/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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.envers.event.spi;
import org.jboss.logging.Logger;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.cfg.Configuration;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.envers.configuration.spi.AuditConfiguration;
import org.hibernate.event.service.spi.EventListenerRegistry;
import org.hibernate.event.spi.EventType;
import org.hibernate.integrator.spi.Integrator;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.config.ConfigurationHelper;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.service.spi.SessionFactoryServiceRegistry;
/**
* Provides integration for Envers into Hibernate, which mainly means registering the proper event listeners.
*
* @author Steve Ebersole
*/
public class EnversIntegrator implements Integrator {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(
CoreMessageLogger.class,
EnversIntegrator.class.getName()
);
/**
* The name of a configuration setting that can be used to control whether auto registration of envers listeners
* should happen or not. Default is true
*/
public static final String AUTO_REGISTER = "hibernate.listeners.envers.autoRegister";
private AuditConfiguration enversConfiguration;
@Override
public void integrate(
Configuration configuration,
SessionFactoryImplementor sessionFactory,
SessionFactoryServiceRegistry serviceRegistry) {
final boolean autoRegister = ConfigurationHelper.getBoolean(
AUTO_REGISTER,
configuration.getProperties(),
true
);
if ( !autoRegister ) {
LOG.debug( "Skipping Envers listener auto registration" );
return;
}
final EventListenerRegistry listenerRegistry = serviceRegistry.getService( EventListenerRegistry.class );
listenerRegistry.addDuplicationStrategy( EnversListenerDuplicationStrategy.INSTANCE );
enversConfiguration = AuditConfiguration.getFor(
configuration,
serviceRegistry.getService(
ClassLoaderService.class
)
);
if ( enversConfiguration.getEntCfg().hasAuditedEntities() ) {
listenerRegistry.appendListeners(
EventType.POST_DELETE, new EnversPostDeleteEventListenerImpl(
enversConfiguration
)
);
listenerRegistry.appendListeners(
EventType.POST_INSERT, new EnversPostInsertEventListenerImpl(
enversConfiguration
)
);
listenerRegistry.appendListeners(
EventType.POST_UPDATE, new EnversPostUpdateEventListenerImpl(
enversConfiguration
)
);
listenerRegistry.appendListeners(
EventType.POST_COLLECTION_RECREATE,
new EnversPostCollectionRecreateEventListenerImpl( enversConfiguration )
);
listenerRegistry.appendListeners(
EventType.PRE_COLLECTION_REMOVE,
new EnversPreCollectionRemoveEventListenerImpl( enversConfiguration )
);
listenerRegistry.appendListeners(
EventType.PRE_COLLECTION_UPDATE,
new EnversPreCollectionUpdateEventListenerImpl( enversConfiguration )
);
}
}
@Override
public void disintegrate(SessionFactoryImplementor sessionFactory, SessionFactoryServiceRegistry serviceRegistry) {
if ( enversConfiguration != null ) {
enversConfiguration.destroy();
}
}
/**
* {@inheritDoc}
*
* @see org.hibernate.integrator.spi.Integrator#integrate(org.hibernate.metamodel.source.MetadataImplementor, org.hibernate.engine.spi.SessionFactoryImplementor, org.hibernate.service.spi.SessionFactoryServiceRegistry)
*/
@Override
public void integrate(
MetadataImplementor metadata,
SessionFactoryImplementor sessionFactory,
SessionFactoryServiceRegistry serviceRegistry) {
// TODO: implement
}
}