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     */
022    package org.granite.tide.data;
023    
024    import javax.persistence.EntityTransaction;
025    
026    import org.granite.tide.TideTransactionManager;
027    
028    
029    /**
030     * Responsible for attaching a entity with the entity mangager
031     * @author cingram
032     *
033     */
034    public 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    }