001/*
002  GRANITE DATA SERVICES
003  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005  This file is part of Granite Data Services.
006
007  Granite Data Services is free software; you can redistribute it and/or modify
008  it under the terms of the GNU Library General Public License as published by
009  the Free Software Foundation; either version 2 of the License, or (at your
010  option) any later version.
011
012  Granite Data Services is distributed in the hope that it will be useful, but
013  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015  for more details.
016
017  You should have received a copy of the GNU Library General Public License
018  along with this library; if not, see <http://www.gnu.org/licenses/>.
019*/
020
021package org.granite.tide.data;
022
023import javax.persistence.EntityTransaction;
024
025import org.granite.tide.TideTransactionManager;
026
027
028/**
029 * Responsible for attaching a entity with the entity mangager
030 * @author cingram
031 *
032 */
033public class JPALocalTransactionManager implements TideTransactionManager {
034        
035        public Object begin(TideTransactionPersistenceManager pm) {
036                if (pm != null)
037                        return pm.getCurrentTransaction();
038                return null;
039        }
040        
041        public void commit(Object tx) throws Exception {
042        ((EntityTransaction)tx).commit();
043        }
044        
045        public void rollback(Object tx) {
046        ((EntityTransaction)tx).rollback();
047        }
048}