1 /*
2 * Hibernate, Relational Persistence for Idiomatic Java
3 *
4 * Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
5 * indicated by the @author tags or express copyright attribution
6 * statements applied by the authors. All third-party contributions are
7 * distributed under license by Red Hat Middleware LLC.
8 *
9 * This copyrighted material is made available to anyone wishing to use, modify,
10 * copy, or redistribute it subject to the terms and conditions of the GNU
11 * Lesser General Public License, as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
16 * for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this distribution; if not, write to:
20 * Free Software Foundation, Inc.
21 * 51 Franklin Street, Fifth Floor
22 * Boston, MA 02110-1301 USA
23 *
24 */
25 package org.hibernate.event.def;
26
27 import java.io.Serializable;
28
29 import org.hibernate.Hibernate;
30 import org.hibernate.PersistentObjectException;
31 import org.hibernate.engine.EntityEntry;
32 import org.hibernate.engine.Status;
33 import org.hibernate.event.SaveOrUpdateEvent;
34 import org.hibernate.engine.SessionImplementor;
35
36 /**
37 * An event handler for save() events
38 * @author Gavin King
39 */
40 public class DefaultSaveEventListener extends DefaultSaveOrUpdateEventListener {
41
42 protected Serializable performSaveOrUpdate(SaveOrUpdateEvent event) {
43 // this implementation is supposed to tolerate incorrect unsaved-value
44 // mappings, for the purpose of backward-compatibility
45 EntityEntry entry = event.getSession().getPersistenceContext().getEntry( event.getEntity() );
46 if ( entry!=null && entry.getStatus() != Status.DELETED ) {
47 return entityIsPersistent(event);
48 }
49 else {
50 return entityIsTransient(event);
51 }
52 }
53
54 protected Serializable saveWithGeneratedOrRequestedId(SaveOrUpdateEvent event) {
55 if ( event.getRequestedId() == null ) {
56 return super.saveWithGeneratedOrRequestedId(event);
57 }
58 else {
59 return saveWithRequestedId(
60 event.getEntity(),
61 event.getRequestedId(),
62 event.getEntityName(),
63 null,
64 event.getSession()
65 );
66 }
67
68 }
69
70 protected boolean reassociateIfUninitializedProxy(Object object, SessionImplementor source) {
71 if ( !Hibernate.isInitialized(object) ) {
72 throw new PersistentObjectException("uninitialized proxy passed to save()");
73 }
74 else {
75 return false;
76 }
77 }
78
79
80 }
Save This Page