Package com.arjuna.mwlabs.wst.at

Source Code of com.arjuna.mwlabs.wst.at.ContextFactoryImple

/*
* 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 General Public License, v. 2.0.
* 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 General Public License for more details.
* You should have received a copy of the GNU General Public License,
* v. 2.0 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: ContextFactoryImple.java,v 1.16.4.1 2005/11/22 10:36:21 kconner Exp $
*/

package com.arjuna.mwlabs.wst.at;

import com.arjuna.mw.wsas.exceptions.NoActivityException;
import com.arjuna.mw.wsas.exceptions.SystemException;
import com.arjuna.mw.wscf.model.twophase.CoordinatorManagerFactory;
import com.arjuna.mw.wscf.model.twophase.api.CoordinatorManager;
import com.arjuna.mw.wstx.logging.wstxLogger;
import com.arjuna.mwlabs.wscf.coordinator.LocalFactory;
import com.arjuna.mwlabs.wscf.model.twophase.arjunacore.ACCoordinator;
import com.arjuna.mwlabs.wscf.model.twophase.arjunacore.CoordinatorControl;
import com.arjuna.mwlabs.wscf.model.twophase.arjunacore.CoordinatorServiceImple;
import com.arjuna.mwlabs.wst.at.context.ArjunaContextImple;
import com.arjuna.mwlabs.wst.at.participants.CleanupSynchronization;
import com.arjuna.webservices.SoapRegistry;
import com.arjuna.webservices.stax.URI;
import com.arjuna.webservices.wsaddr.AttributedURIType;
import com.arjuna.webservices.wsaddr.EndpointReferenceType;
import com.arjuna.webservices.wsarj.InstanceIdentifier;
import com.arjuna.webservices.wsat.AtomicTransactionConstants;
import com.arjuna.webservices.wscoor.AttributedUnsignedIntType;
import com.arjuna.webservices.wscoor.CoordinationConstants;
import com.arjuna.webservices.wscoor.CoordinationContextType;
import com.arjuna.wsc.ContextFactory;
import com.arjuna.wsc.InvalidCreateParametersException;
import com.arjuna.wsc.InvalidProtocolException;

public class ContextFactoryImple implements ContextFactory, LocalFactory
{
  public ContextFactoryImple ()
  {
    try
    {
      _coordManager = CoordinatorManagerFactory.coordinatorManager();

            _theRegistrar = new RegistrarImple();
    }
    catch (Exception ex)
    {
      ex.printStackTrace();
    }
  }

  /**
   * Called when a context factory is added to a context factory mapper. This
   * method will be called multiple times if the context factory is added to
   * multiple context factory mappers or to the same context mapper with
   * different protocol identifiers.
   *
   * @param coordinationTypeURI
   *            the coordination type uri
   */
  public void install(final String coordinationTypeURI)
  {
  }

  // TODO interposition

  /*
   * If there is a context passed through to create then this newly created
   * coordinator should be interposed.
   */

  /**
   * Creates a coordination context.
   *
   * @param coordinationTypeURI
   *            the coordination type uri
   * @param expires
   *            the expire date/time for the returned context, can be null
   * @param currentContext
   *            the current context, can be null
   *
   * @return the created coordination context
   *
   * @throws InvalidCreateParametersException
   *             if a parameter passed is invalid this activity identifier.
   *
   * @message com.arjuna.mwlabs.wst.at.ContextFactoryImple_1
   *          [com.arjuna.mwlabs.wst.at.ContextFactoryImple_1] - Invalid type
   *          URI: < {0} , {1} >
   * @message com.arjuna.mwlabs.wst.at.ContextFactoryImple_3
   *          [com.arjuna.mwlabs.wst.at.ContextFactoryImple_3] - Invalid type
   *          URI:
   */

  public CoordinationContextType create (final String coordinationTypeURI, final Long expires,
            final CoordinationContextType currentContext)
      throws InvalidCreateParametersException
  {
    if (coordinationTypeURI.equals(AtomicTransactionConstants.WSAT_PROTOCOL))
    {
      try
      {
        // make sure no transaction is currently associated

        _coordManager.suspend();

        final int timeout ;
                if (expires == null)
                {
                    timeout = 0 ;
                }
                else
                {
                    final long timeoutVal = expires.longValue() ;
                    timeout = (timeoutVal > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int)timeoutVal) ;
                }

        _coordManager.begin(timeout);
       
                final ArjunaContextImple arjunaContext = ArjunaContextImple.getContext() ;
                final SoapRegistry soapRegistry = SoapRegistry.getRegistry() ;
                final String registrationCoordinatorURI = soapRegistry.getServiceURI(CoordinationConstants.SERVICE_REGISTRATION_COORDINATOR) ;
               
                final CoordinationContextType coordinationContext = new CoordinationContextType() ;
                coordinationContext.setCoordinationType(new URI(coordinationTypeURI)) ;
                coordinationContext.setIdentifier(new AttributedURIType("urn:"+arjunaContext.getTransactionIdentifier())) ;
                final int transactionExpires = arjunaContext.getTransactionExpires() ;
                if (transactionExpires > 0)
                {
                    coordinationContext.setExpires(new AttributedUnsignedIntType(transactionExpires)) ;
                }
                final EndpointReferenceType registrationCoordinator = new EndpointReferenceType(new AttributedURIType(registrationCoordinatorURI)) ;
                InstanceIdentifier.setEndpointInstanceIdentifier(registrationCoordinator, arjunaContext.getTransactionIdentifier()) ;
                coordinationContext.setRegistrationService(registrationCoordinator) ;

        /*
         * Now add the registrar for this specific coordinator to the
         * mapper.
         */

        _coordManager.enlistSynchronization(new CleanupSynchronization(_coordManager.identifier().toString(), _theRegistrar));

        /*
         * TODO Uughh! This does a suspend for us! Left over from original
         * WS-AS stuff.
         *
         * TODO
         * REFACTOR, REFACTOR, REFACTOR.
         */
       
        _theRegistrar.associate();

        return coordinationContext;
      }
      catch (com.arjuna.mw.wsas.exceptions.NoActivityException ex)
      {
        ex.printStackTrace();
       
        throw new InvalidCreateParametersException();
      }
      catch (com.arjuna.mw.wsas.exceptions.SystemException ex)
      {
        ex.printStackTrace();
      }
      catch (com.arjuna.mw.wsas.exceptions.WrongStateException ex)
      {
        ex.printStackTrace();
       
        throw new InvalidCreateParametersException();
      }
      catch (Exception ex)
      {
        // TODO handle properly

        ex.printStackTrace();
      }
    }
    else
    {
      wstxLogger.arjLoggerI18N.warn("com.arjuna.mwlabs.wst.at.ContextFactoryImple_1", new Object[]
      { AtomicTransactionConstants.WSAT_PROTOCOL, coordinationTypeURI });

      throw new InvalidCreateParametersException(
          wstxLogger.log_mesg.getString("com.arjuna.mwlabs.wst.at.ContextFactoryImple_3")
              + " < "
              + AtomicTransactionConstants.WSAT_PROTOCOL
              + ", "
              + coordinationTypeURI + " >");
    }

    return null;
  }

  /**
   * Called when a context factory is removed from a context factory mapper.
   * This method will be called multiple times if the context factory is
   * removed from multiple context factory mappers or from the same context
   * factory mapper with different coordination type uris.
   *
   * @param coordinationTypeURI
   *            the coordination type uri
   */

  public void uninstall (final String coordinationTypeURI)
  {
    // we don't use this as one implementation is registered per type
  }

  public final Object createSubordinate () throws NoActivityException, InvalidProtocolException, SystemException
  {
    try
    {
      CoordinatorServiceImple coordManager = (CoordinatorServiceImple) _coordManager;
      CoordinatorControl theControl = coordManager.coordinatorControl();
      ACCoordinator subordinateTransaction = theControl.createSubordinate();
     
      /*
       * Now add the registrar for this specific coordinator to the
       * mapper.
       */

      subordinateTransaction.enlistSynchronization(new CleanupSynchronization(subordinateTransaction.get_uid().stringForm(), _theRegistrar));

      _theRegistrar.associate(subordinateTransaction);
     
      return subordinateTransaction;
    }
    catch (Exception ex)
    {
      throw new SystemException(ex.toString());
    }
  }
 
  public final RegistrarImple registrar ()
  {
    return _theRegistrar;
  }

  private CoordinatorManager _coordManager;
  private RegistrarImple _theRegistrar;

}
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