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.seam.lazy;
023
024 import javax.persistence.EntityManager;
025
026 import org.granite.tide.TidePersistenceManager;
027 import org.hibernate.Session;
028 import org.jboss.seam.Component;
029 import org.jboss.seam.Component.BijectedAttribute;
030 import org.jboss.seam.annotations.In;
031 import org.jboss.seam.framework.PersistenceController;
032
033
034 /**
035 * Factory for creating the correct ITidePersistenceManager based on the
036 * persistence strategy passed in. Supported types are
037 * EntityManager,Session, EntityQuery, EntityHome, HibernateEntityHome and a
038 * injected(@In) EntityManager or HibernateSession
039 * @author CIngram
040 */
041 public class TideHibernatePersistenceFactory {
042
043
044 /**
045 * Create the ITidePersistenceManager. Supported types are
046 * EntityManager,Session, EntityQuery, EntityHome, HibernateEntityHome and a
047 * injected(@In) EntityManager or HibernateSession
048 *
049 * @param component
050 * @param persistenceType
051 * @return a ITidePersistenceManager.
052 */
053 public static TidePersistenceManager createTidePersistence(Component component, Object persistenceType) {
054 TidePersistenceManager pm = TidePersistenceFactory.createTidePersistence(component, persistenceType);
055 if (pm != null) {
056 return pm;
057 } else if (persistenceType instanceof Session) {
058 return createTidePersistence(component, (Session)persistenceType);
059 }
060
061 return null;
062 }
063
064
065 /**
066 * Create a ITideInterceptor for a EntityManager.
067 *
068 * @param component
069 * @param persistenceType
070 * @return a ITidePersistenceManager.
071 */
072 public static TidePersistenceManager createTidePersistence(Component component, EntityManager persistenceType) {
073 return TidePersistenceFactory.createTidePersistence(component, persistenceType);
074 }
075
076 /**
077 * Create ITidePersistenceManager for a HibernateSession
078 *
079 * @param component
080 * @param persistenceType
081 * @return a ITidePersistenceManager.
082 */
083 public static TidePersistenceManager createTidePersistence(Component component, Session persistenceType) {
084 return new HibernateContextManager(persistenceType);
085 }
086
087 /**
088 * Create ITidePersistenceManager for a PersistenceController
089 *
090 * @param component
091 * @param controller
092 * @return a ITidePersistenceManager.
093 */
094 public static TidePersistenceManager createTidePersistence(Component component, PersistenceController<?> controller) {
095 TidePersistenceManager pm = TidePersistenceFactory.createTidePersistence(component, controller);
096 if (pm != null)
097 return pm;
098 String controllerName = component.getName();
099 if (controller.getPersistenceContext() instanceof Session)
100 return new HibernatePersistenceControllerManager(controllerName);
101 return null;
102 }
103
104 /**
105 * Create a ITidePersistenceManager for a injected attribute(@In).
106 * Supported Types are EntityManager or Session.
107 *
108 * @param component
109 * @param att
110 * @return a ITidePersistenceManager.
111 */
112 public static TidePersistenceManager createTidePersistence(Component component, BijectedAttribute<In> att) {
113 TidePersistenceManager pm = TidePersistenceFactory.createTidePersistence(component, att);
114 if (pm != null)
115 return pm;
116
117 if (att.getType() == Session.class) {
118 return new SeamHibernateManager(att.getName());
119 }
120 return null;
121 }
122 }