/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.resource.adapter.quartz.inflow;
import org.quartz.SchedulerConfigException;
import javax.resource.spi.work.Work;
import javax.resource.spi.work.WorkException;
import javax.resource.spi.work.WorkManager;
/**
* Thread pool used to fire Quartz Jobs.
* <p/>
* Using BootstrapContext's workManager thread pool.
* No dependency outside this rar or JCA.
*
* @see http://jira.jboss.com/jira/browse/JBAS-1792
* @see quartz.properties
*
* @author <a href="mailto:ales.justin@gmail.com">Ales Justin</a>
*/
public class JBossQuartzThreadPool implements org.quartz.spi.ThreadPool
{
private int poolSize = Integer.MAX_VALUE;
private WorkManager workManager;
public void initialize() throws SchedulerConfigException
{
workManager = QuartzResourceAdapter.getConfigTimeWorkManager();
}
/**
* Currently this method is only used in metadata lookup.
* Which is has no further use.
* How to provide better estimate?
*/
public int getPoolSize()
{
return poolSize;
}
public boolean runInThread(Runnable runnable)
{
try
{
WorkWrapper workWrapper = new WorkWrapper(runnable);
workManager.doWork(workWrapper);
return true;
}
catch (WorkException e)
{
return false;
}
}
/**
* No shutdown impl - workManager is shutdown by itself.
*/
public void shutdown(boolean waitForJobsToComplete)
{
}
/**
* Just in case we want to set pool size.
*/
public void setPoolSize(int poolSize)
{
this.poolSize = poolSize;
}
private class WorkWrapper implements Work
{
private Runnable delegate;
public WorkWrapper(Runnable delegate)
{
this.delegate = delegate;
}
public void run()
{
delegate.run();
}
public void release()
{
}
}
}