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annotate src/org/eclipse/jetty/util/thread/QueuedThreadPool.java @ 863:88d3c8ff242a

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remove SizedThreadPool
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 02 Oct 2016 05:22:55 -0600
parents 8e9db0bbf4f9
children
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19
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20 package org.eclipse.jetty.util.thread;
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21
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22 import java.io.IOException;
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23 import java.util.ArrayList;
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24 import java.util.Arrays;
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25 import java.util.List;
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26 import java.util.concurrent.ArrayBlockingQueue;
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27 import java.util.concurrent.BlockingQueue;
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28 import java.util.concurrent.ConcurrentLinkedQueue;
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29 import java.util.concurrent.Executor;
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30 import java.util.concurrent.RejectedExecutionException;
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31 import java.util.concurrent.TimeUnit;
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32 import java.util.concurrent.atomic.AtomicInteger;
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33 import java.util.concurrent.atomic.AtomicLong;
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34
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35 import org.eclipse.jetty.util.BlockingArrayQueue;
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36 import org.eclipse.jetty.util.component.AbstractLifeCycle;
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37 import org.eclipse.jetty.util.component.AggregateLifeCycle;
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38 import org.eclipse.jetty.util.component.Dumpable;
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39 import org.eclipse.jetty.util.component.LifeCycle;
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40 import org.slf4j.Logger;
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41 import org.slf4j.LoggerFactory;
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42
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43 public class QueuedThreadPool extends AbstractLifeCycle implements ThreadPool, Executor, Dumpable
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44 {
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45 private static final Logger LOG = LoggerFactory.getLogger(QueuedThreadPool.class);
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46
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47 private final AtomicInteger _threadsStarted = new AtomicInteger();
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48 private final AtomicInteger _threadsIdle = new AtomicInteger();
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49 private final AtomicLong _lastShrink = new AtomicLong();
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50 private final ConcurrentLinkedQueue<Thread> _threads=new ConcurrentLinkedQueue<Thread>();
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51 private final Object _joinLock = new Object();
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52 private BlockingQueue<Runnable> _jobs;
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53 private String _name;
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54 private int _maxIdleTimeMs=60000;
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55 private int _maxThreads=254;
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56 private int _minThreads=8;
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57 private int _maxQueued=-1;
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58 private int _priority=Thread.NORM_PRIORITY;
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59 private boolean _daemon=false;
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60 private int _maxStopTime=100;
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61 private boolean _detailedDump=false;
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62
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63 /* ------------------------------------------------------------------- */
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64 /** Construct
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65 */
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66 public QueuedThreadPool()
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67 {
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68 _name="qtp"+super.hashCode();
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69 }
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70
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71 /* ------------------------------------------------------------------- */
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72 /** Construct
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73 */
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74 public QueuedThreadPool(int maxThreads)
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75 {
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76 this();
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77 setMaxThreads(maxThreads);
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78 }
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79
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80 /* ------------------------------------------------------------------- */
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81 /** Construct
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82 */
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83 public QueuedThreadPool(BlockingQueue<Runnable> jobQ)
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84 {
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85 this();
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86 _jobs=jobQ;
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87 _jobs.clear();
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88 }
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89
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90
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91 /* ------------------------------------------------------------ */
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92 @Override
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93 protected void doStart() throws Exception
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94 {
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95 super.doStart();
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96 _threadsStarted.set(0);
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97
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98 if (_jobs==null)
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99 {
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100 _jobs=_maxQueued>0 ?new ArrayBlockingQueue<Runnable>(_maxQueued)
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101 :new BlockingArrayQueue<Runnable>(_minThreads,_minThreads);
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102 }
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103
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104 int threads=_threadsStarted.get();
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105 while (isRunning() && threads<_minThreads)
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106 {
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107 startThread(threads);
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108 threads=_threadsStarted.get();
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109 }
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110 }
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111
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112 /* ------------------------------------------------------------ */
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113 @Override
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114 protected void doStop() throws Exception
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115 {
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116 super.doStop();
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117 long start=System.currentTimeMillis();
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118
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119 // let jobs complete naturally for a while
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120 while (_threadsStarted.get()>0 && (System.currentTimeMillis()-start) < (_maxStopTime/2))
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121 Thread.sleep(1);
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122
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123 // kill queued jobs and flush out idle jobs
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124 _jobs.clear();
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125 Runnable noop = new Runnable(){public void run(){}};
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126 for (int i=_threadsIdle.get();i-->0;)
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127 _jobs.offer(noop);
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128 Thread.yield();
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129
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130 // interrupt remaining threads
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131 if (_threadsStarted.get()>0)
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132 for (Thread thread : _threads)
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133 thread.interrupt();
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134
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135 // wait for remaining threads to die
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136 while (_threadsStarted.get()>0 && (System.currentTimeMillis()-start) < _maxStopTime)
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137 {
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138 Thread.sleep(1);
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139 }
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140 Thread.yield();
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141 int size=_threads.size();
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142 if (size>0)
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143 {
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144 LOG.warn(size+" threads could not be stopped");
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145
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146 if (size==1 || LOG.isDebugEnabled())
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147 {
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148 for (Thread unstopped : _threads)
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149 {
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150 LOG.info("Couldn't stop "+unstopped);
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151 for (StackTraceElement element : unstopped.getStackTrace())
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152 {
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153 LOG.info(" at "+element);
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154 }
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155 }
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156 }
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157 }
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158
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159 synchronized (_joinLock)
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160 {
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161 _joinLock.notifyAll();
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162 }
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163 }
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164
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165 /* ------------------------------------------------------------ */
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166 /**
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167 * Delegated to the named or anonymous Pool.
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168 */
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169 public void setDaemon(boolean daemon)
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170 {
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171 _daemon=daemon;
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172 }
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173
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174 /* ------------------------------------------------------------ */
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175 /** Set the maximum thread idle time.
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176 * Threads that are idle for longer than this period may be
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177 * stopped.
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178 * Delegated to the named or anonymous Pool.
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179 * @see #getMaxIdleTimeMs
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180 * @param maxIdleTimeMs Max idle time in ms.
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181 */
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182 public void setMaxIdleTimeMs(int maxIdleTimeMs)
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183 {
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184 _maxIdleTimeMs=maxIdleTimeMs;
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185 }
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186
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187 /* ------------------------------------------------------------ */
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188 /**
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189 * @param stopTimeMs maximum total time that stop() will wait for threads to die.
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190 */
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191 public void setMaxStopTimeMs(int stopTimeMs)
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192 {
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193 _maxStopTime = stopTimeMs;
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194 }
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195
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196 /* ------------------------------------------------------------ */
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197 /** Set the maximum number of threads.
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198 * Delegated to the named or anonymous Pool.
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199 * @see #getMaxThreads
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200 * @param maxThreads maximum number of threads.
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201 */
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202 public void setMaxThreads(int maxThreads)
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203 {
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204 _maxThreads=maxThreads;
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205 if (_minThreads>_maxThreads)
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206 _minThreads=_maxThreads;
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207 }
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208
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209 /* ------------------------------------------------------------ */
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210 /** Set the minimum number of threads.
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211 * Delegated to the named or anonymous Pool.
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212 * @see #getMinThreads
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213 * @param minThreads minimum number of threads
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214 */
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215 public void setMinThreads(int minThreads)
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216 {
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217 _minThreads=minThreads;
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218
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219 if (_minThreads>_maxThreads)
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220 _maxThreads=_minThreads;
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221
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222 int threads=_threadsStarted.get();
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223 while (isStarted() && threads<_minThreads)
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224 {
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225 startThread(threads);
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226 threads=_threadsStarted.get();
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227 }
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228 }
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229
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230 /* ------------------------------------------------------------ */
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231 /**
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232 * @param name Name of the BoundedThreadPool to use when naming Threads.
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233 */
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234 public void setName(String name)
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235 {
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236 if (isRunning())
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237 throw new IllegalStateException("started");
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238 _name= name;
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239 }
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240
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241 /* ------------------------------------------------------------ */
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242 /** Set the priority of the pool threads.
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243 * @param priority the new thread priority.
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244 */
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245 public void setThreadsPriority(int priority)
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246 {
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247 _priority=priority;
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248 }
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249
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250 /* ------------------------------------------------------------ */
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251 /**
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252 * @return maximum queue size
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253 */
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254 public int getMaxQueued()
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255 {
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256 return _maxQueued;
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257 }
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258
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259 /* ------------------------------------------------------------ */
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260 /**
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261 * @param max job queue size
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262 */
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263 public void setMaxQueued(int max)
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264 {
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265 if (isRunning())
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266 throw new IllegalStateException("started");
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267 _maxQueued=max;
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268 }
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269
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270 /* ------------------------------------------------------------ */
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271 /** Get the maximum thread idle time.
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272 * Delegated to the named or anonymous Pool.
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273 * @see #setMaxIdleTimeMs
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274 * @return Max idle time in ms.
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275 */
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276 public int getMaxIdleTimeMs()
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277 {
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278 return _maxIdleTimeMs;
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279 }
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280
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281 /* ------------------------------------------------------------ */
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282 /**
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283 * @return maximum total time that stop() will wait for threads to die.
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284 */
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285 public int getMaxStopTimeMs()
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286 {
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287 return _maxStopTime;
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288 }
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289
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290 /* ------------------------------------------------------------ */
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291 /** Set the maximum number of threads.
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292 * Delegated to the named or anonymous Pool.
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293 * @see #setMaxThreads
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294 * @return maximum number of threads.
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295 */
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296 public int getMaxThreads()
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297 {
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298 return _maxThreads;
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299 }
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300
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301 /* ------------------------------------------------------------ */
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302 /** Get the minimum number of threads.
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303 * Delegated to the named or anonymous Pool.
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304 * @see #setMinThreads
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305 * @return minimum number of threads.
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306 */
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307 public int getMinThreads()
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308 {
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309 return _minThreads;
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310 }
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311
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312 /* ------------------------------------------------------------ */
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313 /**
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314 * @return The name of the BoundedThreadPool.
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315 */
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316 public String getName()
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317 {
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318 return _name;
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319 }
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320
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321 /* ------------------------------------------------------------ */
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322 /** Get the priority of the pool threads.
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323 * @return the priority of the pool threads.
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324 */
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325 public int getThreadsPriority()
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326 {
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327 return _priority;
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328 }
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329
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330 /* ------------------------------------------------------------ */
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331 /**
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332 * Delegated to the named or anonymous Pool.
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333 */
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334 public boolean isDaemon()
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335 {
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336 return _daemon;
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337 }
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338
863
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diff changeset
339 /* ------------------------------------------------------------ */
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diff changeset
340 public boolean isDetailedDump()
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341 {
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diff changeset
342 return _detailedDump;
88d3c8ff242a remove SizedThreadPool
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parents: 820
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343 }
802
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344
863
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diff changeset
345 /* ------------------------------------------------------------ */
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diff changeset
346 public void setDetailedDump(boolean detailedDump)
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347 {
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diff changeset
348 _detailedDump = detailedDump;
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349 }
802
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350
863
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diff changeset
351 /* ------------------------------------------------------------ */
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diff changeset
352 public boolean dispatch(Runnable job)
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353 {
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354 if (isRunning())
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355 {
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356 final int jobQ = _jobs.size();
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357 final int idle = getIdleThreads();
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358 if(_jobs.offer(job))
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diff changeset
359 {
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diff changeset
360 // If we had no idle threads or the jobQ is greater than the idle threads
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361 if (idle==0 || jobQ>idle)
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diff changeset
362 {
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diff changeset
363 int threads=_threadsStarted.get();
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diff changeset
364 if (threads<_maxThreads)
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365 startThread(threads);
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diff changeset
366 }
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367 return true;
88d3c8ff242a remove SizedThreadPool
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diff changeset
368 }
88d3c8ff242a remove SizedThreadPool
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369 }
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diff changeset
370 LOG.debug("Dispatched {} to stopped {}",job,this);
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371 return false;
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
372 }
802
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373
863
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diff changeset
374 /* ------------------------------------------------------------ */
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375 public void execute(Runnable job)
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376 {
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diff changeset
377 if (!dispatch(job))
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diff changeset
378 throw new RejectedExecutionException();
88d3c8ff242a remove SizedThreadPool
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diff changeset
379 }
802
3428c60d7cfc replace jetty jars with source
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380
863
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diff changeset
381 /* ------------------------------------------------------------ */
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diff changeset
382 /**
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diff changeset
383 * Blocks until the thread pool is {@link LifeCycle#stop stopped}.
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diff changeset
384 */
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diff changeset
385 public void join() throws InterruptedException
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diff changeset
386 {
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diff changeset
387 synchronized (_joinLock)
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diff changeset
388 {
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diff changeset
389 while (isRunning())
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diff changeset
390 _joinLock.wait();
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
391 }
802
3428c60d7cfc replace jetty jars with source
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parents:
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392
863
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parents: 820
diff changeset
393 while (isStopping())
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diff changeset
394 Thread.sleep(1);
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
395 }
802
3428c60d7cfc replace jetty jars with source
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parents:
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396
863
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parents: 820
diff changeset
397 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
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diff changeset
398 /**
88d3c8ff242a remove SizedThreadPool
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diff changeset
399 * @return The total number of threads currently in the pool
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diff changeset
400 */
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diff changeset
401 public int getThreads()
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diff changeset
402 {
88d3c8ff242a remove SizedThreadPool
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diff changeset
403 return _threadsStarted.get();
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
404 }
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
405
863
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
406 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
407 /**
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diff changeset
408 * @return The number of idle threads in the pool
88d3c8ff242a remove SizedThreadPool
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diff changeset
409 */
88d3c8ff242a remove SizedThreadPool
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diff changeset
410 public int getIdleThreads()
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parents: 820
diff changeset
411 {
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diff changeset
412 return _threadsIdle.get();
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
413 }
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
414
863
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
415 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
416 /**
88d3c8ff242a remove SizedThreadPool
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diff changeset
417 * @return True if the pool is at maxThreads and there are not more idle threads than queued jobs
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
418 */
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diff changeset
419 public boolean isLowOnThreads()
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parents: 820
diff changeset
420 {
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diff changeset
421 return _threadsStarted.get()==_maxThreads && _jobs.size()>=_threadsIdle.get();
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
422 }
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
423
863
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
424 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
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diff changeset
425 private boolean startThread(int threads)
88d3c8ff242a remove SizedThreadPool
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diff changeset
426 {
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diff changeset
427 final int next=threads+1;
88d3c8ff242a remove SizedThreadPool
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diff changeset
428 if (!_threadsStarted.compareAndSet(threads,next))
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diff changeset
429 return false;
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
430
863
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parents: 820
diff changeset
431 boolean started=false;
88d3c8ff242a remove SizedThreadPool
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diff changeset
432 try
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diff changeset
433 {
88d3c8ff242a remove SizedThreadPool
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diff changeset
434 Thread thread=newThread(_runnable);
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
435 thread.setDaemon(_daemon);
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
436 thread.setPriority(_priority);
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
437 thread.setName(_name+"-"+thread.getId());
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
438 _threads.add(thread);
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
439
863
88d3c8ff242a remove SizedThreadPool
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diff changeset
440 thread.start();
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
441 started=true;
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
442 }
88d3c8ff242a remove SizedThreadPool
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diff changeset
443 finally
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parents: 820
diff changeset
444 {
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parents: 820
diff changeset
445 if (!started)
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
446 _threadsStarted.decrementAndGet();
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
447 }
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
448 return started;
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
449 }
802
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
450
863
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
451 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
452 protected Thread newThread(Runnable runnable)
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
453 {
88d3c8ff242a remove SizedThreadPool
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diff changeset
454 return new Thread(runnable);
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
455 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
456
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
457
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
458 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
459 public String dump()
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
460 {
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
461 return AggregateLifeCycle.dump(this);
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
462 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
463
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
464 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
465 public void dump(Appendable out, String indent) throws IOException
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
466 {
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
467 List<Object> dump = new ArrayList<Object>(getMaxThreads());
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
468 for (final Thread thread: _threads)
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
469 {
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diff changeset
470 final StackTraceElement[] trace=thread.getStackTrace();
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
471 boolean inIdleJobPoll=false;
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
472 // trace can be null on early java 6 jvms
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
473 if (trace != null)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
474 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
475 for (StackTraceElement t : trace)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
476 {
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
477 if ("idleJobPoll".equals(t.getMethodName()))
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
478 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
479 inIdleJobPoll = true;
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
480 break;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
481 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
482 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
483 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
484 final boolean idle=inIdleJobPoll;
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
485
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
486 if (_detailedDump)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
487 {
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
488 dump.add(new Dumpable()
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
489 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
490 public void dump(Appendable out, String indent) throws IOException
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
491 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
492 out.append(String.valueOf(thread.getId())).append(' ').append(thread.getName()).append(' ').append(thread.getState().toString()).append(idle?" IDLE":"").append('\n');
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
493 if (!idle)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
494 AggregateLifeCycle.dump(out,indent,Arrays.asList(trace));
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
495 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
496
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
497 public String dump()
88d3c8ff242a remove SizedThreadPool
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parents: 820
diff changeset
498 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
499 return null;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
500 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
501 });
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
502 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
503 else
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
504 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
505 dump.add(thread.getId()+" "+thread.getName()+" "+thread.getState()+" @ "+(trace.length>0?trace[0]:"???")+(idle?" IDLE":""));
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
506 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
507 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
508
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
509 AggregateLifeCycle.dumpObject(out,this);
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
510 AggregateLifeCycle.dump(out,indent,dump);
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
511
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
512 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
513
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
514
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
515 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
516 @Override
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
517 public String toString()
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
518 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
519 return _name+"{"+getMinThreads()+"<="+getIdleThreads()+"<="+getThreads()+"/"+getMaxThreads()+","+(_jobs==null?-1:_jobs.size())+"}";
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
520 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
521
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
522 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
523 private Runnable idleJobPoll() throws InterruptedException
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
524 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
525 return _jobs.poll(_maxIdleTimeMs,TimeUnit.MILLISECONDS);
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
526 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
527
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
528 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
529 private Runnable _runnable = new Runnable()
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
530 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
531 public void run()
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
532 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
533 boolean shrink=false;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
534 try
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
535 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
536 Runnable job=_jobs.poll();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
537 while (isRunning())
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
538 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
539 // Job loop
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
540 while (job!=null && isRunning())
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
541 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
542 runJob(job);
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
543 job=_jobs.poll();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
544 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
545
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
546 // Idle loop
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
547 try
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
548 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
549 _threadsIdle.incrementAndGet();
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
550
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
551 while (isRunning() && job==null)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
552 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
553 if (_maxIdleTimeMs<=0)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
554 job=_jobs.take();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
555 else
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
556 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
557 // maybe we should shrink?
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
558 final int size=_threadsStarted.get();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
559 if (size>_minThreads)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
560 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
561 long last=_lastShrink.get();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
562 long now=System.currentTimeMillis();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
563 if (last==0 || (now-last)>_maxIdleTimeMs)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
564 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
565 shrink=_lastShrink.compareAndSet(last,now) &&
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
566 _threadsStarted.compareAndSet(size,size-1);
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
567 if (shrink)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
568 return;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
569 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
570 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
571 job=idleJobPoll();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
572 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
573 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
574 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
575 finally
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
576 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
577 _threadsIdle.decrementAndGet();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
578 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
579 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
580 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
581 catch(InterruptedException e)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
582 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
583 LOG.trace("",e);
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
584 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
585 catch(Exception e)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
586 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
587 LOG.warn("",e);
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
588 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
589 finally
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
590 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
591 if (!shrink)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
592 _threadsStarted.decrementAndGet();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
593 _threads.remove(Thread.currentThread());
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
594 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
595 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
596 };
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
597
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
598 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
599 /**
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
600 * <p>Runs the given job in the {@link Thread#currentThread() current thread}.</p>
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
601 * <p>Subclasses may override to perform pre/post actions before/after the job is run.</p>
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
602 *
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
603 * @param job the job to run
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
604 */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
605 protected void runJob(Runnable job)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
606 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
607 job.run();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
608 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
609
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
610 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
611 /**
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
612 * @return the job queue
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
613 */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
614 protected BlockingQueue<Runnable> getQueue()
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
615 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
616 return _jobs;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
617 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
618
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
619 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
620 /**
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
621 * @param id The thread ID to stop.
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
622 * @return true if the thread was found and stopped.
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
623 * @deprecated Use {@link #interruptThread(long)} in preference
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
624 */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
625 @Deprecated
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
626 public boolean stopThread(long id)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
627 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
628 for (Thread thread: _threads)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
629 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
630 if (thread.getId()==id)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
631 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
632 thread.stop();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
633 return true;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
634 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
635 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
636 return false;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
637 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
638
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
639 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
640 /**
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
641 * @param id The thread ID to interrupt.
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
642 * @return true if the thread was found and interrupted.
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
643 */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
644 public boolean interruptThread(long id)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
645 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
646 for (Thread thread: _threads)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
647 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
648 if (thread.getId()==id)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
649 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
650 thread.interrupt();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
651 return true;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
652 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
653 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
654 return false;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
655 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
656
863
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
657 /* ------------------------------------------------------------ */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
658 /**
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
659 * @param id The thread ID to interrupt.
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
660 * @return true if the thread was found and interrupted.
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
661 */
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
662 public String dumpThread(long id)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
663 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
664 for (Thread thread: _threads)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
665 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
666 if (thread.getId()==id)
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
667 {
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
668 StringBuilder buf = new StringBuilder();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
669 buf.append(thread.getId()).append(" ").append(thread.getName()).append(" ").append(thread.getState()).append(":\n");
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
670 for (StackTraceElement element : thread.getStackTrace())
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
671 buf.append(" at ").append(element.toString()).append('\n');
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
672 return buf.toString();
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
673 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
674 }
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
675 return null;
88d3c8ff242a remove SizedThreadPool
Franklin Schmidt <fschmidt@gmail.com>
parents: 820
diff changeset
676 }
802
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
677 }