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  /*
   * 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 in the distribution for a full listing 
   * of individual contributors.
   * This copyrighted material is made available to anyone wishing to use,
   * modify, copy, or redistribute it subject to the terms and conditions
   * of the GNU Lesser General Public License, v. 2.1.
  * This program is distributed in the hope that it will be useful, but WITHOUT A
  * 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,
  * v.2.1 along with this distribution; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  * MA  02110-1301, USA.
  * 
  * (C) 2005-2006,
  * @author JBoss Inc.
  */
 /*
  * Copyright (C) 2002,
  *
  * Arjuna Technologies Limited,
  * Newcastle upon Tyne,
  * Tyne and Wear,
  * UK.
  *
  * $Id: ActivityHandleImple.java,v 1.1 2002/11/25 10:51:45 nmcl Exp $
  */
 
 package com.arjuna.mwlabs.wsas.activity;
 
 
ActivityHandle is used as a representation of a single activity when it is suspended from a running thread and may be later resumed. The implementation of the token can be as lightweight as required by the underlying implementation in order that it can uniquely represent all activity instances. Since this is a client-facing class, it is unlikely that the application user will typically want to see the entire activity context in order to simply suspend it from the thread.
 
 
 public class ActivityHandleImple implements ActivityHandle
 {
 
     public ActivityHandleImple (ActivityImple curr)
     {
 	 = curr;
 	 = (( == null) ? false : true);
     }
    
    
Although users won't typically care what the underlying implementation of a context is, they will need to do comparisons. So, although this method is provided by Java.Object we have it here to ensure that we don't forget to implement it! Two instances are equal if the refer to the same transaction.
 
 
     public boolean equals (Object obj)
     {
 	if (obj != null)
 	{
 	    if (obj == this)
 		return true;
 	    else
 	    {
 		if (obj instanceof ActivityHandleImple)
 		{
 		    if (.equals(obj))
 			return true;
 		}
 	    }
 	}
 	
 	return false;
     }
    
    
Although users won't typically care what the underlying implementation of a context is, they will need to do comparisons. So, although this method is provided by Java.Object we have it here to ensure that we don't forget to implement it!
 
 
     public int hashCode ()
     {
 	return (( == null) ? 0 : .hashCode());
     }

    

Returns:
whether or not this is a valid handle.
    public boolean valid ()
    {
	return ;
    }
    public int getTimeout ()
    {
	try
	{
	    return .getTimeout();
	}
	catch (Exception ex)
	{
	    ex.printStackTrace();
	    
	    return -1;
	}
    }
    
    

Returns:
the activity identifier.
    public String tid ()
    {
	return (( == null) ? null : new String(.getGlobalId().value()));
    }
    public final ActivityImple getActivity ()
    {
	return ;
    }
    public String toString ()
    {
	return tid();
    }
    private ActivityImple _theActivity;
    private boolean       _valid;
    
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