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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;</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"> * Interface to support the aborting of a given server or client.</span> |
| <span class="source-line-no">024</span><span id="line-24"> * <p></span> |
| <span class="source-line-no">025</span><span id="line-25"> * This is used primarily for ZooKeeper usage when we could get an unexpected and fatal exception,</span> |
| <span class="source-line-no">026</span><span id="line-26"> * requiring an abort.</span> |
| <span class="source-line-no">027</span><span id="line-27"> * <p></span> |
| <span class="source-line-no">028</span><span id="line-28"> * Implemented by the Master, RegionServer, and TableServers (client).</span> |
| <span class="source-line-no">029</span><span id="line-29"> */</span> |
| <span class="source-line-no">030</span><span id="line-30">@InterfaceAudience.Private</span> |
| <span class="source-line-no">031</span><span id="line-31">public interface Abortable {</span> |
| <span class="source-line-no">032</span><span id="line-32"> /**</span> |
| <span class="source-line-no">033</span><span id="line-33"> * Abort the server or client.</span> |
| <span class="source-line-no">034</span><span id="line-34"> * @param why Why we're aborting.</span> |
| <span class="source-line-no">035</span><span id="line-35"> * @param e Throwable that caused abort. Can be null.</span> |
| <span class="source-line-no">036</span><span id="line-36"> */</span> |
| <span class="source-line-no">037</span><span id="line-37"> void abort(String why, Throwable e);</span> |
| <span class="source-line-no">038</span><span id="line-38"></span> |
| <span class="source-line-no">039</span><span id="line-39"> /**</span> |
| <span class="source-line-no">040</span><span id="line-40"> * It just calls another abort method and the Throwable parameter is null.</span> |
| <span class="source-line-no">041</span><span id="line-41"> * @param why Why we're aborting.</span> |
| <span class="source-line-no">042</span><span id="line-42"> * @see Abortable#abort(String, Throwable)</span> |
| <span class="source-line-no">043</span><span id="line-43"> */</span> |
| <span class="source-line-no">044</span><span id="line-44"> default void abort(String why) {</span> |
| <span class="source-line-no">045</span><span id="line-45"> abort(why, null);</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"> /**</span> |
| <span class="source-line-no">049</span><span id="line-49"> * Check if the server or client was aborted.</span> |
| <span class="source-line-no">050</span><span id="line-50"> * @return true if the server or client was aborted, false otherwise</span> |
| <span class="source-line-no">051</span><span id="line-51"> */</span> |
| <span class="source-line-no">052</span><span id="line-52"> boolean isAborted();</span> |
| <span class="source-line-no">053</span><span id="line-53">}</span> |
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