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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.procedure2;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertEquals;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.IOException;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.ArrayList;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.concurrent.TimeUnit;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.concurrent.atomic.AtomicBoolean;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.concurrent.atomic.AtomicLong;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.fs.FileSystem;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.HBaseCommonTestingUtil;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.procedure2.TestYieldProcedures.TestStateMachineProcedure.State;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.junit.After;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.Before;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.ClassRule;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.Test;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.slf4j.Logger;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44">@Category({ MasterTests.class, SmallTests.class })</span> |
| <span class="source-line-no">045</span><span id="line-45">public class TestYieldProcedures {</span> |
| <span class="source-line-no">046</span><span id="line-46"> @ClassRule</span> |
| <span class="source-line-no">047</span><span id="line-47"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">048</span><span id="line-48"> HBaseClassTestRule.forClass(TestYieldProcedures.class);</span> |
| <span class="source-line-no">049</span><span id="line-49"></span> |
| <span class="source-line-no">050</span><span id="line-50"> private static final Logger LOG = LoggerFactory.getLogger(TestYieldProcedures.class);</span> |
| <span class="source-line-no">051</span><span id="line-51"></span> |
| <span class="source-line-no">052</span><span id="line-52"> private static final int PROCEDURE_EXECUTOR_SLOTS = 1;</span> |
| <span class="source-line-no">053</span><span id="line-53"> private static final Procedure NULL_PROC = null;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> private ProcedureExecutor<TestProcEnv> procExecutor;</span> |
| <span class="source-line-no">056</span><span id="line-56"> private TestScheduler procRunnables;</span> |
| <span class="source-line-no">057</span><span id="line-57"> private ProcedureStore procStore;</span> |
| <span class="source-line-no">058</span><span id="line-58"></span> |
| <span class="source-line-no">059</span><span id="line-59"> private HBaseCommonTestingUtil htu;</span> |
| <span class="source-line-no">060</span><span id="line-60"> private FileSystem fs;</span> |
| <span class="source-line-no">061</span><span id="line-61"> private Path testDir;</span> |
| <span class="source-line-no">062</span><span id="line-62"> private Path logDir;</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> @Before</span> |
| <span class="source-line-no">065</span><span id="line-65"> public void setUp() throws IOException {</span> |
| <span class="source-line-no">066</span><span id="line-66"> htu = new HBaseCommonTestingUtil();</span> |
| <span class="source-line-no">067</span><span id="line-67"> testDir = htu.getDataTestDir();</span> |
| <span class="source-line-no">068</span><span id="line-68"> fs = testDir.getFileSystem(htu.getConfiguration());</span> |
| <span class="source-line-no">069</span><span id="line-69"> assertTrue(testDir.depth() > 1);</span> |
| <span class="source-line-no">070</span><span id="line-70"></span> |
| <span class="source-line-no">071</span><span id="line-71"> logDir = new Path(testDir, "proc-logs");</span> |
| <span class="source-line-no">072</span><span id="line-72"> procStore = ProcedureTestingUtility.createWalStore(htu.getConfiguration(), logDir);</span> |
| <span class="source-line-no">073</span><span id="line-73"> procRunnables = new TestScheduler();</span> |
| <span class="source-line-no">074</span><span id="line-74"> procExecutor =</span> |
| <span class="source-line-no">075</span><span id="line-75"> new ProcedureExecutor<>(htu.getConfiguration(), new TestProcEnv(), procStore, procRunnables);</span> |
| <span class="source-line-no">076</span><span id="line-76"> procStore.start(PROCEDURE_EXECUTOR_SLOTS);</span> |
| <span class="source-line-no">077</span><span id="line-77"> ProcedureTestingUtility.initAndStartWorkers(procExecutor, PROCEDURE_EXECUTOR_SLOTS, true);</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> @After</span> |
| <span class="source-line-no">081</span><span id="line-81"> public void tearDown() throws IOException {</span> |
| <span class="source-line-no">082</span><span id="line-82"> procExecutor.stop();</span> |
| <span class="source-line-no">083</span><span id="line-83"> procStore.stop(false);</span> |
| <span class="source-line-no">084</span><span id="line-84"> fs.delete(logDir, true);</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> @Test</span> |
| <span class="source-line-no">088</span><span id="line-88"> public void testYieldEachExecutionStep() throws Exception {</span> |
| <span class="source-line-no">089</span><span id="line-89"> final int NUM_STATES = 3;</span> |
| <span class="source-line-no">090</span><span id="line-90"></span> |
| <span class="source-line-no">091</span><span id="line-91"> TestStateMachineProcedure[] procs = new TestStateMachineProcedure[3];</span> |
| <span class="source-line-no">092</span><span id="line-92"> for (int i = 0; i < procs.length; ++i) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> procs[i] = new TestStateMachineProcedure(true, false);</span> |
| <span class="source-line-no">094</span><span id="line-94"> procExecutor.submitProcedure(procs[i]);</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"> ProcedureTestingUtility.waitNoProcedureRunning(procExecutor);</span> |
| <span class="source-line-no">097</span><span id="line-97"></span> |
| <span class="source-line-no">098</span><span id="line-98"> for (int i = 0; i < procs.length; ++i) {</span> |
| <span class="source-line-no">099</span><span id="line-99"> assertEquals(NUM_STATES * 2, procs[i].getExecutionInfo().size());</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> // verify execution</span> |
| <span class="source-line-no">102</span><span id="line-102"> int index = 0;</span> |
| <span class="source-line-no">103</span><span id="line-103"> for (int execStep = 0; execStep < NUM_STATES; ++execStep) {</span> |
| <span class="source-line-no">104</span><span id="line-104"> TestStateMachineProcedure.ExecutionInfo info = procs[i].getExecutionInfo().get(index++);</span> |
| <span class="source-line-no">105</span><span id="line-105"> assertEquals(false, info.isRollback());</span> |
| <span class="source-line-no">106</span><span id="line-106"> assertEquals(execStep, info.getStep().ordinal());</span> |
| <span class="source-line-no">107</span><span id="line-107"> }</span> |
| <span class="source-line-no">108</span><span id="line-108"></span> |
| <span class="source-line-no">109</span><span id="line-109"> // verify rollback</span> |
| <span class="source-line-no">110</span><span id="line-110"> for (int execStep = NUM_STATES - 1; execStep >= 0; --execStep) {</span> |
| <span class="source-line-no">111</span><span id="line-111"> TestStateMachineProcedure.ExecutionInfo info = procs[i].getExecutionInfo().get(index++);</span> |
| <span class="source-line-no">112</span><span id="line-112"> assertEquals(true, info.isRollback());</span> |
| <span class="source-line-no">113</span><span id="line-113"> assertEquals(execStep, info.getStep().ordinal());</span> |
| <span class="source-line-no">114</span><span id="line-114"> }</span> |
| <span class="source-line-no">115</span><span id="line-115"> }</span> |
| <span class="source-line-no">116</span><span id="line-116"></span> |
| <span class="source-line-no">117</span><span id="line-117"> // check runnable queue stats</span> |
| <span class="source-line-no">118</span><span id="line-118"> assertEquals(0, procRunnables.size());</span> |
| <span class="source-line-no">119</span><span id="line-119"> assertEquals(0, procRunnables.addFrontCalls);</span> |
| <span class="source-line-no">120</span><span id="line-120"> assertEquals(15, procRunnables.addBackCalls);</span> |
| <span class="source-line-no">121</span><span id="line-121"> assertEquals(12, procRunnables.yieldCalls);</span> |
| <span class="source-line-no">122</span><span id="line-122"> assertEquals(16, procRunnables.pollCalls);</span> |
| <span class="source-line-no">123</span><span id="line-123"> assertEquals(3, procRunnables.completionCalls);</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> @Test</span> |
| <span class="source-line-no">127</span><span id="line-127"> public void testYieldOnInterrupt() throws Exception {</span> |
| <span class="source-line-no">128</span><span id="line-128"> final int NUM_STATES = 3;</span> |
| <span class="source-line-no">129</span><span id="line-129"> int count = 0;</span> |
| <span class="source-line-no">130</span><span id="line-130"></span> |
| <span class="source-line-no">131</span><span id="line-131"> TestStateMachineProcedure proc = new TestStateMachineProcedure(true, true);</span> |
| <span class="source-line-no">132</span><span id="line-132"> ProcedureTestingUtility.submitAndWait(procExecutor, proc);</span> |
| <span class="source-line-no">133</span><span id="line-133"></span> |
| <span class="source-line-no">134</span><span id="line-134"> // test execute (we execute steps twice, one has the IE the other completes)</span> |
| <span class="source-line-no">135</span><span id="line-135"> assertEquals(NUM_STATES * 4, proc.getExecutionInfo().size());</span> |
| <span class="source-line-no">136</span><span id="line-136"> for (int i = 0; i < NUM_STATES; ++i) {</span> |
| <span class="source-line-no">137</span><span id="line-137"> TestStateMachineProcedure.ExecutionInfo info = proc.getExecutionInfo().get(count++);</span> |
| <span class="source-line-no">138</span><span id="line-138"> assertEquals(false, info.isRollback());</span> |
| <span class="source-line-no">139</span><span id="line-139"> assertEquals(i, info.getStep().ordinal());</span> |
| <span class="source-line-no">140</span><span id="line-140"></span> |
| <span class="source-line-no">141</span><span id="line-141"> info = proc.getExecutionInfo().get(count++);</span> |
| <span class="source-line-no">142</span><span id="line-142"> assertEquals(false, info.isRollback());</span> |
| <span class="source-line-no">143</span><span id="line-143"> assertEquals(i, info.getStep().ordinal());</span> |
| <span class="source-line-no">144</span><span id="line-144"> }</span> |
| <span class="source-line-no">145</span><span id="line-145"></span> |
| <span class="source-line-no">146</span><span id="line-146"> // test rollback (we execute steps twice, rollback counts both IE and completed)</span> |
| <span class="source-line-no">147</span><span id="line-147"> for (int i = NUM_STATES - 1; i >= 0; --i) {</span> |
| <span class="source-line-no">148</span><span id="line-148"> TestStateMachineProcedure.ExecutionInfo info = proc.getExecutionInfo().get(count++);</span> |
| <span class="source-line-no">149</span><span id="line-149"> assertEquals(true, info.isRollback());</span> |
| <span class="source-line-no">150</span><span id="line-150"> assertEquals(i, info.getStep().ordinal());</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152"></span> |
| <span class="source-line-no">153</span><span id="line-153"> for (int i = NUM_STATES - 1; i >= 0; --i) {</span> |
| <span class="source-line-no">154</span><span id="line-154"> TestStateMachineProcedure.ExecutionInfo info = proc.getExecutionInfo().get(count++);</span> |
| <span class="source-line-no">155</span><span id="line-155"> assertEquals(true, info.isRollback());</span> |
| <span class="source-line-no">156</span><span id="line-156"> assertEquals(0, info.getStep().ordinal());</span> |
| <span class="source-line-no">157</span><span id="line-157"> }</span> |
| <span class="source-line-no">158</span><span id="line-158"></span> |
| <span class="source-line-no">159</span><span id="line-159"> // check runnable queue stats</span> |
| <span class="source-line-no">160</span><span id="line-160"> assertEquals(0, procRunnables.size());</span> |
| <span class="source-line-no">161</span><span id="line-161"> assertEquals(0, procRunnables.addFrontCalls);</span> |
| <span class="source-line-no">162</span><span id="line-162"> assertEquals(11, procRunnables.addBackCalls);</span> |
| <span class="source-line-no">163</span><span id="line-163"> assertEquals(10, procRunnables.yieldCalls);</span> |
| <span class="source-line-no">164</span><span id="line-164"> assertEquals(12, procRunnables.pollCalls);</span> |
| <span class="source-line-no">165</span><span id="line-165"> assertEquals(1, procRunnables.completionCalls);</span> |
| <span class="source-line-no">166</span><span id="line-166"> }</span> |
| <span class="source-line-no">167</span><span id="line-167"></span> |
| <span class="source-line-no">168</span><span id="line-168"> @Test</span> |
| <span class="source-line-no">169</span><span id="line-169"> public void testYieldException() {</span> |
| <span class="source-line-no">170</span><span id="line-170"> TestYieldProcedure proc = new TestYieldProcedure();</span> |
| <span class="source-line-no">171</span><span id="line-171"> ProcedureTestingUtility.submitAndWait(procExecutor, proc);</span> |
| <span class="source-line-no">172</span><span id="line-172"> assertEquals(6, proc.step);</span> |
| <span class="source-line-no">173</span><span id="line-173"></span> |
| <span class="source-line-no">174</span><span id="line-174"> // check runnable queue stats</span> |
| <span class="source-line-no">175</span><span id="line-175"> assertEquals(0, procRunnables.size());</span> |
| <span class="source-line-no">176</span><span id="line-176"> assertEquals(0, procRunnables.addFrontCalls);</span> |
| <span class="source-line-no">177</span><span id="line-177"> assertEquals(6, procRunnables.addBackCalls);</span> |
| <span class="source-line-no">178</span><span id="line-178"> assertEquals(5, procRunnables.yieldCalls);</span> |
| <span class="source-line-no">179</span><span id="line-179"> assertEquals(7, procRunnables.pollCalls);</span> |
| <span class="source-line-no">180</span><span id="line-180"> assertEquals(1, procRunnables.completionCalls);</span> |
| <span class="source-line-no">181</span><span id="line-181"> }</span> |
| <span class="source-line-no">182</span><span id="line-182"></span> |
| <span class="source-line-no">183</span><span id="line-183"> private static class TestProcEnv {</span> |
| <span class="source-line-no">184</span><span id="line-184"> public final AtomicLong timestamp = new AtomicLong(0);</span> |
| <span class="source-line-no">185</span><span id="line-185"></span> |
| <span class="source-line-no">186</span><span id="line-186"> public long nextTimestamp() {</span> |
| <span class="source-line-no">187</span><span id="line-187"> return timestamp.incrementAndGet();</span> |
| <span class="source-line-no">188</span><span id="line-188"> }</span> |
| <span class="source-line-no">189</span><span id="line-189"> }</span> |
| <span class="source-line-no">190</span><span id="line-190"></span> |
| <span class="source-line-no">191</span><span id="line-191"> public static class TestStateMachineProcedure</span> |
| <span class="source-line-no">192</span><span id="line-192"> extends StateMachineProcedure<TestProcEnv, TestStateMachineProcedure.State> {</span> |
| <span class="source-line-no">193</span><span id="line-193"> enum State {</span> |
| <span class="source-line-no">194</span><span id="line-194"> STATE_1,</span> |
| <span class="source-line-no">195</span><span id="line-195"> STATE_2,</span> |
| <span class="source-line-no">196</span><span id="line-196"> STATE_3</span> |
| <span class="source-line-no">197</span><span id="line-197"> }</span> |
| <span class="source-line-no">198</span><span id="line-198"></span> |
| <span class="source-line-no">199</span><span id="line-199"> public static class ExecutionInfo {</span> |
| <span class="source-line-no">200</span><span id="line-200"> private final boolean rollback;</span> |
| <span class="source-line-no">201</span><span id="line-201"> private final long timestamp;</span> |
| <span class="source-line-no">202</span><span id="line-202"> private final State step;</span> |
| <span class="source-line-no">203</span><span id="line-203"></span> |
| <span class="source-line-no">204</span><span id="line-204"> public ExecutionInfo(long timestamp, State step, boolean isRollback) {</span> |
| <span class="source-line-no">205</span><span id="line-205"> this.timestamp = timestamp;</span> |
| <span class="source-line-no">206</span><span id="line-206"> this.step = step;</span> |
| <span class="source-line-no">207</span><span id="line-207"> this.rollback = isRollback;</span> |
| <span class="source-line-no">208</span><span id="line-208"> }</span> |
| <span class="source-line-no">209</span><span id="line-209"></span> |
| <span class="source-line-no">210</span><span id="line-210"> public State getStep() {</span> |
| <span class="source-line-no">211</span><span id="line-211"> return step;</span> |
| <span class="source-line-no">212</span><span id="line-212"> }</span> |
| <span class="source-line-no">213</span><span id="line-213"></span> |
| <span class="source-line-no">214</span><span id="line-214"> public long getTimestamp() {</span> |
| <span class="source-line-no">215</span><span id="line-215"> return timestamp;</span> |
| <span class="source-line-no">216</span><span id="line-216"> }</span> |
| <span class="source-line-no">217</span><span id="line-217"></span> |
| <span class="source-line-no">218</span><span id="line-218"> public boolean isRollback() {</span> |
| <span class="source-line-no">219</span><span id="line-219"> return rollback;</span> |
| <span class="source-line-no">220</span><span id="line-220"> }</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"></span> |
| <span class="source-line-no">223</span><span id="line-223"> private final ArrayList<ExecutionInfo> executionInfo = new ArrayList<>();</span> |
| <span class="source-line-no">224</span><span id="line-224"> private final AtomicBoolean aborted = new AtomicBoolean(false);</span> |
| <span class="source-line-no">225</span><span id="line-225"> private final boolean throwInterruptOnceOnEachStep;</span> |
| <span class="source-line-no">226</span><span id="line-226"> private final boolean abortOnFinalStep;</span> |
| <span class="source-line-no">227</span><span id="line-227"></span> |
| <span class="source-line-no">228</span><span id="line-228"> public TestStateMachineProcedure() {</span> |
| <span class="source-line-no">229</span><span id="line-229"> this(false, false);</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"></span> |
| <span class="source-line-no">232</span><span id="line-232"> public TestStateMachineProcedure(boolean abortOnFinalStep,</span> |
| <span class="source-line-no">233</span><span id="line-233"> boolean throwInterruptOnceOnEachStep) {</span> |
| <span class="source-line-no">234</span><span id="line-234"> this.abortOnFinalStep = abortOnFinalStep;</span> |
| <span class="source-line-no">235</span><span id="line-235"> this.throwInterruptOnceOnEachStep = throwInterruptOnceOnEachStep;</span> |
| <span class="source-line-no">236</span><span id="line-236"> }</span> |
| <span class="source-line-no">237</span><span id="line-237"></span> |
| <span class="source-line-no">238</span><span id="line-238"> public ArrayList<ExecutionInfo> getExecutionInfo() {</span> |
| <span class="source-line-no">239</span><span id="line-239"> return executionInfo;</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"></span> |
| <span class="source-line-no">242</span><span id="line-242"> @Override</span> |
| <span class="source-line-no">243</span><span id="line-243"> protected boolean isRollbackSupported(State state) {</span> |
| <span class="source-line-no">244</span><span id="line-244"> return true;</span> |
| <span class="source-line-no">245</span><span id="line-245"> }</span> |
| <span class="source-line-no">246</span><span id="line-246"></span> |
| <span class="source-line-no">247</span><span id="line-247"> @Override</span> |
| <span class="source-line-no">248</span><span id="line-248"> protected StateMachineProcedure.Flow executeFromState(TestProcEnv env, State state)</span> |
| <span class="source-line-no">249</span><span id="line-249"> throws InterruptedException {</span> |
| <span class="source-line-no">250</span><span id="line-250"> final long ts = env.nextTimestamp();</span> |
| <span class="source-line-no">251</span><span id="line-251"> LOG.info(getProcId() + " execute step " + state + " ts=" + ts);</span> |
| <span class="source-line-no">252</span><span id="line-252"> executionInfo.add(new ExecutionInfo(ts, state, false));</span> |
| <span class="source-line-no">253</span><span id="line-253"> Thread.sleep(150);</span> |
| <span class="source-line-no">254</span><span id="line-254"></span> |
| <span class="source-line-no">255</span><span id="line-255"> if (throwInterruptOnceOnEachStep && ((executionInfo.size() - 1) % 2) == 0) {</span> |
| <span class="source-line-no">256</span><span id="line-256"> LOG.debug("THROW INTERRUPT");</span> |
| <span class="source-line-no">257</span><span id="line-257"> throw new InterruptedException("test interrupt");</span> |
| <span class="source-line-no">258</span><span id="line-258"> }</span> |
| <span class="source-line-no">259</span><span id="line-259"></span> |
| <span class="source-line-no">260</span><span id="line-260"> switch (state) {</span> |
| <span class="source-line-no">261</span><span id="line-261"> case STATE_1:</span> |
| <span class="source-line-no">262</span><span id="line-262"> setNextState(State.STATE_2);</span> |
| <span class="source-line-no">263</span><span id="line-263"> break;</span> |
| <span class="source-line-no">264</span><span id="line-264"> case STATE_2:</span> |
| <span class="source-line-no">265</span><span id="line-265"> setNextState(State.STATE_3);</span> |
| <span class="source-line-no">266</span><span id="line-266"> break;</span> |
| <span class="source-line-no">267</span><span id="line-267"> case STATE_3:</span> |
| <span class="source-line-no">268</span><span id="line-268"> if (abortOnFinalStep) {</span> |
| <span class="source-line-no">269</span><span id="line-269"> setFailure("test", new IOException("Requested abort on final step"));</span> |
| <span class="source-line-no">270</span><span id="line-270"> }</span> |
| <span class="source-line-no">271</span><span id="line-271"> return Flow.NO_MORE_STATE;</span> |
| <span class="source-line-no">272</span><span id="line-272"> default:</span> |
| <span class="source-line-no">273</span><span id="line-273"> throw new UnsupportedOperationException();</span> |
| <span class="source-line-no">274</span><span id="line-274"> }</span> |
| <span class="source-line-no">275</span><span id="line-275"> return Flow.HAS_MORE_STATE;</span> |
| <span class="source-line-no">276</span><span id="line-276"> }</span> |
| <span class="source-line-no">277</span><span id="line-277"></span> |
| <span class="source-line-no">278</span><span id="line-278"> @Override</span> |
| <span class="source-line-no">279</span><span id="line-279"> protected void rollbackState(TestProcEnv env, final State state) throws InterruptedException {</span> |
| <span class="source-line-no">280</span><span id="line-280"> final long ts = env.nextTimestamp();</span> |
| <span class="source-line-no">281</span><span id="line-281"> LOG.debug(getProcId() + " rollback state " + state + " ts=" + ts);</span> |
| <span class="source-line-no">282</span><span id="line-282"> executionInfo.add(new ExecutionInfo(ts, state, true));</span> |
| <span class="source-line-no">283</span><span id="line-283"> Thread.sleep(150);</span> |
| <span class="source-line-no">284</span><span id="line-284"></span> |
| <span class="source-line-no">285</span><span id="line-285"> if (throwInterruptOnceOnEachStep && ((executionInfo.size() - 1) % 2) == 0) {</span> |
| <span class="source-line-no">286</span><span id="line-286"> LOG.debug("THROW INTERRUPT");</span> |
| <span class="source-line-no">287</span><span id="line-287"> throw new InterruptedException("test interrupt");</span> |
| <span class="source-line-no">288</span><span id="line-288"> }</span> |
| <span class="source-line-no">289</span><span id="line-289"></span> |
| <span class="source-line-no">290</span><span id="line-290"> switch (state) {</span> |
| <span class="source-line-no">291</span><span id="line-291"> case STATE_1:</span> |
| <span class="source-line-no">292</span><span id="line-292"> break;</span> |
| <span class="source-line-no">293</span><span id="line-293"> case STATE_2:</span> |
| <span class="source-line-no">294</span><span id="line-294"> break;</span> |
| <span class="source-line-no">295</span><span id="line-295"> case STATE_3:</span> |
| <span class="source-line-no">296</span><span id="line-296"> break;</span> |
| <span class="source-line-no">297</span><span id="line-297"> default:</span> |
| <span class="source-line-no">298</span><span id="line-298"> throw new UnsupportedOperationException();</span> |
| <span class="source-line-no">299</span><span id="line-299"> }</span> |
| <span class="source-line-no">300</span><span id="line-300"> }</span> |
| <span class="source-line-no">301</span><span id="line-301"></span> |
| <span class="source-line-no">302</span><span id="line-302"> @Override</span> |
| <span class="source-line-no">303</span><span id="line-303"> protected State getState(final int stateId) {</span> |
| <span class="source-line-no">304</span><span id="line-304"> return State.values()[stateId];</span> |
| <span class="source-line-no">305</span><span id="line-305"> }</span> |
| <span class="source-line-no">306</span><span id="line-306"></span> |
| <span class="source-line-no">307</span><span id="line-307"> @Override</span> |
| <span class="source-line-no">308</span><span id="line-308"> protected int getStateId(final State state) {</span> |
| <span class="source-line-no">309</span><span id="line-309"> return state.ordinal();</span> |
| <span class="source-line-no">310</span><span id="line-310"> }</span> |
| <span class="source-line-no">311</span><span id="line-311"></span> |
| <span class="source-line-no">312</span><span id="line-312"> @Override</span> |
| <span class="source-line-no">313</span><span id="line-313"> protected State getInitialState() {</span> |
| <span class="source-line-no">314</span><span id="line-314"> return State.STATE_1;</span> |
| <span class="source-line-no">315</span><span id="line-315"> }</span> |
| <span class="source-line-no">316</span><span id="line-316"></span> |
| <span class="source-line-no">317</span><span id="line-317"> @Override</span> |
| <span class="source-line-no">318</span><span id="line-318"> protected boolean isYieldBeforeExecuteFromState(TestProcEnv env, State state) {</span> |
| <span class="source-line-no">319</span><span id="line-319"> return true;</span> |
| <span class="source-line-no">320</span><span id="line-320"> }</span> |
| <span class="source-line-no">321</span><span id="line-321"></span> |
| <span class="source-line-no">322</span><span id="line-322"> @Override</span> |
| <span class="source-line-no">323</span><span id="line-323"> protected boolean abort(TestProcEnv env) {</span> |
| <span class="source-line-no">324</span><span id="line-324"> aborted.set(true);</span> |
| <span class="source-line-no">325</span><span id="line-325"> return true;</span> |
| <span class="source-line-no">326</span><span id="line-326"> }</span> |
| <span class="source-line-no">327</span><span id="line-327"> }</span> |
| <span class="source-line-no">328</span><span id="line-328"></span> |
| <span class="source-line-no">329</span><span id="line-329"> public static class TestYieldProcedure extends Procedure<TestProcEnv> {</span> |
| <span class="source-line-no">330</span><span id="line-330"> private int step = 0;</span> |
| <span class="source-line-no">331</span><span id="line-331"></span> |
| <span class="source-line-no">332</span><span id="line-332"> public TestYieldProcedure() {</span> |
| <span class="source-line-no">333</span><span id="line-333"> }</span> |
| <span class="source-line-no">334</span><span id="line-334"></span> |
| <span class="source-line-no">335</span><span id="line-335"> @Override</span> |
| <span class="source-line-no">336</span><span id="line-336"> protected Procedure[] execute(final TestProcEnv env) throws ProcedureYieldException {</span> |
| <span class="source-line-no">337</span><span id="line-337"> LOG.info("execute step " + step);</span> |
| <span class="source-line-no">338</span><span id="line-338"> if (step++ < 5) {</span> |
| <span class="source-line-no">339</span><span id="line-339"> throw new ProcedureYieldException();</span> |
| <span class="source-line-no">340</span><span id="line-340"> }</span> |
| <span class="source-line-no">341</span><span id="line-341"> return null;</span> |
| <span class="source-line-no">342</span><span id="line-342"> }</span> |
| <span class="source-line-no">343</span><span id="line-343"></span> |
| <span class="source-line-no">344</span><span id="line-344"> @Override</span> |
| <span class="source-line-no">345</span><span id="line-345"> protected void rollback(TestProcEnv env) {</span> |
| <span class="source-line-no">346</span><span id="line-346"> }</span> |
| <span class="source-line-no">347</span><span id="line-347"></span> |
| <span class="source-line-no">348</span><span id="line-348"> @Override</span> |
| <span class="source-line-no">349</span><span id="line-349"> protected boolean abort(TestProcEnv env) {</span> |
| <span class="source-line-no">350</span><span id="line-350"> return false;</span> |
| <span class="source-line-no">351</span><span id="line-351"> }</span> |
| <span class="source-line-no">352</span><span id="line-352"></span> |
| <span class="source-line-no">353</span><span id="line-353"> @Override</span> |
| <span class="source-line-no">354</span><span id="line-354"> protected boolean isYieldAfterExecutionStep(final TestProcEnv env) {</span> |
| <span class="source-line-no">355</span><span id="line-355"> return true;</span> |
| <span class="source-line-no">356</span><span id="line-356"> }</span> |
| <span class="source-line-no">357</span><span id="line-357"></span> |
| <span class="source-line-no">358</span><span id="line-358"> @Override</span> |
| <span class="source-line-no">359</span><span id="line-359"> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">360</span><span id="line-360"> }</span> |
| <span class="source-line-no">361</span><span id="line-361"></span> |
| <span class="source-line-no">362</span><span id="line-362"> @Override</span> |
| <span class="source-line-no">363</span><span id="line-363"> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">364</span><span id="line-364"> }</span> |
| <span class="source-line-no">365</span><span id="line-365"> }</span> |
| <span class="source-line-no">366</span><span id="line-366"></span> |
| <span class="source-line-no">367</span><span id="line-367"> private static class TestScheduler extends SimpleProcedureScheduler {</span> |
| <span class="source-line-no">368</span><span id="line-368"> private int completionCalls;</span> |
| <span class="source-line-no">369</span><span id="line-369"> private int addFrontCalls;</span> |
| <span class="source-line-no">370</span><span id="line-370"> private int addBackCalls;</span> |
| <span class="source-line-no">371</span><span id="line-371"> private int yieldCalls;</span> |
| <span class="source-line-no">372</span><span id="line-372"> private int pollCalls;</span> |
| <span class="source-line-no">373</span><span id="line-373"></span> |
| <span class="source-line-no">374</span><span id="line-374"> public TestScheduler() {</span> |
| <span class="source-line-no">375</span><span id="line-375"> }</span> |
| <span class="source-line-no">376</span><span id="line-376"></span> |
| <span class="source-line-no">377</span><span id="line-377"> @Override</span> |
| <span class="source-line-no">378</span><span id="line-378"> public void addFront(final Procedure proc) {</span> |
| <span class="source-line-no">379</span><span id="line-379"> addFrontCalls++;</span> |
| <span class="source-line-no">380</span><span id="line-380"> super.addFront(proc);</span> |
| <span class="source-line-no">381</span><span id="line-381"> }</span> |
| <span class="source-line-no">382</span><span id="line-382"></span> |
| <span class="source-line-no">383</span><span id="line-383"> @Override</span> |
| <span class="source-line-no">384</span><span id="line-384"> public void addBack(final Procedure proc) {</span> |
| <span class="source-line-no">385</span><span id="line-385"> addBackCalls++;</span> |
| <span class="source-line-no">386</span><span id="line-386"> super.addBack(proc);</span> |
| <span class="source-line-no">387</span><span id="line-387"> }</span> |
| <span class="source-line-no">388</span><span id="line-388"></span> |
| <span class="source-line-no">389</span><span id="line-389"> @Override</span> |
| <span class="source-line-no">390</span><span id="line-390"> public void yield(final Procedure proc) {</span> |
| <span class="source-line-no">391</span><span id="line-391"> yieldCalls++;</span> |
| <span class="source-line-no">392</span><span id="line-392"> super.yield(proc);</span> |
| <span class="source-line-no">393</span><span id="line-393"> }</span> |
| <span class="source-line-no">394</span><span id="line-394"></span> |
| <span class="source-line-no">395</span><span id="line-395"> @Override</span> |
| <span class="source-line-no">396</span><span id="line-396"> public Procedure poll() {</span> |
| <span class="source-line-no">397</span><span id="line-397"> pollCalls++;</span> |
| <span class="source-line-no">398</span><span id="line-398"> return super.poll();</span> |
| <span class="source-line-no">399</span><span id="line-399"> }</span> |
| <span class="source-line-no">400</span><span id="line-400"></span> |
| <span class="source-line-no">401</span><span id="line-401"> @Override</span> |
| <span class="source-line-no">402</span><span id="line-402"> public Procedure poll(long timeout, TimeUnit unit) {</span> |
| <span class="source-line-no">403</span><span id="line-403"> pollCalls++;</span> |
| <span class="source-line-no">404</span><span id="line-404"> return super.poll(timeout, unit);</span> |
| <span class="source-line-no">405</span><span id="line-405"> }</span> |
| <span class="source-line-no">406</span><span id="line-406"></span> |
| <span class="source-line-no">407</span><span id="line-407"> @Override</span> |
| <span class="source-line-no">408</span><span id="line-408"> public void completionCleanup(Procedure proc) {</span> |
| <span class="source-line-no">409</span><span id="line-409"> completionCalls++;</span> |
| <span class="source-line-no">410</span><span id="line-410"> }</span> |
| <span class="source-line-no">411</span><span id="line-411"> }</span> |
| <span class="source-line-no">412</span><span id="line-412">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
