helix-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ol...@apache.org
Subject svn commit: r1415977 [13/14] - in /incubator/helix/site-content: ./ apidocs/reference/org/apache/helix/participant/ helix-admin-webapp/ helix-core/ involved/ mockservice/ xref-test/ xref-test/org/apache/helix/integration/ xref-test/org/apache/helix/mes...
Date Sat, 01 Dec 2012 11:21:28 GMT
Modified: incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkClient.html
URL: http://svn.apache.org/viewvc/incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkClient.html?rev=1415977&r1=1415976&r2=1415977&view=diff
==============================================================================
--- incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkClient.html (original)
+++ incubator/helix/site-content/xref/org/apache/helix/manager/zk/ZkClient.html Sat Dec  1 11:21:14 2012
@@ -74,411 +74,413 @@
 <a class="jxr_linenumber" name="64" href="#64">64</a>    {
 <a class="jxr_linenumber" name="65" href="#65">65</a>      <strong class="jxr_keyword">super</strong>(connection, connectionTimeout, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/manager/zk/ByteArraySerializer.html">ByteArraySerializer</a>());
 <a class="jxr_linenumber" name="66" href="#66">66</a>      _zkSerializer = zkSerializer;
-<a class="jxr_linenumber" name="67" href="#67">67</a>  
-<a class="jxr_linenumber" name="68" href="#68">68</a>      StackTraceElement[] calls = Thread.currentThread().getStackTrace();
-<a class="jxr_linenumber" name="69" href="#69">69</a>      LOG.info(<span class="jxr_string">"create a new zkclient. "</span> + Arrays.asList(calls));
-<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>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(IZkConnection connection, <strong class="jxr_keyword">int</strong> connectionTimeout,
-<a class="jxr_linenumber" name="73" href="#73">73</a>                    ZkSerializer zkSerializer)
-<a class="jxr_linenumber" name="74" href="#74">74</a>    {
-<a class="jxr_linenumber" name="75" href="#75">75</a>      <strong class="jxr_keyword">this</strong>(connection, connectionTimeout, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/manager/zk/BasicZkSerializer.html">BasicZkSerializer</a>(zkSerializer));
-<a class="jxr_linenumber" name="76" href="#76">76</a>    }
-<a class="jxr_linenumber" name="77" href="#77">77</a>  
-<a class="jxr_linenumber" name="78" href="#78">78</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(IZkConnection connection, <strong class="jxr_keyword">int</strong> connectionTimeout)
-<a class="jxr_linenumber" name="79" href="#79">79</a>    {
-<a class="jxr_linenumber" name="80" href="#80">80</a>      <strong class="jxr_keyword">this</strong>(connection, connectionTimeout, <strong class="jxr_keyword">new</strong> SerializableSerializer());
-<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>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(IZkConnection connection)
-<a class="jxr_linenumber" name="84" href="#84">84</a>    {
-<a class="jxr_linenumber" name="85" href="#85">85</a>      <strong class="jxr_keyword">this</strong>(connection, Integer.MAX_VALUE, <strong class="jxr_keyword">new</strong> SerializableSerializer());
-<a class="jxr_linenumber" name="86" href="#86">86</a>    }
-<a class="jxr_linenumber" name="87" href="#87">87</a>  
-<a class="jxr_linenumber" name="88" href="#88">88</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> sessionTimeout, <strong class="jxr_keyword">int</strong> connectionTimeout,
-<a class="jxr_linenumber" name="89" href="#89">89</a>                    ZkSerializer zkSerializer)
-<a class="jxr_linenumber" name="90" href="#90">90</a>    {
-<a class="jxr_linenumber" name="91" href="#91">91</a>      <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer);
-<a class="jxr_linenumber" name="92" href="#92">92</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">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> sessionTimeout, <strong class="jxr_keyword">int</strong> connectionTimeout,
-<a class="jxr_linenumber" name="95" href="#95">95</a>                    <a href="../../../../../org/apache/helix/manager/zk/PathBasedZkSerializer.html">PathBasedZkSerializer</a> zkSerializer)
-<a class="jxr_linenumber" name="96" href="#96">96</a>    {
-<a class="jxr_linenumber" name="97" href="#97">97</a>      <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer);
-<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">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> sessionTimeout, <strong class="jxr_keyword">int</strong> connectionTimeout)
-<a class="jxr_linenumber" name="101" href="#101">101</a>   {
-<a class="jxr_linenumber" name="102" href="#102">102</a>     <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers, sessionTimeout),
-<a class="jxr_linenumber" name="103" href="#103">103</a>          connectionTimeout,
-<a class="jxr_linenumber" name="104" href="#104">104</a>          <strong class="jxr_keyword">new</strong> SerializableSerializer());
-<a class="jxr_linenumber" name="105" href="#105">105</a>   }
-<a class="jxr_linenumber" name="106" href="#106">106</a> 
-<a class="jxr_linenumber" name="107" href="#107">107</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> connectionTimeout)
-<a class="jxr_linenumber" name="108" href="#108">108</a>   {
-<a class="jxr_linenumber" name="109" href="#109">109</a>     <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers), connectionTimeout, <strong class="jxr_keyword">new</strong> SerializableSerializer());
-<a class="jxr_linenumber" name="110" href="#110">110</a>   }
-<a class="jxr_linenumber" name="111" href="#111">111</a> 
-<a class="jxr_linenumber" name="112" href="#112">112</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers)
-<a class="jxr_linenumber" name="113" href="#113">113</a>   {
-<a class="jxr_linenumber" name="114" href="#114">114</a>     <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers), Integer.MAX_VALUE, <strong class="jxr_keyword">new</strong> SerializableSerializer());
-<a class="jxr_linenumber" name="115" href="#115">115</a>   }
-<a class="jxr_linenumber" name="116" href="#116">116</a> 
-<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> 
-<a class="jxr_linenumber" name="120" href="#120">120</a>   @Override
-<a class="jxr_linenumber" name="121" href="#121">121</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setZkSerializer(ZkSerializer zkSerializer)
-<a class="jxr_linenumber" name="122" href="#122">122</a>   {
-<a class="jxr_linenumber" name="123" href="#123">123</a>     _zkSerializer = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/manager/zk/BasicZkSerializer.html">BasicZkSerializer</a>(zkSerializer);
-<a class="jxr_linenumber" name="124" href="#124">124</a>   }
-<a class="jxr_linenumber" name="125" href="#125">125</a> 
-<a class="jxr_linenumber" name="126" href="#126">126</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setZkSerializer(<a href="../../../../../org/apache/helix/manager/zk/PathBasedZkSerializer.html">PathBasedZkSerializer</a> zkSerializer)
-<a class="jxr_linenumber" name="127" href="#127">127</a>   {
-<a class="jxr_linenumber" name="128" href="#128">128</a>     _zkSerializer = zkSerializer;
-<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>   <strong class="jxr_keyword">public</strong> IZkConnection getConnection()
-<a class="jxr_linenumber" name="132" href="#132">132</a>   {
-<a class="jxr_linenumber" name="133" href="#133">133</a>     <strong class="jxr_keyword">return</strong> _connection;
-<a class="jxr_linenumber" name="134" href="#134">134</a>   }
-<a class="jxr_linenumber" name="135" href="#135">135</a> 
-<a class="jxr_linenumber" name="136" href="#136">136</a>   @Override
-<a class="jxr_linenumber" name="137" href="#137">137</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> ZkInterruptedException
-<a class="jxr_linenumber" name="138" href="#138">138</a>   {
-<a class="jxr_linenumber" name="139" href="#139">139</a>     StackTraceElement[] calls = Thread.currentThread().getStackTrace();
-<a class="jxr_linenumber" name="140" href="#140">140</a>     LOG.info(<span class="jxr_string">"closing a zkclient. zookeeper: "</span>
-<a class="jxr_linenumber" name="141" href="#141">141</a>         + (_connection == <strong class="jxr_keyword">null</strong> ? <span class="jxr_string">"null"</span> : ((ZkConnection) _connection).getZookeeper())
-<a class="jxr_linenumber" name="142" href="#142">142</a>         + <span class="jxr_string">", callStack: "</span> + Arrays.asList(calls));
-<a class="jxr_linenumber" name="143" href="#143">143</a> 
-<a class="jxr_linenumber" name="144" href="#144">144</a>     <strong class="jxr_keyword">super</strong>.close();
-<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="147" href="#147">147</a>   <strong class="jxr_keyword">public</strong> Stat getStat(<strong class="jxr_keyword">final</strong> String path)
-<a class="jxr_linenumber" name="148" href="#148">148</a>   {
-<a class="jxr_linenumber" name="149" href="#149">149</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
-<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>       Stat stat = retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Stat&gt;()
-<a class="jxr_linenumber" name="154" href="#154">154</a>       {
-<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> Stat call() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="158" href="#158">158</a>         {
-<a class="jxr_linenumber" name="159" href="#159">159</a>           Stat stat = ((ZkConnection) _connection).getZookeeper().exists(path, false);
-<a class="jxr_linenumber" name="160" href="#160">160</a>           <strong class="jxr_keyword">return</strong> stat;
-<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> 
-<a class="jxr_linenumber" name="164" href="#164">164</a>       <strong class="jxr_keyword">return</strong> stat;
-<a class="jxr_linenumber" name="165" href="#165">165</a>     }
-<a class="jxr_linenumber" name="166" href="#166">166</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="167" href="#167">167</a>     {
-<a class="jxr_linenumber" name="168" href="#168">168</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
-<a class="jxr_linenumber" name="169" href="#169">169</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="170" href="#170">170</a>       {
-<a class="jxr_linenumber" name="171" href="#171">171</a>         LOG.debug(<span class="jxr_string">"exists, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
-<a class="jxr_linenumber" name="172" href="#172">172</a>       }
-<a class="jxr_linenumber" name="173" href="#173">173</a>     }
-<a class="jxr_linenumber" name="174" href="#174">174</a>   }
-<a class="jxr_linenumber" name="175" href="#175">175</a> 
-<a class="jxr_linenumber" name="176" href="#176">176</a>   <em class="jxr_comment">// override exists(path, watch), so we can record all exists requests</em>
-<a class="jxr_linenumber" name="177" href="#177">177</a>   @Override
-<a class="jxr_linenumber" name="178" href="#178">178</a>   <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> exists(<strong class="jxr_keyword">final</strong> String path, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> watch)
-<a class="jxr_linenumber" name="179" href="#179">179</a>   {
-<a class="jxr_linenumber" name="180" href="#180">180</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
-<a class="jxr_linenumber" name="181" href="#181">181</a> 
-<a class="jxr_linenumber" name="182" href="#182">182</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="183" href="#183">183</a>     {
-<a class="jxr_linenumber" name="184" href="#184">184</a>       <strong class="jxr_keyword">return</strong> retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Boolean&gt;()
-<a class="jxr_linenumber" name="185" href="#185">185</a>       {
-<a class="jxr_linenumber" name="186" href="#186">186</a>         @Override
-<a class="jxr_linenumber" name="187" href="#187">187</a>         <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="188" href="#188">188</a>         {
-<a class="jxr_linenumber" name="189" href="#189">189</a>           <strong class="jxr_keyword">return</strong> _connection.exists(path, watch);
-<a class="jxr_linenumber" name="190" href="#190">190</a>         }
-<a class="jxr_linenumber" name="191" href="#191">191</a>       });
-<a class="jxr_linenumber" name="192" href="#192">192</a>     }
-<a class="jxr_linenumber" name="193" href="#193">193</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="194" href="#194">194</a>     {
-<a class="jxr_linenumber" name="195" href="#195">195</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
-<a class="jxr_linenumber" name="196" href="#196">196</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="197" href="#197">197</a>       {
-<a class="jxr_linenumber" name="198" href="#198">198</a>         LOG.debug(<span class="jxr_string">"exists, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
-<a class="jxr_linenumber" name="199" href="#199">199</a>       }
-<a class="jxr_linenumber" name="200" href="#200">200</a>     }
-<a class="jxr_linenumber" name="201" href="#201">201</a>   }
-<a class="jxr_linenumber" name="202" href="#202">202</a> 
-<a class="jxr_linenumber" name="203" href="#203">203</a>   <em class="jxr_comment">// override getChildren(path, watch), so we can record all getChildren requests</em>
-<a class="jxr_linenumber" name="204" href="#204">204</a>   @Override
-<a class="jxr_linenumber" name="205" href="#205">205</a>   <strong class="jxr_keyword">protected</strong> List&lt;String&gt; getChildren(<strong class="jxr_keyword">final</strong> String path, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> watch)
-<a class="jxr_linenumber" name="206" href="#206">206</a>   {
-<a class="jxr_linenumber" name="207" href="#207">207</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
-<a class="jxr_linenumber" name="208" href="#208">208</a> 
-<a class="jxr_linenumber" name="209" href="#209">209</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="210" href="#210">210</a>     {
-<a class="jxr_linenumber" name="211" href="#211">211</a>       <strong class="jxr_keyword">return</strong> retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;List&lt;String&gt;&gt;()
-<a class="jxr_linenumber" name="212" href="#212">212</a>       {
-<a class="jxr_linenumber" name="213" href="#213">213</a>         @Override
-<a class="jxr_linenumber" name="214" href="#214">214</a>         <strong class="jxr_keyword">public</strong> List&lt;String&gt; call() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="215" href="#215">215</a>         {
-<a class="jxr_linenumber" name="216" href="#216">216</a>           <strong class="jxr_keyword">return</strong> _connection.getChildren(path, watch);
-<a class="jxr_linenumber" name="217" href="#217">217</a>         }
-<a class="jxr_linenumber" name="218" href="#218">218</a>       });
-<a class="jxr_linenumber" name="219" href="#219">219</a>     }
-<a class="jxr_linenumber" name="220" href="#220">220</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="221" href="#221">221</a>     {
-<a class="jxr_linenumber" name="222" href="#222">222</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
-<a class="jxr_linenumber" name="223" href="#223">223</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="224" href="#224">224</a>       {
-<a class="jxr_linenumber" name="225" href="#225">225</a>         LOG.debug(<span class="jxr_string">"getChildren, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
-<a class="jxr_linenumber" name="226" href="#226">226</a>       }
-<a class="jxr_linenumber" name="227" href="#227">227</a>     }
-<a class="jxr_linenumber" name="228" href="#228">228</a>   }
-<a class="jxr_linenumber" name="229" href="#229">229</a> 
-<a class="jxr_linenumber" name="230" href="#230">230</a>   @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
-<a class="jxr_linenumber" name="231" href="#231">231</a>   <strong class="jxr_keyword">public</strong> &lt;T <strong class="jxr_keyword">extends</strong> Object&gt; T deserialize(byte[] data, String path)
-<a class="jxr_linenumber" name="232" href="#232">232</a>   {
-<a class="jxr_linenumber" name="233" href="#233">233</a>     <strong class="jxr_keyword">if</strong> (data == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="234" href="#234">234</a>     {
-<a class="jxr_linenumber" name="235" href="#235">235</a>       <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="236" href="#236">236</a>     }
-<a class="jxr_linenumber" name="237" href="#237">237</a>     <strong class="jxr_keyword">return</strong> (T) _zkSerializer.deserialize(data, path);
-<a class="jxr_linenumber" name="238" href="#238">238</a>   }
-<a class="jxr_linenumber" name="239" href="#239">239</a> 
-<a class="jxr_linenumber" name="240" href="#240">240</a>   <em class="jxr_comment">// override readData(path, stat, watch), so we can record all read requests</em>
-<a class="jxr_linenumber" name="241" href="#241">241</a>   @Override
-<a class="jxr_linenumber" name="242" href="#242">242</a>   @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
-<a class="jxr_linenumber" name="243" href="#243">243</a>   <strong class="jxr_keyword">protected</strong> &lt;T <strong class="jxr_keyword">extends</strong> Object&gt; T readData(<strong class="jxr_keyword">final</strong> String path,
-<a class="jxr_linenumber" name="244" href="#244">244</a>                                           <strong class="jxr_keyword">final</strong> Stat stat,
-<a class="jxr_linenumber" name="245" href="#245">245</a>                                           <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> watch)
-<a class="jxr_linenumber" name="246" href="#246">246</a>   {
-<a class="jxr_linenumber" name="247" href="#247">247</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
-<a class="jxr_linenumber" name="248" href="#248">248</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="249" href="#249">249</a>     {
-<a class="jxr_linenumber" name="250" href="#250">250</a>       byte[] data = retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;byte[]&gt;()
-<a class="jxr_linenumber" name="251" href="#251">251</a>       {
-<a class="jxr_linenumber" name="252" href="#252">252</a> 
-<a class="jxr_linenumber" name="253" href="#253">253</a>         @Override
-<a class="jxr_linenumber" name="254" href="#254">254</a>         <strong class="jxr_keyword">public</strong> byte[] call() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="255" href="#255">255</a>         {
-<a class="jxr_linenumber" name="256" href="#256">256</a>           <strong class="jxr_keyword">return</strong> _connection.readData(path, stat, watch);
-<a class="jxr_linenumber" name="257" href="#257">257</a>         }
-<a class="jxr_linenumber" name="258" href="#258">258</a>       });
-<a class="jxr_linenumber" name="259" href="#259">259</a>       <strong class="jxr_keyword">return</strong> (T) deserialize(data, path);
-<a class="jxr_linenumber" name="260" href="#260">260</a>     }
-<a class="jxr_linenumber" name="261" href="#261">261</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="262" href="#262">262</a>     {
-<a class="jxr_linenumber" name="263" href="#263">263</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
-<a class="jxr_linenumber" name="264" href="#264">264</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="265" href="#265">265</a>       {
-<a class="jxr_linenumber" name="266" href="#266">266</a>         LOG.debug(<span class="jxr_string">"getData, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
-<a class="jxr_linenumber" name="267" href="#267">267</a>       }
-<a class="jxr_linenumber" name="268" href="#268">268</a>     }
-<a class="jxr_linenumber" name="269" href="#269">269</a>   }
-<a class="jxr_linenumber" name="270" href="#270">270</a> 
-<a class="jxr_linenumber" name="271" href="#271">271</a>   @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
-<a class="jxr_linenumber" name="272" href="#272">272</a>   <strong class="jxr_keyword">public</strong> &lt;T <strong class="jxr_keyword">extends</strong> Object&gt; T readDataAndStat(String path,
-<a class="jxr_linenumber" name="273" href="#273">273</a>                                               Stat stat,
-<a class="jxr_linenumber" name="274" href="#274">274</a>                                               <strong class="jxr_keyword">boolean</strong> returnNullIfPathNotExists)
-<a class="jxr_linenumber" name="275" href="#275">275</a>   {
-<a class="jxr_linenumber" name="276" href="#276">276</a>     T data = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="277" href="#277">277</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="278" href="#278">278</a>     {
-<a class="jxr_linenumber" name="279" href="#279">279</a>       data = (T) <strong class="jxr_keyword">super</strong>.readData(path, stat);
-<a class="jxr_linenumber" name="280" href="#280">280</a>     }
-<a class="jxr_linenumber" name="281" href="#281">281</a>     <strong class="jxr_keyword">catch</strong> (ZkNoNodeException e)
-<a class="jxr_linenumber" name="282" href="#282">282</a>     {
-<a class="jxr_linenumber" name="283" href="#283">283</a>       <strong class="jxr_keyword">if</strong> (!returnNullIfPathNotExists)
-<a class="jxr_linenumber" name="284" href="#284">284</a>       {
-<a class="jxr_linenumber" name="285" href="#285">285</a>         <strong class="jxr_keyword">throw</strong> e;
-<a class="jxr_linenumber" name="286" href="#286">286</a>       }
-<a class="jxr_linenumber" name="287" href="#287">287</a>     }
-<a class="jxr_linenumber" name="288" href="#288">288</a>     <strong class="jxr_keyword">return</strong> data;
-<a class="jxr_linenumber" name="289" href="#289">289</a>   }
-<a class="jxr_linenumber" name="290" href="#290">290</a> 
-<a class="jxr_linenumber" name="291" href="#291">291</a>   <strong class="jxr_keyword">public</strong> String getServers()
-<a class="jxr_linenumber" name="292" href="#292">292</a>   {
-<a class="jxr_linenumber" name="293" href="#293">293</a>     <strong class="jxr_keyword">return</strong> _connection.getServers();
-<a class="jxr_linenumber" name="294" href="#294">294</a>   }
-<a class="jxr_linenumber" name="295" href="#295">295</a> 
-<a class="jxr_linenumber" name="296" href="#296">296</a>   <strong class="jxr_keyword">public</strong> byte[] serialize(Object data, String path)
-<a class="jxr_linenumber" name="297" href="#297">297</a>   {
-<a class="jxr_linenumber" name="298" href="#298">298</a>     <strong class="jxr_keyword">return</strong> _zkSerializer.serialize(data, path);
-<a class="jxr_linenumber" name="299" href="#299">299</a>   }
-<a class="jxr_linenumber" name="300" href="#300">300</a> 
-<a class="jxr_linenumber" name="301" href="#301">301</a>   @Override
-<a class="jxr_linenumber" name="302" href="#302">302</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> writeData(<strong class="jxr_keyword">final</strong> String path, Object datat, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> expectedVersion)
-<a class="jxr_linenumber" name="303" href="#303">303</a>   {
-<a class="jxr_linenumber" name="304" href="#304">304</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
-<a class="jxr_linenumber" name="305" href="#305">305</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="306" href="#306">306</a>     {
-<a class="jxr_linenumber" name="307" href="#307">307</a>       <strong class="jxr_keyword">final</strong> byte[] data = serialize(datat, path);
-<a class="jxr_linenumber" name="308" href="#308">308</a> 
-<a class="jxr_linenumber" name="309" href="#309">309</a>       retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Object&gt;()
-<a class="jxr_linenumber" name="310" href="#310">310</a>       {
-<a class="jxr_linenumber" name="311" href="#311">311</a> 
-<a class="jxr_linenumber" name="312" href="#312">312</a>         @Override
-<a class="jxr_linenumber" name="313" href="#313">313</a>         <strong class="jxr_keyword">public</strong> Object call() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="314" href="#314">314</a>         {
-<a class="jxr_linenumber" name="315" href="#315">315</a>           _connection.writeData(path, data, expectedVersion);
-<a class="jxr_linenumber" name="316" href="#316">316</a>           <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="317" href="#317">317</a>         }
-<a class="jxr_linenumber" name="318" href="#318">318</a>       });
-<a class="jxr_linenumber" name="319" href="#319">319</a>     }
-<a class="jxr_linenumber" name="320" href="#320">320</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="321" href="#321">321</a>     {
-<a class="jxr_linenumber" name="322" href="#322">322</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
-<a class="jxr_linenumber" name="323" href="#323">323</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="324" href="#324">324</a>       {
-<a class="jxr_linenumber" name="325" href="#325">325</a>         LOG.debug(<span class="jxr_string">"setData, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
-<a class="jxr_linenumber" name="326" href="#326">326</a>       }
-<a class="jxr_linenumber" name="327" href="#327">327</a>     }
-<a class="jxr_linenumber" name="328" href="#328">328</a>   }
-<a class="jxr_linenumber" name="329" href="#329">329</a> 
-<a class="jxr_linenumber" name="330" href="#330">330</a>   <strong class="jxr_keyword">public</strong> Stat writeDataGetStat(<strong class="jxr_keyword">final</strong> String path, Object datat, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> expectedVersion) <strong class="jxr_keyword">throws</strong> InterruptedException
-<a class="jxr_linenumber" name="331" href="#331">331</a>   {
-<a class="jxr_linenumber" name="332" href="#332">332</a>     Stat stat = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="333" href="#333">333</a>     <strong class="jxr_keyword">long</strong> start = System.nanoTime();
-<a class="jxr_linenumber" name="334" href="#334">334</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="335" href="#335">335</a>     {
-<a class="jxr_linenumber" name="336" href="#336">336</a>       byte[] bytes = _zkSerializer.serialize(datat, path);
-<a class="jxr_linenumber" name="337" href="#337">337</a>       stat =
-<a class="jxr_linenumber" name="338" href="#338">338</a>           ((ZkConnection) _connection).getZookeeper().setData(path,
-<a class="jxr_linenumber" name="339" href="#339">339</a>                                                               bytes,
-<a class="jxr_linenumber" name="340" href="#340">340</a>                                                               expectedVersion);
-<a class="jxr_linenumber" name="341" href="#341">341</a>       <strong class="jxr_keyword">return</strong> stat;
-<a class="jxr_linenumber" name="342" href="#342">342</a>     }
-<a class="jxr_linenumber" name="343" href="#343">343</a>     <strong class="jxr_keyword">catch</strong> (KeeperException e)
-<a class="jxr_linenumber" name="344" href="#344">344</a>     {
-<a class="jxr_linenumber" name="345" href="#345">345</a>       <strong class="jxr_keyword">throw</strong> ZkException.create(e);
-<a class="jxr_linenumber" name="346" href="#346">346</a>     }
-<a class="jxr_linenumber" name="347" href="#347">347</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="348" href="#348">348</a>     {
-<a class="jxr_linenumber" name="349" href="#349">349</a>       <strong class="jxr_keyword">long</strong> end = System.nanoTime();
-<a class="jxr_linenumber" name="350" href="#350">350</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="351" href="#351">351</a>       {
-<a class="jxr_linenumber" name="352" href="#352">352</a>         LOG.debug(<span class="jxr_string">"setData, path: "</span> + path + <span class="jxr_string">", time: "</span> + (end - start) + <span class="jxr_string">" ns"</span>);
-<a class="jxr_linenumber" name="353" href="#353">353</a>       }
-<a class="jxr_linenumber" name="354" href="#354">354</a>     }
-<a class="jxr_linenumber" name="355" href="#355">355</a>   }
-<a class="jxr_linenumber" name="356" href="#356">356</a>   
-<a class="jxr_linenumber" name="357" href="#357">357</a>   @Override
-<a class="jxr_linenumber" name="358" href="#358">358</a>   <strong class="jxr_keyword">public</strong> String create(<strong class="jxr_keyword">final</strong> String path, Object data, <strong class="jxr_keyword">final</strong> CreateMode mode) <strong class="jxr_keyword">throws</strong> ZkInterruptedException,
-<a class="jxr_linenumber" name="359" href="#359">359</a>       IllegalArgumentException,
-<a class="jxr_linenumber" name="360" href="#360">360</a>       ZkException,
-<a class="jxr_linenumber" name="361" href="#361">361</a>       RuntimeException
-<a class="jxr_linenumber" name="362" href="#362">362</a>   {
-<a class="jxr_linenumber" name="363" href="#363">363</a>     <strong class="jxr_keyword">if</strong> (path == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="364" href="#364">364</a>     {
-<a class="jxr_linenumber" name="365" href="#365">365</a>       <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"path must not be null."</span>);
-<a class="jxr_linenumber" name="366" href="#366">366</a>     }
-<a class="jxr_linenumber" name="367" href="#367">367</a> 
-<a class="jxr_linenumber" name="368" href="#368">368</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
-<a class="jxr_linenumber" name="369" href="#369">369</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="370" href="#370">370</a>     {
-<a class="jxr_linenumber" name="371" href="#371">371</a>       <strong class="jxr_keyword">final</strong> byte[] bytes = data == <strong class="jxr_keyword">null</strong> ? <strong class="jxr_keyword">null</strong> : serialize(data, path);
-<a class="jxr_linenumber" name="372" href="#372">372</a> 
-<a class="jxr_linenumber" name="373" href="#373">373</a>       <strong class="jxr_keyword">return</strong> retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;String&gt;()
-<a class="jxr_linenumber" name="374" href="#374">374</a>       {
-<a class="jxr_linenumber" name="375" href="#375">375</a> 
-<a class="jxr_linenumber" name="376" href="#376">376</a>         @Override
-<a class="jxr_linenumber" name="377" href="#377">377</a>         <strong class="jxr_keyword">public</strong> String call() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="378" href="#378">378</a>         {
-<a class="jxr_linenumber" name="379" href="#379">379</a>           <strong class="jxr_keyword">return</strong> _connection.create(path, bytes, mode);
-<a class="jxr_linenumber" name="380" href="#380">380</a>         }
-<a class="jxr_linenumber" name="381" href="#381">381</a>       });
-<a class="jxr_linenumber" name="382" href="#382">382</a>     }
-<a class="jxr_linenumber" name="383" href="#383">383</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="384" href="#384">384</a>     {
-<a class="jxr_linenumber" name="385" href="#385">385</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
-<a class="jxr_linenumber" name="386" href="#386">386</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="387" href="#387">387</a>       {
-<a class="jxr_linenumber" name="388" href="#388">388</a>         LOG.debug(<span class="jxr_string">"create, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
-<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>   }
-<a class="jxr_linenumber" name="392" href="#392">392</a> 
-<a class="jxr_linenumber" name="393" href="#393">393</a>   @Override
-<a class="jxr_linenumber" name="394" href="#394">394</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> delete(<strong class="jxr_keyword">final</strong> String path)
-<a class="jxr_linenumber" name="395" href="#395">395</a>   {
-<a class="jxr_linenumber" name="396" href="#396">396</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
-<a class="jxr_linenumber" name="397" href="#397">397</a>     <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="398" href="#398">398</a>     {
-<a class="jxr_linenumber" name="399" href="#399">399</a>       <strong class="jxr_keyword">try</strong>
-<a class="jxr_linenumber" name="400" href="#400">400</a>       {
-<a class="jxr_linenumber" name="401" href="#401">401</a>         retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Object&gt;()
-<a class="jxr_linenumber" name="402" href="#402">402</a>         {
-<a class="jxr_linenumber" name="403" href="#403">403</a> 
-<a class="jxr_linenumber" name="404" href="#404">404</a>           @Override
-<a class="jxr_linenumber" name="405" href="#405">405</a>           <strong class="jxr_keyword">public</strong> Object call() <strong class="jxr_keyword">throws</strong> Exception
-<a class="jxr_linenumber" name="406" href="#406">406</a>           {
-<a class="jxr_linenumber" name="407" href="#407">407</a>             _connection.delete(path);
-<a class="jxr_linenumber" name="408" href="#408">408</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="409" href="#409">409</a>           }
-<a class="jxr_linenumber" name="410" href="#410">410</a>         });
-<a class="jxr_linenumber" name="411" href="#411">411</a> 
-<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>       <strong class="jxr_keyword">catch</strong> (ZkNoNodeException e)
-<a class="jxr_linenumber" name="415" href="#415">415</a>       {
-<a class="jxr_linenumber" name="416" href="#416">416</a>         <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="417" href="#417">417</a>       }
-<a class="jxr_linenumber" name="418" href="#418">418</a>     }
-<a class="jxr_linenumber" name="419" href="#419">419</a>     <strong class="jxr_keyword">finally</strong>
-<a class="jxr_linenumber" name="420" href="#420">420</a>     {
-<a class="jxr_linenumber" name="421" href="#421">421</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
-<a class="jxr_linenumber" name="422" href="#422">422</a>       <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="423" href="#423">423</a>       {
-<a class="jxr_linenumber" name="424" href="#424">424</a>         LOG.debug(<span class="jxr_string">"delete, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
-<a class="jxr_linenumber" name="425" href="#425">425</a>       }
-<a class="jxr_linenumber" name="426" href="#426">426</a>     }
-<a class="jxr_linenumber" name="427" href="#427">427</a>   }
-<a class="jxr_linenumber" name="428" href="#428">428</a> 
-<a class="jxr_linenumber" name="429" href="#429">429</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncCreate(<strong class="jxr_keyword">final</strong> String path,
-<a class="jxr_linenumber" name="430" href="#430">430</a>                           Object datat,
-<a class="jxr_linenumber" name="431" href="#431">431</a>                           CreateMode mode,
-<a class="jxr_linenumber" name="432" href="#432">432</a>                           <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">CreateCallbackHandler</a> cb)
-<a class="jxr_linenumber" name="433" href="#433">433</a>   {
-<a class="jxr_linenumber" name="434" href="#434">434</a>     byte[] data = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="435" href="#435">435</a>     <strong class="jxr_keyword">if</strong> (datat != <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="436" href="#436">436</a>     {
-<a class="jxr_linenumber" name="437" href="#437">437</a>       data = serialize(datat, path);
-<a class="jxr_linenumber" name="438" href="#438">438</a>     }
-<a class="jxr_linenumber" name="439" href="#439">439</a>     ((ZkConnection) _connection).getZookeeper().create(path, data, Ids.OPEN_ACL_UNSAFE, <em class="jxr_comment">// Arrays.asList(DEFAULT_ACL),</em>
-<a class="jxr_linenumber" name="440" href="#440">440</a>                                                        mode,
-<a class="jxr_linenumber" name="441" href="#441">441</a>                                                        cb,
-<a class="jxr_linenumber" name="442" href="#442">442</a>                                                        <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="443" href="#443">443</a>   }
-<a class="jxr_linenumber" name="444" href="#444">444</a> 
-<a class="jxr_linenumber" name="445" href="#445">445</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncSetData(<strong class="jxr_keyword">final</strong> String path,
-<a class="jxr_linenumber" name="446" href="#446">446</a>                            Object datat,
-<a class="jxr_linenumber" name="447" href="#447">447</a>                            <strong class="jxr_keyword">int</strong> version,
-<a class="jxr_linenumber" name="448" href="#448">448</a>                            <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">SetDataCallbackHandler</a> cb)
-<a class="jxr_linenumber" name="449" href="#449">449</a>   {
-<a class="jxr_linenumber" name="450" href="#450">450</a>     <strong class="jxr_keyword">final</strong> byte[] data = serialize(datat, path);
-<a class="jxr_linenumber" name="451" href="#451">451</a>     ((ZkConnection) _connection).getZookeeper().setData(path, data, version, cb, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="452" href="#452">452</a> 
-<a class="jxr_linenumber" name="453" href="#453">453</a>   }
+<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">if</strong>(LOG.isTraceEnabled()){
+<a class="jxr_linenumber" name="68" href="#68">68</a>        StackTraceElement[] calls = Thread.currentThread().getStackTrace();
+<a class="jxr_linenumber" name="69" href="#69">69</a>        LOG.info(<span class="jxr_string">"create a new zkclient. "</span> + Arrays.asList(calls));
+<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>  
+<a class="jxr_linenumber" name="73" href="#73">73</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(IZkConnection connection, <strong class="jxr_keyword">int</strong> connectionTimeout,
+<a class="jxr_linenumber" name="74" href="#74">74</a>                    ZkSerializer zkSerializer)
+<a class="jxr_linenumber" name="75" href="#75">75</a>    {
+<a class="jxr_linenumber" name="76" href="#76">76</a>      <strong class="jxr_keyword">this</strong>(connection, connectionTimeout, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/manager/zk/BasicZkSerializer.html">BasicZkSerializer</a>(zkSerializer));
+<a class="jxr_linenumber" name="77" href="#77">77</a>    }
+<a class="jxr_linenumber" name="78" href="#78">78</a>  
+<a class="jxr_linenumber" name="79" href="#79">79</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(IZkConnection connection, <strong class="jxr_keyword">int</strong> connectionTimeout)
+<a class="jxr_linenumber" name="80" href="#80">80</a>    {
+<a class="jxr_linenumber" name="81" href="#81">81</a>      <strong class="jxr_keyword">this</strong>(connection, connectionTimeout, <strong class="jxr_keyword">new</strong> SerializableSerializer());
+<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>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(IZkConnection connection)
+<a class="jxr_linenumber" name="85" href="#85">85</a>    {
+<a class="jxr_linenumber" name="86" href="#86">86</a>      <strong class="jxr_keyword">this</strong>(connection, Integer.MAX_VALUE, <strong class="jxr_keyword">new</strong> SerializableSerializer());
+<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> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> sessionTimeout, <strong class="jxr_keyword">int</strong> connectionTimeout,
+<a class="jxr_linenumber" name="90" href="#90">90</a>                    ZkSerializer zkSerializer)
+<a class="jxr_linenumber" name="91" href="#91">91</a>    {
+<a class="jxr_linenumber" name="92" href="#92">92</a>      <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer);
+<a class="jxr_linenumber" name="93" href="#93">93</a>    }
+<a class="jxr_linenumber" name="94" href="#94">94</a>  
+<a class="jxr_linenumber" name="95" href="#95">95</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> sessionTimeout, <strong class="jxr_keyword">int</strong> connectionTimeout,
+<a class="jxr_linenumber" name="96" href="#96">96</a>                    <a href="../../../../../org/apache/helix/manager/zk/PathBasedZkSerializer.html">PathBasedZkSerializer</a> zkSerializer)
+<a class="jxr_linenumber" name="97" href="#97">97</a>    {
+<a class="jxr_linenumber" name="98" href="#98">98</a>      <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers, sessionTimeout), connectionTimeout, zkSerializer);
+<a class="jxr_linenumber" name="99" href="#99">99</a>    }
+<a class="jxr_linenumber" name="100" href="#100">100</a> 
+<a class="jxr_linenumber" name="101" href="#101">101</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> sessionTimeout, <strong class="jxr_keyword">int</strong> connectionTimeout)
+<a class="jxr_linenumber" name="102" href="#102">102</a>   {
+<a class="jxr_linenumber" name="103" href="#103">103</a>     <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers, sessionTimeout),
+<a class="jxr_linenumber" name="104" href="#104">104</a>          connectionTimeout,
+<a class="jxr_linenumber" name="105" href="#105">105</a>          <strong class="jxr_keyword">new</strong> SerializableSerializer());
+<a class="jxr_linenumber" name="106" href="#106">106</a>   }
+<a class="jxr_linenumber" name="107" href="#107">107</a> 
+<a class="jxr_linenumber" name="108" href="#108">108</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers, <strong class="jxr_keyword">int</strong> connectionTimeout)
+<a class="jxr_linenumber" name="109" href="#109">109</a>   {
+<a class="jxr_linenumber" name="110" href="#110">110</a>     <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers), connectionTimeout, <strong class="jxr_keyword">new</strong> SerializableSerializer());
+<a class="jxr_linenumber" name="111" href="#111">111</a>   }
+<a class="jxr_linenumber" name="112" href="#112">112</a> 
+<a class="jxr_linenumber" name="113" href="#113">113</a>   <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/helix/manager/zk/ZkClient.html">ZkClient</a>(String zkServers)
+<a class="jxr_linenumber" name="114" href="#114">114</a>   {
+<a class="jxr_linenumber" name="115" href="#115">115</a>     <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">new</strong> ZkConnection(zkServers), Integer.MAX_VALUE, <strong class="jxr_keyword">new</strong> SerializableSerializer());
+<a class="jxr_linenumber" name="116" href="#116">116</a>   }
+<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>   }
+<a class="jxr_linenumber" name="120" href="#120">120</a> 
+<a class="jxr_linenumber" name="121" href="#121">121</a>   @Override
+<a class="jxr_linenumber" name="122" href="#122">122</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setZkSerializer(ZkSerializer zkSerializer)
+<a class="jxr_linenumber" name="123" href="#123">123</a>   {
+<a class="jxr_linenumber" name="124" href="#124">124</a>     _zkSerializer = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/helix/manager/zk/BasicZkSerializer.html">BasicZkSerializer</a>(zkSerializer);
+<a class="jxr_linenumber" name="125" href="#125">125</a>   }
+<a class="jxr_linenumber" name="126" href="#126">126</a> 
+<a class="jxr_linenumber" name="127" href="#127">127</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setZkSerializer(<a href="../../../../../org/apache/helix/manager/zk/PathBasedZkSerializer.html">PathBasedZkSerializer</a> zkSerializer)
+<a class="jxr_linenumber" name="128" href="#128">128</a>   {
+<a class="jxr_linenumber" name="129" href="#129">129</a>     _zkSerializer = zkSerializer;
+<a class="jxr_linenumber" name="130" href="#130">130</a>   }
+<a class="jxr_linenumber" name="131" href="#131">131</a> 
+<a class="jxr_linenumber" name="132" href="#132">132</a>   <strong class="jxr_keyword">public</strong> IZkConnection getConnection()
+<a class="jxr_linenumber" name="133" href="#133">133</a>   {
+<a class="jxr_linenumber" name="134" href="#134">134</a>     <strong class="jxr_keyword">return</strong> _connection;
+<a class="jxr_linenumber" name="135" href="#135">135</a>   }
+<a class="jxr_linenumber" name="136" href="#136">136</a> 
+<a class="jxr_linenumber" name="137" href="#137">137</a>   @Override
+<a class="jxr_linenumber" name="138" href="#138">138</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> ZkInterruptedException
+<a class="jxr_linenumber" name="139" href="#139">139</a>   {
+<a class="jxr_linenumber" name="140" href="#140">140</a>     <strong class="jxr_keyword">if</strong>(LOG.isTraceEnabled()){
+<a class="jxr_linenumber" name="141" href="#141">141</a>       StackTraceElement[] calls = Thread.currentThread().getStackTrace();
+<a class="jxr_linenumber" name="142" href="#142">142</a>       LOG.trace(<span class="jxr_string">"closing a zkclient. zookeeper: "</span>
+<a class="jxr_linenumber" name="143" href="#143">143</a>           + (_connection == <strong class="jxr_keyword">null</strong> ? <span class="jxr_string">"null"</span> : ((ZkConnection) _connection).getZookeeper())
+<a class="jxr_linenumber" name="144" href="#144">144</a>           + <span class="jxr_string">", callStack: "</span> + Arrays.asList(calls));
+<a class="jxr_linenumber" name="145" href="#145">145</a>     }
+<a class="jxr_linenumber" name="146" href="#146">146</a>     <strong class="jxr_keyword">super</strong>.close();
+<a class="jxr_linenumber" name="147" href="#147">147</a>   }
+<a class="jxr_linenumber" name="148" href="#148">148</a> 
+<a class="jxr_linenumber" name="149" href="#149">149</a>   <strong class="jxr_keyword">public</strong> Stat getStat(<strong class="jxr_keyword">final</strong> String path)
+<a class="jxr_linenumber" name="150" href="#150">150</a>   {
+<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
+<a class="jxr_linenumber" name="152" href="#152">152</a> 
+<a class="jxr_linenumber" name="153" href="#153">153</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="154" href="#154">154</a>     {
+<a class="jxr_linenumber" name="155" href="#155">155</a>       Stat stat = retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Stat&gt;()
+<a class="jxr_linenumber" name="156" href="#156">156</a>       {
+<a class="jxr_linenumber" name="157" href="#157">157</a> 
+<a class="jxr_linenumber" name="158" href="#158">158</a>         @Override
+<a class="jxr_linenumber" name="159" href="#159">159</a>         <strong class="jxr_keyword">public</strong> Stat call() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="160" href="#160">160</a>         {
+<a class="jxr_linenumber" name="161" href="#161">161</a>           Stat stat = ((ZkConnection) _connection).getZookeeper().exists(path, false);
+<a class="jxr_linenumber" name="162" href="#162">162</a>           <strong class="jxr_keyword">return</strong> stat;
+<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>       <strong class="jxr_keyword">return</strong> stat;
+<a class="jxr_linenumber" name="167" href="#167">167</a>     }
+<a class="jxr_linenumber" name="168" href="#168">168</a>     <strong class="jxr_keyword">finally</strong>
+<a class="jxr_linenumber" name="169" href="#169">169</a>     {
+<a class="jxr_linenumber" name="170" href="#170">170</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
+<a class="jxr_linenumber" name="171" href="#171">171</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="172" href="#172">172</a>       {
+<a class="jxr_linenumber" name="173" href="#173">173</a>         LOG.trace(<span class="jxr_string">"exists, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
+<a class="jxr_linenumber" name="174" href="#174">174</a>       }
+<a class="jxr_linenumber" name="175" href="#175">175</a>     }
+<a class="jxr_linenumber" name="176" href="#176">176</a>   }
+<a class="jxr_linenumber" name="177" href="#177">177</a> 
+<a class="jxr_linenumber" name="178" href="#178">178</a>   <em class="jxr_comment">// override exists(path, watch), so we can record all exists requests</em>
+<a class="jxr_linenumber" name="179" href="#179">179</a>   @Override
+<a class="jxr_linenumber" name="180" href="#180">180</a>   <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> exists(<strong class="jxr_keyword">final</strong> String path, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> watch)
+<a class="jxr_linenumber" name="181" href="#181">181</a>   {
+<a class="jxr_linenumber" name="182" href="#182">182</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
+<a class="jxr_linenumber" name="183" href="#183">183</a> 
+<a class="jxr_linenumber" name="184" href="#184">184</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="185" href="#185">185</a>     {
+<a class="jxr_linenumber" name="186" href="#186">186</a>       <strong class="jxr_keyword">return</strong> retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Boolean&gt;()
+<a class="jxr_linenumber" name="187" href="#187">187</a>       {
+<a class="jxr_linenumber" name="188" href="#188">188</a>         @Override
+<a class="jxr_linenumber" name="189" href="#189">189</a>         <strong class="jxr_keyword">public</strong> Boolean call() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="190" href="#190">190</a>         {
+<a class="jxr_linenumber" name="191" href="#191">191</a>           <strong class="jxr_keyword">return</strong> _connection.exists(path, watch);
+<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">finally</strong>
+<a class="jxr_linenumber" name="196" href="#196">196</a>     {
+<a class="jxr_linenumber" name="197" href="#197">197</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
+<a class="jxr_linenumber" name="198" href="#198">198</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="199" href="#199">199</a>       {
+<a class="jxr_linenumber" name="200" href="#200">200</a>         LOG.trace(<span class="jxr_string">"exists, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
+<a class="jxr_linenumber" name="201" href="#201">201</a>       }
+<a class="jxr_linenumber" name="202" href="#202">202</a>     }
+<a class="jxr_linenumber" name="203" href="#203">203</a>   }
+<a class="jxr_linenumber" name="204" href="#204">204</a> 
+<a class="jxr_linenumber" name="205" href="#205">205</a>   <em class="jxr_comment">// override getChildren(path, watch), so we can record all getChildren requests</em>
+<a class="jxr_linenumber" name="206" href="#206">206</a>   @Override
+<a class="jxr_linenumber" name="207" href="#207">207</a>   <strong class="jxr_keyword">protected</strong> List&lt;String&gt; getChildren(<strong class="jxr_keyword">final</strong> String path, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> watch)
+<a class="jxr_linenumber" name="208" href="#208">208</a>   {
+<a class="jxr_linenumber" name="209" href="#209">209</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
+<a class="jxr_linenumber" name="210" href="#210">210</a> 
+<a class="jxr_linenumber" name="211" href="#211">211</a>     <strong class="jxr_keyword">try</strong>
+<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> retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;List&lt;String&gt;&gt;()
+<a class="jxr_linenumber" name="214" href="#214">214</a>       {
+<a class="jxr_linenumber" name="215" href="#215">215</a>         @Override
+<a class="jxr_linenumber" name="216" href="#216">216</a>         <strong class="jxr_keyword">public</strong> List&lt;String&gt; call() <strong class="jxr_keyword">throws</strong> Exception
+<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> _connection.getChildren(path, watch);
+<a class="jxr_linenumber" name="219" href="#219">219</a>         }
+<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>     <strong class="jxr_keyword">finally</strong>
+<a class="jxr_linenumber" name="223" href="#223">223</a>     {
+<a class="jxr_linenumber" name="224" href="#224">224</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
+<a class="jxr_linenumber" name="225" href="#225">225</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="226" href="#226">226</a>       {
+<a class="jxr_linenumber" name="227" href="#227">227</a>         LOG.trace(<span class="jxr_string">"getChildren, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
+<a class="jxr_linenumber" name="228" href="#228">228</a>       }
+<a class="jxr_linenumber" name="229" href="#229">229</a>     }
+<a class="jxr_linenumber" name="230" href="#230">230</a>   }
+<a class="jxr_linenumber" name="231" href="#231">231</a> 
+<a class="jxr_linenumber" name="232" href="#232">232</a>   @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="233" href="#233">233</a>   <strong class="jxr_keyword">public</strong> &lt;T <strong class="jxr_keyword">extends</strong> Object&gt; T deserialize(byte[] data, String path)
+<a class="jxr_linenumber" name="234" href="#234">234</a>   {
+<a class="jxr_linenumber" name="235" href="#235">235</a>     <strong class="jxr_keyword">if</strong> (data == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="236" href="#236">236</a>     {
+<a class="jxr_linenumber" name="237" href="#237">237</a>       <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="238" href="#238">238</a>     }
+<a class="jxr_linenumber" name="239" href="#239">239</a>     <strong class="jxr_keyword">return</strong> (T) _zkSerializer.deserialize(data, path);
+<a class="jxr_linenumber" name="240" href="#240">240</a>   }
+<a class="jxr_linenumber" name="241" href="#241">241</a> 
+<a class="jxr_linenumber" name="242" href="#242">242</a>   <em class="jxr_comment">// override readData(path, stat, watch), so we can record all read requests</em>
+<a class="jxr_linenumber" name="243" href="#243">243</a>   @Override
+<a class="jxr_linenumber" name="244" href="#244">244</a>   @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="245" href="#245">245</a>   <strong class="jxr_keyword">protected</strong> &lt;T <strong class="jxr_keyword">extends</strong> Object&gt; T readData(<strong class="jxr_keyword">final</strong> String path,
+<a class="jxr_linenumber" name="246" href="#246">246</a>                                           <strong class="jxr_keyword">final</strong> Stat stat,
+<a class="jxr_linenumber" name="247" href="#247">247</a>                                           <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> watch)
+<a class="jxr_linenumber" name="248" href="#248">248</a>   {
+<a class="jxr_linenumber" name="249" href="#249">249</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
+<a class="jxr_linenumber" name="250" href="#250">250</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="251" href="#251">251</a>     {
+<a class="jxr_linenumber" name="252" href="#252">252</a>       byte[] data = retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;byte[]&gt;()
+<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>         @Override
+<a class="jxr_linenumber" name="256" href="#256">256</a>         <strong class="jxr_keyword">public</strong> byte[] call() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="257" href="#257">257</a>         {
+<a class="jxr_linenumber" name="258" href="#258">258</a>           <strong class="jxr_keyword">return</strong> _connection.readData(path, stat, watch);
+<a class="jxr_linenumber" name="259" href="#259">259</a>         }
+<a class="jxr_linenumber" name="260" href="#260">260</a>       });
+<a class="jxr_linenumber" name="261" href="#261">261</a>       <strong class="jxr_keyword">return</strong> (T) deserialize(data, path);
+<a class="jxr_linenumber" name="262" href="#262">262</a>     }
+<a class="jxr_linenumber" name="263" href="#263">263</a>     <strong class="jxr_keyword">finally</strong>
+<a class="jxr_linenumber" name="264" href="#264">264</a>     {
+<a class="jxr_linenumber" name="265" href="#265">265</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
+<a class="jxr_linenumber" name="266" href="#266">266</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="267" href="#267">267</a>       {
+<a class="jxr_linenumber" name="268" href="#268">268</a>         LOG.trace(<span class="jxr_string">"getData, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
+<a class="jxr_linenumber" name="269" href="#269">269</a>       }
+<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>   @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="274" href="#274">274</a>   <strong class="jxr_keyword">public</strong> &lt;T <strong class="jxr_keyword">extends</strong> Object&gt; T readDataAndStat(String path,
+<a class="jxr_linenumber" name="275" href="#275">275</a>                                               Stat stat,
+<a class="jxr_linenumber" name="276" href="#276">276</a>                                               <strong class="jxr_keyword">boolean</strong> returnNullIfPathNotExists)
+<a class="jxr_linenumber" name="277" href="#277">277</a>   {
+<a class="jxr_linenumber" name="278" href="#278">278</a>     T data = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="279" href="#279">279</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="280" href="#280">280</a>     {
+<a class="jxr_linenumber" name="281" href="#281">281</a>       data = (T) <strong class="jxr_keyword">super</strong>.readData(path, stat);
+<a class="jxr_linenumber" name="282" href="#282">282</a>     }
+<a class="jxr_linenumber" name="283" href="#283">283</a>     <strong class="jxr_keyword">catch</strong> (ZkNoNodeException e)
+<a class="jxr_linenumber" name="284" href="#284">284</a>     {
+<a class="jxr_linenumber" name="285" href="#285">285</a>       <strong class="jxr_keyword">if</strong> (!returnNullIfPathNotExists)
+<a class="jxr_linenumber" name="286" href="#286">286</a>       {
+<a class="jxr_linenumber" name="287" href="#287">287</a>         <strong class="jxr_keyword">throw</strong> e;
+<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">return</strong> data;
+<a class="jxr_linenumber" name="291" href="#291">291</a>   }
+<a class="jxr_linenumber" name="292" href="#292">292</a> 
+<a class="jxr_linenumber" name="293" href="#293">293</a>   <strong class="jxr_keyword">public</strong> String getServers()
+<a class="jxr_linenumber" name="294" href="#294">294</a>   {
+<a class="jxr_linenumber" name="295" href="#295">295</a>     <strong class="jxr_keyword">return</strong> _connection.getServers();
+<a class="jxr_linenumber" name="296" href="#296">296</a>   }
+<a class="jxr_linenumber" name="297" href="#297">297</a> 
+<a class="jxr_linenumber" name="298" href="#298">298</a>   <strong class="jxr_keyword">public</strong> byte[] serialize(Object data, String path)
+<a class="jxr_linenumber" name="299" href="#299">299</a>   {
+<a class="jxr_linenumber" name="300" href="#300">300</a>     <strong class="jxr_keyword">return</strong> _zkSerializer.serialize(data, path);
+<a class="jxr_linenumber" name="301" href="#301">301</a>   }
+<a class="jxr_linenumber" name="302" href="#302">302</a> 
+<a class="jxr_linenumber" name="303" href="#303">303</a>   @Override
+<a class="jxr_linenumber" name="304" href="#304">304</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> writeData(<strong class="jxr_keyword">final</strong> String path, Object datat, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> expectedVersion)
+<a class="jxr_linenumber" name="305" href="#305">305</a>   {
+<a class="jxr_linenumber" name="306" href="#306">306</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
+<a class="jxr_linenumber" name="307" href="#307">307</a>     <strong class="jxr_keyword">try</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">final</strong> byte[] data = serialize(datat, path);
+<a class="jxr_linenumber" name="310" href="#310">310</a> 
+<a class="jxr_linenumber" name="311" href="#311">311</a>       retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Object&gt;()
+<a class="jxr_linenumber" name="312" href="#312">312</a>       {
+<a class="jxr_linenumber" name="313" href="#313">313</a> 
+<a class="jxr_linenumber" name="314" href="#314">314</a>         @Override
+<a class="jxr_linenumber" name="315" href="#315">315</a>         <strong class="jxr_keyword">public</strong> Object call() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="316" href="#316">316</a>         {
+<a class="jxr_linenumber" name="317" href="#317">317</a>           _connection.writeData(path, data, expectedVersion);
+<a class="jxr_linenumber" name="318" href="#318">318</a>           <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="319" href="#319">319</a>         }
+<a class="jxr_linenumber" name="320" href="#320">320</a>       });
+<a class="jxr_linenumber" name="321" href="#321">321</a>     }
+<a class="jxr_linenumber" name="322" href="#322">322</a>     <strong class="jxr_keyword">finally</strong>
+<a class="jxr_linenumber" name="323" href="#323">323</a>     {
+<a class="jxr_linenumber" name="324" href="#324">324</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
+<a class="jxr_linenumber" name="325" href="#325">325</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="326" href="#326">326</a>       {
+<a class="jxr_linenumber" name="327" href="#327">327</a>         LOG.trace(<span class="jxr_string">"setData, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
+<a class="jxr_linenumber" name="328" href="#328">328</a>       }
+<a class="jxr_linenumber" name="329" href="#329">329</a>     }
+<a class="jxr_linenumber" name="330" href="#330">330</a>   }
+<a class="jxr_linenumber" name="331" href="#331">331</a> 
+<a class="jxr_linenumber" name="332" href="#332">332</a>   <strong class="jxr_keyword">public</strong> Stat writeDataGetStat(<strong class="jxr_keyword">final</strong> String path, Object datat, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> expectedVersion) <strong class="jxr_keyword">throws</strong> InterruptedException
+<a class="jxr_linenumber" name="333" href="#333">333</a>   {
+<a class="jxr_linenumber" name="334" href="#334">334</a>     Stat stat = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="335" href="#335">335</a>     <strong class="jxr_keyword">long</strong> start = System.nanoTime();
+<a class="jxr_linenumber" name="336" href="#336">336</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="337" href="#337">337</a>     {
+<a class="jxr_linenumber" name="338" href="#338">338</a>       byte[] bytes = _zkSerializer.serialize(datat, path);
+<a class="jxr_linenumber" name="339" href="#339">339</a>       stat =
+<a class="jxr_linenumber" name="340" href="#340">340</a>           ((ZkConnection) _connection).getZookeeper().setData(path,
+<a class="jxr_linenumber" name="341" href="#341">341</a>                                                               bytes,
+<a class="jxr_linenumber" name="342" href="#342">342</a>                                                               expectedVersion);
+<a class="jxr_linenumber" name="343" href="#343">343</a>       <strong class="jxr_keyword">return</strong> stat;
+<a class="jxr_linenumber" name="344" href="#344">344</a>     }
+<a class="jxr_linenumber" name="345" href="#345">345</a>     <strong class="jxr_keyword">catch</strong> (KeeperException e)
+<a class="jxr_linenumber" name="346" href="#346">346</a>     {
+<a class="jxr_linenumber" name="347" href="#347">347</a>       <strong class="jxr_keyword">throw</strong> ZkException.create(e);
+<a class="jxr_linenumber" name="348" href="#348">348</a>     }
+<a class="jxr_linenumber" name="349" href="#349">349</a>     <strong class="jxr_keyword">finally</strong>
+<a class="jxr_linenumber" name="350" href="#350">350</a>     {
+<a class="jxr_linenumber" name="351" href="#351">351</a>       <strong class="jxr_keyword">long</strong> end = System.nanoTime();
+<a class="jxr_linenumber" name="352" href="#352">352</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="353" href="#353">353</a>       {
+<a class="jxr_linenumber" name="354" href="#354">354</a>         LOG.trace(<span class="jxr_string">"setData, path: "</span> + path + <span class="jxr_string">", time: "</span> + (end - start) + <span class="jxr_string">" ns"</span>);
+<a class="jxr_linenumber" name="355" href="#355">355</a>       }
+<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>   
+<a class="jxr_linenumber" name="359" href="#359">359</a>   @Override
+<a class="jxr_linenumber" name="360" href="#360">360</a>   <strong class="jxr_keyword">public</strong> String create(<strong class="jxr_keyword">final</strong> String path, Object data, <strong class="jxr_keyword">final</strong> CreateMode mode) <strong class="jxr_keyword">throws</strong> ZkInterruptedException,
+<a class="jxr_linenumber" name="361" href="#361">361</a>       IllegalArgumentException,
+<a class="jxr_linenumber" name="362" href="#362">362</a>       ZkException,
+<a class="jxr_linenumber" name="363" href="#363">363</a>       RuntimeException
+<a class="jxr_linenumber" name="364" href="#364">364</a>   {
+<a class="jxr_linenumber" name="365" href="#365">365</a>     <strong class="jxr_keyword">if</strong> (path == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="366" href="#366">366</a>     {
+<a class="jxr_linenumber" name="367" href="#367">367</a>       <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"path must not be null."</span>);
+<a class="jxr_linenumber" name="368" href="#368">368</a>     }
+<a class="jxr_linenumber" name="369" href="#369">369</a> 
+<a class="jxr_linenumber" name="370" href="#370">370</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
+<a class="jxr_linenumber" name="371" href="#371">371</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="372" href="#372">372</a>     {
+<a class="jxr_linenumber" name="373" href="#373">373</a>       <strong class="jxr_keyword">final</strong> byte[] bytes = data == <strong class="jxr_keyword">null</strong> ? <strong class="jxr_keyword">null</strong> : serialize(data, path);
+<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> retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;String&gt;()
+<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>         @Override
+<a class="jxr_linenumber" name="379" href="#379">379</a>         <strong class="jxr_keyword">public</strong> String call() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="380" href="#380">380</a>         {
+<a class="jxr_linenumber" name="381" href="#381">381</a>           <strong class="jxr_keyword">return</strong> _connection.create(path, bytes, mode);
+<a class="jxr_linenumber" name="382" href="#382">382</a>         }
+<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">finally</strong>
+<a class="jxr_linenumber" name="386" href="#386">386</a>     {
+<a class="jxr_linenumber" name="387" href="#387">387</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
+<a class="jxr_linenumber" name="388" href="#388">388</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="389" href="#389">389</a>       {
+<a class="jxr_linenumber" name="390" href="#390">390</a>         LOG.trace(<span class="jxr_string">"create, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
+<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>   }
+<a class="jxr_linenumber" name="394" href="#394">394</a> 
+<a class="jxr_linenumber" name="395" href="#395">395</a>   @Override
+<a class="jxr_linenumber" name="396" href="#396">396</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> delete(<strong class="jxr_keyword">final</strong> String path)
+<a class="jxr_linenumber" name="397" href="#397">397</a>   {
+<a class="jxr_linenumber" name="398" href="#398">398</a>     <strong class="jxr_keyword">long</strong> startT = System.nanoTime();
+<a class="jxr_linenumber" name="399" href="#399">399</a>     <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="400" href="#400">400</a>     {
+<a class="jxr_linenumber" name="401" href="#401">401</a>       <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="402" href="#402">402</a>       {
+<a class="jxr_linenumber" name="403" href="#403">403</a>         retryUntilConnected(<strong class="jxr_keyword">new</strong> Callable&lt;Object&gt;()
+<a class="jxr_linenumber" name="404" href="#404">404</a>         {
+<a class="jxr_linenumber" name="405" href="#405">405</a> 
+<a class="jxr_linenumber" name="406" href="#406">406</a>           @Override
+<a class="jxr_linenumber" name="407" href="#407">407</a>           <strong class="jxr_keyword">public</strong> Object call() <strong class="jxr_keyword">throws</strong> Exception
+<a class="jxr_linenumber" name="408" href="#408">408</a>           {
+<a class="jxr_linenumber" name="409" href="#409">409</a>             _connection.delete(path);
+<a class="jxr_linenumber" name="410" href="#410">410</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="411" href="#411">411</a>           }
+<a class="jxr_linenumber" name="412" href="#412">412</a>         });
+<a class="jxr_linenumber" name="413" href="#413">413</a> 
+<a class="jxr_linenumber" name="414" href="#414">414</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="415" href="#415">415</a>       }
+<a class="jxr_linenumber" name="416" href="#416">416</a>       <strong class="jxr_keyword">catch</strong> (ZkNoNodeException e)
+<a class="jxr_linenumber" name="417" href="#417">417</a>       {
+<a class="jxr_linenumber" name="418" href="#418">418</a>         <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="419" href="#419">419</a>       }
+<a class="jxr_linenumber" name="420" href="#420">420</a>     }
+<a class="jxr_linenumber" name="421" href="#421">421</a>     <strong class="jxr_keyword">finally</strong>
+<a class="jxr_linenumber" name="422" href="#422">422</a>     {
+<a class="jxr_linenumber" name="423" href="#423">423</a>       <strong class="jxr_keyword">long</strong> endT = System.nanoTime();
+<a class="jxr_linenumber" name="424" href="#424">424</a>       <strong class="jxr_keyword">if</strong> (LOG.isTraceEnabled())
+<a class="jxr_linenumber" name="425" href="#425">425</a>       {
+<a class="jxr_linenumber" name="426" href="#426">426</a>         LOG.trace(<span class="jxr_string">"delete, path: "</span> + path + <span class="jxr_string">", time: "</span> + (endT - startT) + <span class="jxr_string">" ns"</span>);
+<a class="jxr_linenumber" name="427" href="#427">427</a>       }
+<a class="jxr_linenumber" name="428" href="#428">428</a>     }
+<a class="jxr_linenumber" name="429" href="#429">429</a>   }
+<a class="jxr_linenumber" name="430" href="#430">430</a> 
+<a class="jxr_linenumber" name="431" href="#431">431</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncCreate(<strong class="jxr_keyword">final</strong> String path,
+<a class="jxr_linenumber" name="432" href="#432">432</a>                           Object datat,
+<a class="jxr_linenumber" name="433" href="#433">433</a>                           CreateMode mode,
+<a class="jxr_linenumber" name="434" href="#434">434</a>                           <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">CreateCallbackHandler</a> cb)
+<a class="jxr_linenumber" name="435" href="#435">435</a>   {
+<a class="jxr_linenumber" name="436" href="#436">436</a>     byte[] data = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="437" href="#437">437</a>     <strong class="jxr_keyword">if</strong> (datat != <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="438" href="#438">438</a>     {
+<a class="jxr_linenumber" name="439" href="#439">439</a>       data = serialize(datat, path);
+<a class="jxr_linenumber" name="440" href="#440">440</a>     }
+<a class="jxr_linenumber" name="441" href="#441">441</a>     ((ZkConnection) _connection).getZookeeper().create(path, data, Ids.OPEN_ACL_UNSAFE, <em class="jxr_comment">// Arrays.asList(DEFAULT_ACL),</em>
+<a class="jxr_linenumber" name="442" href="#442">442</a>                                                        mode,
+<a class="jxr_linenumber" name="443" href="#443">443</a>                                                        cb,
+<a class="jxr_linenumber" name="444" href="#444">444</a>                                                        <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="445" href="#445">445</a>   }
+<a class="jxr_linenumber" name="446" href="#446">446</a> 
+<a class="jxr_linenumber" name="447" href="#447">447</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncSetData(<strong class="jxr_keyword">final</strong> String path,
+<a class="jxr_linenumber" name="448" href="#448">448</a>                            Object datat,
+<a class="jxr_linenumber" name="449" href="#449">449</a>                            <strong class="jxr_keyword">int</strong> version,
+<a class="jxr_linenumber" name="450" href="#450">450</a>                            <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">SetDataCallbackHandler</a> cb)
+<a class="jxr_linenumber" name="451" href="#451">451</a>   {
+<a class="jxr_linenumber" name="452" href="#452">452</a>     <strong class="jxr_keyword">final</strong> byte[] data = serialize(datat, path);
+<a class="jxr_linenumber" name="453" href="#453">453</a>     ((ZkConnection) _connection).getZookeeper().setData(path, data, version, cb, <strong class="jxr_keyword">null</strong>);
 <a class="jxr_linenumber" name="454" href="#454">454</a> 
-<a class="jxr_linenumber" name="455" href="#455">455</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncGetData(<strong class="jxr_keyword">final</strong> String path, <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">GetDataCallbackHandler</a> cb)
-<a class="jxr_linenumber" name="456" href="#456">456</a>   {
-<a class="jxr_linenumber" name="457" href="#457">457</a>     ((ZkConnection) _connection).getZookeeper().getData(path, <strong class="jxr_keyword">null</strong>, cb, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="458" href="#458">458</a>   }
-<a class="jxr_linenumber" name="459" href="#459">459</a> 
-<a class="jxr_linenumber" name="460" href="#460">460</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncExists(<strong class="jxr_keyword">final</strong> String path, <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">ExistsCallbackHandler</a> cb)
-<a class="jxr_linenumber" name="461" href="#461">461</a>   {
-<a class="jxr_linenumber" name="462" href="#462">462</a>     ((ZkConnection) _connection).getZookeeper().exists(path, <strong class="jxr_keyword">null</strong>, cb, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="463" href="#463">463</a> 
-<a class="jxr_linenumber" name="464" href="#464">464</a>   }
+<a class="jxr_linenumber" name="455" href="#455">455</a>   }
+<a class="jxr_linenumber" name="456" href="#456">456</a> 
+<a class="jxr_linenumber" name="457" href="#457">457</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncGetData(<strong class="jxr_keyword">final</strong> String path, <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">GetDataCallbackHandler</a> cb)
+<a class="jxr_linenumber" name="458" href="#458">458</a>   {
+<a class="jxr_linenumber" name="459" href="#459">459</a>     ((ZkConnection) _connection).getZookeeper().getData(path, <strong class="jxr_keyword">null</strong>, cb, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="460" href="#460">460</a>   }
+<a class="jxr_linenumber" name="461" href="#461">461</a> 
+<a class="jxr_linenumber" name="462" href="#462">462</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncExists(<strong class="jxr_keyword">final</strong> String path, <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">ExistsCallbackHandler</a> cb)
+<a class="jxr_linenumber" name="463" href="#463">463</a>   {
+<a class="jxr_linenumber" name="464" href="#464">464</a>     ((ZkConnection) _connection).getZookeeper().exists(path, <strong class="jxr_keyword">null</strong>, cb, <strong class="jxr_keyword">null</strong>);
 <a class="jxr_linenumber" name="465" href="#465">465</a> 
-<a class="jxr_linenumber" name="466" href="#466">466</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncDelete(String path, <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">DeleteCallbackHandler</a> cb)
-<a class="jxr_linenumber" name="467" href="#467">467</a>   {
-<a class="jxr_linenumber" name="468" href="#468">468</a>     ((ZkConnection) _connection).getZookeeper().delete(path, -1, cb, <strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="469" href="#469">469</a>   }
-<a class="jxr_linenumber" name="470" href="#470">470</a> 
-<a class="jxr_linenumber" name="471" href="#471">471</a> }
+<a class="jxr_linenumber" name="466" href="#466">466</a>   }
+<a class="jxr_linenumber" name="467" href="#467">467</a> 
+<a class="jxr_linenumber" name="468" href="#468">468</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> asyncDelete(String path, <a href="../../../../../org/apache/helix/manager/zk/ZkAsyncCallbacks.html">DeleteCallbackHandler</a> cb)
+<a class="jxr_linenumber" name="469" href="#469">469</a>   {
+<a class="jxr_linenumber" name="470" href="#470">470</a>     ((ZkConnection) _connection).getZookeeper().delete(path, -1, cb, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="471" href="#471">471</a>   }
+<a class="jxr_linenumber" name="472" href="#472">472</a> 
+<a class="jxr_linenumber" name="473" href="#473">473</a> }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
 </html>



Mime
View raw message