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| <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>package org.apache.hadoop.hbase.procedure;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertNull;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import static org.junit.Assert.assertTrue;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import static org.mockito.Matchers.any;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import static org.mockito.Matchers.anyListOf;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import static org.mockito.Matchers.anyString;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import static org.mockito.Matchers.eq;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import static org.mockito.Mockito.atLeastOnce;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import static org.mockito.Mockito.doAnswer;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import static org.mockito.Mockito.doThrow;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import static org.mockito.Mockito.inOrder;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import static org.mockito.Mockito.mock;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import static org.mockito.Mockito.never;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import static org.mockito.Mockito.reset;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import static org.mockito.Mockito.spy;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import static org.mockito.Mockito.times;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import static org.mockito.Mockito.verify;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import static org.mockito.Mockito.when;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import java.io.IOException;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import java.util.Arrays;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import java.util.List;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import java.util.concurrent.TimeUnit;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.testclassification.MasterTests;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.junit.After;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.junit.ClassRule;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.junit.Test;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.junit.experimental.categories.Category;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.mockito.InOrder;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.mockito.invocation.InvocationOnMock;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.mockito.stubbing.Answer;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span>/**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Test Procedure coordinator operation.<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * <p><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * This only works correctly when we do <i>class level parallelization</i> of tests. If we do method<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * level serialization this class will likely throw all kinds of errors.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>@Category({MasterTests.class, SmallTests.class})<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>public class TestProcedureCoordinator {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @ClassRule<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> HBaseClassTestRule.forClass(TestProcedureCoordinator.class);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> // general test constants<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private static final long WAKE_FREQUENCY = 1000;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private static final long TIMEOUT = 100000;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private static final long POOL_KEEP_ALIVE = 1;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private static final String nodeName = "node";<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private static final String procName = "some op";<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> private static final byte[] procData = new byte[0];<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private static final List<String> expected = Lists.newArrayList("remote1", "remote2");<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> // setup the mocks<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> private final ProcedureCoordinatorRpcs controller = mock(ProcedureCoordinatorRpcs.class);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private final Procedure task = mock(Procedure.class);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private final ForeignExceptionDispatcher monitor = mock(ForeignExceptionDispatcher.class);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span><a name="line.83"></a> |
| <span class="sourceLineNo">084</span> // handle to the coordinator for each test<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> private ProcedureCoordinator coordinator;<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> @After<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public void resetTest() throws IOException {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> // reset all the mocks used for the tests<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> reset(controller, task, monitor);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> // close the open coordinator, if it was used<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> if (coordinator != null) coordinator.close();<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> private ProcedureCoordinator buildNewCoordinator() {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> ThreadPoolExecutor pool = ProcedureCoordinator.defaultPool(nodeName, 1, POOL_KEEP_ALIVE);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> return spy(new ProcedureCoordinator(controller, pool));<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> /**<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * Currently we can only handle one procedure at a time. This makes sure we handle that and<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> * reject submitting more.<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 testThreadPoolSize() throws Exception {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> ProcedureCoordinator coordinator = buildNewCoordinator();<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> Procedure proc = new Procedure(coordinator, monitor,<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> WAKE_FREQUENCY, TIMEOUT, procName, procData, expected);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> Procedure procSpy = spy(proc);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> Procedure proc2 = new Procedure(coordinator, monitor,<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> WAKE_FREQUENCY, TIMEOUT, procName +"2", procData, expected);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> Procedure procSpy2 = spy(proc2);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> when(coordinator.createProcedure(any(), eq(procName), eq(procData), anyListOf(String.class)))<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> .thenReturn(procSpy, procSpy2);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span><a name="line.116"></a> |
| <span class="sourceLineNo">117</span> coordinator.startProcedure(procSpy.getErrorMonitor(), procName, procData, expected);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> // null here means second procedure failed to start.<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> assertNull("Coordinator successfully ran two tasks at once with a single thread pool.",<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> coordinator.startProcedure(proc2.getErrorMonitor(), "another op", procData, expected));<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> }<a name="line.121"></a> |
| <span class="sourceLineNo">122</span><a name="line.122"></a> |
| <span class="sourceLineNo">123</span> /**<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * Check handling a connection failure correctly if we get it during the acquiring phase<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> */<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> @Test<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> public void testUnreachableControllerDuringPrepare() throws Exception {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> coordinator = buildNewCoordinator();<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> // setup the proc<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> List<String> expected = Arrays.asList("cohort");<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> Procedure proc = new Procedure(coordinator, WAKE_FREQUENCY,<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> TIMEOUT, procName, procData, expected);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> final Procedure procSpy = spy(proc);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> when(coordinator.createProcedure(any(), eq(procName), eq(procData), anyListOf(String.class)))<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> .thenReturn(procSpy);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span><a name="line.137"></a> |
| <span class="sourceLineNo">138</span> // use the passed controller responses<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> IOException cause = new IOException("Failed to reach comms during acquire");<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> doThrow(cause).when(controller)<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> .sendGlobalBarrierAcquire(eq(procSpy), eq(procData), anyListOf(String.class));<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> // run the operation<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> proc = coordinator.startProcedure(proc.getErrorMonitor(), procName, procData, expected);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> // and wait for it to finish<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> while(!proc.completedLatch.await(WAKE_FREQUENCY, TimeUnit.MILLISECONDS));<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> verify(procSpy, atLeastOnce()).receive(any());<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> verify(coordinator, times(1)).rpcConnectionFailure(anyString(), eq(cause));<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> verify(controller, times(1)).sendGlobalBarrierAcquire(procSpy, procData, expected);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> verify(controller, never()).sendGlobalBarrierReached(any(),<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> anyListOf(String.class));<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> /**<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * Check handling a connection failure correctly if we get it during the barrier phase<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> */<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> @Test<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> public void testUnreachableControllerDuringCommit() throws Exception {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> coordinator = buildNewCoordinator();<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // setup the task and spy on it<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> List<String> expected = Arrays.asList("cohort");<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> final Procedure spy = spy(new Procedure(coordinator,<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> WAKE_FREQUENCY, TIMEOUT, procName, procData, expected));<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> when(coordinator.createProcedure(any(), eq(procName), eq(procData), anyListOf(String.class)))<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> .thenReturn(spy);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // use the passed controller responses<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> IOException cause = new IOException("Failed to reach controller during prepare");<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> doAnswer(new AcquireBarrierAnswer(procName, new String[] { "cohort" }))<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> .when(controller).sendGlobalBarrierAcquire(eq(spy), eq(procData), anyListOf(String.class));<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> doThrow(cause).when(controller).sendGlobalBarrierReached(eq(spy), anyListOf(String.class));<a name="line.173"></a> |
| <span class="sourceLineNo">174</span><a name="line.174"></a> |
| <span class="sourceLineNo">175</span> // run the operation<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> Procedure task = coordinator.startProcedure(spy.getErrorMonitor(), procName, procData, expected);<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> // and wait for it to finish<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> while(!task.completedLatch.await(WAKE_FREQUENCY, TimeUnit.MILLISECONDS));<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> verify(spy, atLeastOnce()).receive(any());<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> verify(coordinator, times(1)).rpcConnectionFailure(anyString(), eq(cause));<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> verify(controller, times(1)).sendGlobalBarrierAcquire(eq(spy),<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> eq(procData), anyListOf(String.class));<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> verify(controller, times(1)).sendGlobalBarrierReached(any(),<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> anyListOf(String.class));<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> @Test<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> public void testNoCohort() throws Exception {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> runSimpleProcedure();<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> @Test<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> public void testSingleCohortOrchestration() throws Exception {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> runSimpleProcedure("one");<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> @Test<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> public void testMultipleCohortOrchestration() throws Exception {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> runSimpleProcedure("one", "two", "three", "four");<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> }<a name="line.200"></a> |
| <span class="sourceLineNo">201</span><a name="line.201"></a> |
| <span class="sourceLineNo">202</span> public void runSimpleProcedure(String... members) throws Exception {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> coordinator = buildNewCoordinator();<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> Procedure task = new Procedure(coordinator, monitor, WAKE_FREQUENCY,<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> TIMEOUT, procName, procData, Arrays.asList(members));<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> final Procedure spy = spy(task);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> runCoordinatedProcedure(spy, members);<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> /**<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> * Test that if nodes join the barrier early we still correctly handle the progress<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> */<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> @Test<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> public void testEarlyJoiningBarrier() throws Exception {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> final String[] cohort = new String[] { "one", "two", "three", "four" };<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> coordinator = buildNewCoordinator();<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> final ProcedureCoordinator ref = coordinator;<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> Procedure task = new Procedure(coordinator, monitor, WAKE_FREQUENCY,<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> TIMEOUT, procName, procData, Arrays.asList(cohort));<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> final Procedure spy = spy(task);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span><a name="line.221"></a> |
| <span class="sourceLineNo">222</span> AcquireBarrierAnswer prepare = new AcquireBarrierAnswer(procName, cohort) {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> @Override<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> public void doWork() {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> // then do some fun where we commit before all nodes have prepared<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> // "one" commits before anyone else is done<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> ref.memberAcquiredBarrier(this.opName, this.cohort[0]);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> ref.memberFinishedBarrier(this.opName, this.cohort[0], new byte[0]);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> // but "two" takes a while<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> ref.memberAcquiredBarrier(this.opName, this.cohort[1]);<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> // "three"jumps ahead<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> ref.memberAcquiredBarrier(this.opName, this.cohort[2]);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> ref.memberFinishedBarrier(this.opName, this.cohort[2], new byte[0]);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> // and "four" takes a while<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> ref.memberAcquiredBarrier(this.opName, this.cohort[3]);<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><a name="line.238"></a> |
| <span class="sourceLineNo">239</span> BarrierAnswer commit = new BarrierAnswer(procName, cohort) {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> @Override<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> public void doWork() {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> ref.memberFinishedBarrier(opName, this.cohort[1], new byte[0]);<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> ref.memberFinishedBarrier(opName, this.cohort[3], new byte[0]);<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> };<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> runCoordinatedOperation(spy, prepare, commit, cohort);<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> /**<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> * Just run a procedure with the standard name and data, with not special task for the mock<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> * coordinator (it works just like a regular coordinator). For custom behavior see<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * {@link #runCoordinatedOperation(Procedure, AcquireBarrierAnswer, BarrierAnswer, String[])}<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> * .<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> * @param spy Spy on a real {@link Procedure}<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> * @param cohort expected cohort members<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> * @throws Exception on failure<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> */<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> public void runCoordinatedProcedure(Procedure spy, String... cohort) throws Exception {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> runCoordinatedOperation(spy, new AcquireBarrierAnswer(procName, cohort),<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> new BarrierAnswer(procName, cohort), cohort);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> public void runCoordinatedOperation(Procedure spy, AcquireBarrierAnswer prepare,<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> String... cohort) throws Exception {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> runCoordinatedOperation(spy, prepare, new BarrierAnswer(procName, cohort), cohort);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> public void runCoordinatedOperation(Procedure spy, BarrierAnswer commit,<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> String... cohort) throws Exception {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> runCoordinatedOperation(spy, new AcquireBarrierAnswer(procName, cohort), commit, cohort);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span><a name="line.272"></a> |
| <span class="sourceLineNo">273</span> public void runCoordinatedOperation(Procedure spy, AcquireBarrierAnswer prepareOperation,<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> BarrierAnswer commitOperation, String... cohort) throws Exception {<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> List<String> expected = Arrays.asList(cohort);<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> when(coordinator.createProcedure(any(), eq(procName), eq(procData), anyListOf(String.class)))<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> .thenReturn(spy);<a name="line.277"></a> |
| <span class="sourceLineNo">278</span><a name="line.278"></a> |
| <span class="sourceLineNo">279</span> // use the passed controller responses<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> doAnswer(prepareOperation).when(controller).sendGlobalBarrierAcquire(spy, procData, expected);<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> doAnswer(commitOperation).when(controller)<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> .sendGlobalBarrierReached(eq(spy), anyListOf(String.class));<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> // run the operation<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> Procedure task = coordinator.startProcedure(spy.getErrorMonitor(), procName, procData, expected);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> // and wait for it to finish<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> task.waitForCompleted();<a name="line.287"></a> |
| <span class="sourceLineNo">288</span><a name="line.288"></a> |
| <span class="sourceLineNo">289</span> // make sure we mocked correctly<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> prepareOperation.ensureRan();<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> // we never got an exception<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> InOrder inorder = inOrder(spy, controller);<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> inorder.verify(spy).sendGlobalBarrierStart();<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> inorder.verify(controller).sendGlobalBarrierAcquire(task, procData, expected);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> inorder.verify(spy).sendGlobalBarrierReached();<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> inorder.verify(controller).sendGlobalBarrierReached(eq(task), anyListOf(String.class));<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span><a name="line.298"></a> |
| <span class="sourceLineNo">299</span> private static abstract class OperationAnswer implements Answer<Void> {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> private boolean ran = false;<a name="line.300"></a> |
| <span class="sourceLineNo">301</span><a name="line.301"></a> |
| <span class="sourceLineNo">302</span> public void ensureRan() {<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> assertTrue("Prepare mocking didn't actually run!", ran);<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> @Override<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> public final Void answer(InvocationOnMock invocation) throws Throwable {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> this.ran = true;<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> doWork();<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> return null;<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> }<a name="line.311"></a> |
| <span class="sourceLineNo">312</span><a name="line.312"></a> |
| <span class="sourceLineNo">313</span> protected abstract void doWork() throws Throwable;<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> }<a name="line.314"></a> |
| <span class="sourceLineNo">315</span><a name="line.315"></a> |
| <span class="sourceLineNo">316</span> /**<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> * Just tell the current coordinator that each of the nodes has prepared<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> */<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> private class AcquireBarrierAnswer extends OperationAnswer {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> protected final String[] cohort;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> protected final String opName;<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> public AcquireBarrierAnswer(String opName, String... cohort) {<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> this.cohort = cohort;<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> this.opName = opName;<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> }<a name="line.326"></a> |
| <span class="sourceLineNo">327</span><a name="line.327"></a> |
| <span class="sourceLineNo">328</span> @Override<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> public void doWork() {<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> if (cohort == null) return;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> for (String member : cohort) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> TestProcedureCoordinator.this.coordinator.memberAcquiredBarrier(opName, member);<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> }<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> }<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span><a name="line.336"></a> |
| <span class="sourceLineNo">337</span> /**<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> * Just tell the current coordinator that each of the nodes has committed<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> */<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> private class BarrierAnswer extends OperationAnswer {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> protected final String[] cohort;<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> protected final String opName;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span><a name="line.343"></a> |
| <span class="sourceLineNo">344</span> public BarrierAnswer(String opName, String... cohort) {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> this.cohort = cohort;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> this.opName = opName;<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> }<a name="line.347"></a> |
| <span class="sourceLineNo">348</span><a name="line.348"></a> |
| <span class="sourceLineNo">349</span> @Override<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> public void doWork() {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> if (cohort == null) return;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> for (String member : cohort) {<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> TestProcedureCoordinator.this.coordinator.memberFinishedBarrier(opName, member,<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> new byte[0]);<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> }<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> }<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span>}<a name="line.358"></a> |
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| </div> |
| </body> |
| </html> |
