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From ol...@apache.org
Subject svn commit: r1412308 [36/42] - in /incubator/helix/site-content: ./ apidocs/assets/ apidocs/reference/ apidocs/reference/org/apache/helix/ apidocs/reference/org/apache/helix/alerts/ apidocs/reference/org/apache/helix/controller/ apidocs/reference/org/a...
Date Wed, 21 Nov 2012 21:30:26 GMT
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=1412308&r1=1412307&r2=1412308&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 Wed Nov 21 21:29:07 2012
@@ -57,1057 +57,1019 @@
 <a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.ConfigScope.ConfigScopeProperty;
 <a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.ControllerChangeListener;
 <a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.CurrentStateChangeListener;
-<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.DataAccessor;
-<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.ExternalViewChangeListener;
-<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HealthStateChangeListener;
-<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixAdmin;
-<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixConstants.ChangeType;
-<a class="jxr_linenumber" name="55" href="#55">55</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixDataAccessor;
-<a class="jxr_linenumber" name="56" href="#56">56</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixException;
-<a class="jxr_linenumber" name="57" href="#57">57</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixManager;
-<a class="jxr_linenumber" name="58" href="#58">58</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixTimerTask;
-<a class="jxr_linenumber" name="59" href="#59">59</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.IdealStateChangeListener;
-<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.Builder;
-<a class="jxr_linenumber" name="65" href="#65">65</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyPathConfig;
-<a class="jxr_linenumber" name="66" href="#66">66</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyType;
-<a class="jxr_linenumber" name="67" href="#67">67</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.ZNRecord;
-<a class="jxr_linenumber" name="68" href="#68">68</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.controller.restlet.ZKPropertyTransferServer;
-<a class="jxr_linenumber" name="69" href="#69">69</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.HealthStatsAggregationTask;
-<a class="jxr_linenumber" name="70" href="#70">70</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.ParticipantHealthReportCollector;
-<a class="jxr_linenumber" name="71" href="#71">71</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.healthcheck.ParticipantHealthReportCollectorImpl;
-<a class="jxr_linenumber" name="72" href="#72">72</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.messaging.DefaultMessagingService;
-<a class="jxr_linenumber" name="73" href="#73">73</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.messaging.handling.MessageHandlerFactory;
-<a class="jxr_linenumber" name="74" href="#74">74</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.CurrentState;
-<a class="jxr_linenumber" name="75" href="#75">75</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.LiveInstance;
-<a class="jxr_linenumber" name="76" href="#76">76</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.Message.MessageType;
-<a class="jxr_linenumber" name="77" href="#77">77</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.StateModelDefinition;
-<a class="jxr_linenumber" name="78" href="#78">78</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.monitoring.ZKPathDataDumpTask;
-<a class="jxr_linenumber" name="79" href="#79">79</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.participant.DistClusterControllerElection;
-<a class="jxr_linenumber" name="80" href="#80">80</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.participant.HelixStateMachineEngine;
-<a class="jxr_linenumber" name="81" href="#81">81</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.participant.StateMachineEngine;
-<a class="jxr_linenumber" name="82" href="#82">82</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.store.PropertyStore;
-<a class="jxr_linenumber" name="83" href="#83">83</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.store.ZNRecordJsonSerializer;
-<a class="jxr_linenumber" name="84" href="#84">84</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.store.zk.ZKPropertyStore;
-<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/ZKDataAccessor.html">ZKDataAccessor</a>                       _accessor;
-<a class="jxr_linenumber" name="103" href="#103">103</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixDataAccessor.html">ZKHelixDataAccessor</a>                  _helixAccessor;
-<a class="jxr_linenumber" name="104" href="#104">104</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/ConfigAccessor.html">ConfigAccessor</a>                       _configAccessor;
-<a class="jxr_linenumber" name="105" href="#105">105</a>   <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>                           _zkClient;
-<a class="jxr_linenumber" name="106" href="#106">106</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List&lt;CallbackHandler&gt;          _handlers;
-<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/manager/zk/ZkStateChangeListener.html">ZkStateChangeListener</a>          _zkStateChangeListener;
-<a class="jxr_linenumber" name="108" href="#108">108</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="109" href="#109">109</a>   <strong class="jxr_keyword">volatile</strong> String                              _sessionId;
-<a class="jxr_linenumber" name="110" href="#110">110</a>   <strong class="jxr_keyword">private</strong> Timer                                _timer;
-<a class="jxr_linenumber" name="111" href="#111">111</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a>                      _leaderElectionHandler;
-<a class="jxr_linenumber" name="112" href="#112">112</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/healthcheck/ParticipantHealthReportCollectorImpl.html">ParticipantHealthReportCollectorImpl</a> _participantHealthCheckInfoCollector;
-<a class="jxr_linenumber" name="113" href="#113">113</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="114" href="#114">114</a>   <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/helix/manager/zk/ZKHelixAdmin.html">ZKHelixAdmin</a>                         _managementTool;
-<a class="jxr_linenumber" name="115" href="#115">115</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String                         _version;
-<a class="jxr_linenumber" name="116" href="#116">116</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="117" href="#117">117</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong>                                  _sessionTimeout;
-<a class="jxr_linenumber" name="118" href="#118">118</a>   <strong class="jxr_keyword">private</strong> PropertyStore&lt;ZNRecord&gt;              _propertyStore;
-<a class="jxr_linenumber" name="119" href="#119">119</a>   <strong class="jxr_keyword">private</strong> ZkHelixPropertyStore&lt;ZNRecord&gt;       _helixPropertyStore;
-<a class="jxr_linenumber" name="120" href="#120">120</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List&lt;HelixTimerTask&gt;           _controllerTimerTasks;
-<a class="jxr_linenumber" name="121" href="#121">121</a>   <strong class="jxr_keyword">private</strong> BaseDataAccessor&lt;ZNRecord&gt;           _baseDataAccessor;
-<a class="jxr_linenumber" name="122" href="#122">122</a>   List&lt;PreConnectCallback&gt;                     _preConnectCallbacks    =
-<a class="jxr_linenumber" name="123" href="#123">123</a>                                                                            <strong class="jxr_keyword">new</strong> LinkedList&lt;PreConnectCallback&gt;();
-<a class="jxr_linenumber" name="124" href="#124">124</a>   <a href="../../../../../org/apache/helix/controller/restlet/ZKPropertyTransferServer.html">ZKPropertyTransferServer</a>                     _transferServer         = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="125" href="#125">125</a> 
-<a class="jxr_linenumber" name="126" href="#126">126</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="127" href="#127">127</a>                         String instanceName,
-<a class="jxr_linenumber" name="128" href="#128">128</a>                         <a href="../../../../../org/apache/helix/InstanceType.html">InstanceType</a> instanceType,
-<a class="jxr_linenumber" name="129" href="#129">129</a>                         String zkConnectString) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="130" href="#130">130</a>   {
-<a class="jxr_linenumber" name="131" href="#131">131</a>     logger.info(<span class="jxr_string">"Create a zk-based cluster manager. clusterName:"</span> + clusterName
-<a class="jxr_linenumber" name="132" href="#132">132</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="133" href="#133">133</a>         + zkConnectString);
-<a class="jxr_linenumber" name="134" href="#134">134</a>     <strong class="jxr_keyword">int</strong> sessionTimeoutInt = -1;
-<a class="jxr_linenumber" name="135" href="#135">135</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="136" href="#136">136</a>     {
-<a class="jxr_linenumber" name="137" href="#137">137</a>       sessionTimeoutInt =
-<a class="jxr_linenumber" name="138" href="#138">138</a>           Integer.parseInt(System.getProperty(<span class="jxr_string">"zk.session.timeout"</span>, <span class="jxr_string">""</span>
-<a class="jxr_linenumber" name="139" href="#139">139</a>               + DEFAULT_SESSION_TIMEOUT));
+<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.ExternalViewChangeListener;
+<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HealthStateChangeListener;
+<a class="jxr_linenumber" name="52" href="#52">52</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixAdmin;
+<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixConstants.ChangeType;
+<a class="jxr_linenumber" name="54" href="#54">54</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixDataAccessor;
+<a class="jxr_linenumber" name="55" href="#55">55</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.HelixException;
+<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&lt;CallbackHandler&gt;          _handlers;
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+<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&lt;ZNRecord&gt;       _helixPropertyStore;
+<a class="jxr_linenumber" name="115" href="#115">115</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List&lt;HelixTimerTask&gt;           _controllerTimerTasks;
+<a class="jxr_linenumber" name="116" href="#116">116</a>   <strong class="jxr_keyword">private</strong> BaseDataAccessor&lt;ZNRecord&gt;           _baseDataAccessor;
+<a class="jxr_linenumber" name="117" href="#117">117</a>   List&lt;PreConnectCallback&gt;                     _preConnectCallbacks    =
+<a class="jxr_linenumber" name="118" href="#118">118</a>                                                                            <strong class="jxr_keyword">new</strong> LinkedList&lt;PreConnectCallback&gt;();
+<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> 
+<a class="jxr_linenumber" name="121" href="#121">121</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="122" href="#122">122</a>                         String instanceName,
+<a class="jxr_linenumber" name="123" href="#123">123</a>                         <a href="../../../../../org/apache/helix/InstanceType.html">InstanceType</a> instanceType,
+<a class="jxr_linenumber" name="124" href="#124">124</a>                         String zkConnectString) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="125" href="#125">125</a>   {
+<a class="jxr_linenumber" name="126" href="#126">126</a>     logger.info(<span class="jxr_string">"Create a zk-based cluster manager. clusterName:"</span> + clusterName
+<a class="jxr_linenumber" name="127" href="#127">127</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="128" href="#128">128</a>         + zkConnectString);
+<a class="jxr_linenumber" name="129" href="#129">129</a>     <strong class="jxr_keyword">int</strong> sessionTimeoutInt = -1;
+<a class="jxr_linenumber" name="130" href="#130">130</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="131" href="#131">131</a>     {
+<a class="jxr_linenumber" name="132" href="#132">132</a>       sessionTimeoutInt =
+<a class="jxr_linenumber" name="133" href="#133">133</a>           Integer.parseInt(System.getProperty(<span class="jxr_string">"zk.session.timeout"</span>, <span class="jxr_string">""</span>
+<a class="jxr_linenumber" name="134" href="#134">134</a>               + DEFAULT_SESSION_TIMEOUT));
+<a class="jxr_linenumber" name="135" href="#135">135</a>     }
+<a class="jxr_linenumber" name="136" href="#136">136</a>     <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
+<a class="jxr_linenumber" name="137" href="#137">137</a>     {
+<a class="jxr_linenumber" name="138" href="#138">138</a>       logger.warn(<span class="jxr_string">"Exception while parsing session timeout: "</span>
+<a class="jxr_linenumber" name="139" href="#139">139</a>           + System.getProperty(<span class="jxr_string">"zk.session.timeout"</span>, <span class="jxr_string">""</span> + DEFAULT_SESSION_TIMEOUT));
 <a class="jxr_linenumber" name="140" href="#140">140</a>     }
-<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">catch</strong> (NumberFormatException e)
+<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">if</strong> (sessionTimeoutInt &gt; 0)
 <a class="jxr_linenumber" name="142" href="#142">142</a>     {
-<a class="jxr_linenumber" name="143" href="#143">143</a>       logger.warn(<span class="jxr_string">"Exception while parsing session timeout: "</span>
-<a class="jxr_linenumber" name="144" href="#144">144</a>           + System.getProperty(<span class="jxr_string">"zk.session.timeout"</span>, <span class="jxr_string">""</span> + DEFAULT_SESSION_TIMEOUT));
-<a class="jxr_linenumber" name="145" href="#145">145</a>     }
-<a class="jxr_linenumber" name="146" href="#146">146</a>     <strong class="jxr_keyword">if</strong> (sessionTimeoutInt &gt; 0)
-<a class="jxr_linenumber" name="147" href="#147">147</a>     {
-<a class="jxr_linenumber" name="148" href="#148">148</a>       _sessionTimeout = sessionTimeoutInt;
-<a class="jxr_linenumber" name="149" href="#149">149</a>     }
-<a class="jxr_linenumber" name="150" href="#150">150</a>     <strong class="jxr_keyword">else</strong>
-<a class="jxr_linenumber" name="151" href="#151">151</a>     {
-<a class="jxr_linenumber" name="152" href="#152">152</a>       _sessionTimeout = DEFAULT_SESSION_TIMEOUT;
-<a class="jxr_linenumber" name="153" href="#153">153</a>     }
-<a class="jxr_linenumber" name="154" href="#154">154</a>     <strong class="jxr_keyword">if</strong> (instanceName == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="155" href="#155">155</a>     {
-<a class="jxr_linenumber" name="156" href="#156">156</a>       <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="157" href="#157">157</a>       {
-<a class="jxr_linenumber" name="158" href="#158">158</a>         instanceName =
-<a class="jxr_linenumber" name="159" href="#159">159</a>             InetAddress.getLocalHost().getCanonicalHostName() + <span class="jxr_string">"-"</span>
-<a class="jxr_linenumber" name="160" href="#160">160</a>                 + instanceType.toString();
-<a class="jxr_linenumber" name="161" href="#161">161</a>       }
-<a class="jxr_linenumber" name="162" href="#162">162</a>       <strong class="jxr_keyword">catch</strong> (UnknownHostException e)
-<a class="jxr_linenumber" name="163" href="#163">163</a>       {
-<a class="jxr_linenumber" name="164" href="#164">164</a>         <em class="jxr_comment">// can ignore it</em>
-<a class="jxr_linenumber" name="165" href="#165">165</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="166" href="#166">166</a>                     e);
-<a class="jxr_linenumber" name="167" href="#167">167</a>         instanceName = <span class="jxr_string">"UNKNOWN"</span>;
-<a class="jxr_linenumber" name="168" href="#168">168</a>       }
-<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>     _clusterName = clusterName;
-<a class="jxr_linenumber" name="172" href="#172">172</a>     _instanceName = instanceName;
-<a class="jxr_linenumber" name="173" href="#173">173</a>     _instanceType = instanceType;
-<a class="jxr_linenumber" name="174" href="#174">174</a>     _zkConnectString = zkConnectString;
-<a class="jxr_linenumber" name="175" href="#175">175</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>);
-<a class="jxr_linenumber" name="176" href="#176">176</a>     _timer = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="177" href="#177">177</a> 
-<a class="jxr_linenumber" name="178" href="#178">178</a>     _handlers = <strong class="jxr_keyword">new</strong> ArrayList&lt;CallbackHandler&gt;();
+<a class="jxr_linenumber" name="143" href="#143">143</a>       _sessionTimeout = sessionTimeoutInt;
+<a class="jxr_linenumber" name="144" href="#144">144</a>     }
+<a class="jxr_linenumber" name="145" href="#145">145</a>     <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="146" href="#146">146</a>     {
+<a class="jxr_linenumber" name="147" href="#147">147</a>       _sessionTimeout = DEFAULT_SESSION_TIMEOUT;
+<a class="jxr_linenumber" name="148" href="#148">148</a>     }
+<a class="jxr_linenumber" name="149" href="#149">149</a>     <strong class="jxr_keyword">if</strong> (instanceName == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="150" href="#150">150</a>     {
+<a class="jxr_linenumber" name="151" href="#151">151</a>       <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="152" href="#152">152</a>       {
+<a class="jxr_linenumber" name="153" href="#153">153</a>         instanceName =
+<a class="jxr_linenumber" name="154" href="#154">154</a>             InetAddress.getLocalHost().getCanonicalHostName() + <span class="jxr_string">"-"</span>
+<a class="jxr_linenumber" name="155" href="#155">155</a>                 + instanceType.toString();
+<a class="jxr_linenumber" name="156" href="#156">156</a>       }
+<a class="jxr_linenumber" name="157" href="#157">157</a>       <strong class="jxr_keyword">catch</strong> (UnknownHostException e)
+<a class="jxr_linenumber" name="158" href="#158">158</a>       {
+<a class="jxr_linenumber" name="159" href="#159">159</a>         <em class="jxr_comment">// can ignore it</em>
+<a class="jxr_linenumber" name="160" href="#160">160</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="161" href="#161">161</a>                     e);
+<a class="jxr_linenumber" name="162" href="#162">162</a>         instanceName = <span class="jxr_string">"UNKNOWN"</span>;
+<a class="jxr_linenumber" name="163" href="#163">163</a>       }
+<a class="jxr_linenumber" name="164" href="#164">164</a>     }
+<a class="jxr_linenumber" name="165" href="#165">165</a> 
+<a class="jxr_linenumber" name="166" href="#166">166</a>     _clusterName = clusterName;
+<a class="jxr_linenumber" name="167" href="#167">167</a>     _instanceName = instanceName;
+<a class="jxr_linenumber" name="168" href="#168">168</a>     _instanceType = instanceType;
+<a class="jxr_linenumber" name="169" href="#169">169</a>     _zkConnectString = zkConnectString;
+<a class="jxr_linenumber" name="170" href="#170">170</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>);
+<a class="jxr_linenumber" name="171" href="#171">171</a>     _timer = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="172" href="#172">172</a> 
+<a class="jxr_linenumber" name="173" href="#173">173</a>     _handlers = <strong class="jxr_keyword">new</strong> ArrayList&lt;CallbackHandler&gt;();
+<a class="jxr_linenumber" name="174" href="#174">174</a> 
+<a class="jxr_linenumber" name="175" href="#175">175</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="176" href="#176">176</a> 
+<a class="jxr_linenumber" name="177" href="#177">177</a>     _version =
+<a class="jxr_linenumber" name="178" href="#178">178</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="179" href="#179">179</a> 
-<a class="jxr_linenumber" name="180" href="#180">180</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="180" href="#180">180</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="181" href="#181">181</a> 
-<a class="jxr_linenumber" name="182" href="#182">182</a>     _version =
-<a class="jxr_linenumber" name="183" href="#183">183</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="184" href="#184">184</a> 
-<a class="jxr_linenumber" name="185" href="#185">185</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="186" href="#186">186</a> 
-<a class="jxr_linenumber" name="187" href="#187">187</a>     <em class="jxr_comment">// add all timer tasks</em>
-<a class="jxr_linenumber" name="188" href="#188">188</a>     _controllerTimerTasks = <strong class="jxr_keyword">new</strong> ArrayList&lt;HelixTimerTask&gt;();
-<a class="jxr_linenumber" name="189" href="#189">189</a>     <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.CONTROLLER)
-<a class="jxr_linenumber" name="190" href="#190">190</a>     {
-<a class="jxr_linenumber" name="191" href="#191">191</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="192" href="#192">192</a>     }
-<a class="jxr_linenumber" name="193" href="#193">193</a>   }
-<a class="jxr_linenumber" name="194" href="#194">194</a> 
-<a class="jxr_linenumber" name="195" href="#195">195</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isInstanceSetup()
-<a class="jxr_linenumber" name="196" href="#196">196</a>   {
-<a class="jxr_linenumber" name="197" href="#197">197</a>     <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.PARTICIPANT
-<a class="jxr_linenumber" name="198" href="#198">198</a>         || _instanceType == InstanceType.CONTROLLER_PARTICIPANT)
-<a class="jxr_linenumber" name="199" href="#199">199</a>     {
-<a class="jxr_linenumber" name="200" href="#200">200</a>       <strong class="jxr_keyword">boolean</strong> isValid =
-<a class="jxr_linenumber" name="201" href="#201">201</a>           _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CONFIGS,
-<a class="jxr_linenumber" name="202" href="#202">202</a>                                                       _clusterName,
-<a class="jxr_linenumber" name="203" href="#203">203</a>                                                       ConfigScopeProperty.PARTICIPANT.toString(),
-<a class="jxr_linenumber" name="204" href="#204">204</a>                                                       _instanceName))
-<a class="jxr_linenumber" name="205" href="#205">205</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.MESSAGES,
-<a class="jxr_linenumber" name="206" href="#206">206</a>                                                              _clusterName,
-<a class="jxr_linenumber" name="207" href="#207">207</a>                                                              _instanceName))
-<a class="jxr_linenumber" name="208" href="#208">208</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CURRENTSTATES,
-<a class="jxr_linenumber" name="209" href="#209">209</a>                                                              _clusterName,
-<a class="jxr_linenumber" name="210" href="#210">210</a>                                                              _instanceName))
-<a class="jxr_linenumber" name="211" href="#211">211</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.STATUSUPDATES,
-<a class="jxr_linenumber" name="212" href="#212">212</a>                                                              _clusterName,
-<a class="jxr_linenumber" name="213" href="#213">213</a>                                                              _instanceName))
-<a class="jxr_linenumber" name="214" href="#214">214</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.ERRORS,
-<a class="jxr_linenumber" name="215" href="#215">215</a>                                                              _clusterName,
-<a class="jxr_linenumber" name="216" href="#216">216</a>                                                              _instanceName));
+<a class="jxr_linenumber" name="182" href="#182">182</a>     <em class="jxr_comment">// add all timer tasks</em>
+<a class="jxr_linenumber" name="183" href="#183">183</a>     _controllerTimerTasks = <strong class="jxr_keyword">new</strong> ArrayList&lt;HelixTimerTask&gt;();
+<a class="jxr_linenumber" name="184" href="#184">184</a>     <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.CONTROLLER)
+<a class="jxr_linenumber" name="185" href="#185">185</a>     {
+<a class="jxr_linenumber" name="186" href="#186">186</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="187" href="#187">187</a>     }
+<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>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isInstanceSetup()
+<a class="jxr_linenumber" name="191" href="#191">191</a>   {
+<a class="jxr_linenumber" name="192" href="#192">192</a>     <strong class="jxr_keyword">if</strong> (_instanceType == InstanceType.PARTICIPANT
+<a class="jxr_linenumber" name="193" href="#193">193</a>         || _instanceType == InstanceType.CONTROLLER_PARTICIPANT)
+<a class="jxr_linenumber" name="194" href="#194">194</a>     {
+<a class="jxr_linenumber" name="195" href="#195">195</a>       <strong class="jxr_keyword">boolean</strong> isValid =
+<a class="jxr_linenumber" name="196" href="#196">196</a>           _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CONFIGS,
+<a class="jxr_linenumber" name="197" href="#197">197</a>                                                       _clusterName,
+<a class="jxr_linenumber" name="198" href="#198">198</a>                                                       ConfigScopeProperty.PARTICIPANT.toString(),
+<a class="jxr_linenumber" name="199" href="#199">199</a>                                                       _instanceName))
+<a class="jxr_linenumber" name="200" href="#200">200</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.MESSAGES,
+<a class="jxr_linenumber" name="201" href="#201">201</a>                                                              _clusterName,
+<a class="jxr_linenumber" name="202" href="#202">202</a>                                                              _instanceName))
+<a class="jxr_linenumber" name="203" href="#203">203</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.CURRENTSTATES,
+<a class="jxr_linenumber" name="204" href="#204">204</a>                                                              _clusterName,
+<a class="jxr_linenumber" name="205" href="#205">205</a>                                                              _instanceName))
+<a class="jxr_linenumber" name="206" href="#206">206</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.STATUSUPDATES,
+<a class="jxr_linenumber" name="207" href="#207">207</a>                                                              _clusterName,
+<a class="jxr_linenumber" name="208" href="#208">208</a>                                                              _instanceName))
+<a class="jxr_linenumber" name="209" href="#209">209</a>               &amp;&amp; _zkClient.exists(PropertyPathConfig.getPath(PropertyType.ERRORS,
+<a class="jxr_linenumber" name="210" href="#210">210</a>                                                              _clusterName,
+<a class="jxr_linenumber" name="211" href="#211">211</a>                                                              _instanceName));
+<a class="jxr_linenumber" name="212" href="#212">212</a> 
+<a class="jxr_linenumber" name="213" href="#213">213</a>       <strong class="jxr_keyword">return</strong> isValid;
+<a class="jxr_linenumber" name="214" href="#214">214</a>     }
+<a class="jxr_linenumber" name="215" href="#215">215</a>     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</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>       <strong class="jxr_keyword">return</strong> isValid;
-<a class="jxr_linenumber" name="219" href="#219">219</a>     }
-<a class="jxr_linenumber" name="220" href="#220">220</a>     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="221" href="#221">221</a>   }
-<a class="jxr_linenumber" name="222" href="#222">222</a> 
-<a class="jxr_linenumber" name="223" href="#223">223</a>   @Override
-<a class="jxr_linenumber" name="224" href="#224">224</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="225" href="#225">225</a>   {
-<a class="jxr_linenumber" name="226" href="#226">226</a>     logger.info(<span class="jxr_string">"ClusterManager.addIdealStateChangeListener()"</span>);
-<a class="jxr_linenumber" name="227" href="#227">227</a>     checkConnected();
-<a class="jxr_linenumber" name="228" href="#228">228</a>     <strong class="jxr_keyword">final</strong> String path =
-<a class="jxr_linenumber" name="229" href="#229">229</a>         PropertyPathConfig.getPath(PropertyType.IDEALSTATES, _clusterName);
-<a class="jxr_linenumber" name="230" href="#230">230</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="231" href="#231">231</a>         createCallBackHandler(path,
-<a class="jxr_linenumber" name="232" href="#232">232</a>                               listener,
-<a class="jxr_linenumber" name="233" href="#233">233</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged,
-<a class="jxr_linenumber" name="234" href="#234">234</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="235" href="#235">235</a>                               IDEAL_STATE);
-<a class="jxr_linenumber" name="236" href="#236">236</a>     addListener(callbackHandler);
-<a class="jxr_linenumber" name="237" href="#237">237</a>   }
-<a class="jxr_linenumber" name="238" href="#238">238</a> 
-<a class="jxr_linenumber" name="239" href="#239">239</a>   @Override
-<a class="jxr_linenumber" name="240" href="#240">240</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="241" href="#241">241</a>   {
-<a class="jxr_linenumber" name="242" href="#242">242</a>     logger.info(<span class="jxr_string">"ClusterManager.addLiveInstanceChangeListener()"</span>);
-<a class="jxr_linenumber" name="243" href="#243">243</a>     checkConnected();
-<a class="jxr_linenumber" name="244" href="#244">244</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().liveInstances().getPath();
-<a class="jxr_linenumber" name="245" href="#245">245</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="246" href="#246">246</a>         createCallBackHandler(path,
-<a class="jxr_linenumber" name="247" href="#247">247</a>                               listener,
-<a class="jxr_linenumber" name="248" href="#248">248</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged, EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="249" href="#249">249</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="250" href="#250">250</a>                               LIVE_INSTANCE);
-<a class="jxr_linenumber" name="251" href="#251">251</a>     addListener(callbackHandler);
-<a class="jxr_linenumber" name="252" href="#252">252</a>   }
-<a class="jxr_linenumber" name="253" href="#253">253</a> 
-<a class="jxr_linenumber" name="254" href="#254">254</a>   @Override
-<a class="jxr_linenumber" name="255" href="#255">255</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="256" href="#256">256</a>   {
-<a class="jxr_linenumber" name="257" href="#257">257</a>     logger.info(<span class="jxr_string">"ClusterManager.addConfigChangeListener()"</span>);
-<a class="jxr_linenumber" name="258" href="#258">258</a>     checkConnected();
-<a class="jxr_linenumber" name="259" href="#259">259</a>     <strong class="jxr_keyword">final</strong> String path =
-<a class="jxr_linenumber" name="260" href="#260">260</a>         PropertyPathConfig.getPath(PropertyType.CONFIGS,
-<a class="jxr_linenumber" name="261" href="#261">261</a>                                    _clusterName,
-<a class="jxr_linenumber" name="262" href="#262">262</a>                                    ConfigScopeProperty.PARTICIPANT.toString());
-<a class="jxr_linenumber" name="263" href="#263">263</a> 
-<a class="jxr_linenumber" name="264" href="#264">264</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="265" href="#265">265</a>         createCallBackHandler(path,
-<a class="jxr_linenumber" name="266" href="#266">266</a>                               listener,
-<a class="jxr_linenumber" name="267" href="#267">267</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged },
-<a class="jxr_linenumber" name="268" href="#268">268</a>                               CONFIG);
-<a class="jxr_linenumber" name="269" href="#269">269</a>     addListener(callbackHandler);
-<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>   <em class="jxr_comment">// TODO: Decide if do we still need this since we are exposing</em>
-<a class="jxr_linenumber" name="274" href="#274">274</a>   <em class="jxr_comment">// ClusterMessagingService</em>
-<a class="jxr_linenumber" name="275" href="#275">275</a>   @Override
-<a class="jxr_linenumber" name="276" href="#276">276</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="277" href="#277">277</a>   {
-<a class="jxr_linenumber" name="278" href="#278">278</a>     logger.info(<span class="jxr_string">"ClusterManager.addMessageListener() "</span> + instanceName);
-<a class="jxr_linenumber" name="279" href="#279">279</a>     checkConnected();
-<a class="jxr_linenumber" name="280" href="#280">280</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().messages(instanceName).getPath();
-<a class="jxr_linenumber" name="281" href="#281">281</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="282" href="#282">282</a>         createCallBackHandler(path,
-<a class="jxr_linenumber" name="283" href="#283">283</a>                               listener,
-<a class="jxr_linenumber" name="284" href="#284">284</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="285" href="#285">285</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="286" href="#286">286</a>                               MESSAGE);
-<a class="jxr_linenumber" name="287" href="#287">287</a>     addListener(callbackHandler);
-<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>   <strong class="jxr_keyword">void</strong> addControllerMessageListener(<a href="../../../../../org/apache/helix/MessageListener.html">MessageListener</a> listener)
-<a class="jxr_linenumber" name="291" href="#291">291</a>   {
-<a class="jxr_linenumber" name="292" href="#292">292</a>     logger.info(<span class="jxr_string">"ClusterManager.addControllerMessageListener()"</span>);
-<a class="jxr_linenumber" name="293" href="#293">293</a>     checkConnected();
-<a class="jxr_linenumber" name="294" href="#294">294</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().controllerMessages().getPath();
-<a class="jxr_linenumber" name="295" href="#295">295</a> 
-<a class="jxr_linenumber" name="296" href="#296">296</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="297" href="#297">297</a>         createCallBackHandler(path,
-<a class="jxr_linenumber" name="298" href="#298">298</a>                               listener,
-<a class="jxr_linenumber" name="299" href="#299">299</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="300" href="#300">300</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="301" href="#301">301</a>                               MESSAGES_CONTROLLER);
-<a class="jxr_linenumber" name="302" href="#302">302</a>     addListener(callbackHandler);
-<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> addCurrentStateChangeListener(<a href="../../../../../org/apache/helix/CurrentStateChangeListener.html">CurrentStateChangeListener</a> listener,
-<a class="jxr_linenumber" name="307" href="#307">307</a>                                             String instanceName,
-<a class="jxr_linenumber" name="308" href="#308">308</a>                                             String sessionId)
-<a class="jxr_linenumber" name="309" href="#309">309</a>   {
-<a class="jxr_linenumber" name="310" href="#310">310</a>     logger.info(<span class="jxr_string">"ClusterManager.addCurrentStateChangeListener() "</span> + instanceName + <span class="jxr_string">" "</span>
-<a class="jxr_linenumber" name="311" href="#311">311</a>         + sessionId);
-<a class="jxr_linenumber" name="312" href="#312">312</a>     checkConnected();
-<a class="jxr_linenumber" name="313" href="#313">313</a>     <strong class="jxr_keyword">final</strong> String path =
-<a class="jxr_linenumber" name="314" href="#314">314</a>         _helixAccessor.keyBuilder().currentStates(instanceName, sessionId).getPath();
-<a class="jxr_linenumber" name="315" href="#315">315</a> 
-<a class="jxr_linenumber" name="316" href="#316">316</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="317" href="#317">317</a>         createCallBackHandler(path,
-<a class="jxr_linenumber" name="318" href="#318">318</a>                               listener,
-<a class="jxr_linenumber" name="319" href="#319">319</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
-<a class="jxr_linenumber" name="320" href="#320">320</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="321" href="#321">321</a>                               CURRENT_STATE);
-<a class="jxr_linenumber" name="322" href="#322">322</a>     addListener(callbackHandler);
-<a class="jxr_linenumber" name="323" href="#323">323</a>   }
-<a class="jxr_linenumber" name="324" href="#324">324</a> 
-<a class="jxr_linenumber" name="325" href="#325">325</a>   @Override
-<a class="jxr_linenumber" name="326" href="#326">326</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="327" href="#327">327</a>                                            String instanceName)
-<a class="jxr_linenumber" name="328" href="#328">328</a>   {
-<a class="jxr_linenumber" name="329" href="#329">329</a>     <em class="jxr_comment">// System.out.println("ZKClusterManager.addHealthStateChangeListener()");</em>
-<a class="jxr_linenumber" name="330" href="#330">330</a>     <em class="jxr_comment">// TODO: re-form this for stats checking</em>
-<a class="jxr_linenumber" name="331" href="#331">331</a>     logger.info(<span class="jxr_string">"ClusterManager.addHealthStateChangeListener()"</span> + instanceName);
-<a class="jxr_linenumber" name="332" href="#332">332</a>     checkConnected();
-<a class="jxr_linenumber" name="333" href="#333">333</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().healthReports(instanceName).getPath();
-<a class="jxr_linenumber" name="334" href="#334">334</a> 
-<a class="jxr_linenumber" name="335" href="#335">335</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="336" href="#336">336</a>         createCallBackHandler(path, listener, <strong class="jxr_keyword">new</strong> EventType[] {
-<a class="jxr_linenumber" name="337" href="#337">337</a>             EventType.NodeChildrenChanged, EventType.NodeDataChanged,
-<a class="jxr_linenumber" name="338" href="#338">338</a>             EventType.NodeDeleted, EventType.NodeCreated }, HEALTH);
-<a class="jxr_linenumber" name="339" href="#339">339</a>     addListener(callbackHandler);
-<a class="jxr_linenumber" name="340" href="#340">340</a>   }
-<a class="jxr_linenumber" name="341" href="#341">341</a> 
-<a class="jxr_linenumber" name="342" href="#342">342</a>   @Override
-<a class="jxr_linenumber" name="343" href="#343">343</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="344" href="#344">344</a>   {
-<a class="jxr_linenumber" name="345" href="#345">345</a>     logger.info(<span class="jxr_string">"ClusterManager.addExternalViewChangeListener()"</span>);
-<a class="jxr_linenumber" name="346" href="#346">346</a>     checkConnected();
-<a class="jxr_linenumber" name="347" href="#347">347</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().externalViews().getPath();
-<a class="jxr_linenumber" name="348" href="#348">348</a> 
-<a class="jxr_linenumber" name="349" href="#349">349</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
-<a class="jxr_linenumber" name="350" href="#350">350</a>         createCallBackHandler(path,
-<a class="jxr_linenumber" name="351" href="#351">351</a>                               listener,
-<a class="jxr_linenumber" name="352" href="#352">352</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged,
-<a class="jxr_linenumber" name="353" href="#353">353</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
-<a class="jxr_linenumber" name="354" href="#354">354</a>                               EXTERNAL_VIEW);
-<a class="jxr_linenumber" name="355" href="#355">355</a>     addListener(callbackHandler);
-<a class="jxr_linenumber" name="356" href="#356">356</a>   }
-<a class="jxr_linenumber" name="357" href="#357">357</a> 
-<a class="jxr_linenumber" name="358" href="#358">358</a>   @Override
-<a class="jxr_linenumber" name="359" href="#359">359</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/DataAccessor.html">DataAccessor</a> getDataAccessor()
-<a class="jxr_linenumber" name="360" href="#360">360</a>   {
-<a class="jxr_linenumber" name="361" href="#361">361</a>     checkConnected();
-<a class="jxr_linenumber" name="362" href="#362">362</a>     <strong class="jxr_keyword">return</strong> _accessor;
-<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> <a href="../../../../../org/apache/helix/HelixDataAccessor.html">HelixDataAccessor</a> getHelixDataAccessor()
-<a class="jxr_linenumber" name="367" href="#367">367</a>   {
-<a class="jxr_linenumber" name="368" href="#368">368</a>     checkConnected();
-<a class="jxr_linenumber" name="369" href="#369">369</a>     <strong class="jxr_keyword">return</strong> _helixAccessor;
-<a class="jxr_linenumber" name="370" href="#370">370</a>   }
-<a class="jxr_linenumber" name="371" href="#371">371</a> 
-<a class="jxr_linenumber" name="372" href="#372">372</a>   @Override
-<a class="jxr_linenumber" name="373" href="#373">373</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/ConfigAccessor.html">ConfigAccessor</a> getConfigAccessor()
-<a class="jxr_linenumber" name="374" href="#374">374</a>   {
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-<a class="jxr_linenumber" name="376" href="#376">376</a>     <strong class="jxr_keyword">return</strong> _configAccessor;
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+<a class="jxr_linenumber" name="219" href="#219">219</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="220" href="#220">220</a>   {
+<a class="jxr_linenumber" name="221" href="#221">221</a>     logger.info(<span class="jxr_string">"ClusterManager.addIdealStateChangeListener()"</span>);
+<a class="jxr_linenumber" name="222" href="#222">222</a>     checkConnected();
+<a class="jxr_linenumber" name="223" href="#223">223</a>     <strong class="jxr_keyword">final</strong> String path =
+<a class="jxr_linenumber" name="224" href="#224">224</a>         PropertyPathConfig.getPath(PropertyType.IDEALSTATES, _clusterName);
+<a class="jxr_linenumber" name="225" href="#225">225</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="226" href="#226">226</a>         createCallBackHandler(path,
+<a class="jxr_linenumber" name="227" href="#227">227</a>                               listener,
+<a class="jxr_linenumber" name="228" href="#228">228</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged,
+<a class="jxr_linenumber" name="229" href="#229">229</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
+<a class="jxr_linenumber" name="230" href="#230">230</a>                               IDEAL_STATE);
+<a class="jxr_linenumber" name="231" href="#231">231</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="232" href="#232">232</a>   }
+<a class="jxr_linenumber" name="233" href="#233">233</a> 
+<a class="jxr_linenumber" name="234" href="#234">234</a>   @Override
+<a class="jxr_linenumber" name="235" href="#235">235</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="236" href="#236">236</a>   {
+<a class="jxr_linenumber" name="237" href="#237">237</a>     logger.info(<span class="jxr_string">"ClusterManager.addLiveInstanceChangeListener()"</span>);
+<a class="jxr_linenumber" name="238" href="#238">238</a>     checkConnected();
+<a class="jxr_linenumber" name="239" href="#239">239</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().liveInstances().getPath();
+<a class="jxr_linenumber" name="240" href="#240">240</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="241" href="#241">241</a>         createCallBackHandler(path,
+<a class="jxr_linenumber" name="242" href="#242">242</a>                               listener,
+<a class="jxr_linenumber" name="243" href="#243">243</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged, EventType.NodeChildrenChanged,
+<a class="jxr_linenumber" name="244" href="#244">244</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
+<a class="jxr_linenumber" name="245" href="#245">245</a>                               LIVE_INSTANCE);
+<a class="jxr_linenumber" name="246" href="#246">246</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="247" href="#247">247</a>   }
+<a class="jxr_linenumber" name="248" href="#248">248</a> 
+<a class="jxr_linenumber" name="249" href="#249">249</a>   @Override
+<a class="jxr_linenumber" name="250" href="#250">250</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="251" href="#251">251</a>   {
+<a class="jxr_linenumber" name="252" href="#252">252</a>     logger.info(<span class="jxr_string">"ClusterManager.addConfigChangeListener()"</span>);
+<a class="jxr_linenumber" name="253" href="#253">253</a>     checkConnected();
+<a class="jxr_linenumber" name="254" href="#254">254</a>     <strong class="jxr_keyword">final</strong> String path =
+<a class="jxr_linenumber" name="255" href="#255">255</a>         PropertyPathConfig.getPath(PropertyType.CONFIGS,
+<a class="jxr_linenumber" name="256" href="#256">256</a>                                    _clusterName,
+<a class="jxr_linenumber" name="257" href="#257">257</a>                                    ConfigScopeProperty.PARTICIPANT.toString());
+<a class="jxr_linenumber" name="258" href="#258">258</a> 
+<a class="jxr_linenumber" name="259" href="#259">259</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="260" href="#260">260</a>         createCallBackHandler(path,
+<a class="jxr_linenumber" name="261" href="#261">261</a>                               listener,
+<a class="jxr_linenumber" name="262" href="#262">262</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged },
+<a class="jxr_linenumber" name="263" href="#263">263</a>                               CONFIG);
+<a class="jxr_linenumber" name="264" href="#264">264</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="265" href="#265">265</a> 
+<a class="jxr_linenumber" name="266" href="#266">266</a>   }
+<a class="jxr_linenumber" name="267" href="#267">267</a> 
+<a class="jxr_linenumber" name="268" href="#268">268</a>   <em class="jxr_comment">// TODO: Decide if do we still need this since we are exposing</em>
+<a class="jxr_linenumber" name="269" href="#269">269</a>   <em class="jxr_comment">// ClusterMessagingService</em>
+<a class="jxr_linenumber" name="270" href="#270">270</a>   @Override
+<a class="jxr_linenumber" name="271" href="#271">271</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="272" href="#272">272</a>   {
+<a class="jxr_linenumber" name="273" href="#273">273</a>     logger.info(<span class="jxr_string">"ClusterManager.addMessageListener() "</span> + instanceName);
+<a class="jxr_linenumber" name="274" href="#274">274</a>     checkConnected();
+<a class="jxr_linenumber" name="275" href="#275">275</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().messages(instanceName).getPath();
+<a class="jxr_linenumber" name="276" href="#276">276</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="277" href="#277">277</a>         createCallBackHandler(path,
+<a class="jxr_linenumber" name="278" href="#278">278</a>                               listener,
+<a class="jxr_linenumber" name="279" href="#279">279</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
+<a class="jxr_linenumber" name="280" href="#280">280</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
+<a class="jxr_linenumber" name="281" href="#281">281</a>                               MESSAGE);
+<a class="jxr_linenumber" name="282" href="#282">282</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="283" href="#283">283</a>   }
+<a class="jxr_linenumber" name="284" href="#284">284</a> 
+<a class="jxr_linenumber" name="285" href="#285">285</a>   <strong class="jxr_keyword">void</strong> addControllerMessageListener(<a href="../../../../../org/apache/helix/MessageListener.html">MessageListener</a> listener)
+<a class="jxr_linenumber" name="286" href="#286">286</a>   {
+<a class="jxr_linenumber" name="287" href="#287">287</a>     logger.info(<span class="jxr_string">"ClusterManager.addControllerMessageListener()"</span>);
+<a class="jxr_linenumber" name="288" href="#288">288</a>     checkConnected();
+<a class="jxr_linenumber" name="289" href="#289">289</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().controllerMessages().getPath();
+<a class="jxr_linenumber" name="290" href="#290">290</a> 
+<a class="jxr_linenumber" name="291" href="#291">291</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="292" href="#292">292</a>         createCallBackHandler(path,
+<a class="jxr_linenumber" name="293" href="#293">293</a>                               listener,
+<a class="jxr_linenumber" name="294" href="#294">294</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
+<a class="jxr_linenumber" name="295" href="#295">295</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
+<a class="jxr_linenumber" name="296" href="#296">296</a>                               MESSAGES_CONTROLLER);
+<a class="jxr_linenumber" name="297" href="#297">297</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="298" href="#298">298</a>   }
+<a class="jxr_linenumber" name="299" href="#299">299</a> 
+<a class="jxr_linenumber" name="300" href="#300">300</a>   @Override
+<a class="jxr_linenumber" name="301" href="#301">301</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="302" href="#302">302</a>                                             String instanceName,
+<a class="jxr_linenumber" name="303" href="#303">303</a>                                             String sessionId)
+<a class="jxr_linenumber" name="304" href="#304">304</a>   {
+<a class="jxr_linenumber" name="305" href="#305">305</a>     logger.info(<span class="jxr_string">"ClusterManager.addCurrentStateChangeListener() "</span> + instanceName + <span class="jxr_string">" "</span>
+<a class="jxr_linenumber" name="306" href="#306">306</a>         + sessionId);
+<a class="jxr_linenumber" name="307" href="#307">307</a>     checkConnected();
+<a class="jxr_linenumber" name="308" href="#308">308</a>     <strong class="jxr_keyword">final</strong> String path =
+<a class="jxr_linenumber" name="309" href="#309">309</a>         _helixAccessor.keyBuilder().currentStates(instanceName, sessionId).getPath();
+<a class="jxr_linenumber" name="310" href="#310">310</a> 
+<a class="jxr_linenumber" name="311" href="#311">311</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="312" href="#312">312</a>         createCallBackHandler(path,
+<a class="jxr_linenumber" name="313" href="#313">313</a>                               listener,
+<a class="jxr_linenumber" name="314" href="#314">314</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeChildrenChanged,
+<a class="jxr_linenumber" name="315" href="#315">315</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
+<a class="jxr_linenumber" name="316" href="#316">316</a>                               CURRENT_STATE);
+<a class="jxr_linenumber" name="317" href="#317">317</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="318" href="#318">318</a>   }
+<a class="jxr_linenumber" name="319" href="#319">319</a> 
+<a class="jxr_linenumber" name="320" href="#320">320</a>   @Override
+<a class="jxr_linenumber" name="321" href="#321">321</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="322" href="#322">322</a>                                            String instanceName)
+<a class="jxr_linenumber" name="323" href="#323">323</a>   {
+<a class="jxr_linenumber" name="324" href="#324">324</a>     <em class="jxr_comment">// System.out.println("ZKClusterManager.addHealthStateChangeListener()");</em>
+<a class="jxr_linenumber" name="325" href="#325">325</a>     <em class="jxr_comment">// TODO: re-form this for stats checking</em>
+<a class="jxr_linenumber" name="326" href="#326">326</a>     logger.info(<span class="jxr_string">"ClusterManager.addHealthStateChangeListener()"</span> + instanceName);
+<a class="jxr_linenumber" name="327" href="#327">327</a>     checkConnected();
+<a class="jxr_linenumber" name="328" href="#328">328</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().healthReports(instanceName).getPath();
+<a class="jxr_linenumber" name="329" href="#329">329</a> 
+<a class="jxr_linenumber" name="330" href="#330">330</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="331" href="#331">331</a>         createCallBackHandler(path, listener, <strong class="jxr_keyword">new</strong> EventType[] {
+<a class="jxr_linenumber" name="332" href="#332">332</a>             EventType.NodeChildrenChanged, EventType.NodeDataChanged,
+<a class="jxr_linenumber" name="333" href="#333">333</a>             EventType.NodeDeleted, EventType.NodeCreated }, HEALTH);
+<a class="jxr_linenumber" name="334" href="#334">334</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="335" href="#335">335</a>   }
+<a class="jxr_linenumber" name="336" href="#336">336</a> 
+<a class="jxr_linenumber" name="337" href="#337">337</a>   @Override
+<a class="jxr_linenumber" name="338" href="#338">338</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="339" href="#339">339</a>   {
+<a class="jxr_linenumber" name="340" href="#340">340</a>     logger.info(<span class="jxr_string">"ClusterManager.addExternalViewChangeListener()"</span>);
+<a class="jxr_linenumber" name="341" href="#341">341</a>     checkConnected();
+<a class="jxr_linenumber" name="342" href="#342">342</a>     <strong class="jxr_keyword">final</strong> String path = _helixAccessor.keyBuilder().externalViews().getPath();
+<a class="jxr_linenumber" name="343" href="#343">343</a> 
+<a class="jxr_linenumber" name="344" href="#344">344</a>     <a href="../../../../../org/apache/helix/manager/zk/CallbackHandler.html">CallbackHandler</a> callbackHandler =
+<a class="jxr_linenumber" name="345" href="#345">345</a>         createCallBackHandler(path,
+<a class="jxr_linenumber" name="346" href="#346">346</a>                               listener,
+<a class="jxr_linenumber" name="347" href="#347">347</a>                               <strong class="jxr_keyword">new</strong> EventType[] { EventType.NodeDataChanged,
+<a class="jxr_linenumber" name="348" href="#348">348</a>                                   EventType.NodeDeleted, EventType.NodeCreated },
+<a class="jxr_linenumber" name="349" href="#349">349</a>                               EXTERNAL_VIEW);
+<a class="jxr_linenumber" name="350" href="#350">350</a>     addListener(callbackHandler);
+<a class="jxr_linenumber" name="351" href="#351">351</a>   }
+<a class="jxr_linenumber" name="352" href="#352">352</a> 
+<a class="jxr_linenumber" name="353" href="#353">353</a>   @Override
+<a class="jxr_linenumber" name="354" href="#354">354</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/HelixDataAccessor.html">HelixDataAccessor</a> getHelixDataAccessor()
+<a class="jxr_linenumber" name="355" href="#355">355</a>   {
+<a class="jxr_linenumber" name="356" href="#356">356</a>     checkConnected();
+<a class="jxr_linenumber" name="357" href="#357">357</a>     <strong class="jxr_keyword">return</strong> _helixAccessor;
+<a class="jxr_linenumber" name="358" href="#358">358</a>   }
+<a class="jxr_linenumber" name="359" href="#359">359</a> 
+<a class="jxr_linenumber" name="360" href="#360">360</a>   @Override
+<a class="jxr_linenumber" name="361" href="#361">361</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/ConfigAccessor.html">ConfigAccessor</a> getConfigAccessor()
+<a class="jxr_linenumber" name="362" href="#362">362</a>   {
+<a class="jxr_linenumber" name="363" href="#363">363</a>     checkConnected();
+<a class="jxr_linenumber" name="364" href="#364">364</a>     <strong class="jxr_keyword">return</strong> _configAccessor;
+<a class="jxr_linenumber" name="365" href="#365">365</a>   }
+<a class="jxr_linenumber" name="366" href="#366">366</a> 
+<a class="jxr_linenumber" name="367" href="#367">367</a>   @Override
+<a class="jxr_linenumber" name="368" href="#368">368</a>   <strong class="jxr_keyword">public</strong> String getClusterName()
+<a class="jxr_linenumber" name="369" href="#369">369</a>   {
+<a class="jxr_linenumber" name="370" href="#370">370</a>     <strong class="jxr_keyword">return</strong> _clusterName;
+<a class="jxr_linenumber" name="371" href="#371">371</a>   }
+<a class="jxr_linenumber" name="372" href="#372">372</a> 
+<a class="jxr_linenumber" name="373" href="#373">373</a>   @Override
+<a class="jxr_linenumber" name="374" href="#374">374</a>   <strong class="jxr_keyword">public</strong> String getInstanceName()
+<a class="jxr_linenumber" name="375" href="#375">375</a>   {
+<a class="jxr_linenumber" name="376" href="#376">376</a>     <strong class="jxr_keyword">return</strong> _instanceName;
 <a class="jxr_linenumber" name="377" href="#377">377</a>   }
 <a class="jxr_linenumber" name="378" href="#378">378</a> 
 <a class="jxr_linenumber" name="379" href="#379">379</a>   @Override
-<a class="jxr_linenumber" name="380" href="#380">380</a>   <strong class="jxr_keyword">public</strong> String getClusterName()
+<a class="jxr_linenumber" name="380" href="#380">380</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="381" href="#381">381</a>   {
-<a class="jxr_linenumber" name="382" href="#382">382</a>     <strong class="jxr_keyword">return</strong> _clusterName;
-<a class="jxr_linenumber" name="383" href="#383">383</a>   }
-<a class="jxr_linenumber" name="384" href="#384">384</a> 
-<a class="jxr_linenumber" name="385" href="#385">385</a>   @Override
-<a class="jxr_linenumber" name="386" href="#386">386</a>   <strong class="jxr_keyword">public</strong> String getInstanceName()
-<a class="jxr_linenumber" name="387" href="#387">387</a>   {
-<a class="jxr_linenumber" name="388" href="#388">388</a>     <strong class="jxr_keyword">return</strong> _instanceName;
-<a class="jxr_linenumber" name="389" href="#389">389</a>   }
-<a class="jxr_linenumber" name="390" href="#390">390</a> 
-<a class="jxr_linenumber" name="391" href="#391">391</a>   @Override
-<a class="jxr_linenumber" name="392" href="#392">392</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="393" href="#393">393</a>   {
-<a class="jxr_linenumber" name="394" href="#394">394</a>     logger.info(<span class="jxr_string">"ClusterManager.connect()"</span>);
-<a class="jxr_linenumber" name="395" href="#395">395</a>     <strong class="jxr_keyword">if</strong> (_zkStateChangeListener.isConnected())
+<a class="jxr_linenumber" name="382" href="#382">382</a>     logger.info(<span class="jxr_string">"ClusterManager.connect()"</span>);
+<a class="jxr_linenumber" name="383" href="#383">383</a>     <strong class="jxr_keyword">if</strong> (_zkStateChangeListener.isConnected())
+<a class="jxr_linenumber" name="384" href="#384">384</a>     {
+<a class="jxr_linenumber" name="385" href="#385">385</a>       logger.warn(<span class="jxr_string">"Cluster manager "</span> + _clusterName + <span class="jxr_string">" "</span> + _instanceName
+<a class="jxr_linenumber" name="386" href="#386">386</a>           + <span class="jxr_string">" already connected"</span>);
+<a class="jxr_linenumber" name="387" href="#387">387</a>       <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="388" href="#388">388</a>     }
+<a class="jxr_linenumber" name="389" href="#389">389</a> 
+<a class="jxr_linenumber" name="390" href="#390">390</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="391" href="#391">391</a>     {
+<a class="jxr_linenumber" name="392" href="#392">392</a>       createClient(_zkConnectString);
+<a class="jxr_linenumber" name="393" href="#393">393</a>       _messagingService.onConnected();
+<a class="jxr_linenumber" name="394" href="#394">394</a>     }
+<a class="jxr_linenumber" name="395" href="#395">395</a>     <strong class="jxr_keyword">catch</strong> (Exception e)
 <a class="jxr_linenumber" name="396" href="#396">396</a>     {
-<a class="jxr_linenumber" name="397" href="#397">397</a>       logger.warn(<span class="jxr_string">"Cluster manager "</span> + _clusterName + <span class="jxr_string">" "</span> + _instanceName
-<a class="jxr_linenumber" name="398" href="#398">398</a>           + <span class="jxr_string">" already connected"</span>);
-<a class="jxr_linenumber" name="399" href="#399">399</a>       <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="397" href="#397">397</a>       logger.error(e);
+<a class="jxr_linenumber" name="398" href="#398">398</a>       disconnect();
+<a class="jxr_linenumber" name="399" href="#399">399</a>       <strong class="jxr_keyword">throw</strong> e;
 <a class="jxr_linenumber" name="400" href="#400">400</a>     }
-<a class="jxr_linenumber" name="401" href="#401">401</a> 

[... 1346 lines stripped ...]


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