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From git-site-r...@apache.org
Subject [03/37] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Sat, 15 Apr 2017 14:58:29 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a949969b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureMetrics.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureMetrics.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureMetrics.html
new file mode 100644
index 0000000..7406ba1
--- /dev/null
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureMetrics.html
@@ -0,0 +1,326 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span><a name="line.18"></a>
+<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.procedure2;<a name="line.19"></a>
+<span class="sourceLineNo">020</span><a name="line.20"></a>
+<span class="sourceLineNo">021</span>import org.apache.commons.logging.Log;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import org.apache.commons.logging.LogFactory;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.hadoop.fs.FileSystem;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.fs.Path;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.HBaseCommonTestingUtility;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.junit.After;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.junit.Before;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.junit.Test;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.junit.experimental.categories.Category;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.io.IOException;<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span>import static org.junit.Assert.assertEquals;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import static org.junit.Assert.assertNotEquals;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import static org.junit.Assert.assertTrue;<a name="line.38"></a>
+<span class="sourceLineNo">039</span><a name="line.39"></a>
+<span class="sourceLineNo">040</span>@Category({MasterTests.class, SmallTests.class})<a name="line.40"></a>
+<span class="sourceLineNo">041</span>public class TestProcedureMetrics {<a name="line.41"></a>
+<span class="sourceLineNo">042</span>  private static final Log LOG = LogFactory.getLog(TestProcedureMetrics.class);<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span>  private static final int PROCEDURE_EXECUTOR_SLOTS = 1;<a name="line.44"></a>
+<span class="sourceLineNo">045</span><a name="line.45"></a>
+<span class="sourceLineNo">046</span>  private TestProcEnv procEnv;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>  private static ProcedureExecutor&lt;TestProcEnv&gt; procExecutor;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>  private ProcedureStore procStore;<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span>  private HBaseCommonTestingUtility htu;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>  private FileSystem fs;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>  private Path testDir;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>  private Path logDir;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>  private static int beginCount = 0;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>  private static int successCount = 0;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>  private static int failedCount = 0;<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>  @Before<a name="line.60"></a>
+<span class="sourceLineNo">061</span>  public void setUp() throws IOException {<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    htu = new HBaseCommonTestingUtility();<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    testDir = htu.getDataTestDir();<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    fs = testDir.getFileSystem(htu.getConfiguration());<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    assertTrue(testDir.depth() &gt; 1);<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span>    logDir = new Path(testDir, "proc-logs");<a name="line.67"></a>
+<span class="sourceLineNo">068</span>    procEnv = new TestProcEnv();<a name="line.68"></a>
+<span class="sourceLineNo">069</span>    procStore = ProcedureTestingUtility.createStore(htu.getConfiguration(), fs, logDir);<a name="line.69"></a>
+<span class="sourceLineNo">070</span>    procExecutor = new ProcedureExecutor&lt;TestProcEnv&gt;(htu.getConfiguration(), procEnv, procStore);<a name="line.70"></a>
+<span class="sourceLineNo">071</span>    procExecutor.testing = new ProcedureExecutor.Testing();<a name="line.71"></a>
+<span class="sourceLineNo">072</span>    procStore.start(PROCEDURE_EXECUTOR_SLOTS);<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    procExecutor.start(PROCEDURE_EXECUTOR_SLOTS, true);<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  }<a name="line.74"></a>
+<span class="sourceLineNo">075</span><a name="line.75"></a>
+<span class="sourceLineNo">076</span>  @After<a name="line.76"></a>
+<span class="sourceLineNo">077</span>  public void tearDown() throws IOException {<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    procExecutor.stop();<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    procStore.stop(false);<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    fs.delete(logDir, true);<a name="line.80"></a>
+<span class="sourceLineNo">081</span>  }<a name="line.81"></a>
+<span class="sourceLineNo">082</span><a name="line.82"></a>
+<span class="sourceLineNo">083</span>  @Test<a name="line.83"></a>
+<span class="sourceLineNo">084</span>  public void testMetricForSimpleProcedure() throws Exception {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>    // procedure that executes successfully<a name="line.85"></a>
+<span class="sourceLineNo">086</span>    ProcedureMetrics proc = new ProcedureMetrics(true);<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    long id = ProcedureTestingUtility.submitAndWait(procExecutor, proc);<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    assertNotEquals("ProcId zero!", 0, id);<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    beginCount++;<a name="line.89"></a>
+<span class="sourceLineNo">090</span>    successCount++;<a name="line.90"></a>
+<span class="sourceLineNo">091</span>    ProcedureTestingUtility.waitProcedure(procExecutor, proc);<a name="line.91"></a>
+<span class="sourceLineNo">092</span>    assertEquals("beginCount doesn't match!", beginCount, proc.beginCount);<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    assertEquals("successCount doesn't match!", successCount, proc.successCount);<a name="line.93"></a>
+<span class="sourceLineNo">094</span>    assertEquals("failedCont doesn't match!", failedCount, proc.failedCount);<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  }<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span>  @Test<a name="line.97"></a>
+<span class="sourceLineNo">098</span>  public void testMetricsForFailedProcedure() throws Exception {<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    // procedure that fails<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    ProcedureMetrics proc = new ProcedureMetrics(false);<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    long id = ProcedureTestingUtility.submitAndWait(procExecutor, proc);<a name="line.101"></a>
+<span class="sourceLineNo">102</span>    assertNotEquals("ProcId zero!", 0, id);<a name="line.102"></a>
+<span class="sourceLineNo">103</span>    beginCount++;<a name="line.103"></a>
+<span class="sourceLineNo">104</span>    failedCount++;<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    ProcedureTestingUtility.waitProcedure(procExecutor, proc);<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    assertEquals("beginCount doesn't match!", beginCount, proc.beginCount);<a name="line.106"></a>
+<span class="sourceLineNo">107</span>    assertEquals("successCount doesn't match!", successCount, proc.successCount);<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    assertEquals("failedCont doesn't match!", failedCount, proc.failedCount);<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  }<a name="line.109"></a>
+<span class="sourceLineNo">110</span><a name="line.110"></a>
+<span class="sourceLineNo">111</span>  @Test<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  public void testMetricForYieldProcedure() throws Exception {<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    // procedure that yields<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    ProcedureMetrics proc = new ProcedureMetrics(true, true);<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    long id = ProcedureTestingUtility.submitAndWait(procExecutor, proc);<a name="line.115"></a>
+<span class="sourceLineNo">116</span>    assertNotEquals("ProcId zero!", 0, id);<a name="line.116"></a>
+<span class="sourceLineNo">117</span>    beginCount++;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    successCount++;<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    ProcedureTestingUtility.waitProcedure(procExecutor, proc);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    assertEquals("beginCount doesn't match!", beginCount, proc.beginCount);<a name="line.120"></a>
+<span class="sourceLineNo">121</span>    assertEquals("successCount doesn't match!", successCount, proc.successCount);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    assertEquals("failedCont doesn't match!", failedCount, proc.failedCount);<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>  @Test<a name="line.125"></a>
+<span class="sourceLineNo">126</span>  public void testMetricForFailedYiledProcedure() {<a name="line.126"></a>
+<span class="sourceLineNo">127</span>    // procedure that yields and fails<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    ProcedureMetrics proc = new ProcedureMetrics(false, true);<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    long id = ProcedureTestingUtility.submitAndWait(procExecutor, proc);<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    assertNotEquals("ProcId zero!", 0, id);<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    beginCount++;<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    failedCount++;<a name="line.132"></a>
+<span class="sourceLineNo">133</span>    ProcedureTestingUtility.waitProcedure(procExecutor, proc);<a name="line.133"></a>
+<span class="sourceLineNo">134</span>    assertEquals("beginCount doesn't match!", beginCount, proc.beginCount);<a name="line.134"></a>
+<span class="sourceLineNo">135</span>    assertEquals("successCount doesn't match!", successCount, proc.successCount);<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    assertEquals("failedCont doesn't match!", failedCount, proc.failedCount);<a name="line.136"></a>
+<span class="sourceLineNo">137</span>  }<a name="line.137"></a>
+<span class="sourceLineNo">138</span><a name="line.138"></a>
+<span class="sourceLineNo">139</span>  @Test<a name="line.139"></a>
+<span class="sourceLineNo">140</span>  public void testMetricForProcedureWithChildren() throws Exception {<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    // Procedure that yileds with one of the sub-procedures that fail<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    int subProcCount = 10;<a name="line.142"></a>
+<span class="sourceLineNo">143</span>    int failChildIndex = 2;<a name="line.143"></a>
+<span class="sourceLineNo">144</span>    int yiledChildIndex = -1;<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    ProcedureMetrics[] subprocs = new ProcedureMetrics[subProcCount];<a name="line.145"></a>
+<span class="sourceLineNo">146</span>    for (int i = 0; i &lt; subProcCount; ++i) {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>      subprocs[i] = new ProcedureMetrics(failChildIndex != i, yiledChildIndex == i, 3);<a name="line.147"></a>
+<span class="sourceLineNo">148</span>    }<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>    ProcedureMetrics proc = new ProcedureMetrics(true, true, 3, subprocs);<a name="line.150"></a>
+<span class="sourceLineNo">151</span>    long id = ProcedureTestingUtility.submitAndWait(procExecutor, proc);<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    assertNotEquals("ProcId zero!", 0, id);<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    beginCount += subProcCount + 1;<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    successCount += subProcCount - (failChildIndex + 1);<a name="line.154"></a>
+<span class="sourceLineNo">155</span>    if (failChildIndex &gt;= 0) {<a name="line.155"></a>
+<span class="sourceLineNo">156</span>      failedCount += subProcCount + 1;<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    } else {<a name="line.157"></a>
+<span class="sourceLineNo">158</span>      successCount++;<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    }<a name="line.159"></a>
+<span class="sourceLineNo">160</span>    ProcedureTestingUtility.waitProcedure(procExecutor, proc);<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    assertEquals("beginCount doesn't match!", beginCount, proc.beginCount);<a name="line.161"></a>
+<span class="sourceLineNo">162</span>    assertEquals("successCount doesn't match!", successCount, proc.successCount);<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    assertEquals("failedCont doesn't match!", failedCount, proc.failedCount);<a name="line.163"></a>
+<span class="sourceLineNo">164</span>  }<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span>  private static class TestProcEnv {<a name="line.166"></a>
+<span class="sourceLineNo">167</span>    public boolean toggleKillBeforeStoreUpdate = false;<a name="line.167"></a>
+<span class="sourceLineNo">168</span>    public boolean triggerRollbackOnChild = false;<a name="line.168"></a>
+<span class="sourceLineNo">169</span>  }<a name="line.169"></a>
+<span class="sourceLineNo">170</span><a name="line.170"></a>
+<span class="sourceLineNo">171</span>  public static class ProcedureMetrics extends SequentialProcedure&lt;TestProcEnv&gt; {<a name="line.171"></a>
+<span class="sourceLineNo">172</span>    public static long beginCount = 0;<a name="line.172"></a>
+<span class="sourceLineNo">173</span>    public static long successCount = 0;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    public static long failedCount = 0;<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span>    private boolean success;<a name="line.176"></a>
+<span class="sourceLineNo">177</span>    private boolean yield;<a name="line.177"></a>
+<span class="sourceLineNo">178</span>    private int yieldCount;<a name="line.178"></a>
+<span class="sourceLineNo">179</span>    private int yieldNum;<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span>    private ProcedureMetrics[] subprocs = null;<a name="line.181"></a>
+<span class="sourceLineNo">182</span><a name="line.182"></a>
+<span class="sourceLineNo">183</span>    public ProcedureMetrics() {<a name="line.183"></a>
+<span class="sourceLineNo">184</span>      this(true);<a name="line.184"></a>
+<span class="sourceLineNo">185</span>    }<a name="line.185"></a>
+<span class="sourceLineNo">186</span><a name="line.186"></a>
+<span class="sourceLineNo">187</span>    public ProcedureMetrics(boolean success) {<a name="line.187"></a>
+<span class="sourceLineNo">188</span>      this(success, true);<a name="line.188"></a>
+<span class="sourceLineNo">189</span>    }<a name="line.189"></a>
+<span class="sourceLineNo">190</span><a name="line.190"></a>
+<span class="sourceLineNo">191</span>    public ProcedureMetrics(boolean success, boolean yield) {<a name="line.191"></a>
+<span class="sourceLineNo">192</span>      this(success, yield, 1);<a name="line.192"></a>
+<span class="sourceLineNo">193</span>    }<a name="line.193"></a>
+<span class="sourceLineNo">194</span><a name="line.194"></a>
+<span class="sourceLineNo">195</span>    public ProcedureMetrics(boolean success, boolean yield, int yieldCount) {<a name="line.195"></a>
+<span class="sourceLineNo">196</span>      this(success, yield, yieldCount, null);<a name="line.196"></a>
+<span class="sourceLineNo">197</span>    }<a name="line.197"></a>
+<span class="sourceLineNo">198</span><a name="line.198"></a>
+<span class="sourceLineNo">199</span>    public ProcedureMetrics(boolean success, ProcedureMetrics[] subprocs) {<a name="line.199"></a>
+<span class="sourceLineNo">200</span>      this(success, false, 1, subprocs);<a name="line.200"></a>
+<span class="sourceLineNo">201</span>    }<a name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span>    public ProcedureMetrics(boolean success, boolean yield, int yieldCount,<a name="line.203"></a>
+<span class="sourceLineNo">204</span>                            ProcedureMetrics[] subprocs) {<a name="line.204"></a>
+<span class="sourceLineNo">205</span>      this.success = success;<a name="line.205"></a>
+<span class="sourceLineNo">206</span>      this.yield = yield;<a name="line.206"></a>
+<span class="sourceLineNo">207</span>      this.yieldCount = yieldCount;<a name="line.207"></a>
+<span class="sourceLineNo">208</span>      this.subprocs = subprocs;<a name="line.208"></a>
+<span class="sourceLineNo">209</span>      yieldNum = 0;<a name="line.209"></a>
+<span class="sourceLineNo">210</span>    }<a name="line.210"></a>
+<span class="sourceLineNo">211</span><a name="line.211"></a>
+<span class="sourceLineNo">212</span>    @Override<a name="line.212"></a>
+<span class="sourceLineNo">213</span>    protected void updateMetricsOnSubmit(TestProcEnv env) {<a name="line.213"></a>
+<span class="sourceLineNo">214</span>      beginCount++;<a name="line.214"></a>
+<span class="sourceLineNo">215</span>    }<a name="line.215"></a>
+<span class="sourceLineNo">216</span><a name="line.216"></a>
+<span class="sourceLineNo">217</span>    @Override<a name="line.217"></a>
+<span class="sourceLineNo">218</span>    protected Procedure[] execute(TestProcEnv env) throws ProcedureYieldException,<a name="line.218"></a>
+<span class="sourceLineNo">219</span>        ProcedureSuspendedException, InterruptedException {<a name="line.219"></a>
+<span class="sourceLineNo">220</span>      if (this.yield) {<a name="line.220"></a>
+<span class="sourceLineNo">221</span>        if (yieldNum &lt; yieldCount) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span>          yieldNum++;<a name="line.222"></a>
+<span class="sourceLineNo">223</span>          throw new ProcedureYieldException();<a name="line.223"></a>
+<span class="sourceLineNo">224</span>        }<a name="line.224"></a>
+<span class="sourceLineNo">225</span>      }<a name="line.225"></a>
+<span class="sourceLineNo">226</span>      if (!this.success) {<a name="line.226"></a>
+<span class="sourceLineNo">227</span>        setFailure("Failed", new InterruptedException("Failed"));<a name="line.227"></a>
+<span class="sourceLineNo">228</span>        return null;<a name="line.228"></a>
+<span class="sourceLineNo">229</span>      }<a name="line.229"></a>
+<span class="sourceLineNo">230</span>      return subprocs;<a name="line.230"></a>
+<span class="sourceLineNo">231</span>    }<a name="line.231"></a>
+<span class="sourceLineNo">232</span><a name="line.232"></a>
+<span class="sourceLineNo">233</span>    @Override<a name="line.233"></a>
+<span class="sourceLineNo">234</span>    protected void rollback(TestProcEnv env) throws IOException, InterruptedException {<a name="line.234"></a>
+<span class="sourceLineNo">235</span><a name="line.235"></a>
+<span class="sourceLineNo">236</span>    }<a name="line.236"></a>
+<span class="sourceLineNo">237</span><a name="line.237"></a>
+<span class="sourceLineNo">238</span>    @Override<a name="line.238"></a>
+<span class="sourceLineNo">239</span>    protected boolean abort(TestProcEnv env) {<a name="line.239"></a>
+<span class="sourceLineNo">240</span>      return false;<a name="line.240"></a>
+<span class="sourceLineNo">241</span>    }<a name="line.241"></a>
+<span class="sourceLineNo">242</span><a name="line.242"></a>
+<span class="sourceLineNo">243</span>    @Override<a name="line.243"></a>
+<span class="sourceLineNo">244</span>    protected void updateMetricsOnFinish(final TestProcEnv env, final long time,<a name="line.244"></a>
+<span class="sourceLineNo">245</span>    boolean success) {<a name="line.245"></a>
+<span class="sourceLineNo">246</span>      if (success) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span>        successCount++;<a name="line.247"></a>
+<span class="sourceLineNo">248</span>      } else {<a name="line.248"></a>
+<span class="sourceLineNo">249</span>        failedCount++;<a name="line.249"></a>
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+</div>
+</body>
+</html>

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a949969b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestStateMachineProcedure.SimpleChildProcedure.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestStateMachineProcedure.SimpleChildProcedure.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestStateMachineProcedure.SimpleChildProcedure.html
index a3ba133..9e2d08d 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestStateMachineProcedure.SimpleChildProcedure.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestStateMachineProcedure.SimpleChildProcedure.html
@@ -27,180 +27,179 @@
 <span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.procedure2;<a name="line.19"></a>
 <span class="sourceLineNo">020</span><a name="line.20"></a>
 <span class="sourceLineNo">021</span>import java.io.IOException;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.commons.logging.Log;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.commons.logging.LogFactory;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.fs.FileSystem;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.hadoop.fs.Path;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.HBaseCommonTestingUtility;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.NoopProcedure;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.33"></a>
-<span class="sourceLineNo">034</span><a name="line.34"></a>
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-<span class="sourceLineNo">039</span><a name="line.39"></a>
-<span class="sourceLineNo">040</span>import static org.junit.Assert.assertEquals;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import static org.junit.Assert.assertTrue;<a name="line.41"></a>
-<span class="sourceLineNo">042</span><a name="line.42"></a>
-<span class="sourceLineNo">043</span>@Category({MasterTests.class, SmallTests.class})<a name="line.43"></a>
-<span class="sourceLineNo">044</span>public class TestStateMachineProcedure {<a name="line.44"></a>
-<span class="sourceLineNo">045</span>  private static final Log LOG = LogFactory.getLog(TestStateMachineProcedure.class);<a name="line.45"></a>
-<span class="sourceLineNo">046</span><a name="line.46"></a>
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-<span class="sourceLineNo">075</span>    htu = new HBaseCommonTestingUtility();<a name="line.75"></a>
-<span class="sourceLineNo">076</span>    testDir = htu.getDataTestDir();<a name="line.76"></a>
-<span class="sourceLineNo">077</span>    fs = testDir.getFileSystem(htu.getConfiguration());<a name="line.77"></a>
-<span class="sourceLineNo">078</span><a name="line.78"></a>
-<span class="sourceLineNo">079</span>    logDir = new Path(testDir, "proc-logs");<a name="line.79"></a>
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-<span class="sourceLineNo">109</span>    ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId);<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    assertEquals(6, procExecutor.getEnvironment().execCount.get());<a name="line.110"></a>
-<span class="sourceLineNo">111</span>    assertEquals(0, procExecutor.getEnvironment().rollbackCount.get());<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    ProcedureTestingUtility.assertProcNotFailed(procExecutor, procId);<a name="line.112"></a>
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-<span class="sourceLineNo">115</span>  @Test<a name="line.115"></a>
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-<span class="sourceLineNo">118</span>    long procId = procExecutor.submitProcedure(new TestSMProcedure());<a name="line.118"></a>
-<span class="sourceLineNo">119</span>    ProcedureTestingUtility.waitProcedure(procExecutor, procId);<a name="line.119"></a>
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+<span class="sourceLineNo">022</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.22"></a>
+<span class="sourceLineNo">023</span><a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.commons.logging.Log;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.commons.logging.LogFactory;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.fs.FileSystem;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.fs.Path;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.HBaseCommonTestingUtility;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.NoopProcedure;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;<a name="line.30"></a>
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+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.32"></a>
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+<span class="sourceLineNo">037</span>import org.junit.experimental.categories.Category;<a name="line.37"></a>
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+<span class="sourceLineNo">040</span>import static org.junit.Assert.assertTrue;<a name="line.40"></a>
+<span class="sourceLineNo">041</span><a name="line.41"></a>
+<span class="sourceLineNo">042</span>@Category({MasterTests.class, SmallTests.class})<a name="line.42"></a>
+<span class="sourceLineNo">043</span>public class TestStateMachineProcedure {<a name="line.43"></a>
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+<span class="sourceLineNo">045</span><a name="line.45"></a>
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+<span class="sourceLineNo">051</span>      // we are going to serialize the exception in the test,<a name="line.51"></a>
+<span class="sourceLineNo">052</span>      // so the instance comparison will not match<a name="line.52"></a>
+<span class="sourceLineNo">053</span>      return getMessage().equals(((Exception)other).getMessage());<a name="line.53"></a>
+<span class="sourceLineNo">054</span>    }<a name="line.54"></a>
+<span class="sourceLineNo">055</span><a name="line.55"></a>
+<span class="sourceLineNo">056</span>    @Override<a name="line.56"></a>
+<span class="sourceLineNo">057</span>    public int hashCode() {<a name="line.57"></a>
+<span class="sourceLineNo">058</span>      return getMessage().hashCode();<a name="line.58"></a>
+<span class="sourceLineNo">059</span>    }<a name="line.59"></a>
+<span class="sourceLineNo">060</span>  };<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>  private static final int PROCEDURE_EXECUTOR_SLOTS = 1;<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  private ProcedureExecutor&lt;TestProcEnv&gt; procExecutor;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>  private ProcedureStore procStore;<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span>  private HBaseCommonTestingUtility htu;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  private FileSystem fs;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>  private Path testDir;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>  private Path logDir;<a name="line.70"></a>
+<span class="sourceLineNo">071</span><a name="line.71"></a>
+<span class="sourceLineNo">072</span>  @Before<a name="line.72"></a>
+<span class="sourceLineNo">073</span>  public void setUp() throws IOException {<a name="line.73"></a>
+<span class="sourceLineNo">074</span>    htu = new HBaseCommonTestingUtility();<a name="line.74"></a>
+<span class="sourceLineNo">075</span>    testDir = htu.getDataTestDir();<a name="line.75"></a>
+<span class="sourceLineNo">076</span>    fs = testDir.getFileSystem(htu.getConfiguration());<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>    logDir = new Path(testDir, "proc-logs");<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    procStore = ProcedureTestingUtility.createWalStore(htu.getConfiguration(), fs, logDir);<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    procExecutor = new ProcedureExecutor(htu.getConfiguration(), new TestProcEnv(), procStore);<a name="line.80"></a>
+<span class="sourceLineNo">081</span>    procStore.start(PROCEDURE_EXECUTOR_SLOTS);<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    procExecutor.start(PROCEDURE_EXECUTOR_SLOTS, true);<a name="line.82"></a>
+<span class="sourceLineNo">083</span>  }<a name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
+<span class="sourceLineNo">085</span>  @After<a name="line.85"></a>
+<span class="sourceLineNo">086</span>  public void tearDown() throws IOException {<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, false);<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    assertTrue("expected executor to be running", procExecutor.isRunning());<a name="line.88"></a>
+<span class="sourceLineNo">089</span><a name="line.89"></a>
+<span class="sourceLineNo">090</span>    procExecutor.stop();<a name="line.90"></a>
+<span class="sourceLineNo">091</span>    procStore.stop(false);<a name="line.91"></a>
+<span class="sourceLineNo">092</span>    fs.delete(logDir, true);<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  }<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span>  @Test<a name="line.95"></a>
+<span class="sourceLineNo">096</span>  public void testChildOnLastStep() {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    long procId = procExecutor.submitProcedure(new TestSMProcedure());<a name="line.97"></a>
+<span class="sourceLineNo">098</span>    ProcedureTestingUtility.waitProcedure(procExecutor, procId);<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    assertEquals(3, procExecutor.getEnvironment().execCount.get());<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    assertEquals(0, procExecutor.getEnvironment().rollbackCount.get());<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    ProcedureTestingUtility.assertProcNotFailed(procExecutor, procId);<a name="line.101"></a>
+<span class="sourceLineNo">102</span>  }<a name="line.102"></a>
+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span>  @Test<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  public void testChildOnLastStepDoubleExecution() throws Exception {<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.106"></a>
+<span class="sourceLineNo">107</span>    long procId = procExecutor.submitProcedure(new TestSMProcedure());<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId);<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    assertEquals(6, procExecutor.getEnvironment().execCount.get());<a name="line.109"></a>
+<span class="sourceLineNo">110</span>    assertEquals(0, procExecutor.getEnvironment().rollbackCount.get());<a name="line.110"></a>
+<span class="sourceLineNo">111</span>    ProcedureTestingUtility.assertProcNotFailed(procExecutor, procId);<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  }<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span>  @Test<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  public void testChildOnLastStepWithRollback() {<a name="line.115"></a>
+<span class="sourceLineNo">116</span>    procExecutor.getEnvironment().triggerChildRollback = true;<a name="line.116"></a>
+<span class="sourceLineNo">117</span>    long procId = procExecutor.submitProcedure(new TestSMProcedure());<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    ProcedureTestingUtility.waitProcedure(procExecutor, procId);<a name="line.118"></a>
+<span class="sourceLineNo">119</span>    assertEquals(3, procExecutor.getEnvironment().execCount.get());<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    assertEquals(3, procExecutor.getEnvironment().rollbackCount.get());<a name="line.120"></a>
+<span class="sourceLineNo">121</span>    Throwable cause = ProcedureTestingUtility.assertProcFailed(procExecutor, procId);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    assertEquals(TEST_FAILURE_EXCEPTION, cause);<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>  @Test<a name="line.125"></a>
+<span class="sourceLineNo">126</span>  public void testChildOnLastStepWithRollbackDoubleExecution() throws Exception {<a name="line.126"></a>
+<span class="sourceLineNo">127</span>    procExecutor.getEnvironment().triggerChildRollback = true;<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.128"></a>
+<span class="sourceLineNo">129</span>    long procId = procExecutor.submitProcedure(new TestSMProcedure());<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId, true);<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    assertEquals(6, procExecutor.getEnvironment().execCount.get());<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    assertEquals(6, procExecutor.getEnvironment().rollbackCount.get());<a name="line.132"></a>
+<span class="sourceLineNo">133</span>    Throwable cause = ProcedureTestingUtility.assertProcFailed(procExecutor, procId);<a name="line.133"></a>
+<span class="sourceLineNo">134</span>    assertEquals(TEST_FAILURE_EXCEPTION, cause);<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  }<a name="line.135"></a>
+<span class="sourceLineNo">136</span><a name="line.136"></a>
+<span class="sourceLineNo">137</span>  public enum TestSMProcedureState { STEP_1, STEP_2 };<a name="line.137"></a>
+<span class="sourceLineNo">138</span>  public static class TestSMProcedure<a name="line.138"></a>
+<span class="sourceLineNo">139</span>      extends StateMachineProcedure&lt;TestProcEnv, TestSMProcedureState&gt; {<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    protected Flow executeFromState(TestProcEnv env, TestSMProcedureState state) {<a name="line.140"></a>
+<span class="sourceLineNo">141</span>      LOG.info("EXEC " + state + " " + this);<a name="line.141"></a>
+<span class="sourceLineNo">142</span>      env.execCount.incrementAndGet();<a name="line.142"></a>
+<span class="sourceLineNo">143</span>      switch (state) {<a name="line.143"></a>
+<span class="sourceLineNo">144</span>        case STEP_1:<a name="line.144"></a>
+<span class="sourceLineNo">145</span>          setNextState(TestSMProcedureState.STEP_2);<a name="line.145"></a>
+<span class="sourceLineNo">146</span>          break;<a name="line.146"></a>
+<span class="sourceLineNo">147</span>        case STEP_2:<a name="line.147"></a>
+<span class="sourceLineNo">148</span>          addChildProcedure(new SimpleChildProcedure());<a name="line.148"></a>
+<span class="sourceLineNo">149</span>          return Flow.NO_MORE_STATE;<a name="line.149"></a>
+<span class="sourceLineNo">150</span>      }<a name="line.150"></a>
+<span class="sourceLineNo">151</span>      return Flow.HAS_MORE_STATE;<a name="line.151"></a>
+<span class="sourceLineNo">152</span>    }<a name="line.152"></a>
+<span class="sourceLineNo">153</span><a name="line.153"></a>
+<span class="sourceLineNo">154</span>    protected void rollbackState(TestProcEnv env, TestSMProcedureState state) {<a name="line.154"></a>
+<span class="sourceLineNo">155</span>      LOG.info("ROLLBACK " + state + " " + this);<a name="line.155"></a>
+<span class="sourceLineNo">156</span>      env.rollbackCount.incrementAndGet();<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    }<a name="line.157"></a>
+<span class="sourceLineNo">158</span><a name="line.158"></a>
+<span class="sourceLineNo">159</span>    protected TestSMProcedureState getState(int stateId) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span>      return TestSMProcedureState.values()[stateId];<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    }<a name="line.161"></a>
+<span class="sourceLineNo">162</span><a name="line.162"></a>
+<span class="sourceLineNo">163</span>    protected int getStateId(TestSMProcedureState state) {<a name="line.163"></a>
+<span class="sourceLineNo">164</span>      return state.ordinal();<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    }<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span>    protected TestSMProcedureState getInitialState() {<a name="line.167"></a>
+<span class="sourceLineNo">168</span>      return TestSMProcedureState.STEP_1;<a name="line.168"></a>
+<span class="sourceLineNo">169</span>    }<a name="line.169"></a>
+<span class="sourceLineNo">170</span>  }<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span>  public static class SimpleChildProcedure extends NoopProcedure&lt;TestProcEnv&gt; {<a name="line.172"></a>
+<span class="sourceLineNo">173</span>    protected Procedure[] execute(TestProcEnv env) {<a name="line.173"></a>
+<span class="sourceLineNo">174</span>      LOG.info("EXEC " + this);<a name="line.174"></a>
+<span class="sourceLineNo">175</span>      env.execCount.incrementAndGet();<a name="line.175"></a>
+<span class="sourceLineNo">176</span>      if (env.triggerChildRollback) {<a name="line.176"></a>
+<span class="sourceLineNo">177</span>        setFailure("test-failure", TEST_FAILURE_EXCEPTION);<a name="line.177"></a>
+<span class="sourceLineNo">178</span>      }<a name="line.178"></a>
+<span class="sourceLineNo">179</span>      return null;<a name="line.179"></a>
+<span class="sourceLineNo">180</span>    }<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>    @Override<a name="line.182"></a>
+<span class="sourceLineNo">183</span>    protected void rollback(TestProcEnv env) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span>      LOG.info("ROLLBACK " + this);<a name="line.184"></a>
+<span class="sourceLineNo">185</span>      env.rollbackCount.incrementAndGet();<a name="line.185"></a>
+<span class="sourceLineNo">186</span>    }<a name="line.186"></a>
+<span class="sourceLineNo">187</span>  }<a name="line.187"></a>
+<span class="sourceLineNo">188</span><a name="line.188"></a>
+<span class="sourceLineNo">189</span>  public class TestProcEnv {<a name="line.189"></a>
+<span class="sourceLineNo">190</span>    AtomicInteger execCount = new AtomicInteger(0);<a name="line.190"></a>
+<span class="sourceLineNo">191</span>    AtomicInteger rollbackCount = new AtomicInteger(0);<a name="line.191"></a>
+<span class="sourceLineNo">192</span>    boolean triggerChildRollback = false;<a name="line.192"></a>
+<span class="sourceLineNo">193</span>  }<a name="line.193"></a>
+<span class="sourceLineNo">194</span>}<a name="line.194"></a>
 
 
 


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