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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() {
}
}
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