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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.procedure2;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.testclassification.MasterTests;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.testclassification.SmallTests;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.junit.ClassRule;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.junit.Test;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">029</span><span id="line-29"></span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.ServerCrashState;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;</span> |
| <span class="source-line-no">032</span><span id="line-32"></span> |
| <span class="source-line-no">033</span><span id="line-33">@Category({ MasterTests.class, SmallTests.class })</span> |
| <span class="source-line-no">034</span><span id="line-34">public class TestProcedureToString {</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> @ClassRule</span> |
| <span class="source-line-no">037</span><span id="line-37"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">038</span><span id="line-38"> HBaseClassTestRule.forClass(TestProcedureToString.class);</span> |
| <span class="source-line-no">039</span><span id="line-39"></span> |
| <span class="source-line-no">040</span><span id="line-40"> /**</span> |
| <span class="source-line-no">041</span><span id="line-41"> * A do-nothing environment for BasicProcedure.</span> |
| <span class="source-line-no">042</span><span id="line-42"> */</span> |
| <span class="source-line-no">043</span><span id="line-43"> static class BasicProcedureEnv {</span> |
| <span class="source-line-no">044</span><span id="line-44"> }</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46"> /**</span> |
| <span class="source-line-no">047</span><span id="line-47"> * A do-nothing basic procedure just for testing toString.</span> |
| <span class="source-line-no">048</span><span id="line-48"> */</span> |
| <span class="source-line-no">049</span><span id="line-49"> static class BasicProcedure extends Procedure<BasicProcedureEnv> {</span> |
| <span class="source-line-no">050</span><span id="line-50"> @Override</span> |
| <span class="source-line-no">051</span><span id="line-51"> protected Procedure<BasicProcedureEnv>[] execute(BasicProcedureEnv env)</span> |
| <span class="source-line-no">052</span><span id="line-52"> throws ProcedureYieldException, InterruptedException {</span> |
| <span class="source-line-no">053</span><span id="line-53"> return new Procedure[] { this };</span> |
| <span class="source-line-no">054</span><span id="line-54"> }</span> |
| <span class="source-line-no">055</span><span id="line-55"></span> |
| <span class="source-line-no">056</span><span id="line-56"> @Override</span> |
| <span class="source-line-no">057</span><span id="line-57"> protected void rollback(BasicProcedureEnv env) throws IOException, InterruptedException {</span> |
| <span class="source-line-no">058</span><span id="line-58"> }</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> @Override</span> |
| <span class="source-line-no">061</span><span id="line-61"> protected boolean abort(BasicProcedureEnv env) {</span> |
| <span class="source-line-no">062</span><span id="line-62"> return false;</span> |
| <span class="source-line-no">063</span><span id="line-63"> }</span> |
| <span class="source-line-no">064</span><span id="line-64"></span> |
| <span class="source-line-no">065</span><span id="line-65"> @Override</span> |
| <span class="source-line-no">066</span><span id="line-66"> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> @Override</span> |
| <span class="source-line-no">070</span><span id="line-70"> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">071</span><span id="line-71"> }</span> |
| <span class="source-line-no">072</span><span id="line-72"> }</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> /**</span> |
| <span class="source-line-no">075</span><span id="line-75"> * A do-nothing basic procedure that overrides the toStringState method. It just doubles the</span> |
| <span class="source-line-no">076</span><span id="line-76"> * current state string.</span> |
| <span class="source-line-no">077</span><span id="line-77"> */</span> |
| <span class="source-line-no">078</span><span id="line-78"> static class DoublingStateStringBasicProcedure extends BasicProcedure {</span> |
| <span class="source-line-no">079</span><span id="line-79"> @Override</span> |
| <span class="source-line-no">080</span><span id="line-80"> protected void toStringState(StringBuilder builder) {</span> |
| <span class="source-line-no">081</span><span id="line-81"> // Call twice to get the state string twice as our state value.</span> |
| <span class="source-line-no">082</span><span id="line-82"> super.toStringState(builder);</span> |
| <span class="source-line-no">083</span><span id="line-83"> super.toStringState(builder);</span> |
| <span class="source-line-no">084</span><span id="line-84"> }</span> |
| <span class="source-line-no">085</span><span id="line-85"> }</span> |
| <span class="source-line-no">086</span><span id="line-86"></span> |
| <span class="source-line-no">087</span><span id="line-87"> /**</span> |
| <span class="source-line-no">088</span><span id="line-88"> * Test that I can override the toString for its state value.</span> |
| <span class="source-line-no">089</span><span id="line-89"> */</span> |
| <span class="source-line-no">090</span><span id="line-90"> @Test</span> |
| <span class="source-line-no">091</span><span id="line-91"> public void testBasicToString() {</span> |
| <span class="source-line-no">092</span><span id="line-92"> BasicProcedure p = new BasicProcedure();</span> |
| <span class="source-line-no">093</span><span id="line-93"> ProcedureState state = ProcedureState.RUNNABLE;</span> |
| <span class="source-line-no">094</span><span id="line-94"> p.setState(state);</span> |
| <span class="source-line-no">095</span><span id="line-95"> // Just assert that the toString basically works and has state in it.</span> |
| <span class="source-line-no">096</span><span id="line-96"> assertTrue(p.toString().contains(state.toString()));</span> |
| <span class="source-line-no">097</span><span id="line-97"> p = new DoublingStateStringBasicProcedure();</span> |
| <span class="source-line-no">098</span><span id="line-98"> p.setState(state);</span> |
| <span class="source-line-no">099</span><span id="line-99"> // Assert our override works and that we get double the state...</span> |
| <span class="source-line-no">100</span><span id="line-100"> String testStr = state.toString() + state.toString();</span> |
| <span class="source-line-no">101</span><span id="line-101"> assertTrue(p.toString().contains(testStr));</span> |
| <span class="source-line-no">102</span><span id="line-102"> }</span> |
| <span class="source-line-no">103</span><span id="line-103"></span> |
| <span class="source-line-no">104</span><span id="line-104"> /**</span> |
| <span class="source-line-no">105</span><span id="line-105"> * Do-nothing SimpleMachineProcedure for checking its toString.</span> |
| <span class="source-line-no">106</span><span id="line-106"> */</span> |
| <span class="source-line-no">107</span><span id="line-107"> static class SimpleStateMachineProcedure</span> |
| <span class="source-line-no">108</span><span id="line-108"> extends StateMachineProcedure<BasicProcedureEnv, ServerCrashState> {</span> |
| <span class="source-line-no">109</span><span id="line-109"> @Override</span> |
| <span class="source-line-no">110</span><span id="line-110"> protected org.apache.hadoop.hbase.procedure2.StateMachineProcedure.Flow</span> |
| <span class="source-line-no">111</span><span id="line-111"> executeFromState(BasicProcedureEnv env, ServerCrashState state)</span> |
| <span class="source-line-no">112</span><span id="line-112"> throws ProcedureYieldException, InterruptedException {</span> |
| <span class="source-line-no">113</span><span id="line-113"> return null;</span> |
| <span class="source-line-no">114</span><span id="line-114"> }</span> |
| <span class="source-line-no">115</span><span id="line-115"></span> |
| <span class="source-line-no">116</span><span id="line-116"> @Override</span> |
| <span class="source-line-no">117</span><span id="line-117"> protected void rollbackState(BasicProcedureEnv env, ServerCrashState state)</span> |
| <span class="source-line-no">118</span><span id="line-118"> throws IOException, InterruptedException {</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"> @Override</span> |
| <span class="source-line-no">122</span><span id="line-122"> protected ServerCrashState getState(int stateId) {</span> |
| <span class="source-line-no">123</span><span id="line-123"> return ServerCrashState.valueOf(stateId);</span> |
| <span class="source-line-no">124</span><span id="line-124"> }</span> |
| <span class="source-line-no">125</span><span id="line-125"></span> |
| <span class="source-line-no">126</span><span id="line-126"> @Override</span> |
| <span class="source-line-no">127</span><span id="line-127"> protected int getStateId(ServerCrashState state) {</span> |
| <span class="source-line-no">128</span><span id="line-128"> return state.getNumber();</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"> @Override</span> |
| <span class="source-line-no">132</span><span id="line-132"> protected ServerCrashState getInitialState() {</span> |
| <span class="source-line-no">133</span><span id="line-133"> return null;</span> |
| <span class="source-line-no">134</span><span id="line-134"> }</span> |
| <span class="source-line-no">135</span><span id="line-135"></span> |
| <span class="source-line-no">136</span><span id="line-136"> @Override</span> |
| <span class="source-line-no">137</span><span id="line-137"> protected boolean abort(BasicProcedureEnv env) {</span> |
| <span class="source-line-no">138</span><span id="line-138"> return false;</span> |
| <span class="source-line-no">139</span><span id="line-139"> }</span> |
| <span class="source-line-no">140</span><span id="line-140"> }</span> |
| <span class="source-line-no">141</span><span id="line-141"></span> |
| <span class="source-line-no">142</span><span id="line-142"> @Test</span> |
| <span class="source-line-no">143</span><span id="line-143"> public void testStateMachineProcedure() {</span> |
| <span class="source-line-no">144</span><span id="line-144"> SimpleStateMachineProcedure p = new SimpleStateMachineProcedure();</span> |
| <span class="source-line-no">145</span><span id="line-145"> ProcedureState state = ProcedureState.RUNNABLE;</span> |
| <span class="source-line-no">146</span><span id="line-146"> p.setState(state);</span> |
| <span class="source-line-no">147</span><span id="line-147"> p.setNextState(ServerCrashState.SERVER_CRASH_ASSIGN);</span> |
| <span class="source-line-no">148</span><span id="line-148"> // Just assert that the toString basically works and has state in it.</span> |
| <span class="source-line-no">149</span><span id="line-149"> assertTrue(p.toString().contains(state.toString()));</span> |
| <span class="source-line-no">150</span><span id="line-150"> assertTrue(p.toString().contains(ServerCrashState.SERVER_CRASH_ASSIGN.toString()));</span> |
| <span class="source-line-no">151</span><span id="line-151"> }</span> |
| <span class="source-line-no">152</span><span id="line-152">}</span> |
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