434</a> <strong class="jxr_keyword">if</strong> (!isConnected())
-<a class="jxr_linenumber" name="435" href="#435">435</a> {
-<a class="jxr_linenumber" name="436" href="#436">436</a> logger.error(<span class="jxr_string">"ClusterManager "</span> + _instanceName + <span class="jxr_string">" already disconnected"</span>);
-<a class="jxr_linenumber" name="437" href="#437">437</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="438" href="#438">438</a> }
-<a class="jxr_linenumber" name="439" href="#439">439</a> disconnectInternal();
-<a class="jxr_linenumber" name="440" href="#440">440</a> }
-<a class="jxr_linenumber" name="441" href="#441">441</a>
[... 1335 lines stripped ...]