ServerStrictNestedAction.java

/*
 * 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) 1998, 1999, 2000,
 *
 * Arjuna Solutions Limited,
 * Newcastle upon Tyne,
 * Tyne and Wear,
 * UK.
 *
 * $Id: ServerStrictNestedAction.java 2342 2006-03-30 13:06:17Z  $
 */

package com.arjuna.ats.internal.jts.orbspecific.interposition.resources.strict;

import org.omg.CORBA.SystemException;
import org.omg.CosTransactions.Coordinator;

import com.arjuna.ats.internal.jts.ORBManager;
import com.arjuna.ats.internal.jts.orbspecific.interposition.ServerControl;
import com.arjuna.ats.internal.jts.orbspecific.interposition.resources.arjuna.ServerNestedAction;
import com.arjuna.ats.jts.logging.jtsLogger;

public class ServerStrictNestedAction extends ServerNestedAction
{

    /*
     * Create local transactions with same ids as remote. The base class is
     * responsible for registering us with the parent transaction.
     */

    public ServerStrictNestedAction(ServerControl control, boolean doRegister)
    {
        super(control);

        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ServerStrictNestedAction::ServerStrictNestedAction ( "
                    + _theUid + " )");
        }

        _registered = false;
        _theResource = null;

        if (_theControl != null)
        {
            _theResource = new org.omg.CosTransactions.SubtransactionAwareResourcePOATie(
                    this);

            ORBManager.getPOA().objectIsReady(_theResource);

            /*
             * Would like to be able to attach a thread filter to this object if
             * process-filters aren't supported. However, currently this won't
             * work as we can't have two different filter types working at the
             * same time. ATTACH_THREAD_FILTER_(_theResource);
             */

            if (doRegister)
                interposeResource();
        }
    }

    public boolean interposeResource ()
    {
        if (!_registered)
        {
            _registered = true;

            if ((_theResource != null) && (_theControl != null))
            {
                Coordinator realCoordinator = _theControl.originalCoordinator();

                if (!(_valid = registerSubTran(realCoordinator))) {
                    jtsLogger.i18NLogger.warn_orbspecific_interposition_resources_strict_ipfailed("ServerStrictNestedAction");

                    /*
                     * Failed to register. Valid is set, and the interposition
                     * controller will now deal with this.
                     */
                }

                realCoordinator = null;
            }
            else
                _valid = false;
        }

        return _valid;
    }

    /*
     * Since we may be called multiple times if we are nested and are propagated
     * to our parents, we remember the initial response and return it
     * subsequently.
     */

    public void commit_subtransaction (Coordinator parent)
            throws SystemException
    {
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("ServerStrictNestedAction::commit_subtransaction : "
                    + _theUid);
        }

        try
        {
            super.commit_subtransaction(parent);

            /*
             * Now register a resource with our parent if required.
             */

            if (super._parent != null)
                super._parent.interposeResource();
        }
        catch (SystemException e)
        {
            if (super._parent != null)
                super._parent.interposeResource();

            throw e;
        }
    }

    private boolean _registered;

}