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.spring;
023
024import org.granite.tide.TideTransactionManager;
025import org.granite.tide.data.TideTransactionPersistenceManager;
026import org.springframework.transaction.PlatformTransactionManager;
027import org.springframework.transaction.TransactionDefinition;
028import org.springframework.transaction.TransactionStatus;
029import org.springframework.transaction.support.DefaultTransactionDefinition;
030
031/**
032 * Responsible for attaching a session with the persistence mangager
033 * @author cingram
034 *
035 */
036public class SpringTransactionManager implements TideTransactionManager {
037        
038        private PlatformTransactionManager transactionManager;
039        
040        private static final TransactionDefinition TX_DEF = new DefaultTransactionDefinition(TransactionDefinition.PROPAGATION_REQUIRED);
041        static {
042                ((DefaultTransactionDefinition)TX_DEF).setReadOnly(true);
043        }
044        
045        
046        public SpringTransactionManager(PlatformTransactionManager transactionManager) {
047                this.transactionManager = transactionManager;
048        }
049        
050        public Object begin(TideTransactionPersistenceManager pm) {
051                return transactionManager.getTransaction(TX_DEF);
052        }
053
054        public void commit(Object tx) throws Exception {
055                transactionManager.commit(((TransactionStatus)tx));
056        }
057
058        public void rollback(Object tx) {
059                transactionManager.rollback(((TransactionStatus)tx));
060        }
061}