blob: 2505d5906392b8c31b3f3421dbd5b3f684f42173 [file] [log] [blame]
<!DOCTYPE HTML>
<html lang="en">
<head>
<!-- Generated by javadoc (17) -->
<title>Source code</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="source: package: org.apache.hadoop.hbase.master.procedure, class: TestMasterProcedureScheduler, class: TestPeerProcedure">
<meta name="generator" content="javadoc/SourceToHTMLConverter">
<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style">
</head>
<body class="source-page">
<main role="main">
<div class="source-container">
<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.master.procedure;</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.assertFalse;</span>
<span class="source-line-no">022</span><span id="line-22">import static org.junit.Assert.assertNull;</span>
<span class="source-line-no">023</span><span id="line-23">import static org.junit.Assert.assertSame;</span>
<span class="source-line-no">024</span><span id="line-24">import static org.junit.Assert.assertTrue;</span>
<span class="source-line-no">025</span><span id="line-25"></span>
<span class="source-line-no">026</span><span id="line-26">import java.io.IOException;</span>
<span class="source-line-no">027</span><span id="line-27">import java.lang.reflect.Field;</span>
<span class="source-line-no">028</span><span id="line-28">import java.lang.reflect.Method;</span>
<span class="source-line-no">029</span><span id="line-29">import java.util.Arrays;</span>
<span class="source-line-no">030</span><span id="line-30">import java.util.HashMap;</span>
<span class="source-line-no">031</span><span id="line-31">import java.util.List;</span>
<span class="source-line-no">032</span><span id="line-32">import java.util.Map;</span>
<span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HBaseClassTestRule;</span>
<span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.ServerName;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.TableName;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.RegionInfo;</span>
<span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.RegionInfoBuilder;</span>
<span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.master.locking.LockProcedure;</span>
<span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.master.procedure.TableProcedureInterface.TableOperationType;</span>
<span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.procedure2.LockType;</span>
<span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.procedure2.LockedResource;</span>
<span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.procedure2.LockedResourceType;</span>
<span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.procedure2.Procedure;</span>
<span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.procedure2.ProcedureEvent;</span>
<span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility.TestProcedure;</span>
<span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.testclassification.MasterTests;</span>
<span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.testclassification.SmallTests;</span>
<span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">049</span><span id="line-49">import org.junit.After;</span>
<span class="source-line-no">050</span><span id="line-50">import org.junit.Before;</span>
<span class="source-line-no">051</span><span id="line-51">import org.junit.ClassRule;</span>
<span class="source-line-no">052</span><span id="line-52">import org.junit.Rule;</span>
<span class="source-line-no">053</span><span id="line-53">import org.junit.Test;</span>
<span class="source-line-no">054</span><span id="line-54">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">055</span><span id="line-55">import org.junit.rules.TestName;</span>
<span class="source-line-no">056</span><span id="line-56">import org.slf4j.Logger;</span>
<span class="source-line-no">057</span><span id="line-57">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">058</span><span id="line-58"></span>
<span class="source-line-no">059</span><span id="line-59">@Category({ MasterTests.class, SmallTests.class })</span>
<span class="source-line-no">060</span><span id="line-60">public class TestMasterProcedureScheduler {</span>
<span class="source-line-no">061</span><span id="line-61"></span>
<span class="source-line-no">062</span><span id="line-62"> @ClassRule</span>
<span class="source-line-no">063</span><span id="line-63"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">064</span><span id="line-64"> HBaseClassTestRule.forClass(TestMasterProcedureScheduler.class);</span>
<span class="source-line-no">065</span><span id="line-65"></span>
<span class="source-line-no">066</span><span id="line-66"> private static final Logger LOG = LoggerFactory.getLogger(TestMasterProcedureScheduler.class);</span>
<span class="source-line-no">067</span><span id="line-67"></span>
<span class="source-line-no">068</span><span id="line-68"> private MasterProcedureScheduler queue;</span>
<span class="source-line-no">069</span><span id="line-69"></span>
<span class="source-line-no">070</span><span id="line-70"> private Map&lt;Long, Procedure&lt;?&gt;&gt; procedures;</span>
<span class="source-line-no">071</span><span id="line-71"></span>
<span class="source-line-no">072</span><span id="line-72"> @Rule</span>
<span class="source-line-no">073</span><span id="line-73"> public TestName name = new TestName();</span>
<span class="source-line-no">074</span><span id="line-74"></span>
<span class="source-line-no">075</span><span id="line-75"> @Before</span>
<span class="source-line-no">076</span><span id="line-76"> public void setUp() throws IOException {</span>
<span class="source-line-no">077</span><span id="line-77"> procedures = new HashMap&lt;&gt;();</span>
<span class="source-line-no">078</span><span id="line-78"> queue = new MasterProcedureScheduler(procedures::get);</span>
<span class="source-line-no">079</span><span id="line-79"> queue.start();</span>
<span class="source-line-no">080</span><span id="line-80"> }</span>
<span class="source-line-no">081</span><span id="line-81"></span>
<span class="source-line-no">082</span><span id="line-82"> @After</span>
<span class="source-line-no">083</span><span id="line-83"> public void tearDown() throws IOException {</span>
<span class="source-line-no">084</span><span id="line-84"> assertEquals("proc-queue expected to be empty", 0, queue.size());</span>
<span class="source-line-no">085</span><span id="line-85"> queue.stop();</span>
<span class="source-line-no">086</span><span id="line-86"> queue.clear();</span>
<span class="source-line-no">087</span><span id="line-87"> }</span>
<span class="source-line-no">088</span><span id="line-88"></span>
<span class="source-line-no">089</span><span id="line-89"> /**</span>
<span class="source-line-no">090</span><span id="line-90"> * Verify simple create/insert/fetch/delete of the table queue.</span>
<span class="source-line-no">091</span><span id="line-91"> */</span>
<span class="source-line-no">092</span><span id="line-92"> @Test</span>
<span class="source-line-no">093</span><span id="line-93"> public void testSimpleTableOpsQueues() throws Exception {</span>
<span class="source-line-no">094</span><span id="line-94"> final int NUM_TABLES = 10;</span>
<span class="source-line-no">095</span><span id="line-95"> final int NUM_ITEMS = 10;</span>
<span class="source-line-no">096</span><span id="line-96"></span>
<span class="source-line-no">097</span><span id="line-97"> int count = 0;</span>
<span class="source-line-no">098</span><span id="line-98"> for (int i = 1; i &lt;= NUM_TABLES; ++i) {</span>
<span class="source-line-no">099</span><span id="line-99"> TableName tableName = TableName.valueOf(String.format("test-%04d", i));</span>
<span class="source-line-no">100</span><span id="line-100"> // insert items</span>
<span class="source-line-no">101</span><span id="line-101"> for (int j = 1; j &lt;= NUM_ITEMS; ++j) {</span>
<span class="source-line-no">102</span><span id="line-102"> queue.addBack(new TestTableProcedure(i * 1000 + j, tableName,</span>
<span class="source-line-no">103</span><span id="line-103"> TableProcedureInterface.TableOperationType.REGION_EDIT));</span>
<span class="source-line-no">104</span><span id="line-104"> assertEquals(++count, queue.size());</span>
<span class="source-line-no">105</span><span id="line-105"> }</span>
<span class="source-line-no">106</span><span id="line-106"> }</span>
<span class="source-line-no">107</span><span id="line-107"> assertEquals(NUM_TABLES * NUM_ITEMS, queue.size());</span>
<span class="source-line-no">108</span><span id="line-108"></span>
<span class="source-line-no">109</span><span id="line-109"> for (int j = 1; j &lt;= NUM_ITEMS; ++j) {</span>
<span class="source-line-no">110</span><span id="line-110"> for (int i = 1; i &lt;= NUM_TABLES; ++i) {</span>
<span class="source-line-no">111</span><span id="line-111"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">112</span><span id="line-112"> assertTrue(proc != null);</span>
<span class="source-line-no">113</span><span id="line-113"> TableName tableName = ((TestTableProcedure) proc).getTableName();</span>
<span class="source-line-no">114</span><span id="line-114"> queue.waitTableExclusiveLock(proc, tableName);</span>
<span class="source-line-no">115</span><span id="line-115"> queue.wakeTableExclusiveLock(proc, tableName);</span>
<span class="source-line-no">116</span><span id="line-116"> queue.completionCleanup(proc);</span>
<span class="source-line-no">117</span><span id="line-117"> assertEquals(--count, queue.size());</span>
<span class="source-line-no">118</span><span id="line-118"> assertEquals(i * 1000 + j, proc.getProcId());</span>
<span class="source-line-no">119</span><span id="line-119"> }</span>
<span class="source-line-no">120</span><span id="line-120"> }</span>
<span class="source-line-no">121</span><span id="line-121"> assertEquals(0, queue.size());</span>
<span class="source-line-no">122</span><span id="line-122"></span>
<span class="source-line-no">123</span><span id="line-123"> for (int i = 1; i &lt;= NUM_TABLES; ++i) {</span>
<span class="source-line-no">124</span><span id="line-124"> final TableName tableName = TableName.valueOf(String.format("test-%04d", i));</span>
<span class="source-line-no">125</span><span id="line-125"> final TestTableProcedure dummyProc =</span>
<span class="source-line-no">126</span><span id="line-126"> new TestTableProcedure(100, tableName, TableProcedureInterface.TableOperationType.DELETE);</span>
<span class="source-line-no">127</span><span id="line-127"> // complete the table deletion</span>
<span class="source-line-no">128</span><span id="line-128"> assertTrue(queue.markTableAsDeleted(tableName, dummyProc));</span>
<span class="source-line-no">129</span><span id="line-129"> }</span>
<span class="source-line-no">130</span><span id="line-130"> }</span>
<span class="source-line-no">131</span><span id="line-131"></span>
<span class="source-line-no">132</span><span id="line-132"> /**</span>
<span class="source-line-no">133</span><span id="line-133"> * Check that the table queue is not deletable until every procedure in-progress is completed</span>
<span class="source-line-no">134</span><span id="line-134"> * (this is a special case for write-locks).</span>
<span class="source-line-no">135</span><span id="line-135"> */</span>
<span class="source-line-no">136</span><span id="line-136"> @Test</span>
<span class="source-line-no">137</span><span id="line-137"> public void testCreateDeleteTableOperationsWithWriteLock() throws Exception {</span>
<span class="source-line-no">138</span><span id="line-138"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">139</span><span id="line-139"></span>
<span class="source-line-no">140</span><span id="line-140"> final TestTableProcedure dummyProc =</span>
<span class="source-line-no">141</span><span id="line-141"> new TestTableProcedure(100, tableName, TableProcedureInterface.TableOperationType.DELETE);</span>
<span class="source-line-no">142</span><span id="line-142"></span>
<span class="source-line-no">143</span><span id="line-143"> queue.addBack(</span>
<span class="source-line-no">144</span><span id="line-144"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">145</span><span id="line-145"></span>
<span class="source-line-no">146</span><span id="line-146"> // table can't be deleted because one item is in the queue</span>
<span class="source-line-no">147</span><span id="line-147"> assertFalse(queue.markTableAsDeleted(tableName, dummyProc));</span>
<span class="source-line-no">148</span><span id="line-148"></span>
<span class="source-line-no">149</span><span id="line-149"> // fetch item and take a lock</span>
<span class="source-line-no">150</span><span id="line-150"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">151</span><span id="line-151"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">152</span><span id="line-152"> // take the xlock</span>
<span class="source-line-no">153</span><span id="line-153"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">154</span><span id="line-154"> // table can't be deleted because we have the lock</span>
<span class="source-line-no">155</span><span id="line-155"> assertEquals(0, queue.size());</span>
<span class="source-line-no">156</span><span id="line-156"> assertFalse(queue.markTableAsDeleted(tableName, dummyProc));</span>
<span class="source-line-no">157</span><span id="line-157"> // release the xlock</span>
<span class="source-line-no">158</span><span id="line-158"> queue.wakeTableExclusiveLock(proc, tableName);</span>
<span class="source-line-no">159</span><span id="line-159"> // complete the table deletion</span>
<span class="source-line-no">160</span><span id="line-160"> assertTrue(queue.markTableAsDeleted(tableName, proc));</span>
<span class="source-line-no">161</span><span id="line-161"> }</span>
<span class="source-line-no">162</span><span id="line-162"></span>
<span class="source-line-no">163</span><span id="line-163"> /**</span>
<span class="source-line-no">164</span><span id="line-164"> * Check that the table queue is not deletable until every procedure in-progress is completed</span>
<span class="source-line-no">165</span><span id="line-165"> * (this is a special case for read-locks).</span>
<span class="source-line-no">166</span><span id="line-166"> */</span>
<span class="source-line-no">167</span><span id="line-167"> @Test</span>
<span class="source-line-no">168</span><span id="line-168"> public void testCreateDeleteTableOperationsWithReadLock() throws Exception {</span>
<span class="source-line-no">169</span><span id="line-169"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">170</span><span id="line-170"> final int nitems = 2;</span>
<span class="source-line-no">171</span><span id="line-171"></span>
<span class="source-line-no">172</span><span id="line-172"> final TestTableProcedure dummyProc =</span>
<span class="source-line-no">173</span><span id="line-173"> new TestTableProcedure(100, tableName, TableProcedureInterface.TableOperationType.DELETE);</span>
<span class="source-line-no">174</span><span id="line-174"></span>
<span class="source-line-no">175</span><span id="line-175"> for (int i = 1; i &lt;= nitems; ++i) {</span>
<span class="source-line-no">176</span><span id="line-176"> queue.addBack(</span>
<span class="source-line-no">177</span><span id="line-177"> new TestTableProcedure(i, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">178</span><span id="line-178"> }</span>
<span class="source-line-no">179</span><span id="line-179"></span>
<span class="source-line-no">180</span><span id="line-180"> // table can't be deleted because one item is in the queue</span>
<span class="source-line-no">181</span><span id="line-181"> assertFalse(queue.markTableAsDeleted(tableName, dummyProc));</span>
<span class="source-line-no">182</span><span id="line-182"></span>
<span class="source-line-no">183</span><span id="line-183"> Procedure&lt;?&gt;[] procs = new Procedure[nitems];</span>
<span class="source-line-no">184</span><span id="line-184"> for (int i = 0; i &lt; nitems; ++i) {</span>
<span class="source-line-no">185</span><span id="line-185"> // fetch item and take a lock</span>
<span class="source-line-no">186</span><span id="line-186"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">187</span><span id="line-187"> procs[i] = proc;</span>
<span class="source-line-no">188</span><span id="line-188"> assertEquals(i + 1, proc.getProcId());</span>
<span class="source-line-no">189</span><span id="line-189"> // take the rlock</span>
<span class="source-line-no">190</span><span id="line-190"> assertEquals(false, queue.waitTableSharedLock(proc, tableName));</span>
<span class="source-line-no">191</span><span id="line-191"> // table can't be deleted because we have locks and/or items in the queue</span>
<span class="source-line-no">192</span><span id="line-192"> assertFalse(queue.markTableAsDeleted(tableName, dummyProc));</span>
<span class="source-line-no">193</span><span id="line-193"> }</span>
<span class="source-line-no">194</span><span id="line-194"></span>
<span class="source-line-no">195</span><span id="line-195"> for (int i = 0; i &lt; nitems; ++i) {</span>
<span class="source-line-no">196</span><span id="line-196"> // table can't be deleted because we have locks</span>
<span class="source-line-no">197</span><span id="line-197"> assertFalse(queue.markTableAsDeleted(tableName, dummyProc));</span>
<span class="source-line-no">198</span><span id="line-198"> // release the rlock</span>
<span class="source-line-no">199</span><span id="line-199"> queue.wakeTableSharedLock(procs[i], tableName);</span>
<span class="source-line-no">200</span><span id="line-200"> }</span>
<span class="source-line-no">201</span><span id="line-201"></span>
<span class="source-line-no">202</span><span id="line-202"> // there are no items and no lock in the queeu</span>
<span class="source-line-no">203</span><span id="line-203"> assertEquals(0, queue.size());</span>
<span class="source-line-no">204</span><span id="line-204"> // complete the table deletion</span>
<span class="source-line-no">205</span><span id="line-205"> assertTrue(queue.markTableAsDeleted(tableName, dummyProc));</span>
<span class="source-line-no">206</span><span id="line-206"> }</span>
<span class="source-line-no">207</span><span id="line-207"></span>
<span class="source-line-no">208</span><span id="line-208"> /**</span>
<span class="source-line-no">209</span><span id="line-209"> * Verify the correct logic of RWLocks on the queue</span>
<span class="source-line-no">210</span><span id="line-210"> */</span>
<span class="source-line-no">211</span><span id="line-211"> @Test</span>
<span class="source-line-no">212</span><span id="line-212"> public void testVerifyRwLocks() throws Exception {</span>
<span class="source-line-no">213</span><span id="line-213"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">214</span><span id="line-214"> queue.addBack(</span>
<span class="source-line-no">215</span><span id="line-215"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">216</span><span id="line-216"> queue.addBack(</span>
<span class="source-line-no">217</span><span id="line-217"> new TestTableProcedure(2, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">218</span><span id="line-218"> queue.addBack(</span>
<span class="source-line-no">219</span><span id="line-219"> new TestTableProcedure(3, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">220</span><span id="line-220"></span>
<span class="source-line-no">221</span><span id="line-221"> // Fetch the 1st item and take the write lock</span>
<span class="source-line-no">222</span><span id="line-222"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">223</span><span id="line-223"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">224</span><span id="line-224"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">225</span><span id="line-225"></span>
<span class="source-line-no">226</span><span id="line-226"> // Fetch the 2nd item and verify that the lock can't be acquired</span>
<span class="source-line-no">227</span><span id="line-227"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">228</span><span id="line-228"></span>
<span class="source-line-no">229</span><span id="line-229"> // Release the write lock and acquire the read lock</span>
<span class="source-line-no">230</span><span id="line-230"> releaseTableExclusiveLockAndComplete(proc, tableName);</span>
<span class="source-line-no">231</span><span id="line-231"></span>
<span class="source-line-no">232</span><span id="line-232"> // Fetch the 2nd item and take the read lock</span>
<span class="source-line-no">233</span><span id="line-233"> Procedure&lt;?&gt; rdProc = queue.poll();</span>
<span class="source-line-no">234</span><span id="line-234"> assertEquals(2, rdProc.getProcId());</span>
<span class="source-line-no">235</span><span id="line-235"> assertEquals(false, queue.waitTableSharedLock(rdProc, tableName));</span>
<span class="source-line-no">236</span><span id="line-236"></span>
<span class="source-line-no">237</span><span id="line-237"> // Fetch the 3rd item and verify that the lock can't be acquired</span>
<span class="source-line-no">238</span><span id="line-238"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">239</span><span id="line-239"></span>
<span class="source-line-no">240</span><span id="line-240"> // release the rdlock of item 2 and take the wrlock for the 3d item</span>
<span class="source-line-no">241</span><span id="line-241"> queue.wakeTableSharedLock(rdProc, tableName);</span>
<span class="source-line-no">242</span><span id="line-242"></span>
<span class="source-line-no">243</span><span id="line-243"> queue.addBack(</span>
<span class="source-line-no">244</span><span id="line-244"> new TestTableProcedure(4, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">245</span><span id="line-245"> queue.addBack(</span>
<span class="source-line-no">246</span><span id="line-246"> new TestTableProcedure(5, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">247</span><span id="line-247"></span>
<span class="source-line-no">248</span><span id="line-248"> // Fetch the 3rd item and take the write lock</span>
<span class="source-line-no">249</span><span id="line-249"> Procedure&lt;?&gt; wrProc = queue.poll();</span>
<span class="source-line-no">250</span><span id="line-250"> assertEquals(false, queue.waitTableExclusiveLock(wrProc, tableName));</span>
<span class="source-line-no">251</span><span id="line-251"></span>
<span class="source-line-no">252</span><span id="line-252"> // Fetch 4th item and verify that the lock can't be acquired</span>
<span class="source-line-no">253</span><span id="line-253"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">254</span><span id="line-254"></span>
<span class="source-line-no">255</span><span id="line-255"> // Release the write lock and acquire the read lock</span>
<span class="source-line-no">256</span><span id="line-256"> releaseTableExclusiveLockAndComplete(wrProc, tableName);</span>
<span class="source-line-no">257</span><span id="line-257"></span>
<span class="source-line-no">258</span><span id="line-258"> // Fetch the 4th item and take the read lock</span>
<span class="source-line-no">259</span><span id="line-259"> rdProc = queue.poll();</span>
<span class="source-line-no">260</span><span id="line-260"> assertEquals(4, rdProc.getProcId());</span>
<span class="source-line-no">261</span><span id="line-261"> assertEquals(false, queue.waitTableSharedLock(rdProc, tableName));</span>
<span class="source-line-no">262</span><span id="line-262"></span>
<span class="source-line-no">263</span><span id="line-263"> // Fetch the 4th item and take the read lock</span>
<span class="source-line-no">264</span><span id="line-264"> Procedure&lt;?&gt; rdProc2 = queue.poll();</span>
<span class="source-line-no">265</span><span id="line-265"> assertEquals(5, rdProc2.getProcId());</span>
<span class="source-line-no">266</span><span id="line-266"> assertEquals(false, queue.waitTableSharedLock(rdProc2, tableName));</span>
<span class="source-line-no">267</span><span id="line-267"></span>
<span class="source-line-no">268</span><span id="line-268"> // Release 4th and 5th read-lock</span>
<span class="source-line-no">269</span><span id="line-269"> queue.wakeTableSharedLock(rdProc, tableName);</span>
<span class="source-line-no">270</span><span id="line-270"> queue.wakeTableSharedLock(rdProc2, tableName);</span>
<span class="source-line-no">271</span><span id="line-271"></span>
<span class="source-line-no">272</span><span id="line-272"> // remove table queue</span>
<span class="source-line-no">273</span><span id="line-273"> assertEquals(0, queue.size());</span>
<span class="source-line-no">274</span><span id="line-274"> assertTrue("queue should be deleted", queue.markTableAsDeleted(tableName, wrProc));</span>
<span class="source-line-no">275</span><span id="line-275"> }</span>
<span class="source-line-no">276</span><span id="line-276"></span>
<span class="source-line-no">277</span><span id="line-277"> @Test</span>
<span class="source-line-no">278</span><span id="line-278"> public void testVerifyNamespaceRwLocks() throws Exception {</span>
<span class="source-line-no">279</span><span id="line-279"> String nsName1 = "ns1";</span>
<span class="source-line-no">280</span><span id="line-280"> String nsName2 = "ns2";</span>
<span class="source-line-no">281</span><span id="line-281"> TableName tableName1 = TableName.valueOf(nsName1, name.getMethodName());</span>
<span class="source-line-no">282</span><span id="line-282"> TableName tableName2 = TableName.valueOf(nsName2, name.getMethodName());</span>
<span class="source-line-no">283</span><span id="line-283"> queue.addBack(</span>
<span class="source-line-no">284</span><span id="line-284"> new TestNamespaceProcedure(1, nsName1, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">285</span><span id="line-285"> queue.addBack(</span>
<span class="source-line-no">286</span><span id="line-286"> new TestTableProcedure(2, tableName1, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">287</span><span id="line-287"> queue.addBack(</span>
<span class="source-line-no">288</span><span id="line-288"> new TestTableProcedure(3, tableName2, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">289</span><span id="line-289"> queue.addBack(</span>
<span class="source-line-no">290</span><span id="line-290"> new TestNamespaceProcedure(4, nsName2, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">291</span><span id="line-291"></span>
<span class="source-line-no">292</span><span id="line-292"> // Fetch the 1st item and take the write lock</span>
<span class="source-line-no">293</span><span id="line-293"> Procedure&lt;?&gt; procNs1 = queue.poll();</span>
<span class="source-line-no">294</span><span id="line-294"> assertEquals(1, procNs1.getProcId());</span>
<span class="source-line-no">295</span><span id="line-295"> assertFalse(queue.waitNamespaceExclusiveLock(procNs1, nsName1));</span>
<span class="source-line-no">296</span><span id="line-296"></span>
<span class="source-line-no">297</span><span id="line-297"> // namespace table has higher priority so we still return procedure for it</span>
<span class="source-line-no">298</span><span id="line-298"> Procedure&lt;?&gt; procNs2 = queue.poll();</span>
<span class="source-line-no">299</span><span id="line-299"> assertEquals(4, procNs2.getProcId());</span>
<span class="source-line-no">300</span><span id="line-300"> assertFalse(queue.waitNamespaceExclusiveLock(procNs2, nsName2));</span>
<span class="source-line-no">301</span><span id="line-301"> queue.wakeNamespaceExclusiveLock(procNs2, nsName2);</span>
<span class="source-line-no">302</span><span id="line-302"></span>
<span class="source-line-no">303</span><span id="line-303"> // add procNs2 back in the queue</span>
<span class="source-line-no">304</span><span id="line-304"> queue.yield(procNs2);</span>
<span class="source-line-no">305</span><span id="line-305"></span>
<span class="source-line-no">306</span><span id="line-306"> // again</span>
<span class="source-line-no">307</span><span id="line-307"> procNs2 = queue.poll();</span>
<span class="source-line-no">308</span><span id="line-308"> assertEquals(4, procNs2.getProcId());</span>
<span class="source-line-no">309</span><span id="line-309"> assertFalse(queue.waitNamespaceExclusiveLock(procNs2, nsName2));</span>
<span class="source-line-no">310</span><span id="line-310"></span>
<span class="source-line-no">311</span><span id="line-311"> // ns1 and ns2 are both locked so we get nothing</span>
<span class="source-line-no">312</span><span id="line-312"> assertNull(queue.poll());</span>
<span class="source-line-no">313</span><span id="line-313"></span>
<span class="source-line-no">314</span><span id="line-314"> // release the ns1 lock</span>
<span class="source-line-no">315</span><span id="line-315"> queue.wakeNamespaceExclusiveLock(procNs1, nsName1);</span>
<span class="source-line-no">316</span><span id="line-316"></span>
<span class="source-line-no">317</span><span id="line-317"> // we are now able to execute table of ns1</span>
<span class="source-line-no">318</span><span id="line-318"> long procId = queue.poll().getProcId();</span>
<span class="source-line-no">319</span><span id="line-319"> assertEquals(2, procId);</span>
<span class="source-line-no">320</span><span id="line-320"></span>
<span class="source-line-no">321</span><span id="line-321"> // release ns2</span>
<span class="source-line-no">322</span><span id="line-322"> queue.wakeNamespaceExclusiveLock(procNs2, nsName2);</span>
<span class="source-line-no">323</span><span id="line-323"></span>
<span class="source-line-no">324</span><span id="line-324"> // we are now able to execute table of ns2</span>
<span class="source-line-no">325</span><span id="line-325"> procId = queue.poll().getProcId();</span>
<span class="source-line-no">326</span><span id="line-326"> assertEquals(3, procId);</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"> @Test</span>
<span class="source-line-no">330</span><span id="line-330"> public void testVerifyNamespaceXLock() throws Exception {</span>
<span class="source-line-no">331</span><span id="line-331"> String nsName = "ns1";</span>
<span class="source-line-no">332</span><span id="line-332"> TableName tableName = TableName.valueOf(nsName, name.getMethodName());</span>
<span class="source-line-no">333</span><span id="line-333"> queue.addBack(</span>
<span class="source-line-no">334</span><span id="line-334"> new TestNamespaceProcedure(1, nsName, TableProcedureInterface.TableOperationType.CREATE));</span>
<span class="source-line-no">335</span><span id="line-335"> queue.addBack(</span>
<span class="source-line-no">336</span><span id="line-336"> new TestTableProcedure(2, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">337</span><span id="line-337"></span>
<span class="source-line-no">338</span><span id="line-338"> // Fetch the ns item and take the xlock</span>
<span class="source-line-no">339</span><span id="line-339"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">340</span><span id="line-340"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">341</span><span id="line-341"> assertEquals(false, queue.waitNamespaceExclusiveLock(proc, nsName));</span>
<span class="source-line-no">342</span><span id="line-342"></span>
<span class="source-line-no">343</span><span id="line-343"> // the table operation can't be executed because the ns is locked</span>
<span class="source-line-no">344</span><span id="line-344"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">345</span><span id="line-345"></span>
<span class="source-line-no">346</span><span id="line-346"> // release the ns lock</span>
<span class="source-line-no">347</span><span id="line-347"> queue.wakeNamespaceExclusiveLock(proc, nsName);</span>
<span class="source-line-no">348</span><span id="line-348"></span>
<span class="source-line-no">349</span><span id="line-349"> proc = queue.poll();</span>
<span class="source-line-no">350</span><span id="line-350"> assertEquals(2, proc.getProcId());</span>
<span class="source-line-no">351</span><span id="line-351"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">352</span><span id="line-352"> queue.wakeTableExclusiveLock(proc, tableName);</span>
<span class="source-line-no">353</span><span id="line-353"> }</span>
<span class="source-line-no">354</span><span id="line-354"></span>
<span class="source-line-no">355</span><span id="line-355"> @Test</span>
<span class="source-line-no">356</span><span id="line-356"> public void testXLockWaitingForExecutingSharedLockToRelease() {</span>
<span class="source-line-no">357</span><span id="line-357"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">358</span><span id="line-358"> final RegionInfo regionA = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">359</span><span id="line-359"> .setStartKey(Bytes.toBytes("a")).setEndKey(Bytes.toBytes("b")).build();</span>
<span class="source-line-no">360</span><span id="line-360"></span>
<span class="source-line-no">361</span><span id="line-361"> queue.addBack(new TestRegionProcedure(1, tableName,</span>
<span class="source-line-no">362</span><span id="line-362"> TableProcedureInterface.TableOperationType.REGION_ASSIGN, regionA));</span>
<span class="source-line-no">363</span><span id="line-363"> queue.addBack(</span>
<span class="source-line-no">364</span><span id="line-364"> new TestTableProcedure(2, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">365</span><span id="line-365"></span>
<span class="source-line-no">366</span><span id="line-366"> // Fetch the 1st item and take the shared lock</span>
<span class="source-line-no">367</span><span id="line-367"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">368</span><span id="line-368"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">369</span><span id="line-369"> assertEquals(false, queue.waitRegion(proc, regionA));</span>
<span class="source-line-no">370</span><span id="line-370"></span>
<span class="source-line-no">371</span><span id="line-371"> // the xlock operation in the queue can't be executed</span>
<span class="source-line-no">372</span><span id="line-372"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">373</span><span id="line-373"></span>
<span class="source-line-no">374</span><span id="line-374"> // release the shared lock</span>
<span class="source-line-no">375</span><span id="line-375"> queue.wakeRegion(proc, regionA);</span>
<span class="source-line-no">376</span><span id="line-376"></span>
<span class="source-line-no">377</span><span id="line-377"> // Fetch the 2nd item and take the xlock</span>
<span class="source-line-no">378</span><span id="line-378"> proc = queue.poll();</span>
<span class="source-line-no">379</span><span id="line-379"> assertEquals(2, proc.getProcId());</span>
<span class="source-line-no">380</span><span id="line-380"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">381</span><span id="line-381"></span>
<span class="source-line-no">382</span><span id="line-382"> queue.addBack(new TestRegionProcedure(3, tableName,</span>
<span class="source-line-no">383</span><span id="line-383"> TableProcedureInterface.TableOperationType.REGION_UNASSIGN, regionA));</span>
<span class="source-line-no">384</span><span id="line-384"></span>
<span class="source-line-no">385</span><span id="line-385"> // everything is locked by the table operation</span>
<span class="source-line-no">386</span><span id="line-386"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">387</span><span id="line-387"></span>
<span class="source-line-no">388</span><span id="line-388"> // release the table xlock</span>
<span class="source-line-no">389</span><span id="line-389"> queue.wakeTableExclusiveLock(proc, tableName);</span>
<span class="source-line-no">390</span><span id="line-390"></span>
<span class="source-line-no">391</span><span id="line-391"> // grab the last item in the queue</span>
<span class="source-line-no">392</span><span id="line-392"> proc = queue.poll();</span>
<span class="source-line-no">393</span><span id="line-393"> assertEquals(3, proc.getProcId());</span>
<span class="source-line-no">394</span><span id="line-394"></span>
<span class="source-line-no">395</span><span id="line-395"> // lock and unlock the region</span>
<span class="source-line-no">396</span><span id="line-396"> assertEquals(false, queue.waitRegion(proc, regionA));</span>
<span class="source-line-no">397</span><span id="line-397"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">398</span><span id="line-398"> queue.wakeRegion(proc, regionA);</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"> @Test</span>
<span class="source-line-no">402</span><span id="line-402"> public void testVerifyRegionLocks() throws Exception {</span>
<span class="source-line-no">403</span><span id="line-403"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">404</span><span id="line-404"> final RegionInfo regionA = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">405</span><span id="line-405"> .setStartKey(Bytes.toBytes("a")).setEndKey(Bytes.toBytes("b")).build();</span>
<span class="source-line-no">406</span><span id="line-406"> final RegionInfo regionB = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">407</span><span id="line-407"> .setStartKey(Bytes.toBytes("b")).setEndKey(Bytes.toBytes("c")).build();</span>
<span class="source-line-no">408</span><span id="line-408"> final RegionInfo regionC = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">409</span><span id="line-409"> .setStartKey(Bytes.toBytes("c")).setEndKey(Bytes.toBytes("d")).build();</span>
<span class="source-line-no">410</span><span id="line-410"></span>
<span class="source-line-no">411</span><span id="line-411"> queue.addBack(</span>
<span class="source-line-no">412</span><span id="line-412"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">413</span><span id="line-413"> queue.addBack(new TestRegionProcedure(2, tableName,</span>
<span class="source-line-no">414</span><span id="line-414"> TableProcedureInterface.TableOperationType.REGION_MERGE, regionA, regionB));</span>
<span class="source-line-no">415</span><span id="line-415"> queue.addBack(new TestRegionProcedure(3, tableName,</span>
<span class="source-line-no">416</span><span id="line-416"> TableProcedureInterface.TableOperationType.REGION_SPLIT, regionA));</span>
<span class="source-line-no">417</span><span id="line-417"> queue.addBack(new TestRegionProcedure(4, tableName,</span>
<span class="source-line-no">418</span><span id="line-418"> TableProcedureInterface.TableOperationType.REGION_SPLIT, regionB));</span>
<span class="source-line-no">419</span><span id="line-419"> queue.addBack(new TestRegionProcedure(5, tableName,</span>
<span class="source-line-no">420</span><span id="line-420"> TableProcedureInterface.TableOperationType.REGION_UNASSIGN, regionC));</span>
<span class="source-line-no">421</span><span id="line-421"></span>
<span class="source-line-no">422</span><span id="line-422"> // Fetch the 1st item and take the write lock</span>
<span class="source-line-no">423</span><span id="line-423"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">424</span><span id="line-424"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">425</span><span id="line-425"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">426</span><span id="line-426"></span>
<span class="source-line-no">427</span><span id="line-427"> // everything is locked by the table operation</span>
<span class="source-line-no">428</span><span id="line-428"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">429</span><span id="line-429"></span>
<span class="source-line-no">430</span><span id="line-430"> // release the table lock</span>
<span class="source-line-no">431</span><span id="line-431"> queue.wakeTableExclusiveLock(proc, tableName);</span>
<span class="source-line-no">432</span><span id="line-432"></span>
<span class="source-line-no">433</span><span id="line-433"> // Fetch the 2nd item and the the lock on regionA and regionB</span>
<span class="source-line-no">434</span><span id="line-434"> Procedure&lt;?&gt; mergeProc = queue.poll();</span>
<span class="source-line-no">435</span><span id="line-435"> assertEquals(2, mergeProc.getProcId());</span>
<span class="source-line-no">436</span><span id="line-436"> assertEquals(false, queue.waitRegions(mergeProc, tableName, regionA, regionB));</span>
<span class="source-line-no">437</span><span id="line-437"></span>
<span class="source-line-no">438</span><span id="line-438"> // Fetch the 3rd item and the try to lock region A which will fail</span>
<span class="source-line-no">439</span><span id="line-439"> // because already locked. this procedure will go in waiting.</span>
<span class="source-line-no">440</span><span id="line-440"> // (this stuff will be explicit until we get rid of the zk-lock)</span>
<span class="source-line-no">441</span><span id="line-441"> Procedure&lt;?&gt; procA = queue.poll();</span>
<span class="source-line-no">442</span><span id="line-442"> assertEquals(3, procA.getProcId());</span>
<span class="source-line-no">443</span><span id="line-443"> assertEquals(true, queue.waitRegions(procA, tableName, regionA));</span>
<span class="source-line-no">444</span><span id="line-444"></span>
<span class="source-line-no">445</span><span id="line-445"> // Fetch the 4th item, same story as the 3rd</span>
<span class="source-line-no">446</span><span id="line-446"> Procedure&lt;?&gt; procB = queue.poll();</span>
<span class="source-line-no">447</span><span id="line-447"> assertEquals(4, procB.getProcId());</span>
<span class="source-line-no">448</span><span id="line-448"> assertEquals(true, queue.waitRegions(procB, tableName, regionB));</span>
<span class="source-line-no">449</span><span id="line-449"></span>
<span class="source-line-no">450</span><span id="line-450"> // Fetch the 5th item, since it is a non-locked region we are able to execute it</span>
<span class="source-line-no">451</span><span id="line-451"> Procedure&lt;?&gt; procC = queue.poll();</span>
<span class="source-line-no">452</span><span id="line-452"> assertEquals(5, procC.getProcId());</span>
<span class="source-line-no">453</span><span id="line-453"> assertEquals(false, queue.waitRegions(procC, tableName, regionC));</span>
<span class="source-line-no">454</span><span id="line-454"></span>
<span class="source-line-no">455</span><span id="line-455"> // 3rd and 4th are in the region suspended queue</span>
<span class="source-line-no">456</span><span id="line-456"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">457</span><span id="line-457"></span>
<span class="source-line-no">458</span><span id="line-458"> // Release region A-B from merge operation (procId=2)</span>
<span class="source-line-no">459</span><span id="line-459"> queue.wakeRegions(mergeProc, tableName, regionA, regionB);</span>
<span class="source-line-no">460</span><span id="line-460"></span>
<span class="source-line-no">461</span><span id="line-461"> // Fetch the 3rd item, now the lock on the region is available</span>
<span class="source-line-no">462</span><span id="line-462"> procA = queue.poll();</span>
<span class="source-line-no">463</span><span id="line-463"> assertEquals(3, procA.getProcId());</span>
<span class="source-line-no">464</span><span id="line-464"> assertEquals(false, queue.waitRegions(procA, tableName, regionA));</span>
<span class="source-line-no">465</span><span id="line-465"></span>
<span class="source-line-no">466</span><span id="line-466"> // Fetch the 4th item, now the lock on the region is available</span>
<span class="source-line-no">467</span><span id="line-467"> procB = queue.poll();</span>
<span class="source-line-no">468</span><span id="line-468"> assertEquals(4, procB.getProcId());</span>
<span class="source-line-no">469</span><span id="line-469"> assertEquals(false, queue.waitRegions(procB, tableName, regionB));</span>
<span class="source-line-no">470</span><span id="line-470"></span>
<span class="source-line-no">471</span><span id="line-471"> // release the locks on the regions</span>
<span class="source-line-no">472</span><span id="line-472"> queue.wakeRegions(procA, tableName, regionA);</span>
<span class="source-line-no">473</span><span id="line-473"> queue.wakeRegions(procB, tableName, regionB);</span>
<span class="source-line-no">474</span><span id="line-474"> queue.wakeRegions(procC, tableName, regionC);</span>
<span class="source-line-no">475</span><span id="line-475"> }</span>
<span class="source-line-no">476</span><span id="line-476"></span>
<span class="source-line-no">477</span><span id="line-477"> @Test</span>
<span class="source-line-no">478</span><span id="line-478"> public void testVerifySubProcRegionLocks() throws Exception {</span>
<span class="source-line-no">479</span><span id="line-479"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">480</span><span id="line-480"> final RegionInfo regionA = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">481</span><span id="line-481"> .setStartKey(Bytes.toBytes("a")).setEndKey(Bytes.toBytes("b")).build();</span>
<span class="source-line-no">482</span><span id="line-482"> final RegionInfo regionB = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">483</span><span id="line-483"> .setStartKey(Bytes.toBytes("b")).setEndKey(Bytes.toBytes("c")).build();</span>
<span class="source-line-no">484</span><span id="line-484"> final RegionInfo regionC = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">485</span><span id="line-485"> .setStartKey(Bytes.toBytes("c")).setEndKey(Bytes.toBytes("d")).build();</span>
<span class="source-line-no">486</span><span id="line-486"></span>
<span class="source-line-no">487</span><span id="line-487"> queue.addBack(</span>
<span class="source-line-no">488</span><span id="line-488"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.ENABLE));</span>
<span class="source-line-no">489</span><span id="line-489"></span>
<span class="source-line-no">490</span><span id="line-490"> // Fetch the 1st item from the queue, "the root procedure" and take the table lock</span>
<span class="source-line-no">491</span><span id="line-491"> Procedure&lt;?&gt; rootProc = queue.poll();</span>
<span class="source-line-no">492</span><span id="line-492"> assertEquals(1, rootProc.getProcId());</span>
<span class="source-line-no">493</span><span id="line-493"> assertEquals(false, queue.waitTableExclusiveLock(rootProc, tableName));</span>
<span class="source-line-no">494</span><span id="line-494"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">495</span><span id="line-495"></span>
<span class="source-line-no">496</span><span id="line-496"> // Execute the 1st step of the root-proc.</span>
<span class="source-line-no">497</span><span id="line-497"> // we should get 3 sub-proc back, one for each region.</span>
<span class="source-line-no">498</span><span id="line-498"> // (this step is done by the executor/rootProc, we are simulating it)</span>
<span class="source-line-no">499</span><span id="line-499"> Procedure&lt;?&gt;[] subProcs = new Procedure[] {</span>
<span class="source-line-no">500</span><span id="line-500"> new TestRegionProcedure(1, 2, tableName,</span>
<span class="source-line-no">501</span><span id="line-501"> TableProcedureInterface.TableOperationType.REGION_EDIT, regionA),</span>
<span class="source-line-no">502</span><span id="line-502"> new TestRegionProcedure(1, 3, tableName,</span>
<span class="source-line-no">503</span><span id="line-503"> TableProcedureInterface.TableOperationType.REGION_EDIT, regionB),</span>
<span class="source-line-no">504</span><span id="line-504"> new TestRegionProcedure(1, 4, tableName,</span>
<span class="source-line-no">505</span><span id="line-505"> TableProcedureInterface.TableOperationType.REGION_EDIT, regionC), };</span>
<span class="source-line-no">506</span><span id="line-506"></span>
<span class="source-line-no">507</span><span id="line-507"> // at this point the rootProc is going in a waiting state</span>
<span class="source-line-no">508</span><span id="line-508"> // and the sub-procedures will be added in the queue.</span>
<span class="source-line-no">509</span><span id="line-509"> // (this step is done by the executor, we are simulating it)</span>
<span class="source-line-no">510</span><span id="line-510"> for (int i = subProcs.length - 1; i &gt;= 0; --i) {</span>
<span class="source-line-no">511</span><span id="line-511"> queue.addFront(subProcs[i]);</span>
<span class="source-line-no">512</span><span id="line-512"> }</span>
<span class="source-line-no">513</span><span id="line-513"> assertEquals(subProcs.length, queue.size());</span>
<span class="source-line-no">514</span><span id="line-514"></span>
<span class="source-line-no">515</span><span id="line-515"> // we should be able to fetch and execute all the sub-procs,</span>
<span class="source-line-no">516</span><span id="line-516"> // since they are operating on different regions</span>
<span class="source-line-no">517</span><span id="line-517"> for (int i = 0; i &lt; subProcs.length; ++i) {</span>
<span class="source-line-no">518</span><span id="line-518"> TestRegionProcedure regionProc = (TestRegionProcedure) queue.poll(0);</span>
<span class="source-line-no">519</span><span id="line-519"> assertEquals(subProcs[i].getProcId(), regionProc.getProcId());</span>
<span class="source-line-no">520</span><span id="line-520"> assertEquals(false, queue.waitRegions(regionProc, tableName, regionProc.getRegionInfo()));</span>
<span class="source-line-no">521</span><span id="line-521"> }</span>
<span class="source-line-no">522</span><span id="line-522"></span>
<span class="source-line-no">523</span><span id="line-523"> // nothing else in the queue</span>
<span class="source-line-no">524</span><span id="line-524"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">525</span><span id="line-525"></span>
<span class="source-line-no">526</span><span id="line-526"> // release all the region locks</span>
<span class="source-line-no">527</span><span id="line-527"> for (int i = 0; i &lt; subProcs.length; ++i) {</span>
<span class="source-line-no">528</span><span id="line-528"> TestRegionProcedure regionProc = (TestRegionProcedure) subProcs[i];</span>
<span class="source-line-no">529</span><span id="line-529"> queue.wakeRegions(regionProc, tableName, regionProc.getRegionInfo());</span>
<span class="source-line-no">530</span><span id="line-530"> }</span>
<span class="source-line-no">531</span><span id="line-531"></span>
<span class="source-line-no">532</span><span id="line-532"> // nothing else in the queue</span>
<span class="source-line-no">533</span><span id="line-533"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">534</span><span id="line-534"></span>
<span class="source-line-no">535</span><span id="line-535"> // release the table lock (for the root procedure)</span>
<span class="source-line-no">536</span><span id="line-536"> queue.wakeTableExclusiveLock(rootProc, tableName);</span>
<span class="source-line-no">537</span><span id="line-537"> }</span>
<span class="source-line-no">538</span><span id="line-538"></span>
<span class="source-line-no">539</span><span id="line-539"> @Test</span>
<span class="source-line-no">540</span><span id="line-540"> public void testInheritedRegionXLock() {</span>
<span class="source-line-no">541</span><span id="line-541"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">542</span><span id="line-542"> final RegionInfo region = RegionInfoBuilder.newBuilder(tableName)</span>
<span class="source-line-no">543</span><span id="line-543"> .setStartKey(Bytes.toBytes("a")).setEndKey(Bytes.toBytes("b")).build();</span>
<span class="source-line-no">544</span><span id="line-544"></span>
<span class="source-line-no">545</span><span id="line-545"> queue.addBack(new TestRegionProcedure(1, tableName,</span>
<span class="source-line-no">546</span><span id="line-546"> TableProcedureInterface.TableOperationType.REGION_SPLIT, region));</span>
<span class="source-line-no">547</span><span id="line-547"> queue.addBack(new TestRegionProcedure(1, 2, tableName,</span>
<span class="source-line-no">548</span><span id="line-548"> TableProcedureInterface.TableOperationType.REGION_UNASSIGN, region));</span>
<span class="source-line-no">549</span><span id="line-549"> queue.addBack(new TestRegionProcedure(3, tableName,</span>
<span class="source-line-no">550</span><span id="line-550"> TableProcedureInterface.TableOperationType.REGION_EDIT, region));</span>
<span class="source-line-no">551</span><span id="line-551"></span>
<span class="source-line-no">552</span><span id="line-552"> // fetch the root proc and take the lock on the region</span>
<span class="source-line-no">553</span><span id="line-553"> Procedure&lt;?&gt; rootProc = queue.poll();</span>
<span class="source-line-no">554</span><span id="line-554"> assertEquals(1, rootProc.getProcId());</span>
<span class="source-line-no">555</span><span id="line-555"> assertEquals(false, queue.waitRegion(rootProc, region));</span>
<span class="source-line-no">556</span><span id="line-556"></span>
<span class="source-line-no">557</span><span id="line-557"> // fetch the sub-proc and take the lock on the region (inherited lock)</span>
<span class="source-line-no">558</span><span id="line-558"> Procedure&lt;?&gt; childProc = queue.poll();</span>
<span class="source-line-no">559</span><span id="line-559"> assertEquals(2, childProc.getProcId());</span>
<span class="source-line-no">560</span><span id="line-560"> assertEquals(false, queue.waitRegion(childProc, region));</span>
<span class="source-line-no">561</span><span id="line-561"></span>
<span class="source-line-no">562</span><span id="line-562"> // proc-3 will be fetched but it can't take the lock</span>
<span class="source-line-no">563</span><span id="line-563"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">564</span><span id="line-564"> assertEquals(3, proc.getProcId());</span>
<span class="source-line-no">565</span><span id="line-565"> assertEquals(true, queue.waitRegion(proc, region));</span>
<span class="source-line-no">566</span><span id="line-566"></span>
<span class="source-line-no">567</span><span id="line-567"> // release the child lock</span>
<span class="source-line-no">568</span><span id="line-568"> queue.wakeRegion(childProc, region);</span>
<span class="source-line-no">569</span><span id="line-569"></span>
<span class="source-line-no">570</span><span id="line-570"> // nothing in the queue (proc-3 is suspended)</span>
<span class="source-line-no">571</span><span id="line-571"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">572</span><span id="line-572"></span>
<span class="source-line-no">573</span><span id="line-573"> // release the root lock</span>
<span class="source-line-no">574</span><span id="line-574"> queue.wakeRegion(rootProc, region);</span>
<span class="source-line-no">575</span><span id="line-575"></span>
<span class="source-line-no">576</span><span id="line-576"> // proc-3 should be now available</span>
<span class="source-line-no">577</span><span id="line-577"> proc = queue.poll();</span>
<span class="source-line-no">578</span><span id="line-578"> assertEquals(3, proc.getProcId());</span>
<span class="source-line-no">579</span><span id="line-579"> assertEquals(false, queue.waitRegion(proc, region));</span>
<span class="source-line-no">580</span><span id="line-580"> queue.wakeRegion(proc, region);</span>
<span class="source-line-no">581</span><span id="line-581"> }</span>
<span class="source-line-no">582</span><span id="line-582"></span>
<span class="source-line-no">583</span><span id="line-583"> @Test</span>
<span class="source-line-no">584</span><span id="line-584"> public void testSuspendedProcedure() throws Exception {</span>
<span class="source-line-no">585</span><span id="line-585"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">586</span><span id="line-586"></span>
<span class="source-line-no">587</span><span id="line-587"> queue.addBack(</span>
<span class="source-line-no">588</span><span id="line-588"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">589</span><span id="line-589"> queue.addBack(</span>
<span class="source-line-no">590</span><span id="line-590"> new TestTableProcedure(2, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">591</span><span id="line-591"></span>
<span class="source-line-no">592</span><span id="line-592"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">593</span><span id="line-593"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">594</span><span id="line-594"></span>
<span class="source-line-no">595</span><span id="line-595"> // suspend</span>
<span class="source-line-no">596</span><span id="line-596"> ProcedureEvent&lt;?&gt; event = new ProcedureEvent&lt;&gt;("testSuspendedProcedureEvent");</span>
<span class="source-line-no">597</span><span id="line-597"> assertEquals(true, event.suspendIfNotReady(proc));</span>
<span class="source-line-no">598</span><span id="line-598"></span>
<span class="source-line-no">599</span><span id="line-599"> proc = queue.poll();</span>
<span class="source-line-no">600</span><span id="line-600"> assertEquals(2, proc.getProcId());</span>
<span class="source-line-no">601</span><span id="line-601"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">602</span><span id="line-602"></span>
<span class="source-line-no">603</span><span id="line-603"> // resume</span>
<span class="source-line-no">604</span><span id="line-604"> event.wake(queue);</span>
<span class="source-line-no">605</span><span id="line-605"></span>
<span class="source-line-no">606</span><span id="line-606"> proc = queue.poll();</span>
<span class="source-line-no">607</span><span id="line-607"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">608</span><span id="line-608"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">609</span><span id="line-609"> }</span>
<span class="source-line-no">610</span><span id="line-610"></span>
<span class="source-line-no">611</span><span id="line-611"> private static RegionInfo[] generateRegionInfo(final TableName tableName) {</span>
<span class="source-line-no">612</span><span id="line-612"> return new RegionInfo[] {</span>
<span class="source-line-no">613</span><span id="line-613"> RegionInfoBuilder.newBuilder(tableName).setStartKey(Bytes.toBytes("a"))</span>
<span class="source-line-no">614</span><span id="line-614"> .setEndKey(Bytes.toBytes("b")).build(),</span>
<span class="source-line-no">615</span><span id="line-615"> RegionInfoBuilder.newBuilder(tableName).setStartKey(Bytes.toBytes("b"))</span>
<span class="source-line-no">616</span><span id="line-616"> .setEndKey(Bytes.toBytes("c")).build(),</span>
<span class="source-line-no">617</span><span id="line-617"> RegionInfoBuilder.newBuilder(tableName).setStartKey(Bytes.toBytes("c"))</span>
<span class="source-line-no">618</span><span id="line-618"> .setEndKey(Bytes.toBytes("d")).build() };</span>
<span class="source-line-no">619</span><span id="line-619"> }</span>
<span class="source-line-no">620</span><span id="line-620"></span>
<span class="source-line-no">621</span><span id="line-621"> @Test</span>
<span class="source-line-no">622</span><span id="line-622"> public void testParentXLockAndChildrenSharedLock() throws Exception {</span>
<span class="source-line-no">623</span><span id="line-623"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">624</span><span id="line-624"> final RegionInfo[] regions = generateRegionInfo(tableName);</span>
<span class="source-line-no">625</span><span id="line-625"> final TestRegionProcedure[] childProcs = new TestRegionProcedure[regions.length];</span>
<span class="source-line-no">626</span><span id="line-626"> for (int i = 0; i &lt; regions.length; ++i) {</span>
<span class="source-line-no">627</span><span id="line-627"> childProcs[i] = new TestRegionProcedure(1, 2 + i, tableName,</span>
<span class="source-line-no">628</span><span id="line-628"> TableProcedureInterface.TableOperationType.REGION_ASSIGN, regions[i]);</span>
<span class="source-line-no">629</span><span id="line-629"> }</span>
<span class="source-line-no">630</span><span id="line-630"> testInheritedXLockAndChildrenSharedLock(tableName,</span>
<span class="source-line-no">631</span><span id="line-631"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.CREATE),</span>
<span class="source-line-no">632</span><span id="line-632"> childProcs);</span>
<span class="source-line-no">633</span><span id="line-633"> }</span>
<span class="source-line-no">634</span><span id="line-634"></span>
<span class="source-line-no">635</span><span id="line-635"> @Test</span>
<span class="source-line-no">636</span><span id="line-636"> public void testRootXLockAndChildrenSharedLock() throws Exception {</span>
<span class="source-line-no">637</span><span id="line-637"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">638</span><span id="line-638"> final RegionInfo[] regions = generateRegionInfo(tableName);</span>
<span class="source-line-no">639</span><span id="line-639"> final TestRegionProcedure[] childProcs = new TestRegionProcedure[regions.length];</span>
<span class="source-line-no">640</span><span id="line-640"> for (int i = 0; i &lt; regions.length; ++i) {</span>
<span class="source-line-no">641</span><span id="line-641"> childProcs[i] = new TestRegionProcedure(1, 2, 3 + i, tableName,</span>
<span class="source-line-no">642</span><span id="line-642"> TableProcedureInterface.TableOperationType.REGION_ASSIGN, regions[i]);</span>
<span class="source-line-no">643</span><span id="line-643"> }</span>
<span class="source-line-no">644</span><span id="line-644"> testInheritedXLockAndChildrenSharedLock(tableName,</span>
<span class="source-line-no">645</span><span id="line-645"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.CREATE),</span>
<span class="source-line-no">646</span><span id="line-646"> childProcs);</span>
<span class="source-line-no">647</span><span id="line-647"> }</span>
<span class="source-line-no">648</span><span id="line-648"></span>
<span class="source-line-no">649</span><span id="line-649"> private void releaseTableExclusiveLockAndComplete(Procedure&lt;?&gt; proc, TableName tableName) {</span>
<span class="source-line-no">650</span><span id="line-650"> // release xlock</span>
<span class="source-line-no">651</span><span id="line-651"> queue.wakeTableExclusiveLock(proc, tableName);</span>
<span class="source-line-no">652</span><span id="line-652"> // mark the procedure as complete</span>
<span class="source-line-no">653</span><span id="line-653"> queue.completionCleanup(proc);</span>
<span class="source-line-no">654</span><span id="line-654"> }</span>
<span class="source-line-no">655</span><span id="line-655"></span>
<span class="source-line-no">656</span><span id="line-656"> private void testInheritedXLockAndChildrenSharedLock(final TableName tableName,</span>
<span class="source-line-no">657</span><span id="line-657"> final TestTableProcedure rootProc, final TestRegionProcedure[] childProcs) throws Exception {</span>
<span class="source-line-no">658</span><span id="line-658"> queue.addBack(rootProc);</span>
<span class="source-line-no">659</span><span id="line-659"></span>
<span class="source-line-no">660</span><span id="line-660"> // fetch and acquire first xlock proc</span>
<span class="source-line-no">661</span><span id="line-661"> Procedure&lt;?&gt; parentProc = queue.poll();</span>
<span class="source-line-no">662</span><span id="line-662"> assertEquals(rootProc, parentProc);</span>
<span class="source-line-no">663</span><span id="line-663"> assertEquals(false, queue.waitTableExclusiveLock(parentProc, tableName));</span>
<span class="source-line-no">664</span><span id="line-664"></span>
<span class="source-line-no">665</span><span id="line-665"> // add child procedure</span>
<span class="source-line-no">666</span><span id="line-666"> for (int i = 0; i &lt; childProcs.length; ++i) {</span>
<span class="source-line-no">667</span><span id="line-667"> queue.addFront(childProcs[i]);</span>
<span class="source-line-no">668</span><span id="line-668"> }</span>
<span class="source-line-no">669</span><span id="line-669"></span>
<span class="source-line-no">670</span><span id="line-670"> // add another xlock procedure (no parent)</span>
<span class="source-line-no">671</span><span id="line-671"> queue.addBack(</span>
<span class="source-line-no">672</span><span id="line-672"> new TestTableProcedure(100, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">673</span><span id="line-673"></span>
<span class="source-line-no">674</span><span id="line-674"> // fetch and execute child</span>
<span class="source-line-no">675</span><span id="line-675"> for (int i = 0; i &lt; childProcs.length; ++i) {</span>
<span class="source-line-no">676</span><span id="line-676"> TestRegionProcedure childProc = (TestRegionProcedure) queue.poll();</span>
<span class="source-line-no">677</span><span id="line-677"> LOG.debug("fetch children " + childProc);</span>
<span class="source-line-no">678</span><span id="line-678"> assertEquals(false, queue.waitRegions(childProc, tableName, childProc.getRegionInfo()));</span>
<span class="source-line-no">679</span><span id="line-679"> queue.wakeRegions(childProc, tableName, childProc.getRegionInfo());</span>
<span class="source-line-no">680</span><span id="line-680"> }</span>
<span class="source-line-no">681</span><span id="line-681"></span>
<span class="source-line-no">682</span><span id="line-682"> // nothing available, until xlock release</span>
<span class="source-line-no">683</span><span id="line-683"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">684</span><span id="line-684"></span>
<span class="source-line-no">685</span><span id="line-685"> // release xlock</span>
<span class="source-line-no">686</span><span id="line-686"> releaseTableExclusiveLockAndComplete(parentProc, tableName);</span>
<span class="source-line-no">687</span><span id="line-687"></span>
<span class="source-line-no">688</span><span id="line-688"> // fetch the other xlock proc</span>
<span class="source-line-no">689</span><span id="line-689"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">690</span><span id="line-690"> assertEquals(100, proc.getProcId());</span>
<span class="source-line-no">691</span><span id="line-691"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">692</span><span id="line-692"> releaseTableExclusiveLockAndComplete(proc, tableName);</span>
<span class="source-line-no">693</span><span id="line-693"> }</span>
<span class="source-line-no">694</span><span id="line-694"></span>
<span class="source-line-no">695</span><span id="line-695"> @Test</span>
<span class="source-line-no">696</span><span id="line-696"> public void testParentXLockAndChildrenXLock() throws Exception {</span>
<span class="source-line-no">697</span><span id="line-697"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">698</span><span id="line-698"> testInheritedXLockAndChildrenXLock(tableName,</span>
<span class="source-line-no">699</span><span id="line-699"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.EDIT),</span>
<span class="source-line-no">700</span><span id="line-700"> new TestTableProcedure(1, 2, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">701</span><span id="line-701"> }</span>
<span class="source-line-no">702</span><span id="line-702"></span>
<span class="source-line-no">703</span><span id="line-703"> @Test</span>
<span class="source-line-no">704</span><span id="line-704"> public void testRootXLockAndChildrenXLock() throws Exception {</span>
<span class="source-line-no">705</span><span id="line-705"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">706</span><span id="line-706"> // simulate 3 procedures: 1 (root), (2) child of root, (3) child of proc-2</span>
<span class="source-line-no">707</span><span id="line-707"> testInheritedXLockAndChildrenXLock(tableName,</span>
<span class="source-line-no">708</span><span id="line-708"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.EDIT),</span>
<span class="source-line-no">709</span><span id="line-709"> new TestTableProcedure(1, 1, 2, tableName, TableProcedureInterface.TableOperationType.EDIT),</span>
<span class="source-line-no">710</span><span id="line-710"> new TestTableProcedure(1, 2, 3, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">711</span><span id="line-711"> }</span>
<span class="source-line-no">712</span><span id="line-712"></span>
<span class="source-line-no">713</span><span id="line-713"> private void testInheritedXLockAndChildrenXLock(final TableName tableName,</span>
<span class="source-line-no">714</span><span id="line-714"> final TestTableProcedure rootProc, final TestTableProcedure... childProcs) throws Exception {</span>
<span class="source-line-no">715</span><span id="line-715"> procedures.put(rootProc.getProcId(), rootProc);</span>
<span class="source-line-no">716</span><span id="line-716"> for (TestTableProcedure childProc : childProcs) {</span>
<span class="source-line-no">717</span><span id="line-717"> procedures.put(childProc.getProcId(), childProc);</span>
<span class="source-line-no">718</span><span id="line-718"> }</span>
<span class="source-line-no">719</span><span id="line-719"> queue.addBack(rootProc);</span>
<span class="source-line-no">720</span><span id="line-720"></span>
<span class="source-line-no">721</span><span id="line-721"> // fetch and acquire first xlock proc</span>
<span class="source-line-no">722</span><span id="line-722"> Procedure&lt;?&gt; parentProc = queue.poll();</span>
<span class="source-line-no">723</span><span id="line-723"> assertSame(rootProc, parentProc);</span>
<span class="source-line-no">724</span><span id="line-724"> assertEquals(false, queue.waitTableExclusiveLock(parentProc, tableName));</span>
<span class="source-line-no">725</span><span id="line-725"></span>
<span class="source-line-no">726</span><span id="line-726"> TestTableProcedure childProc = childProcs[childProcs.length - 1];</span>
<span class="source-line-no">727</span><span id="line-727"> // add child procedure</span>
<span class="source-line-no">728</span><span id="line-728"> queue.addFront(childProc);</span>
<span class="source-line-no">729</span><span id="line-729"></span>
<span class="source-line-no">730</span><span id="line-730"> // fetch the other xlock proc</span>
<span class="source-line-no">731</span><span id="line-731"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">732</span><span id="line-732"> assertSame(childProc, proc);</span>
<span class="source-line-no">733</span><span id="line-733"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">734</span><span id="line-734"> releaseTableExclusiveLockAndComplete(proc, tableName);</span>
<span class="source-line-no">735</span><span id="line-735"></span>
<span class="source-line-no">736</span><span id="line-736"> // release xlock</span>
<span class="source-line-no">737</span><span id="line-737"> releaseTableExclusiveLockAndComplete(proc, tableName);</span>
<span class="source-line-no">738</span><span id="line-738"> }</span>
<span class="source-line-no">739</span><span id="line-739"></span>
<span class="source-line-no">740</span><span id="line-740"> @Test</span>
<span class="source-line-no">741</span><span id="line-741"> public void testYieldWithXLockHeld() throws Exception {</span>
<span class="source-line-no">742</span><span id="line-742"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">743</span><span id="line-743"></span>
<span class="source-line-no">744</span><span id="line-744"> queue.addBack(</span>
<span class="source-line-no">745</span><span id="line-745"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">746</span><span id="line-746"> queue.addBack(</span>
<span class="source-line-no">747</span><span id="line-747"> new TestTableProcedure(2, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">748</span><span id="line-748"></span>
<span class="source-line-no">749</span><span id="line-749"> // fetch from the queue and acquire xlock for the first proc</span>
<span class="source-line-no">750</span><span id="line-750"> Procedure&lt;?&gt; proc = queue.poll();</span>
<span class="source-line-no">751</span><span id="line-751"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">752</span><span id="line-752"> assertEquals(false, queue.waitTableExclusiveLock(proc, tableName));</span>
<span class="source-line-no">753</span><span id="line-753"></span>
<span class="source-line-no">754</span><span id="line-754"> // nothing available, until xlock release</span>
<span class="source-line-no">755</span><span id="line-755"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">756</span><span id="line-756"></span>
<span class="source-line-no">757</span><span id="line-757"> // put the proc in the queue</span>
<span class="source-line-no">758</span><span id="line-758"> queue.yield(proc);</span>
<span class="source-line-no">759</span><span id="line-759"></span>
<span class="source-line-no">760</span><span id="line-760"> // fetch from the queue, it should be the one with just added back</span>
<span class="source-line-no">761</span><span id="line-761"> proc = queue.poll();</span>
<span class="source-line-no">762</span><span id="line-762"> assertEquals(1, proc.getProcId());</span>
<span class="source-line-no">763</span><span id="line-763"></span>
<span class="source-line-no">764</span><span id="line-764"> // release the xlock</span>
<span class="source-line-no">765</span><span id="line-765"> releaseTableExclusiveLockAndComplete(proc, tableName);</span>
<span class="source-line-no">766</span><span id="line-766"></span>
<span class="source-line-no">767</span><span id="line-767"> proc = queue.poll();</span>
<span class="source-line-no">768</span><span id="line-768"> assertEquals(2, proc.getProcId());</span>
<span class="source-line-no">769</span><span id="line-769"> }</span>
<span class="source-line-no">770</span><span id="line-770"></span>
<span class="source-line-no">771</span><span id="line-771"> @Test</span>
<span class="source-line-no">772</span><span id="line-772"> public void testYieldWithSharedLockHeld() throws Exception {</span>
<span class="source-line-no">773</span><span id="line-773"> final TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">774</span><span id="line-774"></span>
<span class="source-line-no">775</span><span id="line-775"> queue.addBack(</span>
<span class="source-line-no">776</span><span id="line-776"> new TestTableProcedure(1, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">777</span><span id="line-777"> queue.addBack(</span>
<span class="source-line-no">778</span><span id="line-778"> new TestTableProcedure(2, tableName, TableProcedureInterface.TableOperationType.READ));</span>
<span class="source-line-no">779</span><span id="line-779"> queue.addBack(</span>
<span class="source-line-no">780</span><span id="line-780"> new TestTableProcedure(3, tableName, TableProcedureInterface.TableOperationType.EDIT));</span>
<span class="source-line-no">781</span><span id="line-781"></span>
<span class="source-line-no">782</span><span id="line-782"> // fetch and acquire the first shared-lock</span>
<span class="source-line-no">783</span><span id="line-783"> Procedure&lt;?&gt; proc1 = queue.poll();</span>
<span class="source-line-no">784</span><span id="line-784"> assertEquals(1, proc1.getProcId());</span>
<span class="source-line-no">785</span><span id="line-785"> assertEquals(false, queue.waitTableSharedLock(proc1, tableName));</span>
<span class="source-line-no">786</span><span id="line-786"></span>
<span class="source-line-no">787</span><span id="line-787"> // fetch and acquire the second shared-lock</span>
<span class="source-line-no">788</span><span id="line-788"> Procedure&lt;?&gt; proc2 = queue.poll();</span>
<span class="source-line-no">789</span><span id="line-789"> assertEquals(2, proc2.getProcId());</span>
<span class="source-line-no">790</span><span id="line-790"> assertEquals(false, queue.waitTableSharedLock(proc2, tableName));</span>
<span class="source-line-no">791</span><span id="line-791"></span>
<span class="source-line-no">792</span><span id="line-792"> // nothing available, until xlock release</span>
<span class="source-line-no">793</span><span id="line-793"> assertEquals(null, queue.poll(0));</span>
<span class="source-line-no">794</span><span id="line-794"></span>
<span class="source-line-no">795</span><span id="line-795"> // put the procs back in the queue</span>
<span class="source-line-no">796</span><span id="line-796"> queue.yield(proc1);</span>
<span class="source-line-no">797</span><span id="line-797"> queue.yield(proc2);</span>
<span class="source-line-no">798</span><span id="line-798"></span>
<span class="source-line-no">799</span><span id="line-799"> // fetch from the queue, it should fetch the ones with just added back</span>
<span class="source-line-no">800</span><span id="line-800"> proc1 = queue.poll();</span>
<span class="source-line-no">801</span><span id="line-801"> assertEquals(1, proc1.getProcId());</span>
<span class="source-line-no">802</span><span id="line-802"> proc2 = queue.poll();</span>
<span class="source-line-no">803</span><span id="line-803"> assertEquals(2, proc2.getProcId());</span>
<span class="source-line-no">804</span><span id="line-804"></span>
<span class="source-line-no">805</span><span id="line-805"> // release the xlock</span>
<span class="source-line-no">806</span><span id="line-806"> queue.wakeTableSharedLock(proc1, tableName);</span>
<span class="source-line-no">807</span><span id="line-807"> queue.wakeTableSharedLock(proc2, tableName);</span>
<span class="source-line-no">808</span><span id="line-808"></span>
<span class="source-line-no">809</span><span id="line-809"> Procedure&lt;?&gt; proc3 = queue.poll();</span>
<span class="source-line-no">810</span><span id="line-810"> assertEquals(3, proc3.getProcId());</span>
<span class="source-line-no">811</span><span id="line-811"> }</span>
<span class="source-line-no">812</span><span id="line-812"></span>
<span class="source-line-no">813</span><span id="line-813"> public static class TestTableProcedure extends TestProcedure implements TableProcedureInterface {</span>
<span class="source-line-no">814</span><span id="line-814"> private final TableOperationType opType;</span>
<span class="source-line-no">815</span><span id="line-815"> private final TableName tableName;</span>
<span class="source-line-no">816</span><span id="line-816"></span>
<span class="source-line-no">817</span><span id="line-817"> public TestTableProcedure() {</span>
<span class="source-line-no">818</span><span id="line-818"> throw new UnsupportedOperationException("recovery should not be triggered here");</span>
<span class="source-line-no">819</span><span id="line-819"> }</span>
<span class="source-line-no">820</span><span id="line-820"></span>
<span class="source-line-no">821</span><span id="line-821"> public TestTableProcedure(long procId, TableName tableName, TableOperationType opType) {</span>
<span class="source-line-no">822</span><span id="line-822"> this(-1, procId, tableName, opType);</span>
<span class="source-line-no">823</span><span id="line-823"> }</span>
<span class="source-line-no">824</span><span id="line-824"></span>
<span class="source-line-no">825</span><span id="line-825"> public TestTableProcedure(long parentProcId, long procId, TableName tableName,</span>
<span class="source-line-no">826</span><span id="line-826"> TableOperationType opType) {</span>
<span class="source-line-no">827</span><span id="line-827"> this(-1, parentProcId, procId, tableName, opType);</span>
<span class="source-line-no">828</span><span id="line-828"> }</span>
<span class="source-line-no">829</span><span id="line-829"></span>
<span class="source-line-no">830</span><span id="line-830"> public TestTableProcedure(long rootProcId, long parentProcId, long procId, TableName tableName,</span>
<span class="source-line-no">831</span><span id="line-831"> TableOperationType opType) {</span>
<span class="source-line-no">832</span><span id="line-832"> super(procId, parentProcId, rootProcId, null);</span>
<span class="source-line-no">833</span><span id="line-833"> this.tableName = tableName;</span>
<span class="source-line-no">834</span><span id="line-834"> this.opType = opType;</span>
<span class="source-line-no">835</span><span id="line-835"> }</span>
<span class="source-line-no">836</span><span id="line-836"></span>
<span class="source-line-no">837</span><span id="line-837"> @Override</span>
<span class="source-line-no">838</span><span id="line-838"> public TableName getTableName() {</span>
<span class="source-line-no">839</span><span id="line-839"> return tableName;</span>
<span class="source-line-no">840</span><span id="line-840"> }</span>
<span class="source-line-no">841</span><span id="line-841"></span>
<span class="source-line-no">842</span><span id="line-842"> @Override</span>
<span class="source-line-no">843</span><span id="line-843"> public TableOperationType getTableOperationType() {</span>
<span class="source-line-no">844</span><span id="line-844"> return opType;</span>
<span class="source-line-no">845</span><span id="line-845"> }</span>
<span class="source-line-no">846</span><span id="line-846"></span>
<span class="source-line-no">847</span><span id="line-847"> @Override</span>
<span class="source-line-no">848</span><span id="line-848"> public void toStringClassDetails(final StringBuilder sb) {</span>
<span class="source-line-no">849</span><span id="line-849"> sb.append(getClass().getSimpleName());</span>
<span class="source-line-no">850</span><span id="line-850"> sb.append("(table=");</span>
<span class="source-line-no">851</span><span id="line-851"> sb.append(getTableName());</span>
<span class="source-line-no">852</span><span id="line-852"> sb.append(")");</span>
<span class="source-line-no">853</span><span id="line-853"> }</span>
<span class="source-line-no">854</span><span id="line-854"> }</span>
<span class="source-line-no">855</span><span id="line-855"></span>
<span class="source-line-no">856</span><span id="line-856"> public static class TestTableProcedureWithEvent extends TestTableProcedure {</span>
<span class="source-line-no">857</span><span id="line-857"> private final ProcedureEvent&lt;?&gt; event;</span>
<span class="source-line-no">858</span><span id="line-858"></span>
<span class="source-line-no">859</span><span id="line-859"> public TestTableProcedureWithEvent(long procId, TableName tableName,</span>
<span class="source-line-no">860</span><span id="line-860"> TableOperationType opType) {</span>
<span class="source-line-no">861</span><span id="line-861"> super(procId, tableName, opType);</span>
<span class="source-line-no">862</span><span id="line-862"> event = new ProcedureEvent&lt;&gt;(tableName + " procId=" + procId);</span>
<span class="source-line-no">863</span><span id="line-863"> }</span>
<span class="source-line-no">864</span><span id="line-864"></span>
<span class="source-line-no">865</span><span id="line-865"> public ProcedureEvent&lt;?&gt; getEvent() {</span>
<span class="source-line-no">866</span><span id="line-866"> return event;</span>
<span class="source-line-no">867</span><span id="line-867"> }</span>
<span class="source-line-no">868</span><span id="line-868"> }</span>
<span class="source-line-no">869</span><span id="line-869"></span>
<span class="source-line-no">870</span><span id="line-870"> public static class TestRegionProcedure extends TestTableProcedure {</span>
<span class="source-line-no">871</span><span id="line-871"> private final RegionInfo[] regionInfos;</span>
<span class="source-line-no">872</span><span id="line-872"></span>
<span class="source-line-no">873</span><span id="line-873"> public TestRegionProcedure() {</span>
<span class="source-line-no">874</span><span id="line-874"> throw new UnsupportedOperationException("recovery should not be triggered here");</span>
<span class="source-line-no">875</span><span id="line-875"> }</span>
<span class="source-line-no">876</span><span id="line-876"></span>
<span class="source-line-no">877</span><span id="line-877"> public TestRegionProcedure(long procId, TableName tableName, TableOperationType opType,</span>
<span class="source-line-no">878</span><span id="line-878"> RegionInfo... regionInfos) {</span>
<span class="source-line-no">879</span><span id="line-879"> this(-1, procId, tableName, opType, regionInfos);</span>
<span class="source-line-no">880</span><span id="line-880"> }</span>
<span class="source-line-no">881</span><span id="line-881"></span>
<span class="source-line-no">882</span><span id="line-882"> public TestRegionProcedure(long parentProcId, long procId, TableName tableName,</span>
<span class="source-line-no">883</span><span id="line-883"> TableOperationType opType, RegionInfo... regionInfos) {</span>
<span class="source-line-no">884</span><span id="line-884"> this(-1, parentProcId, procId, tableName, opType, regionInfos);</span>
<span class="source-line-no">885</span><span id="line-885"> }</span>
<span class="source-line-no">886</span><span id="line-886"></span>
<span class="source-line-no">887</span><span id="line-887"> public TestRegionProcedure(long rootProcId, long parentProcId, long procId, TableName tableName,</span>
<span class="source-line-no">888</span><span id="line-888"> TableOperationType opType, RegionInfo... regionInfos) {</span>
<span class="source-line-no">889</span><span id="line-889"> super(rootProcId, parentProcId, procId, tableName, opType);</span>
<span class="source-line-no">890</span><span id="line-890"> this.regionInfos = regionInfos;</span>
<span class="source-line-no">891</span><span id="line-891"> }</span>
<span class="source-line-no">892</span><span id="line-892"></span>
<span class="source-line-no">893</span><span id="line-893"> public RegionInfo[] getRegionInfo() {</span>
<span class="source-line-no">894</span><span id="line-894"> return regionInfos;</span>
<span class="source-line-no">895</span><span id="line-895"> }</span>
<span class="source-line-no">896</span><span id="line-896"></span>
<span class="source-line-no">897</span><span id="line-897"> @Override</span>
<span class="source-line-no">898</span><span id="line-898"> public void toStringClassDetails(final StringBuilder sb) {</span>
<span class="source-line-no">899</span><span id="line-899"> sb.append(getClass().getSimpleName());</span>
<span class="source-line-no">900</span><span id="line-900"> sb.append("(regions=");</span>
<span class="source-line-no">901</span><span id="line-901"> sb.append(Arrays.toString(getRegionInfo()));</span>
<span class="source-line-no">902</span><span id="line-902"> sb.append(")");</span>
<span class="source-line-no">903</span><span id="line-903"> }</span>
<span class="source-line-no">904</span><span id="line-904"> }</span>
<span class="source-line-no">905</span><span id="line-905"></span>
<span class="source-line-no">906</span><span id="line-906"> public static class TestNamespaceProcedure extends TestProcedure</span>
<span class="source-line-no">907</span><span id="line-907"> implements TableProcedureInterface {</span>
<span class="source-line-no">908</span><span id="line-908"> private final TableOperationType opType;</span>
<span class="source-line-no">909</span><span id="line-909"> private final String nsName;</span>
<span class="source-line-no">910</span><span id="line-910"></span>
<span class="source-line-no">911</span><span id="line-911"> public TestNamespaceProcedure() {</span>
<span class="source-line-no">912</span><span id="line-912"> throw new UnsupportedOperationException("recovery should not be triggered here");</span>
<span class="source-line-no">913</span><span id="line-913"> }</span>
<span class="source-line-no">914</span><span id="line-914"></span>
<span class="source-line-no">915</span><span id="line-915"> public TestNamespaceProcedure(long procId, String nsName, TableOperationType opType) {</span>
<span class="source-line-no">916</span><span id="line-916"> super(procId);</span>
<span class="source-line-no">917</span><span id="line-917"> this.nsName = nsName;</span>
<span class="source-line-no">918</span><span id="line-918"> this.opType = opType;</span>
<span class="source-line-no">919</span><span id="line-919"> }</span>
<span class="source-line-no">920</span><span id="line-920"></span>
<span class="source-line-no">921</span><span id="line-921"> @Override</span>
<span class="source-line-no">922</span><span id="line-922"> public TableName getTableName() {</span>
<span class="source-line-no">923</span><span id="line-923"> return TableProcedureInterface.DUMMY_NAMESPACE_TABLE_NAME;</span>
<span class="source-line-no">924</span><span id="line-924"> }</span>
<span class="source-line-no">925</span><span id="line-925"></span>
<span class="source-line-no">926</span><span id="line-926"> @Override</span>
<span class="source-line-no">927</span><span id="line-927"> public TableOperationType getTableOperationType() {</span>
<span class="source-line-no">928</span><span id="line-928"> return opType;</span>
<span class="source-line-no">929</span><span id="line-929"> }</span>
<span class="source-line-no">930</span><span id="line-930"></span>
<span class="source-line-no">931</span><span id="line-931"> @Override</span>
<span class="source-line-no">932</span><span id="line-932"> public void toStringClassDetails(final StringBuilder sb) {</span>
<span class="source-line-no">933</span><span id="line-933"> sb.append(getClass().getSimpleName());</span>
<span class="source-line-no">934</span><span id="line-934"> sb.append("(ns=");</span>
<span class="source-line-no">935</span><span id="line-935"> sb.append(nsName);</span>
<span class="source-line-no">936</span><span id="line-936"> sb.append(")");</span>
<span class="source-line-no">937</span><span id="line-937"> }</span>
<span class="source-line-no">938</span><span id="line-938"> }</span>
<span class="source-line-no">939</span><span id="line-939"></span>
<span class="source-line-no">940</span><span id="line-940"> public static class TestPeerProcedure extends TestProcedure implements PeerProcedureInterface {</span>
<span class="source-line-no">941</span><span id="line-941"> private final String peerId;</span>
<span class="source-line-no">942</span><span id="line-942"> private final PeerOperationType opType;</span>
<span class="source-line-no">943</span><span id="line-943"></span>
<span class="source-line-no">944</span><span id="line-944"> public TestPeerProcedure(long procId, String peerId, PeerOperationType opType) {</span>
<span class="source-line-no">945</span><span id="line-945"> super(procId);</span>
<span class="source-line-no">946</span><span id="line-946"> this.peerId = peerId;</span>
<span class="source-line-no">947</span><span id="line-947"> this.opType = opType;</span>
<span class="source-line-no">948</span><span id="line-948"> }</span>
<span class="source-line-no">949</span><span id="line-949"></span>
<span class="source-line-no">950</span><span id="line-950"> @Override</span>
<span class="source-line-no">951</span><span id="line-951"> public String getPeerId() {</span>
<span class="source-line-no">952</span><span id="line-952"> return peerId;</span>
<span class="source-line-no">953</span><span id="line-953"> }</span>
<span class="source-line-no">954</span><span id="line-954"></span>
<span class="source-line-no">955</span><span id="line-955"> @Override</span>
<span class="source-line-no">956</span><span id="line-956"> public PeerOperationType getPeerOperationType() {</span>
<span class="source-line-no">957</span><span id="line-957"> return opType;</span>
<span class="source-line-no">958</span><span id="line-958"> }</span>
<span class="source-line-no">959</span><span id="line-959"> }</span>
<span class="source-line-no">960</span><span id="line-960"></span>
<span class="source-line-no">961</span><span id="line-961"> public static class TestGlobalProcedure extends TestProcedure</span>
<span class="source-line-no">962</span><span id="line-962"> implements GlobalProcedureInterface {</span>
<span class="source-line-no">963</span><span id="line-963"> private final String globalId;</span>
<span class="source-line-no">964</span><span id="line-964"></span>
<span class="source-line-no">965</span><span id="line-965"> public TestGlobalProcedure(long procId, String globalId) {</span>
<span class="source-line-no">966</span><span id="line-966"> super(procId);</span>
<span class="source-line-no">967</span><span id="line-967"> this.globalId = globalId;</span>
<span class="source-line-no">968</span><span id="line-968"> }</span>
<span class="source-line-no">969</span><span id="line-969"></span>
<span class="source-line-no">970</span><span id="line-970"> @Override</span>
<span class="source-line-no">971</span><span id="line-971"> public String getGlobalId() {</span>
<span class="source-line-no">972</span><span id="line-972"> return globalId;</span>
<span class="source-line-no">973</span><span id="line-973"> }</span>
<span class="source-line-no">974</span><span id="line-974"> }</span>
<span class="source-line-no">975</span><span id="line-975"></span>
<span class="source-line-no">976</span><span id="line-976"> private static LockProcedure createLockProcedure(LockType lockType, long procId)</span>
<span class="source-line-no">977</span><span id="line-977"> throws Exception {</span>
<span class="source-line-no">978</span><span id="line-978"> LockProcedure procedure = new LockProcedure();</span>
<span class="source-line-no">979</span><span id="line-979"></span>
<span class="source-line-no">980</span><span id="line-980"> Field typeField = LockProcedure.class.getDeclaredField("type");</span>
<span class="source-line-no">981</span><span id="line-981"> typeField.setAccessible(true);</span>
<span class="source-line-no">982</span><span id="line-982"> typeField.set(procedure, lockType);</span>
<span class="source-line-no">983</span><span id="line-983"></span>
<span class="source-line-no">984</span><span id="line-984"> Method setProcIdMethod = Procedure.class.getDeclaredMethod("setProcId", long.class);</span>
<span class="source-line-no">985</span><span id="line-985"> setProcIdMethod.setAccessible(true);</span>
<span class="source-line-no">986</span><span id="line-986"> setProcIdMethod.invoke(procedure, procId);</span>
<span class="source-line-no">987</span><span id="line-987"></span>
<span class="source-line-no">988</span><span id="line-988"> return procedure;</span>
<span class="source-line-no">989</span><span id="line-989"> }</span>
<span class="source-line-no">990</span><span id="line-990"></span>
<span class="source-line-no">991</span><span id="line-991"> private static LockProcedure createExclusiveLockProcedure(long procId) throws Exception {</span>
<span class="source-line-no">992</span><span id="line-992"> return createLockProcedure(LockType.EXCLUSIVE, procId);</span>
<span class="source-line-no">993</span><span id="line-993"> }</span>
<span class="source-line-no">994</span><span id="line-994"></span>
<span class="source-line-no">995</span><span id="line-995"> private static LockProcedure createSharedLockProcedure(long procId) throws Exception {</span>
<span class="source-line-no">996</span><span id="line-996"> return createLockProcedure(LockType.SHARED, procId);</span>
<span class="source-line-no">997</span><span id="line-997"> }</span>
<span class="source-line-no">998</span><span id="line-998"></span>
<span class="source-line-no">999</span><span id="line-999"> private static void assertLockResource(LockedResource resource, LockedResourceType resourceType,</span>
<span class="source-line-no">1000</span><span id="line-1000"> String resourceName) {</span>
<span class="source-line-no">1001</span><span id="line-1001"> assertEquals(resourceType, resource.getResourceType());</span>
<span class="source-line-no">1002</span><span id="line-1002"> assertEquals(resourceName, resource.getResourceName());</span>
<span class="source-line-no">1003</span><span id="line-1003"> }</span>
<span class="source-line-no">1004</span><span id="line-1004"></span>
<span class="source-line-no">1005</span><span id="line-1005"> private static void assertExclusiveLock(LockedResource resource, Procedure&lt;?&gt; procedure) {</span>
<span class="source-line-no">1006</span><span id="line-1006"> assertEquals(LockType.EXCLUSIVE, resource.getLockType());</span>
<span class="source-line-no">1007</span><span id="line-1007"> assertEquals(procedure, resource.getExclusiveLockOwnerProcedure());</span>
<span class="source-line-no">1008</span><span id="line-1008"> assertEquals(0, resource.getSharedLockCount());</span>
<span class="source-line-no">1009</span><span id="line-1009"> }</span>
<span class="source-line-no">1010</span><span id="line-1010"></span>
<span class="source-line-no">1011</span><span id="line-1011"> private static void assertSharedLock(LockedResource resource, int lockCount) {</span>
<span class="source-line-no">1012</span><span id="line-1012"> assertEquals(LockType.SHARED, resource.getLockType());</span>
<span class="source-line-no">1013</span><span id="line-1013"> assertEquals(lockCount, resource.getSharedLockCount());</span>
<span class="source-line-no">1014</span><span id="line-1014"> }</span>
<span class="source-line-no">1015</span><span id="line-1015"></span>
<span class="source-line-no">1016</span><span id="line-1016"> @Test</span>
<span class="source-line-no">1017</span><span id="line-1017"> public void testListLocksServer() throws Exception {</span>
<span class="source-line-no">1018</span><span id="line-1018"> LockProcedure procedure = createExclusiveLockProcedure(0);</span>
<span class="source-line-no">1019</span><span id="line-1019"> queue.waitServerExclusiveLock(procedure, ServerName.valueOf("server1,1234,0"));</span>
<span class="source-line-no">1020</span><span id="line-1020"></span>
<span class="source-line-no">1021</span><span id="line-1021"> List&lt;LockedResource&gt; resources = queue.getLocks();</span>
<span class="source-line-no">1022</span><span id="line-1022"> assertEquals(1, resources.size());</span>
<span class="source-line-no">1023</span><span id="line-1023"></span>
<span class="source-line-no">1024</span><span id="line-1024"> LockedResource serverResource = resources.get(0);</span>
<span class="source-line-no">1025</span><span id="line-1025"> assertLockResource(serverResource, LockedResourceType.SERVER, "server1,1234,0");</span>
<span class="source-line-no">1026</span><span id="line-1026"> assertExclusiveLock(serverResource, procedure);</span>
<span class="source-line-no">1027</span><span id="line-1027"> assertTrue(serverResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1028</span><span id="line-1028"> }</span>
<span class="source-line-no">1029</span><span id="line-1029"></span>
<span class="source-line-no">1030</span><span id="line-1030"> @Test</span>
<span class="source-line-no">1031</span><span id="line-1031"> public void testListLocksNamespace() throws Exception {</span>
<span class="source-line-no">1032</span><span id="line-1032"> LockProcedure procedure = createExclusiveLockProcedure(1);</span>
<span class="source-line-no">1033</span><span id="line-1033"> queue.waitNamespaceExclusiveLock(procedure, "ns1");</span>
<span class="source-line-no">1034</span><span id="line-1034"></span>
<span class="source-line-no">1035</span><span id="line-1035"> List&lt;LockedResource&gt; locks = queue.getLocks();</span>
<span class="source-line-no">1036</span><span id="line-1036"> assertEquals(2, locks.size());</span>
<span class="source-line-no">1037</span><span id="line-1037"></span>
<span class="source-line-no">1038</span><span id="line-1038"> LockedResource namespaceResource = locks.get(0);</span>
<span class="source-line-no">1039</span><span id="line-1039"> assertLockResource(namespaceResource, LockedResourceType.NAMESPACE, "ns1");</span>
<span class="source-line-no">1040</span><span id="line-1040"> assertExclusiveLock(namespaceResource, procedure);</span>
<span class="source-line-no">1041</span><span id="line-1041"> assertTrue(namespaceResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1042</span><span id="line-1042"></span>
<span class="source-line-no">1043</span><span id="line-1043"> LockedResource tableResource = locks.get(1);</span>
<span class="source-line-no">1044</span><span id="line-1044"> assertLockResource(tableResource, LockedResourceType.TABLE,</span>
<span class="source-line-no">1045</span><span id="line-1045"> TableProcedureInterface.DUMMY_NAMESPACE_TABLE_NAME.getNameAsString());</span>
<span class="source-line-no">1046</span><span id="line-1046"> assertSharedLock(tableResource, 1);</span>
<span class="source-line-no">1047</span><span id="line-1047"> assertTrue(tableResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1048</span><span id="line-1048"> }</span>
<span class="source-line-no">1049</span><span id="line-1049"></span>
<span class="source-line-no">1050</span><span id="line-1050"> @Test</span>
<span class="source-line-no">1051</span><span id="line-1051"> public void testListLocksTable() throws Exception {</span>
<span class="source-line-no">1052</span><span id="line-1052"> LockProcedure procedure = createExclusiveLockProcedure(2);</span>
<span class="source-line-no">1053</span><span id="line-1053"> queue.waitTableExclusiveLock(procedure, TableName.valueOf("ns2", "table2"));</span>
<span class="source-line-no">1054</span><span id="line-1054"></span>
<span class="source-line-no">1055</span><span id="line-1055"> List&lt;LockedResource&gt; locks = queue.getLocks();</span>
<span class="source-line-no">1056</span><span id="line-1056"> assertEquals(2, locks.size());</span>
<span class="source-line-no">1057</span><span id="line-1057"></span>
<span class="source-line-no">1058</span><span id="line-1058"> LockedResource namespaceResource = locks.get(0);</span>
<span class="source-line-no">1059</span><span id="line-1059"> assertLockResource(namespaceResource, LockedResourceType.NAMESPACE, "ns2");</span>
<span class="source-line-no">1060</span><span id="line-1060"> assertSharedLock(namespaceResource, 1);</span>
<span class="source-line-no">1061</span><span id="line-1061"> assertTrue(namespaceResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1062</span><span id="line-1062"></span>
<span class="source-line-no">1063</span><span id="line-1063"> LockedResource tableResource = locks.get(1);</span>
<span class="source-line-no">1064</span><span id="line-1064"> assertLockResource(tableResource, LockedResourceType.TABLE, "ns2:table2");</span>
<span class="source-line-no">1065</span><span id="line-1065"> assertExclusiveLock(tableResource, procedure);</span>
<span class="source-line-no">1066</span><span id="line-1066"> assertTrue(tableResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1067</span><span id="line-1067"> }</span>
<span class="source-line-no">1068</span><span id="line-1068"></span>
<span class="source-line-no">1069</span><span id="line-1069"> @Test</span>
<span class="source-line-no">1070</span><span id="line-1070"> public void testListLocksRegion() throws Exception {</span>
<span class="source-line-no">1071</span><span id="line-1071"> LockProcedure procedure = createExclusiveLockProcedure(3);</span>
<span class="source-line-no">1072</span><span id="line-1072"> RegionInfo regionInfo =</span>
<span class="source-line-no">1073</span><span id="line-1073"> RegionInfoBuilder.newBuilder(TableName.valueOf("ns3", "table3")).build();</span>
<span class="source-line-no">1074</span><span id="line-1074"></span>
<span class="source-line-no">1075</span><span id="line-1075"> queue.waitRegion(procedure, regionInfo);</span>
<span class="source-line-no">1076</span><span id="line-1076"></span>
<span class="source-line-no">1077</span><span id="line-1077"> List&lt;LockedResource&gt; resources = queue.getLocks();</span>
<span class="source-line-no">1078</span><span id="line-1078"> assertEquals(3, resources.size());</span>
<span class="source-line-no">1079</span><span id="line-1079"></span>
<span class="source-line-no">1080</span><span id="line-1080"> LockedResource namespaceResource = resources.get(0);</span>
<span class="source-line-no">1081</span><span id="line-1081"> assertLockResource(namespaceResource, LockedResourceType.NAMESPACE, "ns3");</span>
<span class="source-line-no">1082</span><span id="line-1082"> assertSharedLock(namespaceResource, 1);</span>
<span class="source-line-no">1083</span><span id="line-1083"> assertTrue(namespaceResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1084</span><span id="line-1084"></span>
<span class="source-line-no">1085</span><span id="line-1085"> LockedResource tableResource = resources.get(1);</span>
<span class="source-line-no">1086</span><span id="line-1086"> assertLockResource(tableResource, LockedResourceType.TABLE, "ns3:table3");</span>
<span class="source-line-no">1087</span><span id="line-1087"> assertSharedLock(tableResource, 1);</span>
<span class="source-line-no">1088</span><span id="line-1088"> assertTrue(tableResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1089</span><span id="line-1089"></span>
<span class="source-line-no">1090</span><span id="line-1090"> LockedResource regionResource = resources.get(2);</span>
<span class="source-line-no">1091</span><span id="line-1091"> assertLockResource(regionResource, LockedResourceType.REGION, regionInfo.getEncodedName());</span>
<span class="source-line-no">1092</span><span id="line-1092"> assertExclusiveLock(regionResource, procedure);</span>
<span class="source-line-no">1093</span><span id="line-1093"> assertTrue(regionResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1094</span><span id="line-1094"> }</span>
<span class="source-line-no">1095</span><span id="line-1095"></span>
<span class="source-line-no">1096</span><span id="line-1096"> @Test</span>
<span class="source-line-no">1097</span><span id="line-1097"> public void testListLocksPeer() throws Exception {</span>
<span class="source-line-no">1098</span><span id="line-1098"> String peerId = "1";</span>
<span class="source-line-no">1099</span><span id="line-1099"> LockProcedure procedure = createExclusiveLockProcedure(4);</span>
<span class="source-line-no">1100</span><span id="line-1100"> queue.waitPeerExclusiveLock(procedure, peerId);</span>
<span class="source-line-no">1101</span><span id="line-1101"></span>
<span class="source-line-no">1102</span><span id="line-1102"> List&lt;LockedResource&gt; locks = queue.getLocks();</span>
<span class="source-line-no">1103</span><span id="line-1103"> assertEquals(1, locks.size());</span>
<span class="source-line-no">1104</span><span id="line-1104"></span>
<span class="source-line-no">1105</span><span id="line-1105"> LockedResource resource = locks.get(0);</span>
<span class="source-line-no">1106</span><span id="line-1106"> assertLockResource(resource, LockedResourceType.PEER, peerId);</span>
<span class="source-line-no">1107</span><span id="line-1107"> assertExclusiveLock(resource, procedure);</span>
<span class="source-line-no">1108</span><span id="line-1108"> assertTrue(resource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1109</span><span id="line-1109"></span>
<span class="source-line-no">1110</span><span id="line-1110"> // Try to acquire the exclusive lock again with same procedure</span>
<span class="source-line-no">1111</span><span id="line-1111"> assertFalse(queue.waitPeerExclusiveLock(procedure, peerId));</span>
<span class="source-line-no">1112</span><span id="line-1112"></span>
<span class="source-line-no">1113</span><span id="line-1113"> // Try to acquire the exclusive lock again with new procedure</span>
<span class="source-line-no">1114</span><span id="line-1114"> LockProcedure procedure2 = createExclusiveLockProcedure(5);</span>
<span class="source-line-no">1115</span><span id="line-1115"> assertTrue(queue.waitPeerExclusiveLock(procedure2, peerId));</span>
<span class="source-line-no">1116</span><span id="line-1116"></span>
<span class="source-line-no">1117</span><span id="line-1117"> // Same peerId, still only has 1 LockedResource</span>
<span class="source-line-no">1118</span><span id="line-1118"> locks = queue.getLocks();</span>
<span class="source-line-no">1119</span><span id="line-1119"> assertEquals(1, locks.size());</span>
<span class="source-line-no">1120</span><span id="line-1120"></span>
<span class="source-line-no">1121</span><span id="line-1121"> resource = locks.get(0);</span>
<span class="source-line-no">1122</span><span id="line-1122"> assertLockResource(resource, LockedResourceType.PEER, peerId);</span>
<span class="source-line-no">1123</span><span id="line-1123"> // LockedResource owner still is the origin procedure</span>
<span class="source-line-no">1124</span><span id="line-1124"> assertExclusiveLock(resource, procedure);</span>
<span class="source-line-no">1125</span><span id="line-1125"> // The new procedure should in the waiting list</span>
<span class="source-line-no">1126</span><span id="line-1126"> assertEquals(1, resource.getWaitingProcedures().size());</span>
<span class="source-line-no">1127</span><span id="line-1127"> }</span>
<span class="source-line-no">1128</span><span id="line-1128"></span>
<span class="source-line-no">1129</span><span id="line-1129"> @Test</span>
<span class="source-line-no">1130</span><span id="line-1130"> public void testListLocksGlobal() throws Exception {</span>
<span class="source-line-no">1131</span><span id="line-1131"> String globalId = "1";</span>
<span class="source-line-no">1132</span><span id="line-1132"> LockProcedure procedure = createExclusiveLockProcedure(4);</span>
<span class="source-line-no">1133</span><span id="line-1133"> queue.waitGlobalExclusiveLock(procedure, globalId);</span>
<span class="source-line-no">1134</span><span id="line-1134"></span>
<span class="source-line-no">1135</span><span id="line-1135"> List&lt;LockedResource&gt; locks = queue.getLocks();</span>
<span class="source-line-no">1136</span><span id="line-1136"> assertEquals(1, locks.size());</span>
<span class="source-line-no">1137</span><span id="line-1137"></span>
<span class="source-line-no">1138</span><span id="line-1138"> LockedResource resource = locks.get(0);</span>
<span class="source-line-no">1139</span><span id="line-1139"> assertLockResource(resource, LockedResourceType.GLOBAL, globalId);</span>
<span class="source-line-no">1140</span><span id="line-1140"> assertExclusiveLock(resource, procedure);</span>
<span class="source-line-no">1141</span><span id="line-1141"> assertTrue(resource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1142</span><span id="line-1142"></span>
<span class="source-line-no">1143</span><span id="line-1143"> // Try to acquire the exclusive lock again with same procedure</span>
<span class="source-line-no">1144</span><span id="line-1144"> assertFalse(queue.waitGlobalExclusiveLock(procedure, globalId));</span>
<span class="source-line-no">1145</span><span id="line-1145"></span>
<span class="source-line-no">1146</span><span id="line-1146"> // Try to acquire the exclusive lock again with new procedure</span>
<span class="source-line-no">1147</span><span id="line-1147"> LockProcedure procedure2 = createExclusiveLockProcedure(5);</span>
<span class="source-line-no">1148</span><span id="line-1148"> assertTrue(queue.waitGlobalExclusiveLock(procedure2, globalId));</span>
<span class="source-line-no">1149</span><span id="line-1149"></span>
<span class="source-line-no">1150</span><span id="line-1150"> // Same peerId, still only has 1 LockedResource</span>
<span class="source-line-no">1151</span><span id="line-1151"> locks = queue.getLocks();</span>
<span class="source-line-no">1152</span><span id="line-1152"> assertEquals(1, locks.size());</span>
<span class="source-line-no">1153</span><span id="line-1153"></span>
<span class="source-line-no">1154</span><span id="line-1154"> resource = locks.get(0);</span>
<span class="source-line-no">1155</span><span id="line-1155"> assertLockResource(resource, LockedResourceType.GLOBAL, globalId);</span>
<span class="source-line-no">1156</span><span id="line-1156"> // LockedResource owner still is the origin procedure</span>
<span class="source-line-no">1157</span><span id="line-1157"> assertExclusiveLock(resource, procedure);</span>
<span class="source-line-no">1158</span><span id="line-1158"> // The new procedure should in the waiting list</span>
<span class="source-line-no">1159</span><span id="line-1159"> assertEquals(1, resource.getWaitingProcedures().size());</span>
<span class="source-line-no">1160</span><span id="line-1160"> }</span>
<span class="source-line-no">1161</span><span id="line-1161"></span>
<span class="source-line-no">1162</span><span id="line-1162"> @Test</span>
<span class="source-line-no">1163</span><span id="line-1163"> public void testListLocksWaiting() throws Exception {</span>
<span class="source-line-no">1164</span><span id="line-1164"> LockProcedure procedure1 = createExclusiveLockProcedure(1);</span>
<span class="source-line-no">1165</span><span id="line-1165"> queue.waitTableExclusiveLock(procedure1, TableName.valueOf("ns4", "table4"));</span>
<span class="source-line-no">1166</span><span id="line-1166"></span>
<span class="source-line-no">1167</span><span id="line-1167"> LockProcedure procedure2 = createSharedLockProcedure(2);</span>
<span class="source-line-no">1168</span><span id="line-1168"> queue.waitTableSharedLock(procedure2, TableName.valueOf("ns4", "table4"));</span>
<span class="source-line-no">1169</span><span id="line-1169"></span>
<span class="source-line-no">1170</span><span id="line-1170"> LockProcedure procedure3 = createExclusiveLockProcedure(3);</span>
<span class="source-line-no">1171</span><span id="line-1171"> queue.waitTableExclusiveLock(procedure3, TableName.valueOf("ns4", "table4"));</span>
<span class="source-line-no">1172</span><span id="line-1172"></span>
<span class="source-line-no">1173</span><span id="line-1173"> List&lt;LockedResource&gt; resources = queue.getLocks();</span>
<span class="source-line-no">1174</span><span id="line-1174"> assertEquals(2, resources.size());</span>
<span class="source-line-no">1175</span><span id="line-1175"></span>
<span class="source-line-no">1176</span><span id="line-1176"> LockedResource namespaceResource = resources.get(0);</span>
<span class="source-line-no">1177</span><span id="line-1177"> assertLockResource(namespaceResource, LockedResourceType.NAMESPACE, "ns4");</span>
<span class="source-line-no">1178</span><span id="line-1178"> assertSharedLock(namespaceResource, 1);</span>
<span class="source-line-no">1179</span><span id="line-1179"> assertTrue(namespaceResource.getWaitingProcedures().isEmpty());</span>
<span class="source-line-no">1180</span><span id="line-1180"></span>
<span class="source-line-no">1181</span><span id="line-1181"> LockedResource tableLock = resources.get(1);</span>
<span class="source-line-no">1182</span><span id="line-1182"> assertLockResource(tableLock, LockedResourceType.TABLE, "ns4:table4");</span>
<span class="source-line-no">1183</span><span id="line-1183"> assertExclusiveLock(tableLock, procedure1);</span>
<span class="source-line-no">1184</span><span id="line-1184"></span>
<span class="source-line-no">1185</span><span id="line-1185"> List&lt;Procedure&lt;?&gt;&gt; waitingProcedures = tableLock.getWaitingProcedures();</span>
<span class="source-line-no">1186</span><span id="line-1186"> assertEquals(2, waitingProcedures.size());</span>
<span class="source-line-no">1187</span><span id="line-1187"></span>
<span class="source-line-no">1188</span><span id="line-1188"> LockProcedure waitingProcedure2 = (LockProcedure) waitingProcedures.get(0);</span>
<span class="source-line-no">1189</span><span id="line-1189"> assertEquals(LockType.SHARED, waitingProcedure2.getType());</span>
<span class="source-line-no">1190</span><span id="line-1190"> assertEquals(procedure2, waitingProcedure2);</span>
<span class="source-line-no">1191</span><span id="line-1191"></span>
<span class="source-line-no">1192</span><span id="line-1192"> LockProcedure waitingProcedure3 = (LockProcedure) waitingProcedures.get(1);</span>
<span class="source-line-no">1193</span><span id="line-1193"> assertEquals(LockType.EXCLUSIVE, waitingProcedure3.getType());</span>
<span class="source-line-no">1194</span><span id="line-1194"> assertEquals(procedure3, waitingProcedure3);</span>
<span class="source-line-no">1195</span><span id="line-1195"> }</span>
<span class="source-line-no">1196</span><span id="line-1196"></span>
<span class="source-line-no">1197</span><span id="line-1197"> @Test</span>
<span class="source-line-no">1198</span><span id="line-1198"> public void testAcquireSharedLockWhileParentHoldingExclusiveLock() {</span>
<span class="source-line-no">1199</span><span id="line-1199"> TableName tableName = TableName.valueOf(name.getMethodName());</span>
<span class="source-line-no">1200</span><span id="line-1200"> RegionInfo regionInfo = RegionInfoBuilder.newBuilder(tableName).build();</span>
<span class="source-line-no">1201</span><span id="line-1201"></span>
<span class="source-line-no">1202</span><span id="line-1202"> TestTableProcedure parentProc = new TestTableProcedure(1, tableName, TableOperationType.EDIT);</span>
<span class="source-line-no">1203</span><span id="line-1203"> TestRegionProcedure proc =</span>
<span class="source-line-no">1204</span><span id="line-1204"> new TestRegionProcedure(1, 2, tableName, TableOperationType.REGION_EDIT, regionInfo);</span>
<span class="source-line-no">1205</span><span id="line-1205"> queue.addBack(parentProc);</span>
<span class="source-line-no">1206</span><span id="line-1206"></span>
<span class="source-line-no">1207</span><span id="line-1207"> assertSame(parentProc, queue.poll());</span>
<span class="source-line-no">1208</span><span id="line-1208"> assertFalse(queue.waitTableExclusiveLock(parentProc, tableName));</span>
<span class="source-line-no">1209</span><span id="line-1209"></span>
<span class="source-line-no">1210</span><span id="line-1210"> // The queue for this table should be added back to run queue as the parent has the xlock, so we</span>
<span class="source-line-no">1211</span><span id="line-1211"> // can poll it out.</span>
<span class="source-line-no">1212</span><span id="line-1212"> queue.addFront(proc);</span>
<span class="source-line-no">1213</span><span id="line-1213"> assertSame(proc, queue.poll());</span>
<span class="source-line-no">1214</span><span id="line-1214"> // the parent has xlock on the table, and it is OK for us to acquire shared lock on the table,</span>
<span class="source-line-no">1215</span><span id="line-1215"> // this is what this test wants to confirm</span>
<span class="source-line-no">1216</span><span id="line-1216"> assertFalse(queue.waitRegion(proc, regionInfo));</span>
<span class="source-line-no">1217</span><span id="line-1217"></span>
<span class="source-line-no">1218</span><span id="line-1218"> queue.wakeRegion(proc, regionInfo);</span>
<span class="source-line-no">1219</span><span id="line-1219"> queue.wakeTableExclusiveLock(parentProc, tableName);</span>
<span class="source-line-no">1220</span><span id="line-1220"> }</span>
<span class="source-line-no">1221</span><span id="line-1221">}</span>
</pre>
</div>
</main>
</body>
</html>