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TimedCallableImpl.javaAPI DocJBoss 4.2.12559Fri Jul 13 21:02:30 BST 2007org.jboss.aspects.asynchronous.concurrent

TimedCallableImpl.java

/*
 * 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.asynchronous.concurrent;

import EDU.oswego.cs.dl.util.concurrent.Callable;
import EDU.oswego.cs.dl.util.concurrent.FutureResult;
import EDU.oswego.cs.dl.util.concurrent.ThreadFactoryUser;
import org.jboss.aspects.asynchronous.ProcessingTime;


/**
 * @author <a href="mailto:chussenet@yahoo.com">{Claude Hussenet Independent Consultant}</a>.
 * @version <tt>$Revision: 57186 $</tt>
 */

public class TimedCallableImpl extends ThreadFactoryUser implements Callable, ProcessingTime
{

   private final AdapterTask function;

   private final long millis;

   private long endingTime = -1;

   private long startingTime = -1;


   public TimedCallableImpl(AdapterTask function, long millis)
   {

      this.function = function;

      this.millis = millis;

   }

   public Object call() throws Exception
   {

      FutureResult result = new FutureResult();


      Thread thread = getThreadFactory().newThread(result.setter(function));

      thread.start();

      try
      {

         startingTime = System.currentTimeMillis();

         Object obj = result.timedGet(millis);

         endingTime = System.currentTimeMillis();

         return obj;

      }
      catch (InterruptedException ex)
      {

         endingTime = System.currentTimeMillis();

         function.cleanup();

         thread.interrupt();

         throw ex;

      }

   }


   public long getEndingTime()
   {

      return endingTime;

   }

   public long getStartingTime()
   {

      return startingTime;

   }

}