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From kisho...@apache.org
Subject svn commit: r1479756 [28/39] - in /incubator/helix/site-content: ./ apidocs/reference/org/apache/helix/ apidocs/reference/org/apache/helix/agent/ apidocs/reference/org/apache/helix/manager/zk/ apidocs/reference/org/apache/helix/messaging/handling/ apid...
Date Tue, 07 May 2013 03:11:00 GMT
Modified: incubator/helix/site-content/xref-test/org/apache/helix/ZkTestHelper.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref-test/org/apache/helix/ZkTestHelper.html?rev=1479756&r1=1479755&r2=1479756&view=diff
==============================================================================
--- incubator/helix/site-content/xref-test/org/apache/helix/ZkTestHelper.html (original)
+++ incubator/helix/site-content/xref-test/org/apache/helix/ZkTestHelper.html Tue May  7 03:10:53 2013
@@ -33,359 +33,400 @@
 <a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.io.InputStreamReader;
 <a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.io.PrintWriter;
 <a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.net.Socket;
-<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
-<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
-<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.util.TreeMap;
-<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.util.TreeSet;
-<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.BlockingQueue;
-<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.CountDownLatch;
-<a class="jxr_linenumber" name="33" href="#33">33</a>  
-<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.IZkStateListener;
-<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.ZkConnection;
-<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.InstanceType;
-<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.ZNRecord;
-<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyKey.Builder;
-<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.CallbackHandler;
-<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZKHelixDataAccessor;
-<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZKHelixManager;
-<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZkBaseDataAccessor;
-<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZkClient;
-<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.ExternalView;
-<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
-<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.WatchedEvent;
-<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher;
-<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.KeeperState;
-<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooKeeper;
-<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooKeeper.States;
-<a class="jxr_linenumber" name="51" href="#51">51</a>  
-<a class="jxr_linenumber" name="52" href="#52">52</a>  
-<a class="jxr_linenumber" name="53" href="#53">53</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../org/apache/helix/ZkTestHelper.html">ZkTestHelper</a>
-<a class="jxr_linenumber" name="54" href="#54">54</a>  {
-<a class="jxr_linenumber" name="55" href="#55">55</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Logger LOG = Logger.getLogger(ZkTestHelper.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="56" href="#56">56</a>  
-<a class="jxr_linenumber" name="57" href="#57">57</a>    <strong class="jxr_keyword">static</strong>
-<a class="jxr_linenumber" name="58" href="#58">58</a>    {
-<a class="jxr_linenumber" name="59" href="#59">59</a>      <em class="jxr_comment">// Logger.getRootLogger().setLevel(Level.DEBUG);</em>
-<a class="jxr_linenumber" name="60" href="#60">60</a>    }
-<a class="jxr_linenumber" name="61" href="#61">61</a>    
-<a class="jxr_linenumber" name="62" href="#62">62</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> disconnectSession(<strong class="jxr_keyword">final</strong> ZkClient zkClient) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="63" href="#63">63</a>    {
-<a class="jxr_linenumber" name="64" href="#64">64</a>      IZkStateListener listener = <strong class="jxr_keyword">new</strong> IZkStateListener()
-<a class="jxr_linenumber" name="65" href="#65">65</a>      {
-<a class="jxr_linenumber" name="66" href="#66">66</a>        @Override
-<a class="jxr_linenumber" name="67" href="#67">67</a>        <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleStateChanged(KeeperState state) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="68" href="#68">68</a>        {
-<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_comment">//         System.err.println("disconnectSession handleStateChanged. state: " + state);</em>
-<a class="jxr_linenumber" name="70" href="#70">70</a>        }
-<a class="jxr_linenumber" name="71" href="#71">71</a>  
-<a class="jxr_linenumber" name="72" href="#72">72</a>        @Override
-<a class="jxr_linenumber" name="73" href="#73">73</a>        <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleNewSession() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="74" href="#74">74</a>        {
-<a class="jxr_linenumber" name="75" href="#75">75</a>          <em class="jxr_comment">// make sure zkclient is connected again</em>
-<a class="jxr_linenumber" name="76" href="#76">76</a>          zkClient.waitUntilConnected();
-<a class="jxr_linenumber" name="77" href="#77">77</a>  
-<a class="jxr_linenumber" name="78" href="#78">78</a>          ZkConnection connection = ((ZkConnection) zkClient.getConnection());
-<a class="jxr_linenumber" name="79" href="#79">79</a>          ZooKeeper curZookeeper = connection.getZookeeper();
-<a class="jxr_linenumber" name="80" href="#80">80</a>  
-<a class="jxr_linenumber" name="81" href="#81">81</a>          LOG.info(<span class="jxr_string">"handleNewSession. sessionId: "</span>
-<a class="jxr_linenumber" name="82" href="#82">82</a>              + Long.toHexString(curZookeeper.getSessionId()));
-<a class="jxr_linenumber" name="83" href="#83">83</a>        }
-<a class="jxr_linenumber" name="84" href="#84">84</a>      };
-<a class="jxr_linenumber" name="85" href="#85">85</a>  
-<a class="jxr_linenumber" name="86" href="#86">86</a>      zkClient.subscribeStateChanges(listener);
-<a class="jxr_linenumber" name="87" href="#87">87</a>      ZkConnection connection = ((ZkConnection) zkClient.getConnection());
-<a class="jxr_linenumber" name="88" href="#88">88</a>      ZooKeeper curZookeeper = connection.getZookeeper();
-<a class="jxr_linenumber" name="89" href="#89">89</a>      LOG.info(<span class="jxr_string">"Before expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
-<a class="jxr_linenumber" name="90" href="#90">90</a>  
-<a class="jxr_linenumber" name="91" href="#91">91</a>      Watcher watcher = <strong class="jxr_keyword">new</strong> Watcher()
-<a class="jxr_linenumber" name="92" href="#92">92</a>      {
-<a class="jxr_linenumber" name="93" href="#93">93</a>        @Override
-<a class="jxr_linenumber" name="94" href="#94">94</a>        <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> process(WatchedEvent event)
-<a class="jxr_linenumber" name="95" href="#95">95</a>        {
-<a class="jxr_linenumber" name="96" href="#96">96</a>          LOG.info(<span class="jxr_string">"Process watchEvent: "</span> + event);
-<a class="jxr_linenumber" name="97" href="#97">97</a>        }
-<a class="jxr_linenumber" name="98" href="#98">98</a>      };
-<a class="jxr_linenumber" name="99" href="#99">99</a>  
-<a class="jxr_linenumber" name="100" href="#100">100</a>     <strong class="jxr_keyword">final</strong> ZooKeeper dupZookeeper =
-<a class="jxr_linenumber" name="101" href="#101">101</a>         <strong class="jxr_keyword">new</strong> ZooKeeper(connection.getServers(),
-<a class="jxr_linenumber" name="102" href="#102">102</a>                       curZookeeper.getSessionTimeout(),
-<a class="jxr_linenumber" name="103" href="#103">103</a>                       watcher,
-<a class="jxr_linenumber" name="104" href="#104">104</a>                       curZookeeper.getSessionId(),
-<a class="jxr_linenumber" name="105" href="#105">105</a>                       curZookeeper.getSessionPasswd());
-<a class="jxr_linenumber" name="106" href="#106">106</a>     <em class="jxr_comment">// wait until connected, then close</em>
-<a class="jxr_linenumber" name="107" href="#107">107</a>     <strong class="jxr_keyword">while</strong> (dupZookeeper.getState() != States.CONNECTED)
-<a class="jxr_linenumber" name="108" href="#108">108</a>     {
-<a class="jxr_linenumber" name="109" href="#109">109</a>       Thread.sleep(10);
-<a class="jxr_linenumber" name="110" href="#110">110</a>     }
-<a class="jxr_linenumber" name="111" href="#111">111</a>     dupZookeeper.close();
-<a class="jxr_linenumber" name="112" href="#112">112</a> 
-<a class="jxr_linenumber" name="113" href="#113">113</a>     connection = (ZkConnection) zkClient.getConnection();
-<a class="jxr_linenumber" name="114" href="#114">114</a>     curZookeeper = connection.getZookeeper();
-<a class="jxr_linenumber" name="115" href="#115">115</a>     zkClient.unsubscribeStateChanges(listener);
-<a class="jxr_linenumber" name="116" href="#116">116</a> 
-<a class="jxr_linenumber" name="117" href="#117">117</a>     <em class="jxr_comment">// System.err.println("zk: " + oldZookeeper);</em>
-<a class="jxr_linenumber" name="118" href="#118">118</a>     LOG.info(<span class="jxr_string">"After expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
-<a class="jxr_linenumber" name="119" href="#119">119</a>   }
-<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> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> expireSession(<strong class="jxr_keyword">final</strong> ZkClient zkClient) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="122" href="#122">122</a>   {
-<a class="jxr_linenumber" name="123" href="#123">123</a>     <strong class="jxr_keyword">final</strong> CountDownLatch waitExpire = <strong class="jxr_keyword">new</strong> CountDownLatch(1);
-<a class="jxr_linenumber" name="124" href="#124">124</a> 
-<a class="jxr_linenumber" name="125" href="#125">125</a>     IZkStateListener listener = <strong class="jxr_keyword">new</strong> IZkStateListener()
-<a class="jxr_linenumber" name="126" href="#126">126</a>     {
-<a class="jxr_linenumber" name="127" href="#127">127</a>       @Override
-<a class="jxr_linenumber" name="128" href="#128">128</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleStateChanged(KeeperState state) <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> <em class="jxr_comment">//         System.err.println("handleStateChanged. state: " + state);</em>
-<a class="jxr_linenumber" name="131" href="#131">131</a>       }
-<a class="jxr_linenumber" name="132" href="#132">132</a> 
-<a class="jxr_linenumber" name="133" href="#133">133</a>       @Override
-<a class="jxr_linenumber" name="134" href="#134">134</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleNewSession() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="135" href="#135">135</a>       {
-<a class="jxr_linenumber" name="136" href="#136">136</a>         <em class="jxr_comment">// make sure zkclient is connected again</em>
-<a class="jxr_linenumber" name="137" href="#137">137</a>         zkClient.waitUntilConnected();
-<a class="jxr_linenumber" name="138" href="#138">138</a> 
-<a class="jxr_linenumber" name="139" href="#139">139</a>         ZkConnection connection = ((ZkConnection) zkClient.getConnection());
-<a class="jxr_linenumber" name="140" href="#140">140</a>         ZooKeeper curZookeeper = connection.getZookeeper();
-<a class="jxr_linenumber" name="141" href="#141">141</a> 
-<a class="jxr_linenumber" name="142" href="#142">142</a>         LOG.info(<span class="jxr_string">"handleNewSession. sessionId: "</span>
-<a class="jxr_linenumber" name="143" href="#143">143</a>             + Long.toHexString(curZookeeper.getSessionId()));
-<a class="jxr_linenumber" name="144" href="#144">144</a>         waitExpire.countDown();
-<a class="jxr_linenumber" name="145" href="#145">145</a>       }
-<a class="jxr_linenumber" name="146" href="#146">146</a>     };
+<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.*;
+<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.BlockingQueue;
+<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.CountDownLatch;
+<a class="jxr_linenumber" name="29" href="#29">29</a>  
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.IZkChildListener;
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.IZkDataListener;
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.IZkStateListener;
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.I0Itec.zkclient.ZkConnection;
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.InstanceType;
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.ZNRecord;
+<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.PropertyKey.Builder;
+<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.CallbackHandler;
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZKHelixDataAccessor;
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZKHelixManager;
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZkBaseDataAccessor;
+<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.manager.zk.ZkClient;
+<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> org.apache.helix.model.ExternalView;
+<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
+<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.WatchedEvent;
+<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher;
+<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.Watcher.Event.KeeperState;
+<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooKeeper;
+<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.ZooKeeper.States;
+<a class="jxr_linenumber" name="49" href="#49">49</a>  
+<a class="jxr_linenumber" name="50" href="#50">50</a>  
+<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../org/apache/helix/ZkTestHelper.html">ZkTestHelper</a>
+<a class="jxr_linenumber" name="52" href="#52">52</a>  {
+<a class="jxr_linenumber" name="53" href="#53">53</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Logger LOG = Logger.getLogger(ZkTestHelper.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="54" href="#54">54</a>  
+<a class="jxr_linenumber" name="55" href="#55">55</a>    <strong class="jxr_keyword">static</strong>
+<a class="jxr_linenumber" name="56" href="#56">56</a>    {
+<a class="jxr_linenumber" name="57" href="#57">57</a>      <em class="jxr_comment">// Logger.getRootLogger().setLevel(Level.DEBUG);</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a>    }
+<a class="jxr_linenumber" name="59" href="#59">59</a>    
+<a class="jxr_linenumber" name="60" href="#60">60</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> disconnectSession(<strong class="jxr_keyword">final</strong> ZkClient zkClient) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="61" href="#61">61</a>    {
+<a class="jxr_linenumber" name="62" href="#62">62</a>      IZkStateListener listener = <strong class="jxr_keyword">new</strong> IZkStateListener()
+<a class="jxr_linenumber" name="63" href="#63">63</a>      {
+<a class="jxr_linenumber" name="64" href="#64">64</a>        @Override
+<a class="jxr_linenumber" name="65" href="#65">65</a>        <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleStateChanged(KeeperState state) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="66" href="#66">66</a>        {
+<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_comment">//         System.err.println("disconnectSession handleStateChanged. state: " + state);</em>
+<a class="jxr_linenumber" name="68" href="#68">68</a>        }
+<a class="jxr_linenumber" name="69" href="#69">69</a>  
+<a class="jxr_linenumber" name="70" href="#70">70</a>        @Override
+<a class="jxr_linenumber" name="71" href="#71">71</a>        <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleNewSession() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="72" href="#72">72</a>        {
+<a class="jxr_linenumber" name="73" href="#73">73</a>          <em class="jxr_comment">// make sure zkclient is connected again</em>
+<a class="jxr_linenumber" name="74" href="#74">74</a>          zkClient.waitUntilConnected();
+<a class="jxr_linenumber" name="75" href="#75">75</a>  
+<a class="jxr_linenumber" name="76" href="#76">76</a>          ZkConnection connection = ((ZkConnection) zkClient.getConnection());
+<a class="jxr_linenumber" name="77" href="#77">77</a>          ZooKeeper curZookeeper = connection.getZookeeper();
+<a class="jxr_linenumber" name="78" href="#78">78</a>  
+<a class="jxr_linenumber" name="79" href="#79">79</a>          LOG.info(<span class="jxr_string">"handleNewSession. sessionId: "</span>
+<a class="jxr_linenumber" name="80" href="#80">80</a>              + Long.toHexString(curZookeeper.getSessionId()));
+<a class="jxr_linenumber" name="81" href="#81">81</a>        }
+<a class="jxr_linenumber" name="82" href="#82">82</a>      };
+<a class="jxr_linenumber" name="83" href="#83">83</a>  
+<a class="jxr_linenumber" name="84" href="#84">84</a>      zkClient.subscribeStateChanges(listener);
+<a class="jxr_linenumber" name="85" href="#85">85</a>      ZkConnection connection = ((ZkConnection) zkClient.getConnection());
+<a class="jxr_linenumber" name="86" href="#86">86</a>      ZooKeeper curZookeeper = connection.getZookeeper();
+<a class="jxr_linenumber" name="87" href="#87">87</a>      LOG.info(<span class="jxr_string">"Before expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
+<a class="jxr_linenumber" name="88" href="#88">88</a>  
+<a class="jxr_linenumber" name="89" href="#89">89</a>      Watcher watcher = <strong class="jxr_keyword">new</strong> Watcher()
+<a class="jxr_linenumber" name="90" href="#90">90</a>      {
+<a class="jxr_linenumber" name="91" href="#91">91</a>        @Override
+<a class="jxr_linenumber" name="92" href="#92">92</a>        <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> process(WatchedEvent event)
+<a class="jxr_linenumber" name="93" href="#93">93</a>        {
+<a class="jxr_linenumber" name="94" href="#94">94</a>          LOG.info(<span class="jxr_string">"Process watchEvent: "</span> + event);
+<a class="jxr_linenumber" name="95" href="#95">95</a>        }
+<a class="jxr_linenumber" name="96" href="#96">96</a>      };
+<a class="jxr_linenumber" name="97" href="#97">97</a>  
+<a class="jxr_linenumber" name="98" href="#98">98</a>      <strong class="jxr_keyword">final</strong> ZooKeeper dupZookeeper =
+<a class="jxr_linenumber" name="99" href="#99">99</a>          <strong class="jxr_keyword">new</strong> ZooKeeper(connection.getServers(),
+<a class="jxr_linenumber" name="100" href="#100">100</a>                       curZookeeper.getSessionTimeout(),
+<a class="jxr_linenumber" name="101" href="#101">101</a>                       watcher,
+<a class="jxr_linenumber" name="102" href="#102">102</a>                       curZookeeper.getSessionId(),
+<a class="jxr_linenumber" name="103" href="#103">103</a>                       curZookeeper.getSessionPasswd());
+<a class="jxr_linenumber" name="104" href="#104">104</a>     <em class="jxr_comment">// wait until connected, then close</em>
+<a class="jxr_linenumber" name="105" href="#105">105</a>     <strong class="jxr_keyword">while</strong> (dupZookeeper.getState() != States.CONNECTED)
+<a class="jxr_linenumber" name="106" href="#106">106</a>     {
+<a class="jxr_linenumber" name="107" href="#107">107</a>       Thread.sleep(10);
+<a class="jxr_linenumber" name="108" href="#108">108</a>     }
+<a class="jxr_linenumber" name="109" href="#109">109</a>     dupZookeeper.close();
+<a class="jxr_linenumber" name="110" href="#110">110</a> 
+<a class="jxr_linenumber" name="111" href="#111">111</a>     connection = (ZkConnection) zkClient.getConnection();
+<a class="jxr_linenumber" name="112" href="#112">112</a>     curZookeeper = connection.getZookeeper();
+<a class="jxr_linenumber" name="113" href="#113">113</a>     zkClient.unsubscribeStateChanges(listener);
+<a class="jxr_linenumber" name="114" href="#114">114</a> 
+<a class="jxr_linenumber" name="115" href="#115">115</a>     <em class="jxr_comment">// System.err.println("zk: " + oldZookeeper);</em>
+<a class="jxr_linenumber" name="116" href="#116">116</a>     LOG.info(<span class="jxr_string">"After expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
+<a class="jxr_linenumber" name="117" href="#117">117</a>   }
+<a class="jxr_linenumber" name="118" href="#118">118</a> 
+<a class="jxr_linenumber" name="119" href="#119">119</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> expireSession(<strong class="jxr_keyword">final</strong> ZkClient zkClient) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="120" href="#120">120</a>   {
+<a class="jxr_linenumber" name="121" href="#121">121</a>     <strong class="jxr_keyword">final</strong> CountDownLatch waitExpire = <strong class="jxr_keyword">new</strong> CountDownLatch(1);
+<a class="jxr_linenumber" name="122" href="#122">122</a> 
+<a class="jxr_linenumber" name="123" href="#123">123</a>     IZkStateListener listener = <strong class="jxr_keyword">new</strong> IZkStateListener()
+<a class="jxr_linenumber" name="124" href="#124">124</a>     {
+<a class="jxr_linenumber" name="125" href="#125">125</a>       @Override
+<a class="jxr_linenumber" name="126" href="#126">126</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleStateChanged(KeeperState state) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="127" href="#127">127</a>       {
+<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_comment">//         System.err.println("handleStateChanged. state: " + state);</em>
+<a class="jxr_linenumber" name="129" href="#129">129</a>       }
+<a class="jxr_linenumber" name="130" href="#130">130</a> 
+<a class="jxr_linenumber" name="131" href="#131">131</a>       @Override
+<a class="jxr_linenumber" name="132" href="#132">132</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleNewSession() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="133" href="#133">133</a>       {
+<a class="jxr_linenumber" name="134" href="#134">134</a>         <em class="jxr_comment">// make sure zkclient is connected again</em>
+<a class="jxr_linenumber" name="135" href="#135">135</a>         zkClient.waitUntilConnected();
+<a class="jxr_linenumber" name="136" href="#136">136</a> 
+<a class="jxr_linenumber" name="137" href="#137">137</a>         ZkConnection connection = ((ZkConnection) zkClient.getConnection());
+<a class="jxr_linenumber" name="138" href="#138">138</a>         ZooKeeper curZookeeper = connection.getZookeeper();
+<a class="jxr_linenumber" name="139" href="#139">139</a> 
+<a class="jxr_linenumber" name="140" href="#140">140</a>         LOG.info(<span class="jxr_string">"handleNewSession. sessionId: "</span>
+<a class="jxr_linenumber" name="141" href="#141">141</a>             + Long.toHexString(curZookeeper.getSessionId()));
+<a class="jxr_linenumber" name="142" href="#142">142</a>         waitExpire.countDown();
+<a class="jxr_linenumber" name="143" href="#143">143</a>       }
+<a class="jxr_linenumber" name="144" href="#144">144</a>     };
+<a class="jxr_linenumber" name="145" href="#145">145</a> 
+<a class="jxr_linenumber" name="146" href="#146">146</a>     zkClient.subscribeStateChanges(listener);
 <a class="jxr_linenumber" name="147" href="#147">147</a> 
-<a class="jxr_linenumber" name="148" href="#148">148</a>     zkClient.subscribeStateChanges(listener);
-<a class="jxr_linenumber" name="149" href="#149">149</a> 
-<a class="jxr_linenumber" name="150" href="#150">150</a>     ZkConnection connection = ((ZkConnection) zkClient.getConnection());
-<a class="jxr_linenumber" name="151" href="#151">151</a>     ZooKeeper curZookeeper = connection.getZookeeper();
-<a class="jxr_linenumber" name="152" href="#152">152</a>     LOG.info(<span class="jxr_string">"Before expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
-<a class="jxr_linenumber" name="153" href="#153">153</a> 
-<a class="jxr_linenumber" name="154" href="#154">154</a>     Watcher watcher = <strong class="jxr_keyword">new</strong> Watcher()
-<a class="jxr_linenumber" name="155" href="#155">155</a>     {
-<a class="jxr_linenumber" name="156" href="#156">156</a>       @Override
-<a class="jxr_linenumber" name="157" href="#157">157</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> process(WatchedEvent event)
-<a class="jxr_linenumber" name="158" href="#158">158</a>       {
-<a class="jxr_linenumber" name="159" href="#159">159</a>         LOG.info(<span class="jxr_string">"Process watchEvent: "</span> + event);
-<a class="jxr_linenumber" name="160" href="#160">160</a>       }
-<a class="jxr_linenumber" name="161" href="#161">161</a>     };
-<a class="jxr_linenumber" name="162" href="#162">162</a> 
-<a class="jxr_linenumber" name="163" href="#163">163</a>     <strong class="jxr_keyword">final</strong> ZooKeeper dupZookeeper =
-<a class="jxr_linenumber" name="164" href="#164">164</a>         <strong class="jxr_keyword">new</strong> ZooKeeper(connection.getServers(),
-<a class="jxr_linenumber" name="165" href="#165">165</a>                       curZookeeper.getSessionTimeout(),
-<a class="jxr_linenumber" name="166" href="#166">166</a>                       watcher,
-<a class="jxr_linenumber" name="167" href="#167">167</a>                       curZookeeper.getSessionId(),
-<a class="jxr_linenumber" name="168" href="#168">168</a>                       curZookeeper.getSessionPasswd());
-<a class="jxr_linenumber" name="169" href="#169">169</a>     <em class="jxr_comment">// wait until connected, then close</em>
-<a class="jxr_linenumber" name="170" href="#170">170</a>     <strong class="jxr_keyword">while</strong> (dupZookeeper.getState() != States.CONNECTED)
-<a class="jxr_linenumber" name="171" href="#171">171</a>     {
-<a class="jxr_linenumber" name="172" href="#172">172</a>       Thread.sleep(10);
-<a class="jxr_linenumber" name="173" href="#173">173</a>     }
-<a class="jxr_linenumber" name="174" href="#174">174</a>     dupZookeeper.close();
-<a class="jxr_linenumber" name="175" href="#175">175</a> 
-<a class="jxr_linenumber" name="176" href="#176">176</a>     <em class="jxr_comment">// make sure session expiry really happens</em>
-<a class="jxr_linenumber" name="177" href="#177">177</a>     waitExpire.await();
-<a class="jxr_linenumber" name="178" href="#178">178</a>     zkClient.unsubscribeStateChanges(listener);
-<a class="jxr_linenumber" name="179" href="#179">179</a> 
-<a class="jxr_linenumber" name="180" href="#180">180</a>     connection = (ZkConnection) zkClient.getConnection();
-<a class="jxr_linenumber" name="181" href="#181">181</a>     curZookeeper = connection.getZookeeper();
-<a class="jxr_linenumber" name="182" href="#182">182</a> 
-<a class="jxr_linenumber" name="183" href="#183">183</a>     <em class="jxr_comment">// System.err.println("zk: " + oldZookeeper);</em>
-<a class="jxr_linenumber" name="184" href="#184">184</a>     LOG.info(<span class="jxr_string">"After expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
-<a class="jxr_linenumber" name="185" href="#185">185</a>   }
-<a class="jxr_linenumber" name="186" href="#186">186</a> 
-<a class="jxr_linenumber" name="187" href="#187">187</a>   <em class="jxr_comment">/*</em>
-<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_comment">   * stateMap: partition-&gt;instance-&gt;state</em>
-<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_comment">   */</em>
-<a class="jxr_linenumber" name="190" href="#190">190</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> verifyState(ZkClient zkclient,
-<a class="jxr_linenumber" name="191" href="#191">191</a>                                     String clusterName,
-<a class="jxr_linenumber" name="192" href="#192">192</a>                                     String resourceName,
-<a class="jxr_linenumber" name="193" href="#193">193</a>                                     Map&lt;String, Map&lt;String, String&gt;&gt; expectStateMap,
-<a class="jxr_linenumber" name="194" href="#194">194</a>                                     String op)
-<a class="jxr_linenumber" name="195" href="#195">195</a>   {
-<a class="jxr_linenumber" name="196" href="#196">196</a>     <strong class="jxr_keyword">boolean</strong> result = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="197" href="#197">197</a>     ZkBaseDataAccessor&lt;ZNRecord&gt; baseAccessor =
-<a class="jxr_linenumber" name="198" href="#198">198</a>         <strong class="jxr_keyword">new</strong> ZkBaseDataAccessor&lt;ZNRecord&gt;(zkclient);
-<a class="jxr_linenumber" name="199" href="#199">199</a>     ZKHelixDataAccessor accessor = <strong class="jxr_keyword">new</strong> ZKHelixDataAccessor(clusterName, baseAccessor);
-<a class="jxr_linenumber" name="200" href="#200">200</a>     Builder keyBuilder = accessor.keyBuilder();
-<a class="jxr_linenumber" name="201" href="#201">201</a> 
-<a class="jxr_linenumber" name="202" href="#202">202</a>     ExternalView extView = accessor.getProperty(keyBuilder.externalView(resourceName));
-<a class="jxr_linenumber" name="203" href="#203">203</a>     Map&lt;String, Map&lt;String, String&gt;&gt; actualStateMap = extView.getRecord().getMapFields();
-<a class="jxr_linenumber" name="204" href="#204">204</a>     <strong class="jxr_keyword">for</strong> (String partition : actualStateMap.keySet())
-<a class="jxr_linenumber" name="205" href="#205">205</a>     {
-<a class="jxr_linenumber" name="206" href="#206">206</a>       <strong class="jxr_keyword">for</strong> (String expectPartiton : expectStateMap.keySet())
-<a class="jxr_linenumber" name="207" href="#207">207</a>       {
-<a class="jxr_linenumber" name="208" href="#208">208</a>         <strong class="jxr_keyword">if</strong> (!partition.matches(expectPartiton))
-<a class="jxr_linenumber" name="209" href="#209">209</a>         {
-<a class="jxr_linenumber" name="210" href="#210">210</a>           <strong class="jxr_keyword">continue</strong>;
-<a class="jxr_linenumber" name="211" href="#211">211</a>         }
-<a class="jxr_linenumber" name="212" href="#212">212</a> 
-<a class="jxr_linenumber" name="213" href="#213">213</a>         Map&lt;String, String&gt; actualInstanceStateMap = actualStateMap.get(partition);
-<a class="jxr_linenumber" name="214" href="#214">214</a>         Map&lt;String, String&gt; expectInstanceStateMap = expectStateMap.get(expectPartiton);
-<a class="jxr_linenumber" name="215" href="#215">215</a>         <strong class="jxr_keyword">for</strong> (String instance : actualInstanceStateMap.keySet())
-<a class="jxr_linenumber" name="216" href="#216">216</a>         {
-<a class="jxr_linenumber" name="217" href="#217">217</a>           <strong class="jxr_keyword">for</strong> (String expectInstance : expectStateMap.get(expectPartiton).keySet())
-<a class="jxr_linenumber" name="218" href="#218">218</a>           {
-<a class="jxr_linenumber" name="219" href="#219">219</a>             <strong class="jxr_keyword">if</strong> (!instance.matches(expectInstance))
-<a class="jxr_linenumber" name="220" href="#220">220</a>             {
-<a class="jxr_linenumber" name="221" href="#221">221</a>               <strong class="jxr_keyword">continue</strong>;
-<a class="jxr_linenumber" name="222" href="#222">222</a>             }
-<a class="jxr_linenumber" name="223" href="#223">223</a> 
-<a class="jxr_linenumber" name="224" href="#224">224</a>             String actualState = actualInstanceStateMap.get(instance);
-<a class="jxr_linenumber" name="225" href="#225">225</a>             String expectState = expectInstanceStateMap.get(expectInstance);
-<a class="jxr_linenumber" name="226" href="#226">226</a>             <strong class="jxr_keyword">boolean</strong> equals = expectState.equals(actualState);
-<a class="jxr_linenumber" name="227" href="#227">227</a>             <strong class="jxr_keyword">if</strong> (op.equals(<span class="jxr_string">"=="</span>) &amp;&amp; !equals || op.equals(<span class="jxr_string">"!="</span>) &amp;&amp; equals)
-<a class="jxr_linenumber" name="228" href="#228">228</a>             {
-<a class="jxr_linenumber" name="229" href="#229">229</a>               System.out.println(partition + <span class="jxr_string">"/"</span> + instance
-<a class="jxr_linenumber" name="230" href="#230">230</a>                   + <span class="jxr_string">" state mismatch. actual state: "</span> + actualState + <span class="jxr_string">", but expect: "</span>
-<a class="jxr_linenumber" name="231" href="#231">231</a>                   + expectState + <span class="jxr_string">", op: "</span> + op);
-<a class="jxr_linenumber" name="232" href="#232">232</a>               result = false;
-<a class="jxr_linenumber" name="233" href="#233">233</a>             }
-<a class="jxr_linenumber" name="234" href="#234">234</a>           }
-<a class="jxr_linenumber" name="235" href="#235">235</a>         }
-<a class="jxr_linenumber" name="236" href="#236">236</a>       }
-<a class="jxr_linenumber" name="237" href="#237">237</a>     }
-<a class="jxr_linenumber" name="238" href="#238">238</a>     <strong class="jxr_keyword">return</strong> result;
-<a class="jxr_linenumber" name="239" href="#239">239</a>   }
-<a class="jxr_linenumber" name="240" href="#240">240</a>   
-<a class="jxr_linenumber" name="241" href="#241">241</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">   * return the number of listeners on given zk-path</em>
-<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">   * @param zkAddr</em>
-<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">   * @param path</em>
-<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">   * @return</em>
-<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">   * @throws Exception</em>
-<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="248" href="#248">248</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> numberOfListeners(String zkAddr, String path) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="249" href="#249">249</a>   {
-<a class="jxr_linenumber" name="250" href="#250">250</a> 	  Map&lt;String, Set&lt;String&gt;&gt; listenerMap = getListenersByZkPath(zkAddr);
-<a class="jxr_linenumber" name="251" href="#251">251</a> 	  <strong class="jxr_keyword">if</strong> (listenerMap.containsKey(path)) {
-<a class="jxr_linenumber" name="252" href="#252">252</a> 		  <strong class="jxr_keyword">return</strong> listenerMap.get(path).size();
-<a class="jxr_linenumber" name="253" href="#253">253</a> 	  }
-<a class="jxr_linenumber" name="254" href="#254">254</a> 	  <strong class="jxr_keyword">return</strong> 0;
-<a class="jxr_linenumber" name="255" href="#255">255</a>   }
-<a class="jxr_linenumber" name="256" href="#256">256</a>   
-<a class="jxr_linenumber" name="257" href="#257">257</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment">   * return a map from zk-path to a set of zk-session-id that put watches on the zk-path</em>
-<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">   * </em>
-<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment">   * @param zkAddr</em>
-<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment">   * @return</em>
-<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_javadoccomment">   * @throws Exception</em>
-<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="264" href="#264">264</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map&lt;String, Set&lt;String&gt;&gt; getListenersByZkPath(String zkAddr) <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="265" href="#265">265</a>   {
-<a class="jxr_linenumber" name="266" href="#266">266</a>     String splits[] = zkAddr.split(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="267" href="#267">267</a>     Map&lt;String, Set&lt;String&gt;&gt; listenerMap = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Set&lt;String&gt;&gt;();
-<a class="jxr_linenumber" name="268" href="#268">268</a>     Socket sock = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="269" href="#269">269</a>     <strong class="jxr_keyword">int</strong> retry = 5;
-<a class="jxr_linenumber" name="270" href="#270">270</a>     
-<a class="jxr_linenumber" name="271" href="#271">271</a>     <strong class="jxr_keyword">while</strong> (retry &gt; 0) {
-<a class="jxr_linenumber" name="272" href="#272">272</a>       <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="273" href="#273">273</a>         sock = <strong class="jxr_keyword">new</strong> Socket(splits[0], Integer.parseInt(splits[1]));
-<a class="jxr_linenumber" name="274" href="#274">274</a>         PrintWriter out = <strong class="jxr_keyword">new</strong> PrintWriter(sock.getOutputStream(), <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="275" href="#275">275</a>         BufferedReader in = <strong class="jxr_keyword">new</strong> BufferedReader(<strong class="jxr_keyword">new</strong> InputStreamReader(sock.getInputStream()));
+<a class="jxr_linenumber" name="148" href="#148">148</a>     ZkConnection connection = ((ZkConnection) zkClient.getConnection());
+<a class="jxr_linenumber" name="149" href="#149">149</a>     ZooKeeper curZookeeper = connection.getZookeeper();
+<a class="jxr_linenumber" name="150" href="#150">150</a>     LOG.info(<span class="jxr_string">"Before expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
+<a class="jxr_linenumber" name="151" href="#151">151</a> 
+<a class="jxr_linenumber" name="152" href="#152">152</a>     Watcher watcher = <strong class="jxr_keyword">new</strong> Watcher()
+<a class="jxr_linenumber" name="153" href="#153">153</a>     {
+<a class="jxr_linenumber" name="154" href="#154">154</a>       @Override
+<a class="jxr_linenumber" name="155" href="#155">155</a>       <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> process(WatchedEvent event)
+<a class="jxr_linenumber" name="156" href="#156">156</a>       {
+<a class="jxr_linenumber" name="157" href="#157">157</a>         LOG.info(<span class="jxr_string">"Process watchEvent: "</span> + event);
+<a class="jxr_linenumber" name="158" href="#158">158</a>       }
+<a class="jxr_linenumber" name="159" href="#159">159</a>     };
+<a class="jxr_linenumber" name="160" href="#160">160</a> 
+<a class="jxr_linenumber" name="161" href="#161">161</a>     <strong class="jxr_keyword">final</strong> ZooKeeper dupZookeeper =
+<a class="jxr_linenumber" name="162" href="#162">162</a>         <strong class="jxr_keyword">new</strong> ZooKeeper(connection.getServers(),
+<a class="jxr_linenumber" name="163" href="#163">163</a>                       curZookeeper.getSessionTimeout(),
+<a class="jxr_linenumber" name="164" href="#164">164</a>                       watcher,
+<a class="jxr_linenumber" name="165" href="#165">165</a>                       curZookeeper.getSessionId(),
+<a class="jxr_linenumber" name="166" href="#166">166</a>                       curZookeeper.getSessionPasswd());
+<a class="jxr_linenumber" name="167" href="#167">167</a>     <em class="jxr_comment">// wait until connected, then close</em>
+<a class="jxr_linenumber" name="168" href="#168">168</a>     <strong class="jxr_keyword">while</strong> (dupZookeeper.getState() != States.CONNECTED)
+<a class="jxr_linenumber" name="169" href="#169">169</a>     {
+<a class="jxr_linenumber" name="170" href="#170">170</a>       Thread.sleep(10);
+<a class="jxr_linenumber" name="171" href="#171">171</a>     }
+<a class="jxr_linenumber" name="172" href="#172">172</a>     dupZookeeper.close();
+<a class="jxr_linenumber" name="173" href="#173">173</a> 
+<a class="jxr_linenumber" name="174" href="#174">174</a>     <em class="jxr_comment">// make sure session expiry really happens</em>
+<a class="jxr_linenumber" name="175" href="#175">175</a>     waitExpire.await();
+<a class="jxr_linenumber" name="176" href="#176">176</a>     zkClient.unsubscribeStateChanges(listener);
+<a class="jxr_linenumber" name="177" href="#177">177</a> 
+<a class="jxr_linenumber" name="178" href="#178">178</a>     connection = (ZkConnection) zkClient.getConnection();
+<a class="jxr_linenumber" name="179" href="#179">179</a>     curZookeeper = connection.getZookeeper();
+<a class="jxr_linenumber" name="180" href="#180">180</a> 
+<a class="jxr_linenumber" name="181" href="#181">181</a>     <em class="jxr_comment">// System.err.println("zk: " + oldZookeeper);</em>
+<a class="jxr_linenumber" name="182" href="#182">182</a>     LOG.info(<span class="jxr_string">"After expiry. sessionId: "</span> + Long.toHexString(curZookeeper.getSessionId()));
+<a class="jxr_linenumber" name="183" href="#183">183</a>   }
+<a class="jxr_linenumber" name="184" href="#184">184</a> 
+<a class="jxr_linenumber" name="185" href="#185">185</a>   <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_comment">   * stateMap: partition-&gt;instance-&gt;state</em>
+<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_comment">   */</em>
+<a class="jxr_linenumber" name="188" href="#188">188</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> verifyState(ZkClient zkclient,
+<a class="jxr_linenumber" name="189" href="#189">189</a>                                     String clusterName,
+<a class="jxr_linenumber" name="190" href="#190">190</a>                                     String resourceName,
+<a class="jxr_linenumber" name="191" href="#191">191</a>                                     Map&lt;String, Map&lt;String, String&gt;&gt; expectStateMap,
+<a class="jxr_linenumber" name="192" href="#192">192</a>                                     String op)
+<a class="jxr_linenumber" name="193" href="#193">193</a>   {
+<a class="jxr_linenumber" name="194" href="#194">194</a>     <strong class="jxr_keyword">boolean</strong> result = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="195" href="#195">195</a>     ZkBaseDataAccessor&lt;ZNRecord&gt; baseAccessor =
+<a class="jxr_linenumber" name="196" href="#196">196</a>         <strong class="jxr_keyword">new</strong> ZkBaseDataAccessor&lt;ZNRecord&gt;(zkclient);
+<a class="jxr_linenumber" name="197" href="#197">197</a>     ZKHelixDataAccessor accessor = <strong class="jxr_keyword">new</strong> ZKHelixDataAccessor(clusterName, baseAccessor);
+<a class="jxr_linenumber" name="198" href="#198">198</a>     Builder keyBuilder = accessor.keyBuilder();
+<a class="jxr_linenumber" name="199" href="#199">199</a> 
+<a class="jxr_linenumber" name="200" href="#200">200</a>     ExternalView extView = accessor.getProperty(keyBuilder.externalView(resourceName));
+<a class="jxr_linenumber" name="201" href="#201">201</a>     Map&lt;String, Map&lt;String, String&gt;&gt; actualStateMap = extView.getRecord().getMapFields();
+<a class="jxr_linenumber" name="202" href="#202">202</a>     <strong class="jxr_keyword">for</strong> (String partition : actualStateMap.keySet())
+<a class="jxr_linenumber" name="203" href="#203">203</a>     {
+<a class="jxr_linenumber" name="204" href="#204">204</a>       <strong class="jxr_keyword">for</strong> (String expectPartiton : expectStateMap.keySet())
+<a class="jxr_linenumber" name="205" href="#205">205</a>       {
+<a class="jxr_linenumber" name="206" href="#206">206</a>         <strong class="jxr_keyword">if</strong> (!partition.matches(expectPartiton))
+<a class="jxr_linenumber" name="207" href="#207">207</a>         {
+<a class="jxr_linenumber" name="208" href="#208">208</a>           <strong class="jxr_keyword">continue</strong>;
+<a class="jxr_linenumber" name="209" href="#209">209</a>         }
+<a class="jxr_linenumber" name="210" href="#210">210</a> 
+<a class="jxr_linenumber" name="211" href="#211">211</a>         Map&lt;String, String&gt; actualInstanceStateMap = actualStateMap.get(partition);
+<a class="jxr_linenumber" name="212" href="#212">212</a>         Map&lt;String, String&gt; expectInstanceStateMap = expectStateMap.get(expectPartiton);
+<a class="jxr_linenumber" name="213" href="#213">213</a>         <strong class="jxr_keyword">for</strong> (String instance : actualInstanceStateMap.keySet())
+<a class="jxr_linenumber" name="214" href="#214">214</a>         {
+<a class="jxr_linenumber" name="215" href="#215">215</a>           <strong class="jxr_keyword">for</strong> (String expectInstance : expectStateMap.get(expectPartiton).keySet())
+<a class="jxr_linenumber" name="216" href="#216">216</a>           {
+<a class="jxr_linenumber" name="217" href="#217">217</a>             <strong class="jxr_keyword">if</strong> (!instance.matches(expectInstance))
+<a class="jxr_linenumber" name="218" href="#218">218</a>             {
+<a class="jxr_linenumber" name="219" href="#219">219</a>               <strong class="jxr_keyword">continue</strong>;
+<a class="jxr_linenumber" name="220" href="#220">220</a>             }
+<a class="jxr_linenumber" name="221" href="#221">221</a> 
+<a class="jxr_linenumber" name="222" href="#222">222</a>             String actualState = actualInstanceStateMap.get(instance);
+<a class="jxr_linenumber" name="223" href="#223">223</a>             String expectState = expectInstanceStateMap.get(expectInstance);
+<a class="jxr_linenumber" name="224" href="#224">224</a>             <strong class="jxr_keyword">boolean</strong> equals = expectState.equals(actualState);
+<a class="jxr_linenumber" name="225" href="#225">225</a>             <strong class="jxr_keyword">if</strong> (op.equals(<span class="jxr_string">"=="</span>) &amp;&amp; !equals || op.equals(<span class="jxr_string">"!="</span>) &amp;&amp; equals)
+<a class="jxr_linenumber" name="226" href="#226">226</a>             {
+<a class="jxr_linenumber" name="227" href="#227">227</a>               System.out.println(partition + <span class="jxr_string">"/"</span> + instance
+<a class="jxr_linenumber" name="228" href="#228">228</a>                   + <span class="jxr_string">" state mismatch. actual state: "</span> + actualState + <span class="jxr_string">", but expect: "</span>
+<a class="jxr_linenumber" name="229" href="#229">229</a>                   + expectState + <span class="jxr_string">", op: "</span> + op);
+<a class="jxr_linenumber" name="230" href="#230">230</a>               result = false;
+<a class="jxr_linenumber" name="231" href="#231">231</a>             }
+<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>       }
+<a class="jxr_linenumber" name="235" href="#235">235</a>     }
+<a class="jxr_linenumber" name="236" href="#236">236</a>     <strong class="jxr_keyword">return</strong> result;
+<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>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">   * return the number of listeners on given zk-path</em>
+<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment">   * @param zkAddr</em>
+<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">   * @param path</em>
+<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">   * @return</em>
+<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">   * @throws Exception</em>
+<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="246" href="#246">246</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> numberOfListeners(String zkAddr, String path) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="247" href="#247">247</a>   {
+<a class="jxr_linenumber" name="248" href="#248">248</a> 	  Map&lt;String, Set&lt;String&gt;&gt; listenerMap = getListenersByZkPath(zkAddr);
+<a class="jxr_linenumber" name="249" href="#249">249</a> 	  <strong class="jxr_keyword">if</strong> (listenerMap.containsKey(path)) {
+<a class="jxr_linenumber" name="250" href="#250">250</a> 		  <strong class="jxr_keyword">return</strong> listenerMap.get(path).size();
+<a class="jxr_linenumber" name="251" href="#251">251</a> 	  }
+<a class="jxr_linenumber" name="252" href="#252">252</a> 	  <strong class="jxr_keyword">return</strong> 0;
+<a class="jxr_linenumber" name="253" href="#253">253</a>   }
+<a class="jxr_linenumber" name="254" href="#254">254</a>   
+<a class="jxr_linenumber" name="255" href="#255">255</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment">   * return a map from zk-path to a set of zk-session-id that put watches on the zk-path</em>
+<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">   * </em>
+<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment">   * @param zkAddr</em>
+<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">   * @return</em>
+<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment">   * @throws Exception</em>
+<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="262" href="#262">262</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map&lt;String, Set&lt;String&gt;&gt; getListenersByZkPath(String zkAddr) <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="263" href="#263">263</a>   {
+<a class="jxr_linenumber" name="264" href="#264">264</a>     String splits[] = zkAddr.split(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="265" href="#265">265</a>     Map&lt;String, Set&lt;String&gt;&gt; listenerMap = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Set&lt;String&gt;&gt;();
+<a class="jxr_linenumber" name="266" href="#266">266</a>     Socket sock = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="267" href="#267">267</a>     <strong class="jxr_keyword">int</strong> retry = 5;
+<a class="jxr_linenumber" name="268" href="#268">268</a>     
+<a class="jxr_linenumber" name="269" href="#269">269</a>     <strong class="jxr_keyword">while</strong> (retry &gt; 0) {
+<a class="jxr_linenumber" name="270" href="#270">270</a>       <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="271" href="#271">271</a>         sock = <strong class="jxr_keyword">new</strong> Socket(splits[0], Integer.parseInt(splits[1]));
+<a class="jxr_linenumber" name="272" href="#272">272</a>         PrintWriter out = <strong class="jxr_keyword">new</strong> PrintWriter(sock.getOutputStream(), <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="273" href="#273">273</a>         BufferedReader in = <strong class="jxr_keyword">new</strong> BufferedReader(<strong class="jxr_keyword">new</strong> InputStreamReader(sock.getInputStream()));
+<a class="jxr_linenumber" name="274" href="#274">274</a>     
+<a class="jxr_linenumber" name="275" href="#275">275</a>         out.println(<span class="jxr_string">"wchp"</span>);
 <a class="jxr_linenumber" name="276" href="#276">276</a>     
-<a class="jxr_linenumber" name="277" href="#277">277</a>         out.println(<span class="jxr_string">"wchp"</span>);
-<a class="jxr_linenumber" name="278" href="#278">278</a>     
-<a class="jxr_linenumber" name="279" href="#279">279</a>         listenerMap.clear();
-<a class="jxr_linenumber" name="280" href="#280">280</a>         String lastPath = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="281" href="#281">281</a>         String line = in.readLine();
-<a class="jxr_linenumber" name="282" href="#282">282</a>         <strong class="jxr_keyword">while</strong> (line != <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="283" href="#283">283</a>         {
-<a class="jxr_linenumber" name="284" href="#284">284</a>         	line = line.trim();
-<a class="jxr_linenumber" name="285" href="#285">285</a>         	
-<a class="jxr_linenumber" name="286" href="#286">286</a>         	<strong class="jxr_keyword">if</strong> (line.startsWith(<span class="jxr_string">"/"</span>)) {
-<a class="jxr_linenumber" name="287" href="#287">287</a>         		lastPath = line;
-<a class="jxr_linenumber" name="288" href="#288">288</a>         		<strong class="jxr_keyword">if</strong> (!listenerMap.containsKey(lastPath)) {
-<a class="jxr_linenumber" name="289" href="#289">289</a>         			listenerMap.put(lastPath, <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;());
-<a class="jxr_linenumber" name="290" href="#290">290</a>         		}
-<a class="jxr_linenumber" name="291" href="#291">291</a>         	} <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (line.startsWith(<span class="jxr_string">"0x"</span>)) {
-<a class="jxr_linenumber" name="292" href="#292">292</a>         		<strong class="jxr_keyword">if</strong> (lastPath != <strong class="jxr_keyword">null</strong> &amp;&amp; listenerMap.containsKey(lastPath) ) {
-<a class="jxr_linenumber" name="293" href="#293">293</a>         			listenerMap.get(lastPath).add(line);
-<a class="jxr_linenumber" name="294" href="#294">294</a>         		} <strong class="jxr_keyword">else</strong>
-<a class="jxr_linenumber" name="295" href="#295">295</a>         		{
-<a class="jxr_linenumber" name="296" href="#296">296</a>         			LOG.error(<span class="jxr_string">"Not path associated with listener sessionId: "</span> + line + <span class="jxr_string">", lastPath: "</span> + lastPath);
-<a class="jxr_linenumber" name="297" href="#297">297</a>         		}
-<a class="jxr_linenumber" name="298" href="#298">298</a>         	} <strong class="jxr_keyword">else</strong>
-<a class="jxr_linenumber" name="299" href="#299">299</a>         	{
-<a class="jxr_linenumber" name="300" href="#300">300</a>     <em class="jxr_comment">//    		LOG.error("unrecognized line: " + line);</em>
-<a class="jxr_linenumber" name="301" href="#301">301</a>         	}
-<a class="jxr_linenumber" name="302" href="#302">302</a>           line = in.readLine();
-<a class="jxr_linenumber" name="303" href="#303">303</a>         }
-<a class="jxr_linenumber" name="304" href="#304">304</a>         <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="305" href="#305">305</a>       } <strong class="jxr_keyword">catch</strong> (Exception e) {
-<a class="jxr_linenumber" name="306" href="#306">306</a>     	  <em class="jxr_comment">// sometimes in test, we see connection-reset exceptions when in.readLine()</em>
-<a class="jxr_linenumber" name="307" href="#307">307</a>     	  <em class="jxr_comment">// so add this retry logic</em>
-<a class="jxr_linenumber" name="308" href="#308">308</a>     	  retry--;
-<a class="jxr_linenumber" name="309" href="#309">309</a>       } <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="310" href="#310">310</a>       {
-<a class="jxr_linenumber" name="311" href="#311">311</a>     	<strong class="jxr_keyword">if</strong> (sock != <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="312" href="#312">312</a>     		sock.close();
-<a class="jxr_linenumber" name="313" href="#313">313</a>       }
-<a class="jxr_linenumber" name="314" href="#314">314</a>     }
-<a class="jxr_linenumber" name="315" href="#315">315</a>     <strong class="jxr_keyword">return</strong> listenerMap;
-<a class="jxr_linenumber" name="316" href="#316">316</a>   }
-<a class="jxr_linenumber" name="317" href="#317">317</a> 
-<a class="jxr_linenumber" name="318" href="#318">318</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment">   * return a map from session-id to a set of zk-path that the session has watches on</em>
-<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment">   * </em>
-<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment">   * @return</em>
-<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="323" href="#323">323</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map&lt;String, Set&lt;String&gt;&gt; getListenersBySession(String zkAddr) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="324" href="#324">324</a> 	  Map&lt;String, Set&lt;String&gt;&gt; listenerMapByInstance = getListenersByZkPath(zkAddr);
-<a class="jxr_linenumber" name="325" href="#325">325</a> 	  
-<a class="jxr_linenumber" name="326" href="#326">326</a> 	  <em class="jxr_comment">// convert to index by sessionId</em>
-<a class="jxr_linenumber" name="327" href="#327">327</a> 	  Map&lt;String, Set&lt;String&gt;&gt; listenerMapBySession = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Set&lt;String&gt;&gt;();
-<a class="jxr_linenumber" name="328" href="#328">328</a> 	  <strong class="jxr_keyword">for</strong> (String path : listenerMapByInstance.keySet()) {
-<a class="jxr_linenumber" name="329" href="#329">329</a> 		  <strong class="jxr_keyword">for</strong> (String sessionId : listenerMapByInstance.get(path)) {
-<a class="jxr_linenumber" name="330" href="#330">330</a> 			  <strong class="jxr_keyword">if</strong> (!listenerMapBySession.containsKey(sessionId)) {
-<a class="jxr_linenumber" name="331" href="#331">331</a> 				  listenerMapBySession.put(sessionId, <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;());
-<a class="jxr_linenumber" name="332" href="#332">332</a> 			  }
-<a class="jxr_linenumber" name="333" href="#333">333</a> 			  listenerMapBySession.get(sessionId).add(path);
-<a class="jxr_linenumber" name="334" href="#334">334</a> 		  }
-<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> 	  <strong class="jxr_keyword">return</strong> listenerMapBySession;
-<a class="jxr_linenumber" name="338" href="#338">338</a>   }
-<a class="jxr_linenumber" name="339" href="#339">339</a>     <strong class="jxr_keyword">static</strong> java.lang.reflect.Field getField(Class clazz, String fieldName) <strong class="jxr_keyword">throws</strong> NoSuchFieldException {
-<a class="jxr_linenumber" name="340" href="#340">340</a>         <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="341" href="#341">341</a>             <strong class="jxr_keyword">return</strong> clazz.getDeclaredField(fieldName);
-<a class="jxr_linenumber" name="342" href="#342">342</a>         } <strong class="jxr_keyword">catch</strong> (NoSuchFieldException e) {
-<a class="jxr_linenumber" name="343" href="#343">343</a>             Class superClass = clazz.getSuperclass();
-<a class="jxr_linenumber" name="344" href="#344">344</a>             <strong class="jxr_keyword">if</strong> (superClass == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="345" href="#345">345</a>                 <strong class="jxr_keyword">throw</strong> e;
-<a class="jxr_linenumber" name="346" href="#346">346</a>             } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="347" href="#347">347</a>                 <strong class="jxr_keyword">return</strong> getField(superClass, fieldName);
-<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>     }
-<a class="jxr_linenumber" name="351" href="#351">351</a> 
-<a class="jxr_linenumber" name="352" href="#352">352</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> tryWaitZkEventsCleaned(ZkClient zkclient) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="353" href="#353">353</a>         java.lang.reflect.Field field = getField(zkclient.getClass(), <span class="jxr_string">"_eventThread"</span>);
-<a class="jxr_linenumber" name="354" href="#354">354</a>         field.setAccessible(<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="355" href="#355">355</a>         Object eventThread = field.get(zkclient);
-<a class="jxr_linenumber" name="356" href="#356">356</a>         <em class="jxr_comment">// System.out.println("field: " + eventThread);</em>
-<a class="jxr_linenumber" name="357" href="#357">357</a> 
-<a class="jxr_linenumber" name="358" href="#358">358</a>         java.lang.reflect.Field field2 = getField(eventThread.getClass(), <span class="jxr_string">"_events"</span>);
-<a class="jxr_linenumber" name="359" href="#359">359</a>         field2.setAccessible(<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="360" href="#360">360</a>         BlockingQueue queue = (BlockingQueue) field2.get(eventThread);
-<a class="jxr_linenumber" name="361" href="#361">361</a>         <em class="jxr_comment">// System.out.println("field2: " + queue + ", " + queue.size());</em>
+<a class="jxr_linenumber" name="277" href="#277">277</a>         listenerMap.clear();
+<a class="jxr_linenumber" name="278" href="#278">278</a>         String lastPath = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="279" href="#279">279</a>         String line = in.readLine();
+<a class="jxr_linenumber" name="280" href="#280">280</a>         <strong class="jxr_keyword">while</strong> (line != <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="281" href="#281">281</a>         {
+<a class="jxr_linenumber" name="282" href="#282">282</a>         	line = line.trim();
+<a class="jxr_linenumber" name="283" href="#283">283</a>         	
+<a class="jxr_linenumber" name="284" href="#284">284</a>         	<strong class="jxr_keyword">if</strong> (line.startsWith(<span class="jxr_string">"/"</span>)) {
+<a class="jxr_linenumber" name="285" href="#285">285</a>         		lastPath = line;
+<a class="jxr_linenumber" name="286" href="#286">286</a>         		<strong class="jxr_keyword">if</strong> (!listenerMap.containsKey(lastPath)) {
+<a class="jxr_linenumber" name="287" href="#287">287</a>         			listenerMap.put(lastPath, <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;());
+<a class="jxr_linenumber" name="288" href="#288">288</a>         		}
+<a class="jxr_linenumber" name="289" href="#289">289</a>         	} <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (line.startsWith(<span class="jxr_string">"0x"</span>)) {
+<a class="jxr_linenumber" name="290" href="#290">290</a>         		<strong class="jxr_keyword">if</strong> (lastPath != <strong class="jxr_keyword">null</strong> &amp;&amp; listenerMap.containsKey(lastPath) ) {
+<a class="jxr_linenumber" name="291" href="#291">291</a>         			listenerMap.get(lastPath).add(line);
+<a class="jxr_linenumber" name="292" href="#292">292</a>         		} <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="293" href="#293">293</a>         		{
+<a class="jxr_linenumber" name="294" href="#294">294</a>         			LOG.error(<span class="jxr_string">"Not path associated with listener sessionId: "</span> + line + <span class="jxr_string">", lastPath: "</span> + lastPath);
+<a class="jxr_linenumber" name="295" href="#295">295</a>         		}
+<a class="jxr_linenumber" name="296" href="#296">296</a>         	} <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="297" href="#297">297</a>         	{
+<a class="jxr_linenumber" name="298" href="#298">298</a>     <em class="jxr_comment">//    		LOG.error("unrecognized line: " + line);</em>
+<a class="jxr_linenumber" name="299" href="#299">299</a>         	}
+<a class="jxr_linenumber" name="300" href="#300">300</a>           line = in.readLine();
+<a class="jxr_linenumber" name="301" href="#301">301</a>         }
+<a class="jxr_linenumber" name="302" href="#302">302</a>         <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="303" href="#303">303</a>       } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="304" href="#304">304</a>     	  <em class="jxr_comment">// sometimes in test, we see connection-reset exceptions when in.readLine()</em>
+<a class="jxr_linenumber" name="305" href="#305">305</a>     	  <em class="jxr_comment">// so add this retry logic</em>
+<a class="jxr_linenumber" name="306" href="#306">306</a>     	  retry--;
+<a class="jxr_linenumber" name="307" href="#307">307</a>       } <strong class="jxr_keyword">finally</strong>
+<a class="jxr_linenumber" name="308" href="#308">308</a>       {
+<a class="jxr_linenumber" name="309" href="#309">309</a>     	<strong class="jxr_keyword">if</strong> (sock != <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="310" href="#310">310</a>     		sock.close();
+<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">return</strong> listenerMap;
+<a class="jxr_linenumber" name="314" href="#314">314</a>   }
+<a class="jxr_linenumber" name="315" href="#315">315</a> 
+<a class="jxr_linenumber" name="316" href="#316">316</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_javadoccomment">   * return a map from session-id to a set of zk-path that the session has watches on</em>
+<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment">   * </em>
+<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment">   * @return</em>
+<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="321" href="#321">321</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map&lt;String, Set&lt;String&gt;&gt; getListenersBySession(String zkAddr) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="322" href="#322">322</a> 	  Map&lt;String, Set&lt;String&gt;&gt; listenerMapByInstance = getListenersByZkPath(zkAddr);
+<a class="jxr_linenumber" name="323" href="#323">323</a> 	  
+<a class="jxr_linenumber" name="324" href="#324">324</a> 	  <em class="jxr_comment">// convert to index by sessionId</em>
+<a class="jxr_linenumber" name="325" href="#325">325</a> 	  Map&lt;String, Set&lt;String&gt;&gt; listenerMapBySession = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, Set&lt;String&gt;&gt;();
+<a class="jxr_linenumber" name="326" href="#326">326</a> 	  <strong class="jxr_keyword">for</strong> (String path : listenerMapByInstance.keySet()) {
+<a class="jxr_linenumber" name="327" href="#327">327</a> 		  <strong class="jxr_keyword">for</strong> (String sessionId : listenerMapByInstance.get(path)) {
+<a class="jxr_linenumber" name="328" href="#328">328</a> 			  <strong class="jxr_keyword">if</strong> (!listenerMapBySession.containsKey(sessionId)) {
+<a class="jxr_linenumber" name="329" href="#329">329</a> 				  listenerMapBySession.put(sessionId, <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;());
+<a class="jxr_linenumber" name="330" href="#330">330</a> 			  }
+<a class="jxr_linenumber" name="331" href="#331">331</a> 			  listenerMapBySession.get(sessionId).add(path);
+<a class="jxr_linenumber" name="332" href="#332">332</a> 		  }
+<a class="jxr_linenumber" name="333" href="#333">333</a> 	  }
+<a class="jxr_linenumber" name="334" href="#334">334</a> 
+<a class="jxr_linenumber" name="335" href="#335">335</a> 	  <strong class="jxr_keyword">return</strong> listenerMapBySession;
+<a class="jxr_linenumber" name="336" href="#336">336</a>   }
+<a class="jxr_linenumber" name="337" href="#337">337</a>     <strong class="jxr_keyword">static</strong> java.lang.reflect.Field getField(Class clazz, String fieldName) <strong class="jxr_keyword">throws</strong> NoSuchFieldException {
+<a class="jxr_linenumber" name="338" href="#338">338</a>         <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="339" href="#339">339</a>             <strong class="jxr_keyword">return</strong> clazz.getDeclaredField(fieldName);
+<a class="jxr_linenumber" name="340" href="#340">340</a>         } <strong class="jxr_keyword">catch</strong> (NoSuchFieldException e) {
+<a class="jxr_linenumber" name="341" href="#341">341</a>             Class superClass = clazz.getSuperclass();
+<a class="jxr_linenumber" name="342" href="#342">342</a>             <strong class="jxr_keyword">if</strong> (superClass == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="343" href="#343">343</a>                 <strong class="jxr_keyword">throw</strong> e;
+<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>                 <strong class="jxr_keyword">return</strong> getField(superClass, fieldName);
+<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>     }
+<a class="jxr_linenumber" name="349" href="#349">349</a> 
+<a class="jxr_linenumber" name="350" href="#350">350</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map&lt;String, List&lt;String&gt;&gt; getZkWatch(ZkClient client) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="351" href="#351">351</a>         Map&lt;String, List&lt;String&gt;&gt; lists = <strong class="jxr_keyword">new</strong> HashMap&lt;String, List&lt;String&gt;&gt;();
+<a class="jxr_linenumber" name="352" href="#352">352</a>         ZkConnection connection = ((ZkConnection) client.getConnection());
+<a class="jxr_linenumber" name="353" href="#353">353</a>         ZooKeeper zk = connection.getZookeeper();
+<a class="jxr_linenumber" name="354" href="#354">354</a> 
+<a class="jxr_linenumber" name="355" href="#355">355</a>         java.lang.reflect.Field field = getField(zk.getClass(), <span class="jxr_string">"watchManager"</span>);
+<a class="jxr_linenumber" name="356" href="#356">356</a>         field.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="357" href="#357">357</a>         Object watchManager = field.get(zk);
+<a class="jxr_linenumber" name="358" href="#358">358</a> 
+<a class="jxr_linenumber" name="359" href="#359">359</a>         java.lang.reflect.Field field2 = getField(watchManager.getClass(), <span class="jxr_string">"dataWatches"</span>);
+<a class="jxr_linenumber" name="360" href="#360">360</a>         field2.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="361" href="#361">361</a>         HashMap&lt;String, Set&lt;Watcher&gt;&gt; dataWatches = (HashMap&lt;String, Set&lt;Watcher&gt;&gt;) field2.get(watchManager);
 <a class="jxr_linenumber" name="362" href="#362">362</a> 
-<a class="jxr_linenumber" name="363" href="#363">363</a> 
-<a class="jxr_linenumber" name="364" href="#364">364</a>         <strong class="jxr_keyword">if</strong> (queue == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="365" href="#365">365</a>             LOG.error(<span class="jxr_string">"fail to get event-queue from zkclient. skip waiting"</span>);
-<a class="jxr_linenumber" name="366" href="#366">366</a>             <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="367" href="#367">367</a>         }
-<a class="jxr_linenumber" name="368" href="#368">368</a> 
-<a class="jxr_linenumber" name="369" href="#369">369</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; 20; i++) {
-<a class="jxr_linenumber" name="370" href="#370">370</a>             <strong class="jxr_keyword">if</strong> (queue.size() == 0) {
-<a class="jxr_linenumber" name="371" href="#371">371</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="372" href="#372">372</a>             }
-<a class="jxr_linenumber" name="373" href="#373">373</a>             Thread.sleep(100);
-<a class="jxr_linenumber" name="374" href="#374">374</a>             System.out.println(<span class="jxr_string">"pending zk-events in queue: "</span> + queue);
-<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> false;
-<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="363" href="#363">363</a>         field2 = getField(watchManager.getClass(), <span class="jxr_string">"existWatches"</span>);
+<a class="jxr_linenumber" name="364" href="#364">364</a>         field2.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="365" href="#365">365</a>         HashMap&lt;String, Set&lt;Watcher&gt;&gt; existWatches = (HashMap&lt;String, Set&lt;Watcher&gt;&gt;) field2.get(watchManager);
+<a class="jxr_linenumber" name="366" href="#366">366</a> 
+<a class="jxr_linenumber" name="367" href="#367">367</a>         field2 = getField(watchManager.getClass(), <span class="jxr_string">"childWatches"</span>);
+<a class="jxr_linenumber" name="368" href="#368">368</a>         field2.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="369" href="#369">369</a>         HashMap&lt;String, Set&lt;Watcher&gt;&gt; childWatches = (HashMap&lt;String, Set&lt;Watcher&gt;&gt;) field2.get(watchManager);
+<a class="jxr_linenumber" name="370" href="#370">370</a> 
+<a class="jxr_linenumber" name="371" href="#371">371</a>         lists.put(<span class="jxr_string">"dataWatches"</span>, <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;(dataWatches.keySet()));
+<a class="jxr_linenumber" name="372" href="#372">372</a>         lists.put(<span class="jxr_string">"existWatches"</span>, <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;(existWatches.keySet()));
+<a class="jxr_linenumber" name="373" href="#373">373</a>         lists.put(<span class="jxr_string">"childWatches"</span>, <strong class="jxr_keyword">new</strong> ArrayList&lt;String&gt;(childWatches.keySet()));
+<a class="jxr_linenumber" name="374" href="#374">374</a> 
+<a class="jxr_linenumber" name="375" href="#375">375</a>         <strong class="jxr_keyword">return</strong> lists;
+<a class="jxr_linenumber" name="376" href="#376">376</a>     }
+<a class="jxr_linenumber" name="377" href="#377">377</a> 
+<a class="jxr_linenumber" name="378" href="#378">378</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map&lt;String, Set&lt;IZkDataListener&gt;&gt; getZkDataListener(ZkClient client) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="379" href="#379">379</a>         java.lang.reflect.Field field = getField(client.getClass(), <span class="jxr_string">"_dataListener"</span>);
+<a class="jxr_linenumber" name="380" href="#380">380</a>         field.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="381" href="#381">381</a>         Map&lt;String, Set&lt;IZkDataListener&gt;&gt; dataListener = (Map&lt;String, Set&lt;IZkDataListener&gt;&gt;)field.get(client);
+<a class="jxr_linenumber" name="382" href="#382">382</a>         <strong class="jxr_keyword">return</strong> dataListener;
+<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>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Map&lt;String, Set&lt;IZkChildListener&gt;&gt; getZkChildListener(ZkClient client) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="386" href="#386">386</a>         java.lang.reflect.Field field = getField(client.getClass(), <span class="jxr_string">"_childListener"</span>);
+<a class="jxr_linenumber" name="387" href="#387">387</a>         field.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="388" href="#388">388</a>         Map&lt;String, Set&lt;IZkChildListener&gt;&gt; childListener = (Map&lt;String, Set&lt;IZkChildListener&gt;&gt;)field.get(client);
+<a class="jxr_linenumber" name="389" href="#389">389</a>         <strong class="jxr_keyword">return</strong> childListener;
+<a class="jxr_linenumber" name="390" href="#390">390</a>     }
+<a class="jxr_linenumber" name="391" href="#391">391</a> 
+<a class="jxr_linenumber" name="392" href="#392">392</a> 
+<a class="jxr_linenumber" name="393" href="#393">393</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> tryWaitZkEventsCleaned(ZkClient zkclient) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="394" href="#394">394</a>         java.lang.reflect.Field field = getField(zkclient.getClass(), <span class="jxr_string">"_eventThread"</span>);
+<a class="jxr_linenumber" name="395" href="#395">395</a>         field.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="396" href="#396">396</a>         Object eventThread = field.get(zkclient);
+<a class="jxr_linenumber" name="397" href="#397">397</a>         <em class="jxr_comment">// System.out.println("field: " + eventThread);</em>
+<a class="jxr_linenumber" name="398" href="#398">398</a> 
+<a class="jxr_linenumber" name="399" href="#399">399</a>         java.lang.reflect.Field field2 = getField(eventThread.getClass(), <span class="jxr_string">"_events"</span>);
+<a class="jxr_linenumber" name="400" href="#400">400</a>         field2.setAccessible(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="401" href="#401">401</a>         BlockingQueue queue = (BlockingQueue) field2.get(eventThread);
+<a class="jxr_linenumber" name="402" href="#402">402</a>         <em class="jxr_comment">// System.out.println("field2: " + queue + ", " + queue.size());</em>
+<a class="jxr_linenumber" name="403" href="#403">403</a> 
+<a class="jxr_linenumber" name="404" href="#404">404</a> 
+<a class="jxr_linenumber" name="405" href="#405">405</a>         <strong class="jxr_keyword">if</strong> (queue == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="406" href="#406">406</a>             LOG.error(<span class="jxr_string">"fail to get event-queue from zkclient. skip waiting"</span>);
+<a class="jxr_linenumber" name="407" href="#407">407</a>             <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="408" href="#408">408</a>         }
+<a class="jxr_linenumber" name="409" href="#409">409</a> 
+<a class="jxr_linenumber" name="410" href="#410">410</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; 20; i++) {
+<a class="jxr_linenumber" name="411" href="#411">411</a>             <strong class="jxr_keyword">if</strong> (queue.size() == 0) {
+<a class="jxr_linenumber" name="412" href="#412">412</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="413" href="#413">413</a>             }
+<a class="jxr_linenumber" name="414" href="#414">414</a>             Thread.sleep(100);
+<a class="jxr_linenumber" name="415" href="#415">415</a>             System.out.println(<span class="jxr_string">"pending zk-events in queue: "</span> + queue);
+<a class="jxr_linenumber" name="416" href="#416">416</a>         }
+<a class="jxr_linenumber" name="417" href="#417">417</a>         <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="418" href="#418">418</a>     }
+<a class="jxr_linenumber" name="419" href="#419">419</a> }
 </pre>
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