Package com.arjuna.mwlabs.wst.at.local

Source Code of com.arjuna.mwlabs.wst.at.local.LocalRegistrarImple

/*
* 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: LocalRegistrarImple.java,v 1.8 2005/05/19 12:13:42 nmcl Exp $
*/

package com.arjuna.mwlabs.wst.at.local;

import com.arjuna.mw.wstx.logging.wstxLogger;

import com.arjuna.ats.arjuna.common.Uid;

import com.arjuna.mw.wscf.model.twophase.api.CoordinatorManager;

import com.arjuna.mwlabs.wst.at.participants.*;

import com.arjuna.webservices.wsat.AtomicTransactionConstants;
import com.arjuna.wst.*;

import com.arjuna.wsc.AlreadyRegisteredException;
import com.arjuna.wsc.InvalidProtocolException;
import com.arjuna.wsc.InvalidStateException;
import com.arjuna.wsc.NoActivityException;

import com.arjuna.mw.wscf.model.twophase.CoordinatorManagerFactory;

/**
* This class simulates the use of the real RegistrarImple, which we can't use
* in a local environment simply because we do not have URIs to register: we
* have real participants!
*/

public class LocalRegistrarImple
{

  public LocalRegistrarImple ()
  {
    try
    {
      _coordManager = CoordinatorManagerFactory.coordinatorManager();
    }
    catch (Exception ex)
    {
      ex.printStackTrace();
    }
  }

  /**
   * Registers the interest of participant in a particular protocol.
   *
   * @param participantProtocolServiceAddress
   *            the address of the participant protocol service
   * @param protocolIdentifier
   *            the protocol identifier
   *
   * @throws AlreadyRegisteredException
   *             if the participant is already registered for this
   *             coordination protocol under this activity identifier
   * @throws InvalidProtocolException
   *             if the coordination protocol is not supported
   * @throws InvalidStateException
   *             if the state of the coordinator no longer allows registration
   *             for this coordination protocol
   * @throws NoActivityException
   *             if the activity does not exist.
   *
   * @message com.arjuna.mwlabs.wst.at.local.LocalRegistrarImple_1
   *          [com.arjuna.mwlabs.wst.at.local.LocalRegistrarImple_1] - Invalid
   *          type URI: < {0} , {1} >
   */

  public void register (Object participant, String protocolIdentifier)
      throws AlreadyRegisteredException, InvalidProtocolException,
      InvalidStateException, NoActivityException
  {
    // TODO check for AlreadyRegisteredException

    if (protocolIdentifier.equals(AtomicTransactionConstants.WSAT_SUB_PROTOCOL_DURABLE_2PC))
    {
      // enlist participant that wraps the requester URI.

      try
      {
        _coordManager.enlistParticipant(new DurableTwoPhaseCommitParticipant(
            (Durable2PCParticipant) participant,
            new Uid().toString()));
      }
      catch (Exception ex)
      {
        throw new InvalidStateException();
      }
    }
    else
    {
      if (protocolIdentifier.equals(AtomicTransactionConstants.WSAT_SUB_PROTOCOL_VOLATILE_2PC))
      {
        try
        {
          _coordManager.enlistSynchronization(new VolatileTwoPhaseCommitParticipant(
              (Volatile2PCParticipant) participant));
        }
        catch (Exception ex)
        {
          throw new InvalidStateException();
        }
      }
      else
      {
        wstxLogger.arjLoggerI18N.warn("com.arjuna.mwlabs.wst.at.local.LocalRegistrarImple_1", new Object[]
        { AtomicTransactionConstants.WSAT_PROTOCOL, protocolIdentifier });

        throw new InvalidProtocolException();
      }
    }
  }

  private CoordinatorManager _coordManager;

}
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