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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.exceptions;</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.net.ConnectException;</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.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">023</span><span id="line-23"></span> |
| <span class="source-line-no">024</span><span id="line-24">/**</span> |
| <span class="source-line-no">025</span><span id="line-25"> * Thrown when the client believes that we are trying to communicate to has been repeatedly</span> |
| <span class="source-line-no">026</span><span id="line-26"> * unresponsive for a while. On receiving such an exception. The ConnectionManager will skip all</span> |
| <span class="source-line-no">027</span><span id="line-27"> * retries and fast fail the operation.</span> |
| <span class="source-line-no">028</span><span id="line-28"> * @deprecated since 2.3.0, and will be removed in 4.0.0.</span> |
| <span class="source-line-no">029</span><span id="line-29"> */</span> |
| <span class="source-line-no">030</span><span id="line-30">@Deprecated</span> |
| <span class="source-line-no">031</span><span id="line-31">@InterfaceAudience.Public</span> |
| <span class="source-line-no">032</span><span id="line-32">public class PreemptiveFastFailException extends ConnectException {</span> |
| <span class="source-line-no">033</span><span id="line-33"> private static final long serialVersionUID = 7129103682617007177L;</span> |
| <span class="source-line-no">034</span><span id="line-34"> private long failureCount, timeOfFirstFailureMilliSec, timeOfLatestAttemptMilliSec;</span> |
| <span class="source-line-no">035</span><span id="line-35"></span> |
| <span class="source-line-no">036</span><span id="line-36"> // If set, we guarantee that no modifications went to server</span> |
| <span class="source-line-no">037</span><span id="line-37"> private boolean guaranteedClientSideOnly;</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"> * @param count num of consecutive failures</span> |
| <span class="source-line-no">041</span><span id="line-41"> * @param timeOfFirstFailureMilliSec when first failure happened</span> |
| <span class="source-line-no">042</span><span id="line-42"> * @param timeOfLatestAttemptMilliSec when last attempt happened</span> |
| <span class="source-line-no">043</span><span id="line-43"> * @param serverName server we failed to connect to</span> |
| <span class="source-line-no">044</span><span id="line-44"> */</span> |
| <span class="source-line-no">045</span><span id="line-45"> public PreemptiveFastFailException(long count, long timeOfFirstFailureMilliSec,</span> |
| <span class="source-line-no">046</span><span id="line-46"> long timeOfLatestAttemptMilliSec, ServerName serverName) {</span> |
| <span class="source-line-no">047</span><span id="line-47"> super("Exception happened " + count + " times. to" + serverName);</span> |
| <span class="source-line-no">048</span><span id="line-48"> this.failureCount = count;</span> |
| <span class="source-line-no">049</span><span id="line-49"> this.timeOfFirstFailureMilliSec = timeOfFirstFailureMilliSec;</span> |
| <span class="source-line-no">050</span><span id="line-50"> this.timeOfLatestAttemptMilliSec = timeOfLatestAttemptMilliSec;</span> |
| <span class="source-line-no">051</span><span id="line-51"> }</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"> * @param count num of consecutive failures</span> |
| <span class="source-line-no">055</span><span id="line-55"> * @param timeOfFirstFailureMilliSec when first failure happened</span> |
| <span class="source-line-no">056</span><span id="line-56"> * @param timeOfLatestAttemptMilliSec when last attempt happened</span> |
| <span class="source-line-no">057</span><span id="line-57"> * @param serverName server we failed to connect to</span> |
| <span class="source-line-no">058</span><span id="line-58"> * @param guaranteedClientSideOnly if true, guarantees that no mutations have been applied on</span> |
| <span class="source-line-no">059</span><span id="line-59"> * the server</span> |
| <span class="source-line-no">060</span><span id="line-60"> */</span> |
| <span class="source-line-no">061</span><span id="line-61"> public PreemptiveFastFailException(long count, long timeOfFirstFailureMilliSec,</span> |
| <span class="source-line-no">062</span><span id="line-62"> long timeOfLatestAttemptMilliSec, ServerName serverName, boolean guaranteedClientSideOnly) {</span> |
| <span class="source-line-no">063</span><span id="line-63"> super("Exception happened " + count + " times. to" + serverName);</span> |
| <span class="source-line-no">064</span><span id="line-64"> this.failureCount = count;</span> |
| <span class="source-line-no">065</span><span id="line-65"> this.timeOfFirstFailureMilliSec = timeOfFirstFailureMilliSec;</span> |
| <span class="source-line-no">066</span><span id="line-66"> this.timeOfLatestAttemptMilliSec = timeOfLatestAttemptMilliSec;</span> |
| <span class="source-line-no">067</span><span id="line-67"> this.guaranteedClientSideOnly = guaranteedClientSideOnly;</span> |
| <span class="source-line-no">068</span><span id="line-68"> }</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> /** Returns time of the fist failure */</span> |
| <span class="source-line-no">071</span><span id="line-71"> public long getFirstFailureAt() {</span> |
| <span class="source-line-no">072</span><span id="line-72"> return timeOfFirstFailureMilliSec;</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"> /** Returns time of the latest attempt */</span> |
| <span class="source-line-no">076</span><span id="line-76"> public long getLastAttemptAt() {</span> |
| <span class="source-line-no">077</span><span id="line-77"> return timeOfLatestAttemptMilliSec;</span> |
| <span class="source-line-no">078</span><span id="line-78"> }</span> |
| <span class="source-line-no">079</span><span id="line-79"></span> |
| <span class="source-line-no">080</span><span id="line-80"> /** Returns failure count */</span> |
| <span class="source-line-no">081</span><span id="line-81"> public long getFailureCount() {</span> |
| <span class="source-line-no">082</span><span id="line-82"> return failureCount;</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> /** Returns true if operation was attempted by server, false otherwise. */</span> |
| <span class="source-line-no">086</span><span id="line-86"> public boolean wasOperationAttemptedByServer() {</span> |
| <span class="source-line-no">087</span><span id="line-87"> return false;</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> /** Returns true if we know no mutation made it to the server, false otherwise. */</span> |
| <span class="source-line-no">091</span><span id="line-91"> public boolean isGuaranteedClientSideOnly() {</span> |
| <span class="source-line-no">092</span><span id="line-92"> return guaranteedClientSideOnly;</span> |
| <span class="source-line-no">093</span><span id="line-93"> }</span> |
| <span class="source-line-no">094</span><span id="line-94">}</span> |
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| </pre> |
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