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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.client;</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.util.ArrayList;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.util.Collections;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.List;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.commons.lang3.builder.ToStringBuilder;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.util.GsonUtil;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.yetus.audience.InterfaceStability;</span> |
| <span class="source-line-no">027</span><span id="line-27"></span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hbase.thirdparty.com.google.gson.Gson;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hbase.thirdparty.com.google.gson.JsonSerializer;</span> |
| <span class="source-line-no">030</span><span id="line-30"></span> |
| <span class="source-line-no">031</span><span id="line-31">/**</span> |
| <span class="source-line-no">032</span><span id="line-32"> * History of detail information that balancer movements was rejected</span> |
| <span class="source-line-no">033</span><span id="line-33"> */</span> |
| <span class="source-line-no">034</span><span id="line-34">@InterfaceAudience.Public</span> |
| <span class="source-line-no">035</span><span id="line-35">@InterfaceStability.Evolving</span> |
| <span class="source-line-no">036</span><span id="line-36">final public class BalancerRejection extends LogEntry {</span> |
| <span class="source-line-no">037</span><span id="line-37"> // The reason why balancer was rejected</span> |
| <span class="source-line-no">038</span><span id="line-38"> private final String reason;</span> |
| <span class="source-line-no">039</span><span id="line-39"> private final List<String> costFuncInfoList;</span> |
| <span class="source-line-no">040</span><span id="line-40"></span> |
| <span class="source-line-no">041</span><span id="line-41"> // used to convert object to pretty printed format</span> |
| <span class="source-line-no">042</span><span id="line-42"> // used by toJsonPrettyPrint()</span> |
| <span class="source-line-no">043</span><span id="line-43"> private static final Gson GSON = GsonUtil.createGson().setPrettyPrinting().disableHtmlEscaping()</span> |
| <span class="source-line-no">044</span><span id="line-44"> .registerTypeAdapter(BalancerRejection.class,</span> |
| <span class="source-line-no">045</span><span id="line-45"> (JsonSerializer<BalancerRejection>) (balancerRejection, type, jsonSerializationContext) -> {</span> |
| <span class="source-line-no">046</span><span id="line-46"> Gson gson = new Gson();</span> |
| <span class="source-line-no">047</span><span id="line-47"> return gson.toJsonTree(balancerRejection);</span> |
| <span class="source-line-no">048</span><span id="line-48"> })</span> |
| <span class="source-line-no">049</span><span id="line-49"> .create();</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> private BalancerRejection(String reason, List<String> costFuncInfoList) {</span> |
| <span class="source-line-no">052</span><span id="line-52"> this.reason = reason;</span> |
| <span class="source-line-no">053</span><span id="line-53"> if (costFuncInfoList == null) {</span> |
| <span class="source-line-no">054</span><span id="line-54"> this.costFuncInfoList = Collections.emptyList();</span> |
| <span class="source-line-no">055</span><span id="line-55"> } else {</span> |
| <span class="source-line-no">056</span><span id="line-56"> this.costFuncInfoList = costFuncInfoList;</span> |
| <span class="source-line-no">057</span><span id="line-57"> }</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"> public String getReason() {</span> |
| <span class="source-line-no">061</span><span id="line-61"> return reason;</span> |
| <span class="source-line-no">062</span><span id="line-62"> }</span> |
| <span class="source-line-no">063</span><span id="line-63"></span> |
| <span class="source-line-no">064</span><span id="line-64"> public List<String> getCostFuncInfoList() {</span> |
| <span class="source-line-no">065</span><span id="line-65"> return costFuncInfoList;</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"></span> |
| <span class="source-line-no">068</span><span id="line-68"> @Override</span> |
| <span class="source-line-no">069</span><span id="line-69"> public String toString() {</span> |
| <span class="source-line-no">070</span><span id="line-70"> return new ToStringBuilder(this).append("reason", reason)</span> |
| <span class="source-line-no">071</span><span id="line-71"> .append("costFuncInfoList", costFuncInfoList.toString()).toString();</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"> @Override</span> |
| <span class="source-line-no">075</span><span id="line-75"> public String toJsonPrettyPrint() {</span> |
| <span class="source-line-no">076</span><span id="line-76"> return GSON.toJson(this);</span> |
| <span class="source-line-no">077</span><span id="line-77"> }</span> |
| <span class="source-line-no">078</span><span id="line-78"></span> |
| <span class="source-line-no">079</span><span id="line-79"> public static class Builder {</span> |
| <span class="source-line-no">080</span><span id="line-80"> private String reason;</span> |
| <span class="source-line-no">081</span><span id="line-81"> private List<String> costFuncInfoList;</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> public Builder setReason(String reason) {</span> |
| <span class="source-line-no">084</span><span id="line-84"> this.reason = reason;</span> |
| <span class="source-line-no">085</span><span id="line-85"> return this;</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"> public void addCostFuncInfo(String funcName, double cost, float multiplier) {</span> |
| <span class="source-line-no">089</span><span id="line-89"> if (costFuncInfoList == null) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> costFuncInfoList = new ArrayList<>();</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"> costFuncInfoList.add(new StringBuilder().append(funcName).append(" cost:").append(cost)</span> |
| <span class="source-line-no">093</span><span id="line-93"> .append(" multiplier:").append(multiplier).toString());</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96"> public Builder setCostFuncInfoList(List<String> costFuncInfoList) {</span> |
| <span class="source-line-no">097</span><span id="line-97"> this.costFuncInfoList = costFuncInfoList;</span> |
| <span class="source-line-no">098</span><span id="line-98"> return this;</span> |
| <span class="source-line-no">099</span><span id="line-99"> }</span> |
| <span class="source-line-no">100</span><span id="line-100"></span> |
| <span class="source-line-no">101</span><span id="line-101"> public BalancerRejection build() {</span> |
| <span class="source-line-no">102</span><span id="line-102"> return new BalancerRejection(reason, costFuncInfoList);</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">}</span> |
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| </pre> |
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