001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.tide.data;
023
024import javax.persistence.EntityTransaction;
025
026import org.granite.tide.TideTransactionManager;
027
028
029/**
030 * Responsible for attaching a entity with the entity mangager
031 * @author cingram
032 *
033 */
034public class JPALocalTransactionManager implements TideTransactionManager {
035        
036        public Object begin(TideTransactionPersistenceManager pm) {
037                if (pm != null)
038                        return pm.getCurrentTransaction();
039                return null;
040        }
041        
042        public void commit(Object tx) throws Exception {
043        ((EntityTransaction)tx).commit();
044        }
045        
046        public void rollback(Object tx) {
047        ((EntityTransaction)tx).rollback();
048        }
049}