| <!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.assignment, class: MoveRegionProcedure"> |
| <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.assignment;</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 java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import org.apache.hadoop.hbase.ServerName;</span> |
| <span class="source-line-no">022</span><span id="line-22">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.client.RegionInfo;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.master.RegionPlan;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.master.procedure.AbstractStateMachineRegionProcedure;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.yetus.audience.InterfaceAudience;</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.ProtobufUtil;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.MoveRegionState;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.MoveRegionStateData;</span> |
| <span class="source-line-no">033</span><span id="line-33"></span> |
| <span class="source-line-no">034</span><span id="line-34">/**</span> |
| <span class="source-line-no">035</span><span id="line-35"> * Leave here only for checking if we can successfully start the master.</span> |
| <span class="source-line-no">036</span><span id="line-36"> * @deprecated Do not use any more.</span> |
| <span class="source-line-no">037</span><span id="line-37"> * @see TransitRegionStateProcedure</span> |
| <span class="source-line-no">038</span><span id="line-38"> */</span> |
| <span class="source-line-no">039</span><span id="line-39">@Deprecated</span> |
| <span class="source-line-no">040</span><span id="line-40">@InterfaceAudience.Private</span> |
| <span class="source-line-no">041</span><span id="line-41">public class MoveRegionProcedure extends AbstractStateMachineRegionProcedure<MoveRegionState> {</span> |
| <span class="source-line-no">042</span><span id="line-42"> private RegionPlan plan;</span> |
| <span class="source-line-no">043</span><span id="line-43"></span> |
| <span class="source-line-no">044</span><span id="line-44"> public MoveRegionProcedure() {</span> |
| <span class="source-line-no">045</span><span id="line-45"> super();</span> |
| <span class="source-line-no">046</span><span id="line-46"> }</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> @Override</span> |
| <span class="source-line-no">049</span><span id="line-49"> protected Flow executeFromState(final MasterProcedureEnv env, final MoveRegionState state)</span> |
| <span class="source-line-no">050</span><span id="line-50"> throws InterruptedException {</span> |
| <span class="source-line-no">051</span><span id="line-51"> return Flow.NO_MORE_STATE;</span> |
| <span class="source-line-no">052</span><span id="line-52"> }</span> |
| <span class="source-line-no">053</span><span id="line-53"></span> |
| <span class="source-line-no">054</span><span id="line-54"> @Override</span> |
| <span class="source-line-no">055</span><span id="line-55"> protected void rollbackState(final MasterProcedureEnv env, final MoveRegionState state)</span> |
| <span class="source-line-no">056</span><span id="line-56"> throws IOException {</span> |
| <span class="source-line-no">057</span><span id="line-57"> // no-op</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"> public boolean abort(final MasterProcedureEnv 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"> public void toStringClassDetails(final StringBuilder sb) {</span> |
| <span class="source-line-no">067</span><span id="line-67"> sb.append(getClass().getSimpleName());</span> |
| <span class="source-line-no">068</span><span id="line-68"> sb.append(" ");</span> |
| <span class="source-line-no">069</span><span id="line-69"> sb.append(plan);</span> |
| <span class="source-line-no">070</span><span id="line-70"> }</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> @Override</span> |
| <span class="source-line-no">073</span><span id="line-73"> protected MoveRegionState getInitialState() {</span> |
| <span class="source-line-no">074</span><span id="line-74"> return MoveRegionState.MOVE_REGION_UNASSIGN;</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> @Override</span> |
| <span class="source-line-no">078</span><span id="line-78"> protected int getStateId(final MoveRegionState state) {</span> |
| <span class="source-line-no">079</span><span id="line-79"> return state.getNumber();</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"> @Override</span> |
| <span class="source-line-no">083</span><span id="line-83"> protected MoveRegionState getState(final int stateId) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> return MoveRegionState.forNumber(stateId);</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"> @Override</span> |
| <span class="source-line-no">088</span><span id="line-88"> public TableName getTableName() {</span> |
| <span class="source-line-no">089</span><span id="line-89"> return plan.getRegionInfo().getTable();</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> @Override</span> |
| <span class="source-line-no">093</span><span id="line-93"> public TableOperationType getTableOperationType() {</span> |
| <span class="source-line-no">094</span><span id="line-94"> return TableOperationType.REGION_EDIT;</span> |
| <span class="source-line-no">095</span><span id="line-95"> }</span> |
| <span class="source-line-no">096</span><span id="line-96"></span> |
| <span class="source-line-no">097</span><span id="line-97"> @Override</span> |
| <span class="source-line-no">098</span><span id="line-98"> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">099</span><span id="line-99"> super.serializeStateData(serializer);</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> final MoveRegionStateData.Builder state = MoveRegionStateData.newBuilder()</span> |
| <span class="source-line-no">102</span><span id="line-102"> // No need to serialize the RegionInfo. The super class has the region.</span> |
| <span class="source-line-no">103</span><span id="line-103"> .setSourceServer(ProtobufUtil.toServerName(plan.getSource()));</span> |
| <span class="source-line-no">104</span><span id="line-104"> if (plan.getDestination() != null) {</span> |
| <span class="source-line-no">105</span><span id="line-105"> state.setDestinationServer(ProtobufUtil.toServerName(plan.getDestination()));</span> |
| <span class="source-line-no">106</span><span id="line-106"> }</span> |
| <span class="source-line-no">107</span><span id="line-107"></span> |
| <span class="source-line-no">108</span><span id="line-108"> serializer.serialize(state.build());</span> |
| <span class="source-line-no">109</span><span id="line-109"> }</span> |
| <span class="source-line-no">110</span><span id="line-110"></span> |
| <span class="source-line-no">111</span><span id="line-111"> @Override</span> |
| <span class="source-line-no">112</span><span id="line-112"> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {</span> |
| <span class="source-line-no">113</span><span id="line-113"> super.deserializeStateData(serializer);</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> final MoveRegionStateData state = serializer.deserialize(MoveRegionStateData.class);</span> |
| <span class="source-line-no">116</span><span id="line-116"> final RegionInfo regionInfo = getRegion(); // Get it from super class deserialization.</span> |
| <span class="source-line-no">117</span><span id="line-117"> final ServerName sourceServer = ProtobufUtil.toServerName(state.getSourceServer());</span> |
| <span class="source-line-no">118</span><span id="line-118"> final ServerName destinationServer =</span> |
| <span class="source-line-no">119</span><span id="line-119"> state.hasDestinationServer() ? ProtobufUtil.toServerName(state.getDestinationServer()) : null;</span> |
| <span class="source-line-no">120</span><span id="line-120"> this.plan = new RegionPlan(regionInfo, sourceServer, destinationServer);</span> |
| <span class="source-line-no">121</span><span id="line-121"> }</span> |
| <span class="source-line-no">122</span><span id="line-122">}</span> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
