/*
* 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 org.jboss.aop.InstanceAdvisor;
import org.jboss.aop.util.PayloadKey;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* Comment
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 57186 $
*/
public class AsynchProxyMixin implements AsynchProvider, Externalizable
{
private static final long serialVersionUID = -6895953696792282031L;
public static final String CURRENT_FUTURE = "CURRENT_FUTURE";
private transient ThreadLocal currentFuture;
private InstanceAdvisor advisor;
public void setAdvisor(InstanceAdvisor advisor)
{
this.advisor = advisor;
}
public void setFuture(Future future)
{
try
{
Future oldFuture = getFuture();
if (oldFuture != null) oldFuture.release();
}
catch (Exception e)
{
// eat it.
}
currentFuture.set(future);
}
public Future getFuture()
{
Future future = (Future) currentFuture.get();
currentFuture.set(null);
return future;
}
public void writeExternal(ObjectOutput out) throws IOException
{
out.writeObject(advisor);
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
advisor = (InstanceAdvisor) in.readObject();
currentFuture = new ThreadLocal();
advisor.getMetaData().addMetaData(CURRENT_FUTURE, CURRENT_FUTURE, currentFuture, PayloadKey.TRANSIENT);
}
}
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