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.hibernate4;
023
024import java.io.Serializable;
025
026import org.hibernate.ObjectNotFoundException;
027import org.hibernate.Session;
028import org.hibernate.StaleObjectStateException;
029import org.hibernate.StaleStateException;
030
031/**
032 * @author William DRAI
033 */
034public class HibernateOptimisticLockException extends StaleStateException {
035
036        private static final long serialVersionUID = 1L;
037
038        private Object entity;
039        
040        public HibernateOptimisticLockException(String message, Throwable cause, Object entity) {
041                super(message);
042                this.entity = entity;
043        }
044        
045        public Object getEntity() {
046                return entity;
047        }
048        
049        public static void rethrowOptimisticLockException(Session session, StaleObjectStateException sose) {
050                Serializable identifier = sose.getIdentifier();
051                if (identifier != null) {
052                        try {
053                                Object entity = session.load(sose.getEntityName(), identifier);
054                                if (entity instanceof Serializable) {
055                                        //avoid some user errors regarding boundary crossing
056                                        throw new HibernateOptimisticLockException(null, sose, entity);
057                                }
058                        }
059                        catch (ObjectNotFoundException onfe) {
060                                // Ignored, StaleStateException will be rethrown
061                        }
062                }
063        }
064}