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apache / hbase-site / a1b7e3d2dc3ed9ef633a878c5ed54ad50f928421 / . / 1.1 / xref-test / org / apache / hadoop / hbase / procedure / TestZKProcedure.html
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<div id="overview"><a href="../../../../../../testapidocs/org/apache/hadoop/hbase/procedure/TestZKProcedure.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_javadoccomment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase.procedure;
<a class="jxr_linenumber" name="19" href="#19">19</a>
<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals;
<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Matchers.any;
<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Matchers.anyListOf;
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Matchers.eq;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Mockito.atMost;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Mockito.never;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Mockito.spy;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Mockito.when;
<a class="jxr_linenumber" name="28" href="#28">28</a>
<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.Arrays;
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.CountDownLatch;
<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ThreadPoolExecutor;
<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicInteger;
<a class="jxr_linenumber" name="36" href="#36">36</a>
<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.Abortable;
<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HBaseTestingUtility;
<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.testclassification.MediumTests;
<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.errorhandling.ForeignException;
<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher;
<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.errorhandling.TimeoutException;
<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.procedure.Subprocedure.SubprocedureImpl;
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Pair;
<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.junit.AfterClass;
<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.junit.BeforeClass;
<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.junit.Test;
<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.junit.experimental.categories.Category;
<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.mockito.Mockito;
<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.mockito.internal.matchers.ArrayEquals;
<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> org.mockito.invocation.InvocationOnMock;
<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> org.mockito.stubbing.Answer;
<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> org.mockito.verification.VerificationMode;
<a class="jxr_linenumber" name="57" href="#57">57</a>
<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> com.google.common.collect.Lists;
<a class="jxr_linenumber" name="59" href="#59">59</a>
<a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * Cluster-wide testing of a distributed three-phase commit using a 'real' zookeeper cluster</em>
<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="63" href="#63">63</a> @Category(MediumTests.<strong class="jxr_keyword">class</strong>)
<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/procedure/TestZKProcedure.html">TestZKProcedure</a> {
<a class="jxr_linenumber" name="65" href="#65">65</a>
<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(TestZKProcedure.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a> UTIL = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/HBaseTestingUtility.html">HBaseTestingUtility</a>();
<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String COORDINATOR_NODE_NAME = <span class="jxr_string">"coordinator"</span>;
<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> KEEP_ALIVE = 100; <em class="jxr_comment">// seconds</em>
<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> POOL_SIZE = 1;
<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> TIMEOUT = 10000; <em class="jxr_comment">// when debugging make this larger for debugging</em>
<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> WAKE_FREQUENCY = 500;
<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String opName = <span class="jxr_string">"op"</span>;
<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] data = <strong class="jxr_keyword">new</strong> byte[] { 1, 2 }; <em class="jxr_comment">// TODO what is this used for?</em>
<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> VerificationMode once = Mockito.times(1);
<a class="jxr_linenumber" name="76" href="#76">76</a>
<a class="jxr_linenumber" name="77" href="#77">77</a> @BeforeClass
<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> setupTest() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="79" href="#79">79</a> UTIL.startMiniZKCluster();
<a class="jxr_linenumber" name="80" href="#80">80</a> }
<a class="jxr_linenumber" name="81" href="#81">81</a>
<a class="jxr_linenumber" name="82" href="#82">82</a> @AfterClass
<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> cleanupTest() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="84" href="#84">84</a> UTIL.shutdownMiniZKCluster();
<a class="jxr_linenumber" name="85" href="#85">85</a> }
<a class="jxr_linenumber" name="86" href="#86">86</a>
<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> ZooKeeperWatcher newZooKeeperWatcher() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ZooKeeperWatcher(UTIL.getConfiguration(), <span class="jxr_string">"testing utility"</span>, <strong class="jxr_keyword">new</strong> Abortable() {
<a class="jxr_linenumber" name="89" href="#89">89</a> @Override
<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> abort(String why, Throwable e) {
<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(
<a class="jxr_linenumber" name="92" href="#92">92</a> <span class="jxr_string">"Unexpected abort in distributed three phase commit test:"</span> + why, e);
<a class="jxr_linenumber" name="93" href="#93">93</a> }
<a class="jxr_linenumber" name="94" href="#94">94</a>
<a class="jxr_linenumber" name="95" href="#95">95</a> @Override
<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isAborted() {
<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="98" href="#98">98</a> }
<a class="jxr_linenumber" name="99" href="#99">99</a> });
<a class="jxr_linenumber" name="100" href="#100">100</a> }
<a class="jxr_linenumber" name="101" href="#101">101</a>
<a class="jxr_linenumber" name="102" href="#102">102</a> @Test
<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testEmptyMemberSet() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="104" href="#104">104</a> runCommit();
<a class="jxr_linenumber" name="105" href="#105">105</a> }
<a class="jxr_linenumber" name="106" href="#106">106</a>
<a class="jxr_linenumber" name="107" href="#107">107</a> @Test
<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testSingleMember() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="109" href="#109">109</a> runCommit(<span class="jxr_string">"one"</span>);
<a class="jxr_linenumber" name="110" href="#110">110</a> }
<a class="jxr_linenumber" name="111" href="#111">111</a>
<a class="jxr_linenumber" name="112" href="#112">112</a> @Test
<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultipleMembers() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="114" href="#114">114</a> runCommit(<span class="jxr_string">"one"</span>, <span class="jxr_string">"two"</span>, <span class="jxr_string">"three"</span>, <span class="jxr_string">"four"</span> );
<a class="jxr_linenumber" name="115" href="#115">115</a> }
<a class="jxr_linenumber" name="116" href="#116">116</a>
<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> runCommit(String... members) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_comment">// make sure we just have an empty list</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">if</strong> (members == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="120" href="#120">120</a> members = <strong class="jxr_keyword">new</strong> String[0];
<a class="jxr_linenumber" name="121" href="#121">121</a> }
<a class="jxr_linenumber" name="122" href="#122">122</a> List&lt;String&gt; expected = Arrays.asList(members);
<a class="jxr_linenumber" name="123" href="#123">123</a>
<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_comment">// setup the constants</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> ZooKeeperWatcher coordZkw = newZooKeeperWatcher();
<a class="jxr_linenumber" name="126" href="#126">126</a> String opDescription = <span class="jxr_string">"coordination test - "</span> + members.length + <span class="jxr_string">" cohort members"</span>;
<a class="jxr_linenumber" name="127" href="#127">127</a>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_comment">// start running the controller</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> ZKProcedureCoordinatorRpcs coordinatorComms = <strong class="jxr_keyword">new</strong> ZKProcedureCoordinatorRpcs(
<a class="jxr_linenumber" name="130" href="#130">130</a> coordZkw, opDescription, COORDINATOR_NODE_NAME);
<a class="jxr_linenumber" name="131" href="#131">131</a> ThreadPoolExecutor pool = ProcedureCoordinator.defaultPool(COORDINATOR_NODE_NAME, POOL_SIZE, KEEP_ALIVE);
<a class="jxr_linenumber" name="132" href="#132">132</a> ProcedureCoordinator coordinator = <strong class="jxr_keyword">new</strong> ProcedureCoordinator(coordinatorComms, pool) {
<a class="jxr_linenumber" name="133" href="#133">133</a> @Override
<a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">public</strong> Procedure createProcedure(ForeignExceptionDispatcher fed, String procName, byte[] procArgs,
<a class="jxr_linenumber" name="135" href="#135">135</a> List&lt;String&gt; expectedMembers) {
<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">return</strong> Mockito.spy(<strong class="jxr_keyword">super</strong>.createProcedure(fed, procName, procArgs, expectedMembers));
<a class="jxr_linenumber" name="137" href="#137">137</a> }
<a class="jxr_linenumber" name="138" href="#138">138</a> };
<a class="jxr_linenumber" name="139" href="#139">139</a>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_comment">// build and start members</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_comment">// NOTE: There is a single subprocedure builder for all members here.</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> SubprocedureFactory subprocFactory = Mockito.mock(SubprocedureFactory.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="143" href="#143">143</a> List&lt;Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt;&gt; procMembers = <strong class="jxr_keyword">new</strong> ArrayList&lt;Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt;&gt;(
<a class="jxr_linenumber" name="144" href="#144">144</a> members.length);
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_comment">// start each member</em>
<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">for</strong> (String member : members) {
<a class="jxr_linenumber" name="147" href="#147">147</a> ZooKeeperWatcher watcher = newZooKeeperWatcher();
<a class="jxr_linenumber" name="148" href="#148">148</a> ZKProcedureMemberRpcs comms = <strong class="jxr_keyword">new</strong> ZKProcedureMemberRpcs(watcher, opDescription);
<a class="jxr_linenumber" name="149" href="#149">149</a> ThreadPoolExecutor pool2 = ProcedureMember.defaultPool(member, 1, KEEP_ALIVE);
<a class="jxr_linenumber" name="150" href="#150">150</a> ProcedureMember procMember = <strong class="jxr_keyword">new</strong> ProcedureMember(comms, pool2, subprocFactory);
<a class="jxr_linenumber" name="151" href="#151">151</a> procMembers.add(<strong class="jxr_keyword">new</strong> Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt;(procMember, comms));
<a class="jxr_linenumber" name="152" href="#152">152</a> comms.start(member, procMember);
<a class="jxr_linenumber" name="153" href="#153">153</a> }
<a class="jxr_linenumber" name="154" href="#154">154</a>
<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_comment">// setup mock member subprocedures</em>
<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">final</strong> List&lt;Subprocedure&gt; subprocs = <strong class="jxr_keyword">new</strong> ArrayList&lt;Subprocedure&gt;();
<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; procMembers.size(); i++) {
<a class="jxr_linenumber" name="158" href="#158">158</a> ForeignExceptionDispatcher cohortMonitor = <strong class="jxr_keyword">new</strong> ForeignExceptionDispatcher();
<a class="jxr_linenumber" name="159" href="#159">159</a> Subprocedure commit = Mockito
<a class="jxr_linenumber" name="160" href="#160">160</a> .spy(<strong class="jxr_keyword">new</strong> SubprocedureImpl(procMembers.get(i).getFirst(), opName, cohortMonitor,
<a class="jxr_linenumber" name="161" href="#161">161</a> WAKE_FREQUENCY, TIMEOUT));
<a class="jxr_linenumber" name="162" href="#162">162</a> subprocs.add(commit);
<a class="jxr_linenumber" name="163" href="#163">163</a> }
<a class="jxr_linenumber" name="164" href="#164">164</a>
<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_comment">// link subprocedure to buildNewOperation invocation.</em>
<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">final</strong> AtomicInteger i = <strong class="jxr_keyword">new</strong> AtomicInteger(0); <em class="jxr_comment">// NOTE: would be racy if not an AtomicInteger</em>
<a class="jxr_linenumber" name="167" href="#167">167</a> Mockito.when(subprocFactory.buildSubprocedure(Mockito.eq(opName),
<a class="jxr_linenumber" name="168" href="#168">168</a> (byte[]) Mockito.argThat(<strong class="jxr_keyword">new</strong> ArrayEquals(data)))).thenAnswer(
<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">new</strong> Answer&lt;Subprocedure&gt;() {
<a class="jxr_linenumber" name="170" href="#170">170</a> @Override
<a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">public</strong> Subprocedure answer(InvocationOnMock invocation) <strong class="jxr_keyword">throws</strong> Throwable {
<a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">int</strong> index = i.getAndIncrement();
<a class="jxr_linenumber" name="173" href="#173">173</a> LOG.debug(<span class="jxr_string">"Task size:"</span> + subprocs.size() + <span class="jxr_string">", getting:"</span> + index);
<a class="jxr_linenumber" name="174" href="#174">174</a> Subprocedure commit = subprocs.get(index);
<a class="jxr_linenumber" name="175" href="#175">175</a> <strong class="jxr_keyword">return</strong> commit;
<a class="jxr_linenumber" name="176" href="#176">176</a> }
<a class="jxr_linenumber" name="177" href="#177">177</a> });
<a class="jxr_linenumber" name="178" href="#178">178</a>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_comment">// setup spying on the coordinator</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_comment">// Procedure proc = Mockito.spy(procBuilder.createProcedure(coordinator, opName, data, expected));</em>
<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_comment">// Mockito.when(procBuilder.build(coordinator, opName, data, expected)).thenReturn(proc);</em>
<a class="jxr_linenumber" name="182" href="#182">182</a>
<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_comment">// start running the operation</em>
<a class="jxr_linenumber" name="184" href="#184">184</a> Procedure task = coordinator.startProcedure(<strong class="jxr_keyword">new</strong> ForeignExceptionDispatcher(), opName, data, expected);
<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_comment">// assertEquals("Didn't mock coordinator task", proc, task);</em>
<a class="jxr_linenumber" name="186" href="#186">186</a>
<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_comment">// verify all things ran as expected</em>
<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_comment">// waitAndVerifyProc(proc, once, once, never(), once, false);</em>
<a class="jxr_linenumber" name="189" href="#189">189</a> waitAndVerifyProc(task, once, once, never(), once, false);
<a class="jxr_linenumber" name="190" href="#190">190</a> verifyCohortSuccessful(expected, subprocFactory, subprocs, once, once, never(), once, false);
<a class="jxr_linenumber" name="191" href="#191">191</a>
<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_comment">// close all the things</em>
<a class="jxr_linenumber" name="193" href="#193">193</a> closeAll(coordinator, coordinatorComms, procMembers);
<a class="jxr_linenumber" name="194" href="#194">194</a> }
<a class="jxr_linenumber" name="195" href="#195">195</a>
<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment"> * Test a distributed commit with multiple cohort members, where one of the cohort members has a</em>
<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment"> * timeout exception during the prepare stage.</em>
<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="200" href="#200">200</a> @Test
<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiCohortWithMemberTimeoutDuringPrepare() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="202" href="#202">202</a> String opDescription = <span class="jxr_string">"error injection coordination"</span>;
<a class="jxr_linenumber" name="203" href="#203">203</a> String[] cohortMembers = <strong class="jxr_keyword">new</strong> String[] { <span class="jxr_string">"one"</span>, <span class="jxr_string">"two"</span>, <span class="jxr_string">"three"</span> };
<a class="jxr_linenumber" name="204" href="#204">204</a> List&lt;String&gt; expected = Lists.newArrayList(cohortMembers);
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_comment">// error constants</em>
<a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> memberErrorIndex = 2;
<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">final</strong> CountDownLatch coordinatorReceivedErrorLatch = <strong class="jxr_keyword">new</strong> CountDownLatch(1);
<a class="jxr_linenumber" name="208" href="#208">208</a>
<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_comment">// start running the coordinator and its controller</em>
<a class="jxr_linenumber" name="210" href="#210">210</a> ZooKeeperWatcher coordinatorWatcher = newZooKeeperWatcher();
<a class="jxr_linenumber" name="211" href="#211">211</a> ZKProcedureCoordinatorRpcs coordinatorController = <strong class="jxr_keyword">new</strong> ZKProcedureCoordinatorRpcs(
<a class="jxr_linenumber" name="212" href="#212">212</a> coordinatorWatcher, opDescription, COORDINATOR_NODE_NAME);
<a class="jxr_linenumber" name="213" href="#213">213</a> ThreadPoolExecutor pool = ProcedureCoordinator.defaultPool(COORDINATOR_NODE_NAME, POOL_SIZE, KEEP_ALIVE);
<a class="jxr_linenumber" name="214" href="#214">214</a> ProcedureCoordinator coordinator = spy(<strong class="jxr_keyword">new</strong> ProcedureCoordinator(coordinatorController, pool));
<a class="jxr_linenumber" name="215" href="#215">215</a>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_comment">// start a member for each node</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> SubprocedureFactory subprocFactory = Mockito.mock(SubprocedureFactory.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="218" href="#218">218</a> List&lt;Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt;&gt; members = <strong class="jxr_keyword">new</strong> ArrayList&lt;Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt;&gt;(
<a class="jxr_linenumber" name="219" href="#219">219</a> expected.size());
<a class="jxr_linenumber" name="220" href="#220">220</a> <strong class="jxr_keyword">for</strong> (String member : expected) {
<a class="jxr_linenumber" name="221" href="#221">221</a> ZooKeeperWatcher watcher = newZooKeeperWatcher();
<a class="jxr_linenumber" name="222" href="#222">222</a> ZKProcedureMemberRpcs controller = <strong class="jxr_keyword">new</strong> ZKProcedureMemberRpcs(watcher, opDescription);
<a class="jxr_linenumber" name="223" href="#223">223</a> ThreadPoolExecutor pool2 = ProcedureMember.defaultPool(member, 1, KEEP_ALIVE);
<a class="jxr_linenumber" name="224" href="#224">224</a> ProcedureMember mem = <strong class="jxr_keyword">new</strong> ProcedureMember(controller, pool2, subprocFactory);
<a class="jxr_linenumber" name="225" href="#225">225</a> members.add(<strong class="jxr_keyword">new</strong> Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt;(mem, controller));
<a class="jxr_linenumber" name="226" href="#226">226</a> controller.start(member, mem);
<a class="jxr_linenumber" name="227" href="#227">227</a> }
<a class="jxr_linenumber" name="228" href="#228">228</a>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_comment">// setup mock subprocedures</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">final</strong> List&lt;Subprocedure&gt; cohortTasks = <strong class="jxr_keyword">new</strong> ArrayList&lt;Subprocedure&gt;();
<a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong>[] elem = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[1];
<a class="jxr_linenumber" name="232" href="#232">232</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; members.size(); i++) {
<a class="jxr_linenumber" name="233" href="#233">233</a> ForeignExceptionDispatcher cohortMonitor = <strong class="jxr_keyword">new</strong> ForeignExceptionDispatcher();
<a class="jxr_linenumber" name="234" href="#234">234</a> <strong class="jxr_keyword">final</strong> ProcedureMember comms = members.get(i).getFirst();
<a class="jxr_linenumber" name="235" href="#235">235</a> Subprocedure commit = Mockito
<a class="jxr_linenumber" name="236" href="#236">236</a> .spy(<strong class="jxr_keyword">new</strong> SubprocedureImpl(comms, opName, cohortMonitor, WAKE_FREQUENCY, TIMEOUT));
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_comment">// This nasty bit has one of the impls throw a TimeoutException</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> Mockito.doAnswer(<strong class="jxr_keyword">new</strong> Answer&lt;Void&gt;() {
<a class="jxr_linenumber" name="239" href="#239">239</a> @Override
<a class="jxr_linenumber" name="240" href="#240">240</a> <strong class="jxr_keyword">public</strong> Void answer(InvocationOnMock invocation) <strong class="jxr_keyword">throws</strong> Throwable {
<a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">int</strong> index = elem[0];
<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">if</strong> (index == memberErrorIndex) {
<a class="jxr_linenumber" name="243" href="#243">243</a> LOG.debug(<span class="jxr_string">"Sending error to coordinator"</span>);
<a class="jxr_linenumber" name="244" href="#244">244</a> ForeignException remoteCause = <strong class="jxr_keyword">new</strong> ForeignException(<span class="jxr_string">"TIMER"</span>,
<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">new</strong> TimeoutException(<span class="jxr_string">"subprocTimeout"</span> , 1, 2, 0));
<a class="jxr_linenumber" name="246" href="#246">246</a> Subprocedure r = ((Subprocedure) invocation.getMock());
<a class="jxr_linenumber" name="247" href="#247">247</a> LOG.error(<span class="jxr_string">"Remote commit failure, not propagating error:"</span> + remoteCause);
<a class="jxr_linenumber" name="248" href="#248">248</a> comms.receiveAbortProcedure(r.getName(), remoteCause);
<a class="jxr_linenumber" name="249" href="#249">249</a> assertEquals(r.isComplete(), <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_comment">// don't complete the error phase until the coordinator has gotten the error</em>
<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_comment">// notification (which ensures that we never progress past prepare)</em>
<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="253" href="#253">253</a> Procedure.waitForLatch(coordinatorReceivedErrorLatch, <strong class="jxr_keyword">new</strong> ForeignExceptionDispatcher(),
<a class="jxr_linenumber" name="254" href="#254">254</a> WAKE_FREQUENCY, <span class="jxr_string">"coordinator received error"</span>);
<a class="jxr_linenumber" name="255" href="#255">255</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
<a class="jxr_linenumber" name="256" href="#256">256</a> LOG.debug(<span class="jxr_string">"Wait for latch interrupted, done:"</span> + (coordinatorReceivedErrorLatch.getCount() == 0));
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_comment">// reset the interrupt status on the thread</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> Thread.currentThread().interrupt();
<a class="jxr_linenumber" name="259" href="#259">259</a> }
<a class="jxr_linenumber" name="260" href="#260">260</a> }
<a class="jxr_linenumber" name="261" href="#261">261</a> elem[0] = ++index;
<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="263" href="#263">263</a> }
<a class="jxr_linenumber" name="264" href="#264">264</a> }).when(commit).acquireBarrier();
<a class="jxr_linenumber" name="265" href="#265">265</a> cohortTasks.add(commit);
<a class="jxr_linenumber" name="266" href="#266">266</a> }
<a class="jxr_linenumber" name="267" href="#267">267</a>
<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_comment">// pass out a task per member</em>
<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">final</strong> AtomicInteger taskIndex = <strong class="jxr_keyword">new</strong> AtomicInteger();
<a class="jxr_linenumber" name="270" href="#270">270</a> Mockito.when(
<a class="jxr_linenumber" name="271" href="#271">271</a> subprocFactory.buildSubprocedure(Mockito.eq(opName),
<a class="jxr_linenumber" name="272" href="#272">272</a> (byte[]) Mockito.argThat(<strong class="jxr_keyword">new</strong> ArrayEquals(data)))).thenAnswer(
<a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">new</strong> Answer&lt;Subprocedure&gt;() {
<a class="jxr_linenumber" name="274" href="#274">274</a> @Override
<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">public</strong> Subprocedure answer(InvocationOnMock invocation) <strong class="jxr_keyword">throws</strong> Throwable {
<a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">int</strong> index = taskIndex.getAndIncrement();
<a class="jxr_linenumber" name="277" href="#277">277</a> Subprocedure commit = cohortTasks.get(index);
<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">return</strong> commit;
<a class="jxr_linenumber" name="279" href="#279">279</a> }
<a class="jxr_linenumber" name="280" href="#280">280</a> });
<a class="jxr_linenumber" name="281" href="#281">281</a>
<a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_comment">// setup spying on the coordinator</em>
<a class="jxr_linenumber" name="283" href="#283">283</a> ForeignExceptionDispatcher coordinatorTaskErrorMonitor = Mockito
<a class="jxr_linenumber" name="284" href="#284">284</a> .spy(<strong class="jxr_keyword">new</strong> ForeignExceptionDispatcher());
<a class="jxr_linenumber" name="285" href="#285">285</a> Procedure coordinatorTask = Mockito.spy(<strong class="jxr_keyword">new</strong> Procedure(coordinator,
<a class="jxr_linenumber" name="286" href="#286">286</a> coordinatorTaskErrorMonitor, WAKE_FREQUENCY, TIMEOUT,
<a class="jxr_linenumber" name="287" href="#287">287</a> opName, data, expected));
<a class="jxr_linenumber" name="288" href="#288">288</a> when(coordinator.createProcedure(any(ForeignExceptionDispatcher.<strong class="jxr_keyword">class</strong>), eq(opName), eq(data), anyListOf(String.<strong class="jxr_keyword">class</strong>)))
<a class="jxr_linenumber" name="289" href="#289">289</a> .thenReturn(coordinatorTask);
<a class="jxr_linenumber" name="290" href="#290">290</a> <em class="jxr_comment">// count down the error latch when we get the remote error</em>
<a class="jxr_linenumber" name="291" href="#291">291</a> Mockito.doAnswer(<strong class="jxr_keyword">new</strong> Answer&lt;Void&gt;() {
<a class="jxr_linenumber" name="292" href="#292">292</a> @Override
<a class="jxr_linenumber" name="293" href="#293">293</a> <strong class="jxr_keyword">public</strong> Void answer(InvocationOnMock invocation) <strong class="jxr_keyword">throws</strong> Throwable {
<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_comment">// pass on the error to the master</em>
<a class="jxr_linenumber" name="295" href="#295">295</a> invocation.callRealMethod();
<a class="jxr_linenumber" name="296" href="#296">296</a> <em class="jxr_comment">// then count down the got error latch</em>
<a class="jxr_linenumber" name="297" href="#297">297</a> coordinatorReceivedErrorLatch.countDown();
<a class="jxr_linenumber" name="298" href="#298">298</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="299" href="#299">299</a> }
<a class="jxr_linenumber" name="300" href="#300">300</a> }).when(coordinatorTask).receive(Mockito.any(ForeignException.<strong class="jxr_keyword">class</strong>));
<a class="jxr_linenumber" name="301" href="#301">301</a>
<a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_comment">// ----------------------------</em>
<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_comment">// start running the operation</em>
<a class="jxr_linenumber" name="304" href="#304">304</a> <em class="jxr_comment">// ----------------------------</em>
<a class="jxr_linenumber" name="305" href="#305">305</a>
<a class="jxr_linenumber" name="306" href="#306">306</a> Procedure task = coordinator.startProcedure(coordinatorTaskErrorMonitor, opName, data, expected);
<a class="jxr_linenumber" name="307" href="#307">307</a> assertEquals(<span class="jxr_string">"Didn't mock coordinator task"</span>, coordinatorTask, task);
<a class="jxr_linenumber" name="308" href="#308">308</a>
<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_comment">// wait for the task to complete</em>
<a class="jxr_linenumber" name="310" href="#310">310</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="311" href="#311">311</a> task.waitForCompleted();
<a class="jxr_linenumber" name="312" href="#312">312</a> } <strong class="jxr_keyword">catch</strong> (ForeignException fe) {
<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_comment">// this may get caught or may not</em>
<a class="jxr_linenumber" name="314" href="#314">314</a> }
<a class="jxr_linenumber" name="315" href="#315">315</a>
<a class="jxr_linenumber" name="316" href="#316">316</a> <em class="jxr_comment">// -------------</em>
<a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_comment">// verification</em>
<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_comment">// -------------</em>
<a class="jxr_linenumber" name="319" href="#319">319</a>
<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_comment">// always expect prepared, never committed, and possible to have cleanup and finish (racy since</em>
<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_comment">// error case)</em>
<a class="jxr_linenumber" name="322" href="#322">322</a> waitAndVerifyProc(coordinatorTask, once, never(), once, atMost(1), <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="323" href="#323">323</a> verifyCohortSuccessful(expected, subprocFactory, cohortTasks, once, never(), once,
<a class="jxr_linenumber" name="324" href="#324">324</a> once, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="325" href="#325">325</a>
<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_comment">// close all the open things</em>
<a class="jxr_linenumber" name="327" href="#327">327</a> closeAll(coordinator, coordinatorController, members);
<a class="jxr_linenumber" name="328" href="#328">328</a> }
<a class="jxr_linenumber" name="329" href="#329">329</a>
<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment"> * Wait for the coordinator task to complete, and verify all the mocks</em>
<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment"> * @param task to wait on</em>
<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment"> * @throws Exception on unexpected failure</em>
<a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="335" href="#335">335</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitAndVerifyProc(Procedure proc, VerificationMode prepare,
<a class="jxr_linenumber" name="336" href="#336">336</a> VerificationMode commit, VerificationMode cleanup, VerificationMode finish, <strong class="jxr_keyword">boolean</strong> opHasError)
<a class="jxr_linenumber" name="337" href="#337">337</a> <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="338" href="#338">338</a> <strong class="jxr_keyword">boolean</strong> caughtError = false;
<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="340" href="#340">340</a> proc.waitForCompleted();
<a class="jxr_linenumber" name="341" href="#341">341</a> } <strong class="jxr_keyword">catch</strong> (ForeignException fe) {
<a class="jxr_linenumber" name="342" href="#342">342</a> caughtError = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="343" href="#343">343</a> }
<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_comment">// make sure that the task called all the expected phases</em>
<a class="jxr_linenumber" name="345" href="#345">345</a> Mockito.verify(proc, prepare).sendGlobalBarrierStart();
<a class="jxr_linenumber" name="346" href="#346">346</a> Mockito.verify(proc, commit).sendGlobalBarrierReached();
<a class="jxr_linenumber" name="347" href="#347">347</a> Mockito.verify(proc, finish).sendGlobalBarrierComplete();
<a class="jxr_linenumber" name="348" href="#348">348</a> assertEquals(<span class="jxr_string">"Operation error state was unexpected"</span>, opHasError, proc.getErrorMonitor()
<a class="jxr_linenumber" name="349" href="#349">349</a> .hasException());
<a class="jxr_linenumber" name="350" href="#350">350</a> assertEquals(<span class="jxr_string">"Operation error state was unexpected"</span>, opHasError, caughtError);
<a class="jxr_linenumber" name="351" href="#351">351</a>
<a class="jxr_linenumber" name="352" href="#352">352</a> }
<a class="jxr_linenumber" name="353" href="#353">353</a>
<a class="jxr_linenumber" name="354" href="#354">354</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="355" href="#355">355</a> <em class="jxr_javadoccomment"> * Wait for the coordinator task to complete, and verify all the mocks</em>
<a class="jxr_linenumber" name="356" href="#356">356</a> <em class="jxr_javadoccomment"> * @param task to wait on</em>
<a class="jxr_linenumber" name="357" href="#357">357</a> <em class="jxr_javadoccomment"> * @throws Exception on unexpected failure</em>
<a class="jxr_linenumber" name="358" href="#358">358</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="359" href="#359">359</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitAndVerifySubproc(Subprocedure op, VerificationMode prepare,
<a class="jxr_linenumber" name="360" href="#360">360</a> VerificationMode commit, VerificationMode cleanup, VerificationMode finish, <strong class="jxr_keyword">boolean</strong> opHasError)
<a class="jxr_linenumber" name="361" href="#361">361</a> <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="362" href="#362">362</a> <strong class="jxr_keyword">boolean</strong> caughtError = false;
<a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="364" href="#364">364</a> op.waitForLocallyCompleted();
<a class="jxr_linenumber" name="365" href="#365">365</a> } <strong class="jxr_keyword">catch</strong> (ForeignException fe) {
<a class="jxr_linenumber" name="366" href="#366">366</a> caughtError = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="367" href="#367">367</a> }
<a class="jxr_linenumber" name="368" href="#368">368</a> <em class="jxr_comment">// make sure that the task called all the expected phases</em>
<a class="jxr_linenumber" name="369" href="#369">369</a> Mockito.verify(op, prepare).acquireBarrier();
<a class="jxr_linenumber" name="370" href="#370">370</a> Mockito.verify(op, commit).insideBarrier();
<a class="jxr_linenumber" name="371" href="#371">371</a> <em class="jxr_comment">// We cannot guarantee that cleanup has run so we don't check it.</em>
<a class="jxr_linenumber" name="372" href="#372">372</a>
<a class="jxr_linenumber" name="373" href="#373">373</a> assertEquals(<span class="jxr_string">"Operation error state was unexpected"</span>, opHasError, op.getErrorCheckable()
<a class="jxr_linenumber" name="374" href="#374">374</a> .hasException());
<a class="jxr_linenumber" name="375" href="#375">375</a> assertEquals(<span class="jxr_string">"Operation error state was unexpected"</span>, opHasError, caughtError);
<a class="jxr_linenumber" name="376" href="#376">376</a>
<a class="jxr_linenumber" name="377" href="#377">377</a> }
<a class="jxr_linenumber" name="378" href="#378">378</a>
<a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> verifyCohortSuccessful(List&lt;String&gt; cohortNames,
<a class="jxr_linenumber" name="380" href="#380">380</a> SubprocedureFactory subprocFactory, Iterable&lt;Subprocedure&gt; cohortTasks,
<a class="jxr_linenumber" name="381" href="#381">381</a> VerificationMode prepare, VerificationMode commit, VerificationMode cleanup,
<a class="jxr_linenumber" name="382" href="#382">382</a> VerificationMode finish, <strong class="jxr_keyword">boolean</strong> opHasError) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="383" href="#383">383</a>
<a class="jxr_linenumber" name="384" href="#384">384</a> <em class="jxr_comment">// make sure we build the correct number of cohort members</em>
<a class="jxr_linenumber" name="385" href="#385">385</a> Mockito.verify(subprocFactory, Mockito.times(cohortNames.size())).buildSubprocedure(
<a class="jxr_linenumber" name="386" href="#386">386</a> Mockito.eq(opName), (byte[]) Mockito.argThat(<strong class="jxr_keyword">new</strong> ArrayEquals(data)));
<a class="jxr_linenumber" name="387" href="#387">387</a> <em class="jxr_comment">// verify that we ran each of the operations cleanly</em>
<a class="jxr_linenumber" name="388" href="#388">388</a> <strong class="jxr_keyword">int</strong> j = 0;
<a class="jxr_linenumber" name="389" href="#389">389</a> <strong class="jxr_keyword">for</strong> (Subprocedure op : cohortTasks) {
<a class="jxr_linenumber" name="390" href="#390">390</a> LOG.debug(<span class="jxr_string">"Checking mock:"</span> + (j++));
<a class="jxr_linenumber" name="391" href="#391">391</a> waitAndVerifySubproc(op, prepare, commit, cleanup, finish, opHasError);
<a class="jxr_linenumber" name="392" href="#392">392</a> }
<a class="jxr_linenumber" name="393" href="#393">393</a> }
<a class="jxr_linenumber" name="394" href="#394">394</a>
<a class="jxr_linenumber" name="395" href="#395">395</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> closeAll(
<a class="jxr_linenumber" name="396" href="#396">396</a> ProcedureCoordinator coordinator,
<a class="jxr_linenumber" name="397" href="#397">397</a> ZKProcedureCoordinatorRpcs coordinatorController,
<a class="jxr_linenumber" name="398" href="#398">398</a> List&lt;Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt;&gt; cohort)
<a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="400" href="#400">400</a> <em class="jxr_comment">// make sure we close all the resources</em>
<a class="jxr_linenumber" name="401" href="#401">401</a> <strong class="jxr_keyword">for</strong> (Pair&lt;ProcedureMember, ZKProcedureMemberRpcs&gt; member : cohort) {
<a class="jxr_linenumber" name="402" href="#402">402</a> member.getFirst().close();
<a class="jxr_linenumber" name="403" href="#403">403</a> member.getSecond().close();
<a class="jxr_linenumber" name="404" href="#404">404</a> }
<a class="jxr_linenumber" name="405" href="#405">405</a> coordinator.close();
<a class="jxr_linenumber" name="406" href="#406">406</a> coordinatorController.close();
<a class="jxr_linenumber" name="407" href="#407">407</a> }
<a class="jxr_linenumber" name="408" href="#408">408</a> }
</pre>
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