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

package com.arjuna.ats.arjuna.coordinator;

import com.arjuna.ats.internal.arjuna.thread.ThreadActionData;

import java.util.concurrent.Callable;

/**
 * Instances of this class are responsible for performing asynchronous
 * prepare on a specific AbstractRecord associated with a transaction.
 *
 * @author Mark Little ([email protected])
 * @version $Id: AsyncPrepare.java 2342 2006-03-30 13:06:17Z  $
 * @since JTS 1.2.4.
 */

/*
 * Default visibility.
 */
class AsyncPrepare implements Callable {
    public Integer call() throws Exception {
        /*
                   * This is a transient thread so we don't want to register it
                   * with the action it is preparing, only change its notion of
                   * the current transaction so that any abstract records that
                   * need that information can still have it.
                   */

        ThreadActionData.pushAction(_theAction, false);

        _outcome = _theAction.doPrepare(_reportHeuristics, _theRecord);

        ThreadActionData.popAction(false);

        return _outcome;
    }

    protected AsyncPrepare(BasicAction act, boolean reportHeuristics, AbstractRecord rec) {
        _theAction = act;
        _outcome = TwoPhaseOutcome.PREPARE_NOTOK;
        _reportHeuristics = reportHeuristics;
        _theRecord = rec;
    }

    private BasicAction _theAction;
    private int _outcome;
    private boolean _reportHeuristics;
    private AbstractRecord _theRecord;
};