Package com.arjuna.ats.internal.jta.transaction.jts.subordinate.jca.coordinator

Source Code of com.arjuna.ats.internal.jta.transaction.jts.subordinate.jca.coordinator.ServerTransaction

/*
* 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) 2005,
*
* Arjuna Technologies Ltd,
* Newcastle upon Tyne,
* Tyne and Wear,
* UK. 
*
* $Id: ServerTransaction.java 2342 2006-03-30 13:06:17Z  $
*/

package com.arjuna.ats.internal.jta.transaction.jts.subordinate.jca.coordinator;

import com.arjuna.ats.jta.xa.XidImple;

import com.arjuna.ats.arjuna.common.*;
import com.arjuna.ats.arjuna.state.*;

import java.io.IOException;

import javax.transaction.xa.Xid;

/**
* This looks like an Transaction, but is only created for importing
* transactions via JCA.
*
* @author Mark Little (mark@arjuna.com)
* @version $$
* @since JTS 4.0.
*/

/*
* This class shouldn't need to be synchronized much since any given instance
* should be assigned to at most one resource.
*/

public class ServerTransaction extends com.arjuna.ats.internal.jts.orbspecific.interposition.coordinator.ServerTransaction
{

  public ServerTransaction (Uid actUid, Xid xid)
  {
    super(actUid, null);
   
    // convert to internal format (makes saving/restoring easier)
   
    _theXid = new XidImple(xid);
  }

  public ServerTransaction (Uid actId)
  {
    super(actId);
   
    activate()// if this fails we'll retry recovery periodically.
  }
 
  public final Xid getXid ()
  {
    return _theXid;
  }
 
  public String type ()
  {
    return getType();
  }
 
  public static final String getType ()
  {
    return "/StateManager/BasicAction/TwoPhaseCoordinator/ArjunaTransactionImple/ServerTransaction/JCA";
  }

  /*
   * If this is a top-level transaction then we should have a recovery
   * coordinator reference, so save it away.
   */

  public boolean save_state (OutputObjectState os, int ot)
  {
    try
    {
      if (_theXid != null)
        os.packBoolean(true);
      else
        os.packBoolean(false);
     
      _theXid.packInto(os);
     
      return super.save_state(os, ot);
    }
    catch (IOException e)
    {
      e.printStackTrace();
    }

    return false;
  }

  public boolean restore_state (InputObjectState os, int ot)
  {
    try
    {
      _theXid = null;
     
      boolean haveXid = os.unpackBoolean();

      if (haveXid)
      {
        _theXid = new XidImple();
       
        _theXid.unpackFrom(os);
      }
     
      return super.restore_state(os, ot);
    }
    catch (IOException ex)
    {
      ex.printStackTrace();
    }

    return false;
  }

  private XidImple _theXid;
 
}
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