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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/11/03 14:53:45 UTC
[29/39] hbase-site git commit: Published site at
62fe3659349800b0fcbfcafd140ae6a3f57c5804.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/CompletedProcedureCleaner.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.procedure2;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.io.UncheckedIOException;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.util.Iterator;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.util.Map;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.procedure2.store.ProcedureStore;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.util.IdLock;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.slf4j.Logger;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.slf4j.LoggerFactory;<a name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span>/**<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * Internal cleaner that removes the completed procedure results after a TTL.<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * <p/><a name="line.35"></a>
+<span class="sourceLineNo">036</span> * NOTE: This is a special case handled in timeoutLoop().<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * <p/><a name="line.37"></a>
+<span class="sourceLineNo">038</span> * Since the client code looks more or less like:<a name="line.38"></a>
+<span class="sourceLineNo">039</span> *<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * <pre><a name="line.40"></a>
+<span class="sourceLineNo">041</span> * procId = master.doOperation()<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * while (master.getProcResult(procId) == ProcInProgress);<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * </pre><a name="line.43"></a>
+<span class="sourceLineNo">044</span> *<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * The master should not throw away the proc result as soon as the procedure is done but should wait<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * a result request from the client (see executor.removeResult(procId)) The client will call<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * something like master.isProcDone() or master.getProcResult() which will return the result/state<a name="line.47"></a>
+<span class="sourceLineNo">048</span> * to the client, and it will mark the completed proc as ready to delete. note that the client may<a name="line.48"></a>
+<span class="sourceLineNo">049</span> * not receive the response from the master (e.g. master failover) so, if we delay a bit the real<a name="line.49"></a>
+<span class="sourceLineNo">050</span> * deletion of the proc result the client will be able to get the result the next try.<a name="line.50"></a>
+<span class="sourceLineNo">051</span> */<a name="line.51"></a>
+<span class="sourceLineNo">052</span>@InterfaceAudience.Private<a name="line.52"></a>
+<span class="sourceLineNo">053</span>class CompletedProcedureCleaner<TEnvironment> extends ProcedureInMemoryChore<TEnvironment> {<a name="line.53"></a>
+<span class="sourceLineNo">054</span> private static final Logger LOG = LoggerFactory.getLogger(CompletedProcedureCleaner.class);<a name="line.54"></a>
+<span class="sourceLineNo">055</span><a name="line.55"></a>
+<span class="sourceLineNo">056</span> static final String CLEANER_INTERVAL_CONF_KEY = "hbase.procedure.cleaner.interval";<a name="line.56"></a>
+<span class="sourceLineNo">057</span> private static final int DEFAULT_CLEANER_INTERVAL = 30 * 1000; // 30sec<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span> private static final String BATCH_SIZE_CONF_KEY = "hbase.procedure.cleaner.evict.batch.size";<a name="line.59"></a>
+<span class="sourceLineNo">060</span> private static final int DEFAULT_BATCH_SIZE = 32;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span> private final Map<Long, CompletedProcedureRetainer<TEnvironment>> completed;<a name="line.62"></a>
+<span class="sourceLineNo">063</span> private final Map<NonceKey, Long> nonceKeysToProcIdsMap;<a name="line.63"></a>
+<span class="sourceLineNo">064</span> private final ProcedureStore store;<a name="line.64"></a>
+<span class="sourceLineNo">065</span> private final IdLock procExecutionLock;<a name="line.65"></a>
+<span class="sourceLineNo">066</span> private Configuration conf;<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span> public CompletedProcedureCleaner(Configuration conf, ProcedureStore store,<a name="line.68"></a>
+<span class="sourceLineNo">069</span> IdLock procExecutionLock, Map<Long, CompletedProcedureRetainer<TEnvironment>> completedMap,<a name="line.69"></a>
+<span class="sourceLineNo">070</span> Map<NonceKey, Long> nonceKeysToProcIdsMap) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span> // set the timeout interval that triggers the periodic-procedure<a name="line.71"></a>
+<span class="sourceLineNo">072</span> super(conf.getInt(CLEANER_INTERVAL_CONF_KEY, DEFAULT_CLEANER_INTERVAL));<a name="line.72"></a>
+<span class="sourceLineNo">073</span> this.completed = completedMap;<a name="line.73"></a>
+<span class="sourceLineNo">074</span> this.nonceKeysToProcIdsMap = nonceKeysToProcIdsMap;<a name="line.74"></a>
+<span class="sourceLineNo">075</span> this.store = store;<a name="line.75"></a>
+<span class="sourceLineNo">076</span> this.procExecutionLock = procExecutionLock;<a name="line.76"></a>
+<span class="sourceLineNo">077</span> this.conf = conf;<a name="line.77"></a>
+<span class="sourceLineNo">078</span> }<a name="line.78"></a>
+<span class="sourceLineNo">079</span><a name="line.79"></a>
+<span class="sourceLineNo">080</span> @Override<a name="line.80"></a>
+<span class="sourceLineNo">081</span> protected void periodicExecute(final TEnvironment env) {<a name="line.81"></a>
+<span class="sourceLineNo">082</span> if (completed.isEmpty()) {<a name="line.82"></a>
+<span class="sourceLineNo">083</span> if (LOG.isTraceEnabled()) {<a name="line.83"></a>
+<span class="sourceLineNo">084</span> LOG.trace("No completed procedures to cleanup.");<a name="line.84"></a>
+<span class="sourceLineNo">085</span> }<a name="line.85"></a>
+<span class="sourceLineNo">086</span> return;<a name="line.86"></a>
+<span class="sourceLineNo">087</span> }<a name="line.87"></a>
+<span class="sourceLineNo">088</span><a name="line.88"></a>
+<span class="sourceLineNo">089</span> final long evictTtl =<a name="line.89"></a>
+<span class="sourceLineNo">090</span> conf.getInt(ProcedureExecutor.EVICT_TTL_CONF_KEY, ProcedureExecutor.DEFAULT_EVICT_TTL);<a name="line.90"></a>
+<span class="sourceLineNo">091</span> final long evictAckTtl = conf.getInt(ProcedureExecutor.EVICT_ACKED_TTL_CONF_KEY,<a name="line.91"></a>
+<span class="sourceLineNo">092</span> ProcedureExecutor.DEFAULT_ACKED_EVICT_TTL);<a name="line.92"></a>
+<span class="sourceLineNo">093</span> final int batchSize = conf.getInt(BATCH_SIZE_CONF_KEY, DEFAULT_BATCH_SIZE);<a name="line.93"></a>
+<span class="sourceLineNo">094</span><a name="line.94"></a>
+<span class="sourceLineNo">095</span> final long[] batchIds = new long[batchSize];<a name="line.95"></a>
+<span class="sourceLineNo">096</span> int batchCount = 0;<a name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span> final long now = EnvironmentEdgeManager.currentTime();<a name="line.98"></a>
+<span class="sourceLineNo">099</span> final Iterator<Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>>> it =<a name="line.99"></a>
+<span class="sourceLineNo">100</span> completed.entrySet().iterator();<a name="line.100"></a>
+<span class="sourceLineNo">101</span> while (it.hasNext() && store.isRunning()) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> final Map.Entry<Long, CompletedProcedureRetainer<TEnvironment>> entry = it.next();<a name="line.102"></a>
+<span class="sourceLineNo">103</span> final CompletedProcedureRetainer<TEnvironment> retainer = entry.getValue();<a name="line.103"></a>
+<span class="sourceLineNo">104</span> final Procedure<?> proc = retainer.getProcedure();<a name="line.104"></a>
+<span class="sourceLineNo">105</span> IdLock.Entry lockEntry;<a name="line.105"></a>
+<span class="sourceLineNo">106</span> try {<a name="line.106"></a>
+<span class="sourceLineNo">107</span> lockEntry = procExecutionLock.getLockEntry(proc.getProcId());<a name="line.107"></a>
+<span class="sourceLineNo">108</span> } catch (IOException e) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> // can only happen if interrupted, so not a big deal to propagate it<a name="line.109"></a>
+<span class="sourceLineNo">110</span> throw new UncheckedIOException(e);<a name="line.110"></a>
+<span class="sourceLineNo">111</span> }<a name="line.111"></a>
+<span class="sourceLineNo">112</span> try {<a name="line.112"></a>
+<span class="sourceLineNo">113</span> // TODO: Select TTL based on Procedure type<a name="line.113"></a>
+<span class="sourceLineNo">114</span> if (retainer.isExpired(now, evictTtl, evictAckTtl)) {<a name="line.114"></a>
+<span class="sourceLineNo">115</span> // Failed procedures aren't persisted in WAL.<a name="line.115"></a>
+<span class="sourceLineNo">116</span> if (!(proc instanceof FailedProcedure)) {<a name="line.116"></a>
+<span class="sourceLineNo">117</span> batchIds[batchCount++] = entry.getKey();<a name="line.117"></a>
+<span class="sourceLineNo">118</span> if (batchCount == batchIds.length) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span> store.delete(batchIds, 0, batchCount);<a name="line.119"></a>
+<span class="sourceLineNo">120</span> batchCount = 0;<a name="line.120"></a>
+<span class="sourceLineNo">121</span> }<a name="line.121"></a>
+<span class="sourceLineNo">122</span> }<a name="line.122"></a>
+<span class="sourceLineNo">123</span> final NonceKey nonceKey = proc.getNonceKey();<a name="line.123"></a>
+<span class="sourceLineNo">124</span> if (nonceKey != null) {<a name="line.124"></a>
+<span class="sourceLineNo">125</span> nonceKeysToProcIdsMap.remove(nonceKey);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> }<a name="line.126"></a>
+<span class="sourceLineNo">127</span> it.remove();<a name="line.127"></a>
+<span class="sourceLineNo">128</span> LOG.trace("Evict completed {}", proc);<a name="line.128"></a>
+<span class="sourceLineNo">129</span> }<a name="line.129"></a>
+<span class="sourceLineNo">130</span> } finally {<a name="line.130"></a>
+<span class="sourceLineNo">131</span> procExecutionLock.releaseLockEntry(lockEntry);<a name="line.131"></a>
+<span class="sourceLineNo">132</span> }<a name="line.132"></a>
+<span class="sourceLineNo">133</span> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span> if (batchCount > 0) {<a name="line.134"></a>
+<span class="sourceLineNo">135</span> store.delete(batchIds, 0, batchCount);<a name="line.135"></a>
+<span class="sourceLineNo">136</span> }<a name="line.136"></a>
+<span class="sourceLineNo">137</span> }<a name="line.137"></a>
+<span class="sourceLineNo">138</span>}<a name="line.138"></a>
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+</pre>
+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/CompletedProcedureRetainer.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.procedure2;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.20"></a>
+<span class="sourceLineNo">021</span><a name="line.21"></a>
+<span class="sourceLineNo">022</span>/**<a name="line.22"></a>
+<span class="sourceLineNo">023</span> * Hold the reference to a completed root procedure. Will be cleaned up after expired.<a name="line.23"></a>
+<span class="sourceLineNo">024</span> */<a name="line.24"></a>
+<span class="sourceLineNo">025</span>@InterfaceAudience.Private<a name="line.25"></a>
+<span class="sourceLineNo">026</span>class CompletedProcedureRetainer<TEnvironment> {<a name="line.26"></a>
+<span class="sourceLineNo">027</span> private final Procedure<TEnvironment> procedure;<a name="line.27"></a>
+<span class="sourceLineNo">028</span> private long clientAckTime;<a name="line.28"></a>
+<span class="sourceLineNo">029</span><a name="line.29"></a>
+<span class="sourceLineNo">030</span> public CompletedProcedureRetainer(Procedure<TEnvironment> procedure) {<a name="line.30"></a>
+<span class="sourceLineNo">031</span> this.procedure = procedure;<a name="line.31"></a>
+<span class="sourceLineNo">032</span> clientAckTime = -1;<a name="line.32"></a>
+<span class="sourceLineNo">033</span> }<a name="line.33"></a>
+<span class="sourceLineNo">034</span><a name="line.34"></a>
+<span class="sourceLineNo">035</span> public Procedure<TEnvironment> getProcedure() {<a name="line.35"></a>
+<span class="sourceLineNo">036</span> return procedure;<a name="line.36"></a>
+<span class="sourceLineNo">037</span> }<a name="line.37"></a>
+<span class="sourceLineNo">038</span><a name="line.38"></a>
+<span class="sourceLineNo">039</span> public boolean hasClientAckTime() {<a name="line.39"></a>
+<span class="sourceLineNo">040</span> return clientAckTime != -1;<a name="line.40"></a>
+<span class="sourceLineNo">041</span> }<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span> public long getClientAckTime() {<a name="line.43"></a>
+<span class="sourceLineNo">044</span> return clientAckTime;<a name="line.44"></a>
+<span class="sourceLineNo">045</span> }<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span> public void setClientAckTime(long clientAckTime) {<a name="line.47"></a>
+<span class="sourceLineNo">048</span> this.clientAckTime = clientAckTime;<a name="line.48"></a>
+<span class="sourceLineNo">049</span> }<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span> public boolean isExpired(long now, long evictTtl, long evictAckTtl) {<a name="line.51"></a>
+<span class="sourceLineNo">052</span> return (hasClientAckTime() && (now - getClientAckTime()) >= evictAckTtl) ||<a name="line.52"></a>
+<span class="sourceLineNo">053</span> (now - procedure.getLastUpdate()) >= evictTtl;<a name="line.53"></a>
+<span class="sourceLineNo">054</span> }<a name="line.54"></a>
+<span class="sourceLineNo">055</span>}<a name="line.55"></a>
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+</pre>
+</div>
+</body>
+</html>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/1f43e8de/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.procedure2;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.Objects;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.security.User;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.util.NonceKey;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ProcedureProtos.ProcedureState;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>@InterfaceAudience.Private<a name="line.29"></a>
+<span class="sourceLineNo">030</span>class FailedProcedure<TEnvironment> extends Procedure<TEnvironment> {<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span> private String procName;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span> public FailedProcedure() {<a name="line.34"></a>
+<span class="sourceLineNo">035</span> }<a name="line.35"></a>
+<span class="sourceLineNo">036</span><a name="line.36"></a>
+<span class="sourceLineNo">037</span> public FailedProcedure(long procId, String procName, User owner, NonceKey nonceKey,<a name="line.37"></a>
+<span class="sourceLineNo">038</span> IOException exception) {<a name="line.38"></a>
+<span class="sourceLineNo">039</span> this.procName = procName;<a name="line.39"></a>
+<span class="sourceLineNo">040</span> setProcId(procId);<a name="line.40"></a>
+<span class="sourceLineNo">041</span> setState(ProcedureState.ROLLEDBACK);<a name="line.41"></a>
+<span class="sourceLineNo">042</span> setOwner(owner);<a name="line.42"></a>
+<span class="sourceLineNo">043</span> setNonceKey(nonceKey);<a name="line.43"></a>
+<span class="sourceLineNo">044</span> long currentTime = EnvironmentEdgeManager.currentTime();<a name="line.44"></a>
+<span class="sourceLineNo">045</span> setSubmittedTime(currentTime);<a name="line.45"></a>
+<span class="sourceLineNo">046</span> setLastUpdate(currentTime);<a name="line.46"></a>
+<span class="sourceLineNo">047</span> setFailure(Objects.toString(exception.getMessage(), ""), exception);<a name="line.47"></a>
+<span class="sourceLineNo">048</span> }<a name="line.48"></a>
+<span class="sourceLineNo">049</span><a name="line.49"></a>
+<span class="sourceLineNo">050</span> @Override<a name="line.50"></a>
+<span class="sourceLineNo">051</span> public String getProcName() {<a name="line.51"></a>
+<span class="sourceLineNo">052</span> return procName;<a name="line.52"></a>
+<span class="sourceLineNo">053</span> }<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span> @Override<a name="line.55"></a>
+<span class="sourceLineNo">056</span> protected Procedure<TEnvironment>[] execute(TEnvironment env)<a name="line.56"></a>
+<span class="sourceLineNo">057</span> throws ProcedureYieldException, ProcedureSuspendedException, InterruptedException {<a name="line.57"></a>
+<span class="sourceLineNo">058</span> throw new UnsupportedOperationException();<a name="line.58"></a>
+<span class="sourceLineNo">059</span> }<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span> @Override<a name="line.61"></a>
+<span class="sourceLineNo">062</span> protected void rollback(TEnvironment env) throws IOException, InterruptedException {<a name="line.62"></a>
+<span class="sourceLineNo">063</span> throw new UnsupportedOperationException();<a name="line.63"></a>
+<span class="sourceLineNo">064</span> }<a name="line.64"></a>
+<span class="sourceLineNo">065</span><a name="line.65"></a>
+<span class="sourceLineNo">066</span> @Override<a name="line.66"></a>
+<span class="sourceLineNo">067</span> protected boolean abort(TEnvironment env) {<a name="line.67"></a>
+<span class="sourceLineNo">068</span> throw new UnsupportedOperationException();<a name="line.68"></a>
+<span class="sourceLineNo">069</span> }<a name="line.69"></a>
+<span class="sourceLineNo">070</span><a name="line.70"></a>
+<span class="sourceLineNo">071</span> @Override<a name="line.71"></a>
+<span class="sourceLineNo">072</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.72"></a>
+<span class="sourceLineNo">073</span> }<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span> @Override<a name="line.75"></a>
+<span class="sourceLineNo">076</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.76"></a>
+<span class="sourceLineNo">077</span> }<a name="line.77"></a>
+<span class="sourceLineNo">078</span>}<a name="line.78"></a>
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+</div>
+</body>
+</html>