/*
* 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 java.lang.reflect.InvocationTargetException;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57186 $
*/
public class FutureProxy implements Future
{
private Future delegate;
private boolean released = false;
public void setDelegate(Future delegate)
{
synchronized (this)
{
this.delegate = delegate;
if (released) delegate.release();
this.notifyAll();
}
}
public void release()
{
synchronized (this)
{
if (delegate == null)
{
released = true;
return;
}
}
delegate.release();
}
public Object get() throws InterruptedException, InvocationTargetException
{
synchronized (this)
{
if (delegate == null)
this.wait();
if (delegate == null) throw new RuntimeException("Failed to get delegate and timed out");
return delegate.get();
}
}
public Object get(long milliseconds) throws TimeoutException, InterruptedException, InvocationTargetException
{
synchronized (this)
{
if (delegate == null)
{
this.wait(milliseconds);
if (delegate == null) throw new TimeoutException("Failed to get delegate and timed out");
}
}
return delegate.get(milliseconds);
}
public boolean isDone()
{
return delegate == null || delegate.isDone();
}
}
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