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Glassfish example source code file (MonitorableThreadPool.java)
The Glassfish MonitorableThreadPool.java source code/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2007-2010 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.enterprise.v3.services.impl.monitor; import com.sun.enterprise.v3.services.impl.monitor.stats.StatsProvider; import com.sun.grizzly.http.StatsThreadPool; import com.sun.grizzly.util.ThreadPoolConfig; import com.sun.grizzly.util.ThreadPoolMonitoringProbe; import java.util.Queue; import java.util.concurrent.ThreadFactory; import java.util.concurrent.TimeUnit; /** * Grizzly thread pool implementation that emits probe events. * * @author jluehe * @author Alexey Stashok */ public class MonitorableThreadPool extends StatsThreadPool { // ------------------------------------------------------------ Constructors public MonitorableThreadPool( GrizzlyMonitoring monitoring, String monitoringId, String threadPoolName, int corePoolSize, int maximumPoolSize, int maxTasksCount, long keepAliveTime, TimeUnit unit) { super(new GrizzlyIntegrationThreadPoolConfig( monitoringId, monitoring, threadPoolName, corePoolSize, maximumPoolSize, null, maxTasksCount, keepAliveTime, unit, null, Thread.NORM_PRIORITY)); if (monitoring != null) { StatsProvider statsProvider = monitoring.getThreadPoolStatsProvider(monitoringId); if (statsProvider != null) { statsProvider.setStatsObject(this); } statsProvider = monitoring.getConnectionQueueStatsProvider(monitoringId); if (statsProvider != null) { statsProvider.setStatsObject(this); } ThreadPoolConfig config = getConfiguration(); // force related events to be fired though the values aren't // changing. config.setCorePoolSize(config.getCorePoolSize()); config.setMaxPoolSize(config.getMaxPoolSize()); config.setQueueLimit(config.getQueueLimit()); } } // ---------------------------------------------------------- Nested Classes /** * Custom {@link ThreadPoolConfig} to link V3 probe monitors into the * Grizzly runtime. */ private static class GrizzlyIntegrationThreadPoolConfig extends ThreadPoolConfig { private final String monitoringId; private final GrizzlyMonitoring monitoring; // -------------------------------------------------------- Constructors public GrizzlyIntegrationThreadPoolConfig(String monitoringId, GrizzlyMonitoring monitoring, String poolName, int corePoolSize, int maxPoolSize, Queue<Runnable> queue, int queueLimit, long keepAliveTime, TimeUnit timeUnit, ThreadFactory threadFactory, int priority) { super(poolName, corePoolSize, maxPoolSize, queue, queueLimit, keepAliveTime, timeUnit, threadFactory, priority, null); super.setMonitoringProbe(new GrizzlyIntegrationThreadPoolMonitoringProbe()); this.monitoringId = monitoringId; this.monitoring = monitoring; } // --------------------------------------- Methods from ThreadPoolConfig /** * @see ThreadPoolConfig#setCorePoolSize(int) */ @Override public ThreadPoolConfig setCorePoolSize(int corePoolSize) { if (monitoring != null) { monitoring.getThreadPoolProbeProvider().setCoreThreadsEvent( monitoringId, getPoolName(), corePoolSize); } return super.setCorePoolSize(corePoolSize); } /** * @see ThreadPoolConfig#setMaxPoolSize(int) */ @Override public ThreadPoolConfig setMaxPoolSize(int maxPoolSize) { if (monitoring != null) { monitoring.getThreadPoolProbeProvider().setMaxThreadsEvent( monitoringId, getPoolName(), maxPoolSize); } return super.setMaxPoolSize(maxPoolSize); } /** * @see ThreadPoolConfig#setQueueLimit(int) */ @Override public ThreadPoolConfig setQueueLimit(int limit) { if (monitoring != null) { monitoring.getConnectionQueueProbeProvider().setMaxTaskQueueSizeEvent( monitoringId, limit); } return super.setQueueLimit(limit); } // ------------------------------------------------------- Inner Classes /** * An implementation of {@link ThreadPoolMonitoringProbe} which delegates * probe calls from the {@link com.sun.grizzly.util.GrizzlyExecutorService} * to the provided {@link GrizzlyMonitoring} instance. */ private class GrizzlyIntegrationThreadPoolMonitoringProbe implements ThreadPoolMonitoringProbe { // ------------------------------ Methods from ThreadPoolMonitoringProbe /** * @see com.sun.grizzly.util.ThreadPoolMonitoringProbe#threadAllocatedEvent(String, Thread) */ @Override public void threadAllocatedEvent(String threadPoolName, Thread thread) { if (monitoring != null) { monitoring.getThreadPoolProbeProvider() .threadAllocatedEvent(monitoringId, threadPoolName, thread.getName()); } } /** * @see com.sun.grizzly.util.ThreadPoolMonitoringProbe#threadAllocatedEvent(String, Thread) */ @Override public void threadReleasedEvent(String threadPoolName, Thread thread) { if (monitoring != null) { monitoring.getThreadPoolProbeProvider() .threadReleasedEvent(monitoringId, threadPoolName, thread.getName()); } } /** * @see com.sun.grizzly.util.ThreadPoolMonitoringProbe#threadAllocatedEvent(String, Thread) */ @Override public void maxNumberOfThreadsReachedEvent(String threadPoolName, int maxNumberOfThreads) { if (monitoring != null) { monitoring.getThreadPoolProbeProvider() .maxNumberOfThreadsReachedEvent(monitoringId, threadPoolName, maxNumberOfThreads); } } /** * @see com.sun.grizzly.util.ThreadPoolMonitoringProbe#threadAllocatedEvent(String, Thread) */ @Override public void onTaskQueuedEvent(Runnable runnable) { if (monitoring != null) { monitoring.getConnectionQueueProbeProvider() .onTaskQueuedEvent(monitoringId, String.valueOf(runnable.hashCode())); } } /** * @see com.sun.grizzly.util.ThreadPoolMonitoringProbe#threadAllocatedEvent(String, Thread) */ @Override public void onTaskDequeuedEvent(Runnable runnable) { if (monitoring != null) { monitoring.getConnectionQueueProbeProvider() .onTaskDequeuedEvent(monitoringId, String.valueOf(runnable.hashCode())); monitoring.getThreadPoolProbeProvider() .threadDispatchedFromPoolEvent(monitoringId, getPoolName(), Thread.currentThread().getName()); } } /** * @see com.sun.grizzly.util.ThreadPoolMonitoringProbe#threadAllocatedEvent(String, Thread) */ @Override public void onTaskQueueOverflowEvent(String threadPoolName) { if (monitoring != null) { monitoring.getConnectionQueueProbeProvider() .onTaskQueueOverflowEvent(monitoringId); } } /** * @see ThreadPoolMonitoringProbe#onTaskCompletedEvent(Runnable) */ @Override public void onTaskCompletedEvent(Runnable runnable) { if (monitoring != null) { monitoring.getThreadPoolProbeProvider() .threadReturnedToPoolEvent(monitoringId, getPoolName(), Thread.currentThread().getName()); } } } // END GrizzlyIntegrationThreadPoolMonitoringProbe } // END GrizzlyIntegrationThreadPoolConfig } Other Glassfish examples (source code examples)Here is a short list of links related to this Glassfish MonitorableThreadPool.java source code file: |
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