/*
* 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.aspects.asynch;
import EDU.oswego.cs.dl.util.concurrent.Callable;
import EDU.oswego.cs.dl.util.concurrent.Executor;
import EDU.oswego.cs.dl.util.concurrent.FutureResult;
import EDU.oswego.cs.dl.util.concurrent.PooledExecutor;
import org.jboss.aop.Advisor;
import org.jboss.aop.joinpoint.MethodInvocation;
/**
* Use a global thread pool to execute asynch tasks
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57186 $
*/
public class ThreadPoolExecutor implements ExecutorAbstraction
{
private static Executor executor = new PooledExecutor();
public void setAdvisor(Advisor advisor)
{
}
public RemotableFuture execute(MethodInvocation invocation) throws Exception
{
final MethodInvocation copy = (MethodInvocation) invocation.copy();
final ClassLoader cl = Thread.currentThread().getContextClassLoader();
FutureResult result = new FutureResult();
Runnable command = result.setter(new Callable()
{
public Object call() throws Exception
{
try
{
Thread.currentThread().setContextClassLoader(cl);
return copy.invokeNext();
}
catch (Throwable throwable)
{
if (throwable instanceof Exception)
{
throw ((Exception) throwable);
}
else
throw new Exception(throwable);
}
}
});
executor.execute(command);
return new FutureImpl(result);
}
}
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