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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: UserCoordinatorFactory.java,v 1.4 2005/05/19 12:13:23 nmcl Exp $
  */
 
 package com.arjuna.mw.wscf11.model.sagas;
 
 
 
 
The factory which returns the UserCoordinator implementation to use.

Author(s):
Mark Little (mark.little@arjuna.com)
Version:
$Id: UserCoordinatorFactory.java,v 1.4 2005/05/19 12:13:23 nmcl Exp $
Since:
1.0.
 
 
 public class UserCoordinatorFactory
 {

    

Returns:
the CoordinatorManager implementation to use. The default coordination protocol is used (two-phase commit) with its associated implementation.
Throws:
com.arjuna.mw.wscf.exceptions.ProtocolNotRegisteredException Thrown if the default protocol is not available.
 
 
     {
 		return userCoordinator("Sagas11HLS");
 	}

    
Obtain a reference to a coordinator that implements the specified protocol.

Parameters:
protocol The XML definition of the type of coordination protocol required.
Returns:
the CoordinatorManager implementation to use.
Throws:
com.arjuna.mw.wscf.exceptions.ProtocolNotRegisteredException Thrown if the requested protocol is not available.
 
 
     {
         try
         {
             SagasHLS coordHLS;
 
             synchronized ()
             {
                 coordHLS = (SagasHLS.get(protocol);
 
                 if (coordHLS == null)
                 {
                     coordHLS = (SagasHLS.getProtocolImplementation(protocol);
 
                     .put(protocolcoordHLS);
                 }
                return coordHLS.userCoordinator();
            }
        }
        catch (ProtocolNotRegisteredException ex)
        {
            throw ex;
        }
        catch (Exception ex)
        {
            throw new SystemException(ex.toString());
        }
    }
    private static ProtocolManager _protocolManager = ProtocolRegistry.sharedManager();
    private static HashMap         _implementations = new HashMap();
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