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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.namequeues;</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 org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">021</span><span id="line-21"></span> |
| <span class="source-line-no">022</span><span id="line-22">/**</span> |
| <span class="source-line-no">023</span><span id="line-23"> * Base payload to be prepared by client to send various namedQueue events for in-memory ring buffer</span> |
| <span class="source-line-no">024</span><span id="line-24"> * storage in either HMaster or RegionServer. e.g slowLog responses</span> |
| <span class="source-line-no">025</span><span id="line-25"> */</span> |
| <span class="source-line-no">026</span><span id="line-26">@InterfaceAudience.Private</span> |
| <span class="source-line-no">027</span><span id="line-27">public class NamedQueuePayload {</span> |
| <span class="source-line-no">028</span><span id="line-28"></span> |
| <span class="source-line-no">029</span><span id="line-29"> public enum NamedQueueEvent {</span> |
| <span class="source-line-no">030</span><span id="line-30"> SLOW_LOG(0),</span> |
| <span class="source-line-no">031</span><span id="line-31"> BALANCE_DECISION(1),</span> |
| <span class="source-line-no">032</span><span id="line-32"> BALANCE_REJECTION(2),</span> |
| <span class="source-line-no">033</span><span id="line-33"> WAL_EVENT_TRACKER(3);</span> |
| <span class="source-line-no">034</span><span id="line-34"></span> |
| <span class="source-line-no">035</span><span id="line-35"> private final int value;</span> |
| <span class="source-line-no">036</span><span id="line-36"></span> |
| <span class="source-line-no">037</span><span id="line-37"> NamedQueueEvent(int i) {</span> |
| <span class="source-line-no">038</span><span id="line-38"> this.value = i;</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"> public static NamedQueueEvent getEventByOrdinal(int value) {</span> |
| <span class="source-line-no">042</span><span id="line-42"> switch (value) {</span> |
| <span class="source-line-no">043</span><span id="line-43"> case 0: {</span> |
| <span class="source-line-no">044</span><span id="line-44"> return SLOW_LOG;</span> |
| <span class="source-line-no">045</span><span id="line-45"> }</span> |
| <span class="source-line-no">046</span><span id="line-46"> case 1: {</span> |
| <span class="source-line-no">047</span><span id="line-47"> return BALANCE_DECISION;</span> |
| <span class="source-line-no">048</span><span id="line-48"> }</span> |
| <span class="source-line-no">049</span><span id="line-49"> case 2: {</span> |
| <span class="source-line-no">050</span><span id="line-50"> return BALANCE_REJECTION;</span> |
| <span class="source-line-no">051</span><span id="line-51"> }</span> |
| <span class="source-line-no">052</span><span id="line-52"> case 3: {</span> |
| <span class="source-line-no">053</span><span id="line-53"> return WAL_EVENT_TRACKER;</span> |
| <span class="source-line-no">054</span><span id="line-54"> }</span> |
| <span class="source-line-no">055</span><span id="line-55"> default: {</span> |
| <span class="source-line-no">056</span><span id="line-56"> throw new IllegalArgumentException(</span> |
| <span class="source-line-no">057</span><span id="line-57"> "NamedQueue event with ordinal " + value + " not defined");</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"> }</span> |
| <span class="source-line-no">061</span><span id="line-61"></span> |
| <span class="source-line-no">062</span><span id="line-62"> public int getValue() {</span> |
| <span class="source-line-no">063</span><span id="line-63"> return value;</span> |
| <span class="source-line-no">064</span><span id="line-64"> }</span> |
| <span class="source-line-no">065</span><span id="line-65"> }</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private final NamedQueueEvent namedQueueEvent;</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> public NamedQueuePayload(int eventOrdinal) {</span> |
| <span class="source-line-no">070</span><span id="line-70"> this.namedQueueEvent = NamedQueueEvent.getEventByOrdinal(eventOrdinal);</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"> public NamedQueueEvent getNamedQueueEvent() {</span> |
| <span class="source-line-no">074</span><span id="line-74"> return namedQueueEvent;</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">}</span> |
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