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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+package com.sun.star.lib.uno.environments.remote;
+
+/**
+ * This class implements a java thread pool.
+ * <p>
+ * @version $Revision: 1.13 $ $ $Date: 2008-04-11 11:20:22 $
+ * @author Kay Ramme
+ * @see com.sun.star.uno.UnoRuntime
+ * @see com.sun.star.lib.uno.environments.remote.ThreadPool
+ * @see com.sun.star.lib.uno.environments.remote.IThreadPool
+ * @see com.sun.star.lib.uno.environments.remote.Job
+ * @see com.sun.star.lib.uno.environments.remote.JobQueue
+ * @since UDK1.0
+ */
+public class JavaThreadPool implements IThreadPool {
+ /**
+ * When set to true, enables various debugging output.
+ */
+ private static final boolean DEBUG = false;
+
+ JavaThreadPoolFactory _javaThreadPoolFactory;
+
+ JavaThreadPool(JavaThreadPoolFactory javaThreadPoolFactory) {
+ _javaThreadPoolFactory = javaThreadPoolFactory;
+ }
+
+ public ThreadId getThreadId() {
+ return JavaThreadPoolFactory.getThreadId();
+ }
+
+ public Object attach( ThreadId threadId )
+ {
+ if(DEBUG) System.err.println("##### " + getClass().getName() + ".attach - id:" + threadId);
+ JobQueue jobQueue = _javaThreadPoolFactory.getJobQueue(threadId);
+ if(jobQueue == null)
+ jobQueue = new JobQueue(_javaThreadPoolFactory, threadId, false);
+
+ // acquiring the jobQueue registers it at the ThreadPoolFactory
+ jobQueue.acquire();
+ return jobQueue;
+ }
+
+ public void attach() {
+ attach( getThreadId() );
+ }
+
+ public void detach( Object handle, ThreadId id )
+ {
+ ((JobQueue)handle).release();
+ }
+
+ public void detach() {
+ ThreadId threadId = getThreadId();
+ detach(_javaThreadPoolFactory.getJobQueue(threadId), threadId );
+ }
+
+
+ public Object enter( ) throws Throwable {
+ ThreadId threadId = getThreadId();
+ return enter( _javaThreadPoolFactory.getJobQueue( threadId ), threadId );
+ }
+
+ public Object enter( Object handle, ThreadId threadId ) throws Throwable {
+ return ((JobQueue)handle).enter(this);
+ }
+
+ public void putJob(Job job) {
+ if (!job.isRequest() || job.isSynchronous()) {
+ JobQueue jobQueue = _javaThreadPoolFactory.getJobQueue(job.getThreadId());
+
+ // this has not be synchronized, cause
+ // sync jobs can only come over one bridge
+ // (cause the thread blocks on other side)
+ if(jobQueue == null)
+ jobQueue = new JobQueue(_javaThreadPoolFactory, job.getThreadId(), true);
+
+ // put job acquires the queue and registers it at the ThreadPoolFactory
+ jobQueue.putJob(job, this);
+ }
+ else {
+ // this has to be synchronized, cause
+ // async jobs of the same thread can come
+ // over different bridges
+ synchronized(_javaThreadPoolFactory) {
+ JobQueue async_jobQueue = _javaThreadPoolFactory.getAsyncJobQueue(job.getThreadId());
+
+ // ensure there is jobQueue
+ if(async_jobQueue == null) // so, there is really no async queue
+ async_jobQueue = new JobQueue(_javaThreadPoolFactory, job.getThreadId());
+
+ // put job acquires the queue and registers it at the ThreadPoolFactory
+ async_jobQueue.putJob(job, this);
+ }
+ }
+ }
+
+ public void dispose(Throwable throwable) {
+ if(DEBUG) System.err.println("##### " + getClass().getName() + ".dispose:" + throwable);
+
+ _javaThreadPoolFactory.dispose(this, throwable);
+ }
+
+ public void destroy() {
+ }
+}