/*
 * 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.FutureResult;
import org.jboss.aop.Dispatcher;
import org.jboss.util.id.GUID;

import java.lang.reflect.InvocationTargetException;

/**
 * Comment
 *
 * @author <a href="mailto:bill@jboss.org">Bill Burke</a>
 * @version $Revision: 57186 $
 */
public class FutureImpl
implements RemotableFuture
{
   private FutureResult result;
   private GUID remoteObjectID;

   public FutureImpl(FutureResult result)
   {
      this.result = result;
   }

   public void setRemoteObjectID(GUID remoteObjectID)
   {
      this.remoteObjectID = remoteObjectID;
   }

   public void release()
   {
      if (remoteObjectID != null)
      {
         Dispatcher.singleton.unregisterTarget(remoteObjectID);
      }
   }

   public Object get() throws InterruptedException, InvocationTargetException
   {
      try
      {
         Object rtn = result.get();
         release();
         return rtn;
      }
      catch (InvocationTargetException e)
      {
         release();
         throw e;
      }
   }

   public Object get(long milliseconds) throws TimeoutException, InterruptedException, InvocationTargetException
   {
      try
      {
         Object rtn = result.timedGet(milliseconds);
         release();
         return rtn;
      }
      catch (EDU.oswego.cs.dl.util.concurrent.TimeoutException e)
      {
         throw new TimeoutException(e);
      }
      catch (InvocationTargetException e)
      {
         release();
         throw e;
      }
   }

   public boolean isDone()
   {
      return result.isReady();
   }

}
