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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: Outcome.java,v 1.2 2005/05/19 12:13:16 nmcl Exp $
 */
package com.arjuna.mw.wsas.activity;
The Outcome represents the final outcome of the activity. Because different HLS implementations will have different requirements on what they can or cannot return, this interface is deliberately generic.

Author(s):
Mark Little (mark.little@arjuna.com)
Version:
$Id: Outcome.java,v 1.2 2005/05/19 12:13:16 nmcl Exp $
Since:
1.0.
public interface Outcome
{

    
Give a name for this outcome.

Returns:
some implementation specific name for the Outcome. Typically this will be the only thing necessary to determine the transaction's outcome, e.g., "RolledBack".
Throws:
com.arjuna.mw.wsas.exceptions.SystemException Thrown if an error occurs.
    public String name () throws SystemException;

    
The state in which the activity completed.

Returns:
the final completion status of the transaction. Any additional information (e.g., exception types) may be provided by the data method.
Throws:
com.arjuna.mw.wsas.exceptions.SystemException Thrown if an error occurs.
    public CompletionStatus completedStatus () throws SystemException;
 
    
Outcome specific information that can be used to determine finer level details about the outcome instance.

Returns:
completion specific data for this activity. Examples include the type of failure exception that was thrown by the implementation (e.g., HeuristicMixed).
Throws:
com.arjuna.mw.wsas.exceptions.SystemException Thrown if an error occurs.
    public Object data () throws SystemException;
    
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