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.spring;
023
024 import org.granite.logging.Logger;
025 import org.granite.tide.TidePersistenceManager;
026 import org.granite.tide.TideTransactionManager;
027 import org.granite.tide.data.AbstractTidePersistenceManager;
028 import org.granite.tide.data.JDOPersistenceManager;
029 import org.granite.tide.data.NoPersistenceManager;
030 import org.granite.util.TypeUtil;
031 import org.springframework.orm.hibernate3.HibernateTransactionManager;
032 import org.springframework.orm.jdo.JdoTransactionManager;
033 import org.springframework.orm.jpa.JpaTransactionManager;
034 import org.springframework.transaction.PlatformTransactionManager;
035
036
037 /**
038 * Responsible for attaching a session with the persistence mangager
039 * @author Cameron Ingram
040 * @author William Dra�
041 *
042 */
043 public class SpringPersistenceManager implements TidePersistenceManager {
044
045 private static final Logger log = Logger.getLogger(SpringPersistenceManager.class);
046
047 private TidePersistenceManager pm;
048
049
050 public SpringPersistenceManager(PlatformTransactionManager transactionManager) {
051 TideTransactionManager tm = new SpringTransactionManager(transactionManager);
052 if (transactionManager instanceof JpaTransactionManager) {
053 pm = new SpringJPAPersistenceManager((JpaTransactionManager)transactionManager, tm);
054 return;
055 }
056
057 if (transactionManager instanceof JdoTransactionManager) {
058 pm = new JDOPersistenceManager(((JdoTransactionManager)transactionManager).getPersistenceManagerFactory(), tm);
059 return;
060 }
061
062 // Check for Hibernate 3
063 if (transactionManager instanceof HibernateTransactionManager) {
064 try {
065 Object sf = transactionManager.getClass().getMethod("getSessionFactory").invoke(transactionManager);
066 Class<?> sfClass = TypeUtil.forName("org.hibernate.SessionFactory");
067 pm = (TidePersistenceManager)TypeUtil.newInstance("org.granite.tide.hibernate.HibernatePersistenceManager",
068 new Class<?>[] { sfClass, TideTransactionManager.class }, new Object[] { sf, tm });
069 }
070 catch (Exception e) {
071 log.error("Could not setup Hibernate 3 persistence manager, lazy-loading disabled. Check that granite-hibernate.jar is present in the classpath.");
072 pm = new NoPersistenceManager();
073 }
074 return;
075 }
076
077 // Check for Hibernate 4
078 try {
079 Class<?> hibernate4TM = TypeUtil.forName("org.springframework.orm.hibernate4.HibernateTransactionManager");
080 if (hibernate4TM.isInstance(transactionManager)) {
081 try {
082 Object sf = transactionManager.getClass().getMethod("getSessionFactory").invoke(transactionManager);
083 Class<?> sfClass = TypeUtil.forName("org.hibernate.SessionFactory");
084 pm = (TidePersistenceManager)TypeUtil.newInstance("org.granite.tide.hibernate4.HibernatePersistenceManager",
085 new Class<?>[] { sfClass, TideTransactionManager.class }, new Object[] { sf, tm });
086 }
087 catch (Exception e) {
088 log.error("Could not setup Hibernate 4 persistence manager, lazy-loading disabled. Check that granite-hibernate4.jar is present in the classpath.");
089 pm = new NoPersistenceManager();
090 }
091 return;
092 }
093 }
094 catch (ClassNotFoundException e) {
095 // Hibernate 4 not installed
096 }
097
098 log.error("Unsupported Spring TransactionManager, lazy-loading disabled");
099 pm = new NoPersistenceManager();
100 }
101
102
103 public Object attachEntity(Object entity, String[] propertyNames) {
104 if (pm instanceof AbstractTidePersistenceManager)
105 return ((AbstractTidePersistenceManager)pm).attachEntity(this, entity, propertyNames);
106 return pm.attachEntity(entity, propertyNames);
107 }
108
109 }