| <!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,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> *<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> */<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.mina.filter.executor;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.HashSet;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.Set;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.concurrent.Executors;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.LinkedBlockingQueue;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.RejectedExecutionHandler;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.ThreadFactory;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.concurrent.TimeUnit;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span><a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.mina.core.session.IoEvent;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span>/**<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * A {@link ThreadPoolExecutor} that does not maintain the order of {@link IoEvent}s.<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * This means more than one event handler methods can be invoked at the same<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * time with mixed order. For example, let's assume that messageReceived, messageSent,<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * and sessionClosed events are fired.<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * <ul><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * <li>All event handler methods can be called simultaneously.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * (e.g. messageReceived and messageSent can be invoked at the same time.)</li><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * <li>The event order can be mixed up.<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * (e.g. sessionClosed or messageSent can be invoked before messageReceived<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * is invoked.)</li><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * </ul><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * If you need to maintain the order of events per session, please use<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * {@link OrderedThreadPoolExecutor}.<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> *<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * @org.apache.xbean.XBean<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>public class UnorderedThreadPoolExecutor extends ThreadPoolExecutor {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> private static final Runnable EXIT_SIGNAL = new Runnable() {<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> public void run() {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> throw new Error("This method shouldn't be called. " + "Please file a bug report.");<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> }<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> };<a name="line.61"></a> |
| <span class="sourceLineNo">062</span><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private final Set<Worker> workers = new HashSet<Worker>();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private volatile int corePoolSize;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> private volatile int maximumPoolSize;<a name="line.67"></a> |
| <span class="sourceLineNo">068</span><a name="line.68"></a> |
| <span class="sourceLineNo">069</span> private volatile int largestPoolSize;<a name="line.69"></a> |
| <span class="sourceLineNo">070</span><a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private final AtomicInteger idleWorkers = new AtomicInteger();<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> private long completedTaskCount;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private volatile boolean shutdown;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> private final IoEventQueueHandler queueHandler;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public UnorderedThreadPoolExecutor() {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> this(16);<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> public UnorderedThreadPoolExecutor(int maximumPoolSize) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> this(0, maximumPoolSize);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> public UnorderedThreadPoolExecutor(int corePoolSize, int maximumPoolSize) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> this(corePoolSize, maximumPoolSize, 30, TimeUnit.SECONDS);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> public UnorderedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> this(corePoolSize, maximumPoolSize, keepAliveTime, unit, Executors.defaultThreadFactory());<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span><a name="line.94"></a> |
| <span class="sourceLineNo">095</span> public UnorderedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> IoEventQueueHandler queueHandler) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> this(corePoolSize, maximumPoolSize, keepAliveTime, unit, Executors.defaultThreadFactory(), queueHandler);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> public UnorderedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> ThreadFactory threadFactory) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> this(corePoolSize, maximumPoolSize, keepAliveTime, unit, threadFactory, null);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> public UnorderedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit,<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> ThreadFactory threadFactory, IoEventQueueHandler queueHandler) {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> super(0, 1, keepAliveTime, unit, new LinkedBlockingQueue<Runnable>(), threadFactory, new AbortPolicy());<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> if (corePoolSize < 0) {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> throw new IllegalArgumentException("corePoolSize: " + corePoolSize);<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> if (maximumPoolSize == 0 || maximumPoolSize < corePoolSize) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> throw new IllegalArgumentException("maximumPoolSize: " + maximumPoolSize);<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> if (queueHandler == null) {<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> queueHandler = IoEventQueueHandler.NOOP;<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> }<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> this.corePoolSize = corePoolSize;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> this.maximumPoolSize = maximumPoolSize;<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> this.queueHandler = queueHandler;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> public IoEventQueueHandler getQueueHandler() {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> return queueHandler;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> @Override<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> public void setRejectedExecutionHandler(RejectedExecutionHandler handler) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> // Ignore the request. It must always be AbortPolicy.<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> private void addWorker() {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> synchronized (workers) {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> if (workers.size() >= maximumPoolSize) {<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> return;<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> }<a name="line.138"></a> |
| <span class="sourceLineNo">139</span><a name="line.139"></a> |
| <span class="sourceLineNo">140</span> Worker worker = new Worker();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> Thread thread = getThreadFactory().newThread(worker);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> idleWorkers.incrementAndGet();<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> thread.start();<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> workers.add(worker);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> if (workers.size() > largestPoolSize) {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> largestPoolSize = workers.size();<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> }<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> }<a name="line.150"></a> |
| <span class="sourceLineNo">151</span><a name="line.151"></a> |
| <span class="sourceLineNo">152</span> private void addWorkerIfNecessary() {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (idleWorkers.get() == 0) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> synchronized (workers) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (workers.isEmpty() || idleWorkers.get() == 0) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> addWorker();<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> }<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> private void removeWorker() {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> synchronized (workers) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> if (workers.size() <= corePoolSize) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> return;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> getQueue().offer(EXIT_SIGNAL);<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> }<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> }<a name="line.169"></a> |
| <span class="sourceLineNo">170</span><a name="line.170"></a> |
| <span class="sourceLineNo">171</span> @Override<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> public int getMaximumPoolSize() {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> return maximumPoolSize;<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span><a name="line.175"></a> |
| <span class="sourceLineNo">176</span> @Override<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> public void setMaximumPoolSize(int maximumPoolSize) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> if (maximumPoolSize <= 0 || maximumPoolSize < corePoolSize) {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> throw new IllegalArgumentException("maximumPoolSize: " + maximumPoolSize);<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> synchronized (workers) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> this.maximumPoolSize = maximumPoolSize;<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> int difference = workers.size() - maximumPoolSize;<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> while (difference > 0) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> removeWorker();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> --difference;<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> }<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> }<a name="line.190"></a> |
| <span class="sourceLineNo">191</span><a name="line.191"></a> |
| <span class="sourceLineNo">192</span> @Override<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span><a name="line.194"></a> |
| <span class="sourceLineNo">195</span> long deadline = System.currentTimeMillis() + unit.toMillis(timeout);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> synchronized (workers) {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> while (!isTerminated()) {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> long waitTime = deadline - System.currentTimeMillis();<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> if (waitTime <= 0) {<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> break;<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> }<a name="line.202"></a> |
| <span class="sourceLineNo">203</span><a name="line.203"></a> |
| <span class="sourceLineNo">204</span> workers.wait(waitTime);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> }<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> return isTerminated();<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> @Override<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> public boolean isShutdown() {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> return shutdown;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> @Override<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> public boolean isTerminated() {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> if (!shutdown) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> return false;<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> }<a name="line.219"></a> |
| <span class="sourceLineNo">220</span><a name="line.220"></a> |
| <span class="sourceLineNo">221</span> synchronized (workers) {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> return workers.isEmpty();<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> @Override<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> public void shutdown() {<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> if (shutdown) {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> return;<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span><a name="line.231"></a> |
| <span class="sourceLineNo">232</span> shutdown = true;<a name="line.232"></a> |
| <span class="sourceLineNo">233</span><a name="line.233"></a> |
| <span class="sourceLineNo">234</span> synchronized (workers) {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> for (int i = workers.size(); i > 0; i--) {<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> getQueue().offer(EXIT_SIGNAL);<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> }<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> }<a name="line.239"></a> |
| <span class="sourceLineNo">240</span><a name="line.240"></a> |
| <span class="sourceLineNo">241</span> @Override<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> public List<Runnable> shutdownNow() {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> shutdown();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span><a name="line.244"></a> |
| <span class="sourceLineNo">245</span> List<Runnable> answer = new ArrayList<Runnable>();<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> Runnable task;<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> while ((task = getQueue().poll()) != null) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> if (task == EXIT_SIGNAL) {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> getQueue().offer(EXIT_SIGNAL);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> Thread.yield(); // Let others take the signal.<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> continue;<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> }<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> getQueueHandler().polled(this, (IoEvent) task);<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> answer.add(task);<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> }<a name="line.256"></a> |
| <span class="sourceLineNo">257</span><a name="line.257"></a> |
| <span class="sourceLineNo">258</span> return answer;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> @Override<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> public void execute(Runnable task) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> if (shutdown) {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> rejectTask(task);<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span><a name="line.266"></a> |
| <span class="sourceLineNo">267</span> checkTaskType(task);<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> IoEvent e = (IoEvent) task;<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> boolean offeredEvent = queueHandler.accept(this, e);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> <a name="line.271"></a> |
| <span class="sourceLineNo">272</span> if (offeredEvent) {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> getQueue().offer(e);<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> addWorkerIfNecessary();<a name="line.276"></a> |
| <span class="sourceLineNo">277</span><a name="line.277"></a> |
| <span class="sourceLineNo">278</span> if (offeredEvent) {<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> queueHandler.offered(this, e);<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> }<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span><a name="line.282"></a> |
| <span class="sourceLineNo">283</span> private void rejectTask(Runnable task) {<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> getRejectedExecutionHandler().rejectedExecution(task, this);<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> }<a name="line.285"></a> |
| <span class="sourceLineNo">286</span><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> private void checkTaskType(Runnable task) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> if (!(task instanceof IoEvent)) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> throw new IllegalArgumentException("task must be an IoEvent or its subclass.");<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span><a name="line.292"></a> |
| <span class="sourceLineNo">293</span> @Override<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> public int getActiveCount() {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> synchronized (workers) {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> return workers.size() - idleWorkers.get();<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> }<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> }<a name="line.298"></a> |
| <span class="sourceLineNo">299</span><a name="line.299"></a> |
| <span class="sourceLineNo">300</span> @Override<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> public long getCompletedTaskCount() {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> synchronized (workers) {<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> long answer = completedTaskCount;<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> for (Worker w : workers) {<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> answer += w.completedTaskCount.get();<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span><a name="line.307"></a> |
| <span class="sourceLineNo">308</span> return answer;<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span><a name="line.311"></a> |
| <span class="sourceLineNo">312</span> @Override<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> public int getLargestPoolSize() {<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> return largestPoolSize;<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> }<a name="line.315"></a> |
| <span class="sourceLineNo">316</span><a name="line.316"></a> |
| <span class="sourceLineNo">317</span> @Override<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> public int getPoolSize() {<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> synchronized (workers) {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> return workers.size();<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> }<a name="line.322"></a> |
| <span class="sourceLineNo">323</span><a name="line.323"></a> |
| <span class="sourceLineNo">324</span> @Override<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> public long getTaskCount() {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> return getCompletedTaskCount();<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<a name="line.327"></a> |
| <span class="sourceLineNo">328</span><a name="line.328"></a> |
| <span class="sourceLineNo">329</span> @Override<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> public boolean isTerminating() {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> synchronized (workers) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> return isShutdown() && !isTerminated();<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> }<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> }<a name="line.334"></a> |
| <span class="sourceLineNo">335</span><a name="line.335"></a> |
| <span class="sourceLineNo">336</span> @Override<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> public int prestartAllCoreThreads() {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> int answer = 0;<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> synchronized (workers) {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> for (int i = corePoolSize - workers.size(); i > 0; i--) {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> addWorker();<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> answer++;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> return answer;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<a name="line.346"></a> |
| <span class="sourceLineNo">347</span><a name="line.347"></a> |
| <span class="sourceLineNo">348</span> @Override<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> public boolean prestartCoreThread() {<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> synchronized (workers) {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> if (workers.size() < corePoolSize) {<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> addWorker();<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> return true;<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> }<a name="line.354"></a> |
| <span class="sourceLineNo">355</span><a name="line.355"></a> |
| <span class="sourceLineNo">356</span> return false;<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> }<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span><a name="line.359"></a> |
| <span class="sourceLineNo">360</span> @Override<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> public void purge() {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> // Nothing to purge in this implementation.<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> }<a name="line.363"></a> |
| <span class="sourceLineNo">364</span><a name="line.364"></a> |
| <span class="sourceLineNo">365</span> @Override<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> public boolean remove(Runnable task) {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> boolean removed = super.remove(task);<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> if (removed) {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> getQueueHandler().polled(this, (IoEvent) task);<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> return removed;<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> }<a name="line.372"></a> |
| <span class="sourceLineNo">373</span><a name="line.373"></a> |
| <span class="sourceLineNo">374</span> @Override<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> public int getCorePoolSize() {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> return corePoolSize;<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> }<a name="line.377"></a> |
| <span class="sourceLineNo">378</span><a name="line.378"></a> |
| <span class="sourceLineNo">379</span> @Override<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> public void setCorePoolSize(int corePoolSize) {<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> if (corePoolSize < 0) {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> throw new IllegalArgumentException("corePoolSize: " + corePoolSize);<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> if (corePoolSize > maximumPoolSize) {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> throw new IllegalArgumentException("corePoolSize exceeds maximumPoolSize");<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> }<a name="line.386"></a> |
| <span class="sourceLineNo">387</span><a name="line.387"></a> |
| <span class="sourceLineNo">388</span> synchronized (workers) {<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> if (this.corePoolSize > corePoolSize) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> for (int i = this.corePoolSize - corePoolSize; i > 0; i--) {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> removeWorker();<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> }<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> }<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> this.corePoolSize = corePoolSize;<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> }<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> }<a name="line.396"></a> |
| <span class="sourceLineNo">397</span><a name="line.397"></a> |
| <span class="sourceLineNo">398</span> private class Worker implements Runnable {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span><a name="line.399"></a> |
| <span class="sourceLineNo">400</span> private AtomicLong completedTaskCount = new AtomicLong(0);<a name="line.400"></a> |
| <span class="sourceLineNo">401</span><a name="line.401"></a> |
| <span class="sourceLineNo">402</span> private Thread thread;<a name="line.402"></a> |
| <span class="sourceLineNo">403</span><a name="line.403"></a> |
| <span class="sourceLineNo">404</span> public void run() {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> thread = Thread.currentThread();<a name="line.405"></a> |
| <span class="sourceLineNo">406</span><a name="line.406"></a> |
| <span class="sourceLineNo">407</span> try {<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> for (;;) {<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> Runnable task = fetchTask();<a name="line.409"></a> |
| <span class="sourceLineNo">410</span><a name="line.410"></a> |
| <span class="sourceLineNo">411</span> idleWorkers.decrementAndGet();<a name="line.411"></a> |
| <span class="sourceLineNo">412</span><a name="line.412"></a> |
| <span class="sourceLineNo">413</span> if (task == null) {<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> synchronized (workers) {<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> if (workers.size() > corePoolSize) {<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> // Remove now to prevent duplicate exit.<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> workers.remove(this);<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> break;<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> }<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span><a name="line.422"></a> |
| <span class="sourceLineNo">423</span> if (task == EXIT_SIGNAL) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> break;<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span><a name="line.426"></a> |
| <span class="sourceLineNo">427</span> try {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> if (task != null) {<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> queueHandler.polled(UnorderedThreadPoolExecutor.this, (IoEvent) task);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> runTask(task);<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> }<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> } finally {<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> idleWorkers.incrementAndGet();<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> }<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> }<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> } finally {<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> synchronized (workers) {<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> workers.remove(this);<a name="line.438"></a> |
| <span class="sourceLineNo">439</span> UnorderedThreadPoolExecutor.this.completedTaskCount += completedTaskCount.get();<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> workers.notifyAll();<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> }<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> }<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span><a name="line.444"></a> |
| <span class="sourceLineNo">445</span> private Runnable fetchTask() {<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> Runnable task = null;<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> long currentTime = System.currentTimeMillis();<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> long deadline = currentTime + getKeepAliveTime(TimeUnit.MILLISECONDS);<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> for (;;) {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> try {<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> long waitTime = deadline - currentTime;<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> if (waitTime <= 0) {<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> break;<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> }<a name="line.454"></a> |
| <span class="sourceLineNo">455</span><a name="line.455"></a> |
| <span class="sourceLineNo">456</span> try {<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> task = getQueue().poll(waitTime, TimeUnit.MILLISECONDS);<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> break;<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> } finally {<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> if (task == null) {<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> currentTime = System.currentTimeMillis();<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> }<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> } catch (InterruptedException e) {<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> // Ignore.<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> continue;<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> }<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> }<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> return task;<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> }<a name="line.470"></a> |
| <span class="sourceLineNo">471</span><a name="line.471"></a> |
| <span class="sourceLineNo">472</span> private void runTask(Runnable task) {<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> beforeExecute(thread, task);<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> boolean ran = false;<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> try {<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> task.run();<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> ran = true;<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> afterExecute(task, null);<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> completedTaskCount.incrementAndGet();<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> } catch (RuntimeException e) {<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> if (!ran) {<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> afterExecute(task, e);<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> }<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> throw e;<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> }<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> }<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> }<a name="line.487"></a> |
| <span class="sourceLineNo">488</span>}<a name="line.488"></a> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |