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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: UserCoordinatorService.java,v 1.2 2005/05/19 12:13:20 nmcl Exp $
  */
 
 package com.arjuna.mw.wscf.api;
 
 
 
 
 
This interface defines the operations that implementations of coordination protocols must provide. The basic interface does not imply any specific coordination protocol.

Author(s):
Mark Little (mark.little@arjuna.com)
Version:
$Id: UserCoordinatorService.java,v 1.2 2005/05/19 12:13:20 nmcl Exp $
Since:
1.0.
 
 
 public interface UserCoordinatorService
 {

    

Returns:
the status of the current coordinator. If there is no activity associated with the thread then NoActivity will be returned.
Throws:
com.arjuna.mw.wsas.exceptions.SystemException Thrown if any error occurs.
See also:
com.arjuna.mw.wsas.status.Status
 
 
     public com.arjuna.mw.wsas.status.Status status () throws SystemException;

    
If the application requires and if the coordination protocol supports it, then this method can be used to execute a coordination protocol on the currently enlisted participants at any time prior to the termination of the coordination scope.

Parameters:
cs The completion status to use when determining how to execute the protocol.
Returns:
The result of executing the protocol, or null.
Throws:
com.arjuna.mw.wsas.exceptions.WrongStateException Thrown if the coordinator is in a state the does not allow coordination to occur.
com.arjuna.mw.wsas.exceptions.ProtocolViolationException Thrown if the protocol is violated in some manner during execution.
com.arjuna.mw.wsas.exceptions.SystemException Thrown if any other error occurs.
 
 

Returns:
the complete list of qualifiers that have been registered with the current coordinator.
Throws:
com.arjuna.mw.wsas.exceptions.SystemException Thrown if any error occurs.
 
 
     public Qualifier[] qualifiers () throws NoCoordinatorExceptionSystemException;

    

Returns:
The unique identity of the current coordinator.
Throws:
com.arjuna.mw.wsas.exceptions.SystemException Thrown if any error occurs.
    
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