/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.action;
import java.io.Serializable;
import org.hibernate.AssertionFailure;
import org.hibernate.HibernateException;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.CacheKey;
import org.hibernate.cache.access.SoftLock;
import org.hibernate.cache.entry.CacheEntry;
import org.hibernate.engine.EntityEntry;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.engine.Status;
import org.hibernate.engine.Versioning;
import org.hibernate.event.PostUpdateEvent;
import org.hibernate.event.PostUpdateEventListener;
import org.hibernate.event.PreUpdateEvent;
import org.hibernate.event.PreUpdateEventListener;
import org.hibernate.event.EventSource;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.type.TypeHelper;
public final class EntityUpdateAction extends EntityAction {
private final Object[] state;
private final Object[] previousState;
private final Object previousVersion;
private final int[] dirtyFields;
private final boolean hasDirtyCollection;
private final Object rowId;
private Object nextVersion;
private Object cacheEntry;
private SoftLock lock;
public EntityUpdateAction(
final Serializable id,
final Object[] state,
final int[] dirtyProperties,
final boolean hasDirtyCollection,
final Object[] previousState,
final Object previousVersion,
final Object nextVersion,
final Object instance,
final Object rowId,
final EntityPersister persister,
final SessionImplementor session) throws HibernateException {
super( session, id, instance, persister );
this.state = state;
this.previousState = previousState;
this.previousVersion = previousVersion;
this.nextVersion = nextVersion;
this.dirtyFields = dirtyProperties;
this.hasDirtyCollection = hasDirtyCollection;
this.rowId = rowId;
}
public void execute() throws HibernateException {
Serializable id = getId();
EntityPersister persister = getPersister();
SessionImplementor session = getSession();
Object instance = getInstance();
boolean veto = preUpdate();
final SessionFactoryImplementor factory = getSession().getFactory();
Object previousVersion = this.previousVersion;
if ( persister.isVersionPropertyGenerated() ) {
// we need to grab the version value from the entity, otherwise
// we have issues with generated-version entities that may have
// multiple actions queued during the same flush
previousVersion = persister.getVersion( instance, session.getEntityMode() );
}
final CacheKey ck;
if ( persister.hasCache() ) {
ck = new CacheKey(
id,
persister.getIdentifierType(),
persister.getRootEntityName(),
session.getEntityMode(),
session.getFactory()
);
lock = persister.getCacheAccessStrategy().lockItem( ck, previousVersion );
}
else {
ck = null;
}
if ( !veto ) {
persister.update(
id,
state,
dirtyFields,
hasDirtyCollection,
previousState,
previousVersion,
instance,
rowId,
session
);
}
EntityEntry entry = getSession().getPersistenceContext().getEntry( instance );
if ( entry == null ) {
throw new AssertionFailure( "possible nonthreadsafe access to session" );
}
if ( entry.getStatus()==Status.MANAGED || persister.isVersionPropertyGenerated() ) {
// get the updated snapshot of the entity state by cloning current state;
// it is safe to copy in place, since by this time no-one else (should have)
// has a reference to the array
TypeHelper.deepCopy(
state,
persister.getPropertyTypes(),
persister.getPropertyCheckability(),
state,
session
);
if ( persister.hasUpdateGeneratedProperties() ) {
// this entity defines proeprty generation, so process those generated
// values...
persister.processUpdateGeneratedProperties( id, instance, state, session );
if ( persister.isVersionPropertyGenerated() ) {
nextVersion = Versioning.getVersion( state, persister );
}
}
// have the entity entry doAfterTransactionCompletion post-update processing, passing it the
// update state and the new version (if one).
entry.postUpdate( instance, state, nextVersion );
}
if ( persister.hasCache() ) {
if ( persister.isCacheInvalidationRequired() || entry.getStatus()!=Status.MANAGED ) {
persister.getCacheAccessStrategy().remove( ck );
}
else {
//TODO: inefficient if that cache is just going to ignore the updated state!
CacheEntry ce = new CacheEntry(
state,
persister,
persister.hasUninitializedLazyProperties( instance, session.getEntityMode() ),
nextVersion,
getSession(),
instance
);
cacheEntry = persister.getCacheEntryStructure().structure( ce );
boolean put = persister.getCacheAccessStrategy().update( ck, cacheEntry, nextVersion, previousVersion );
if ( put && factory.getStatistics().isStatisticsEnabled() ) {
factory.getStatisticsImplementor().secondLevelCachePut( getPersister().getCacheAccessStrategy().getRegion().getName() );
}
}
}
postUpdate();
if ( factory.getStatistics().isStatisticsEnabled() && !veto ) {
factory.getStatisticsImplementor()
.updateEntity( getPersister().getEntityName() );
}
}
private void postUpdate() {
PostUpdateEventListener[] postListeners = getSession().getListeners()
.getPostUpdateEventListeners();
if (postListeners.length>0) {
PostUpdateEvent postEvent = new PostUpdateEvent(
getInstance(),
getId(),
state,
previousState,
dirtyFields,
getPersister(),
(EventSource) getSession()
);
for ( int i = 0; i < postListeners.length; i++ ) {
postListeners[i].onPostUpdate(postEvent);
}
}
}
private void postCommitUpdate() {
PostUpdateEventListener[] postListeners = getSession().getListeners()
.getPostCommitUpdateEventListeners();
if (postListeners.length>0) {
PostUpdateEvent postEvent = new PostUpdateEvent(
getInstance(),
getId(),
state,
previousState,
dirtyFields,
getPersister(),
(EventSource) getSession()
);
for ( int i = 0; i < postListeners.length; i++ ) {
postListeners[i].onPostUpdate(postEvent);
}
}
}
private boolean preUpdate() {
PreUpdateEventListener[] preListeners = getSession().getListeners()
.getPreUpdateEventListeners();
boolean veto = false;
if (preListeners.length>0) {
PreUpdateEvent preEvent = new PreUpdateEvent(
getInstance(),
getId(),
state,
previousState,
getPersister(),
(EventSource)getSession()
);
for ( int i = 0; i < preListeners.length; i++ ) {
veto = preListeners[i].onPreUpdate(preEvent) || veto;
}
}
return veto;
}
protected boolean hasPostCommitEventListeners() {
return getSession().getListeners().getPostCommitUpdateEventListeners().length>0;
}
public void doAfterTransactionCompletion(boolean success, SessionImplementor session) throws CacheException {
EntityPersister persister = getPersister();
if ( persister.hasCache() ) {
final CacheKey ck = new CacheKey(
getId(),
persister.getIdentifierType(),
persister.getRootEntityName(),
getSession().getEntityMode(),
getSession().getFactory()
);
if ( success && cacheEntry!=null /*!persister.isCacheInvalidationRequired()*/ ) {
boolean put = persister.getCacheAccessStrategy().afterUpdate( ck, cacheEntry, nextVersion, previousVersion, lock );
if ( put && getSession().getFactory().getStatistics().isStatisticsEnabled() ) {
getSession().getFactory().getStatisticsImplementor().secondLevelCachePut( getPersister().getCacheAccessStrategy().getRegion().getName() );
}
}
else {
persister.getCacheAccessStrategy().unlockItem( ck, lock );
}
}
postCommitUpdate();
}
}