/*
* 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.ejb.event;
import java.util.Iterator;
import java.util.Map;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.annotations.common.reflection.ReflectionManager;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.ejb.AvailableSettings;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.event.service.spi.DuplicationStrategy;
import org.hibernate.event.service.spi.EventListenerGroup;
import org.hibernate.event.service.spi.EventListenerRegistry;
import org.hibernate.event.spi.EventType;
import org.hibernate.integrator.spi.Integrator;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.metamodel.binding.EntityBinding;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.secure.internal.JACCPreDeleteEventListener;
import org.hibernate.secure.internal.JACCPreInsertEventListener;
import org.hibernate.secure.internal.JACCPreLoadEventListener;
import org.hibernate.secure.internal.JACCPreUpdateEventListener;
import org.hibernate.secure.internal.JACCSecurityListener;
import org.hibernate.service.classloading.spi.ClassLoaderService;
import org.hibernate.service.classloading.spi.ClassLoadingException;
import org.hibernate.service.spi.ServiceRegistryImplementor;
import org.hibernate.service.spi.SessionFactoryServiceRegistry;
/**
* Prepare the HEM-specific event listeners.
*
* @author Steve Ebersole
*/
public class JpaIntegrator implements Integrator {
private static final DuplicationStrategy JPA_DUPLICATION_STRATEGY = new DuplicationStrategy() {
@Override
public boolean areMatch(Object listener, Object original) {
return listener.getClass().equals( original.getClass() ) &&
HibernateEntityManagerEventListener.class.isInstance( original );
}
@Override
public Action getAction() {
return Action.KEEP_ORIGINAL;
}
};
private static final DuplicationStrategy JACC_DUPLICATION_STRATEGY = new DuplicationStrategy() {
@Override
public boolean areMatch(Object listener, Object original) {
return listener.getClass().equals( original.getClass() ) &&
JACCSecurityListener.class.isInstance( original );
}
@Override
public Action getAction() {
return Action.KEEP_ORIGINAL;
}
};
@Override
@SuppressWarnings( {"unchecked"})
public void integrate(
Configuration configuration,
SessionFactoryImplementor sessionFactory,
SessionFactoryServiceRegistry serviceRegistry) {
final EventListenerRegistry eventListenerRegistry = serviceRegistry.getService( EventListenerRegistry.class );
boolean isSecurityEnabled = configuration.getProperties().containsKey( AvailableSettings.JACC_ENABLED );
eventListenerRegistry.addDuplicationStrategy( JPA_DUPLICATION_STRATEGY );
eventListenerRegistry.addDuplicationStrategy( JACC_DUPLICATION_STRATEGY );
// op listeners
eventListenerRegistry.setListeners( EventType.AUTO_FLUSH, EJB3AutoFlushEventListener.INSTANCE );
eventListenerRegistry.setListeners( EventType.DELETE, new EJB3DeleteEventListener() );
eventListenerRegistry.setListeners( EventType.FLUSH_ENTITY, new EJB3FlushEntityEventListener() );
eventListenerRegistry.setListeners( EventType.FLUSH, EJB3FlushEventListener.INSTANCE );
eventListenerRegistry.setListeners( EventType.MERGE, new EJB3MergeEventListener() );
eventListenerRegistry.setListeners( EventType.PERSIST, new EJB3PersistEventListener() );
eventListenerRegistry.setListeners( EventType.PERSIST_ONFLUSH, new EJB3PersistOnFlushEventListener() );
eventListenerRegistry.setListeners( EventType.SAVE, new EJB3SaveEventListener() );
eventListenerRegistry.setListeners( EventType.SAVE_UPDATE, new EJB3SaveOrUpdateEventListener() );
// pre op listeners
if ( isSecurityEnabled ) {
final String jaccContextId = configuration.getProperty( Environment.JACC_CONTEXTID );
eventListenerRegistry.prependListeners( EventType.PRE_DELETE, new JACCPreDeleteEventListener(jaccContextId) );
eventListenerRegistry.prependListeners( EventType.PRE_INSERT, new JACCPreInsertEventListener(jaccContextId) );
eventListenerRegistry.prependListeners( EventType.PRE_UPDATE, new JACCPreUpdateEventListener(jaccContextId) );
eventListenerRegistry.prependListeners( EventType.PRE_LOAD, new JACCPreLoadEventListener(jaccContextId) );
}
// post op listeners
eventListenerRegistry.prependListeners( EventType.POST_DELETE, new EJB3PostDeleteEventListener() );
eventListenerRegistry.prependListeners( EventType.POST_INSERT, new EJB3PostInsertEventListener() );
eventListenerRegistry.prependListeners( EventType.POST_LOAD, new EJB3PostLoadEventListener() );
eventListenerRegistry.prependListeners( EventType.POST_UPDATE, new EJB3PostUpdateEventListener() );
for ( Map.Entry<?,?> entry : configuration.getProperties().entrySet() ) {
if ( ! String.class.isInstance( entry.getKey() ) ) {
continue;
}
final String propertyName = (String) entry.getKey();
if ( ! propertyName.startsWith( AvailableSettings.EVENT_LISTENER_PREFIX ) ) {
continue;
}
final String eventTypeName = propertyName.substring( AvailableSettings.EVENT_LISTENER_PREFIX.length() + 1 );
final EventType eventType = EventType.resolveEventTypeByName( eventTypeName );
final EventListenerGroup eventListenerGroup = eventListenerRegistry.getEventListenerGroup( eventType );
for ( String listenerImpl : ( (String) entry.getValue() ).split( " ," ) ) {
eventListenerGroup.appendListener( instantiate( listenerImpl, serviceRegistry ) );
}
}
final EntityCallbackHandler callbackHandler = new EntityCallbackHandler();
Iterator classes = configuration.getClassMappings();
ReflectionManager reflectionManager = configuration.getReflectionManager();
while ( classes.hasNext() ) {
PersistentClass clazz = (PersistentClass) classes.next();
if ( clazz.getClassName() == null ) {
//we can have non java class persisted by hibernate
continue;
}
try {
callbackHandler.add( reflectionManager.classForName( clazz.getClassName(), this.getClass() ), reflectionManager );
}
catch (ClassNotFoundException e) {
throw new MappingException( "entity class not found: " + clazz.getNodeName(), e );
}
}
for ( EventType eventType : EventType.values() ) {
final EventListenerGroup eventListenerGroup = eventListenerRegistry.getEventListenerGroup( eventType );
for ( Object listener : eventListenerGroup.listeners() ) {
if ( CallbackHandlerConsumer.class.isInstance( listener ) ) {
( (CallbackHandlerConsumer) listener ).setCallbackHandler( callbackHandler );
}
}
}
}
/**
* {@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 ) {
final EventListenerRegistry eventListenerRegistry = serviceRegistry.getService( EventListenerRegistry.class );
boolean isSecurityEnabled = sessionFactory.getProperties().containsKey( AvailableSettings.JACC_ENABLED );
eventListenerRegistry.addDuplicationStrategy( JPA_DUPLICATION_STRATEGY );
eventListenerRegistry.addDuplicationStrategy( JACC_DUPLICATION_STRATEGY );
// op listeners
eventListenerRegistry.setListeners( EventType.AUTO_FLUSH, EJB3AutoFlushEventListener.INSTANCE );
eventListenerRegistry.setListeners( EventType.DELETE, new EJB3DeleteEventListener() );
eventListenerRegistry.setListeners( EventType.FLUSH_ENTITY, new EJB3FlushEntityEventListener() );
eventListenerRegistry.setListeners( EventType.FLUSH, EJB3FlushEventListener.INSTANCE );
eventListenerRegistry.setListeners( EventType.MERGE, new EJB3MergeEventListener() );
eventListenerRegistry.setListeners( EventType.PERSIST, new EJB3PersistEventListener() );
eventListenerRegistry.setListeners( EventType.PERSIST_ONFLUSH, new EJB3PersistOnFlushEventListener() );
eventListenerRegistry.setListeners( EventType.SAVE, new EJB3SaveEventListener() );
eventListenerRegistry.setListeners( EventType.SAVE_UPDATE, new EJB3SaveOrUpdateEventListener() );
// pre op listeners
if ( isSecurityEnabled ) {
final String jaccContextId = sessionFactory.getProperties().getProperty( Environment.JACC_CONTEXTID );
eventListenerRegistry.prependListeners( EventType.PRE_DELETE, new JACCPreDeleteEventListener(jaccContextId) );
eventListenerRegistry.prependListeners( EventType.PRE_INSERT, new JACCPreInsertEventListener(jaccContextId) );
eventListenerRegistry.prependListeners( EventType.PRE_UPDATE, new JACCPreUpdateEventListener(jaccContextId) );
eventListenerRegistry.prependListeners( EventType.PRE_LOAD, new JACCPreLoadEventListener(jaccContextId) );
}
// post op listeners
eventListenerRegistry.prependListeners( EventType.POST_DELETE, new EJB3PostDeleteEventListener() );
eventListenerRegistry.prependListeners( EventType.POST_INSERT, new EJB3PostInsertEventListener() );
eventListenerRegistry.prependListeners( EventType.POST_LOAD, new EJB3PostLoadEventListener() );
eventListenerRegistry.prependListeners( EventType.POST_UPDATE, new EJB3PostUpdateEventListener() );
for ( Map.Entry<?,?> entry : sessionFactory.getProperties().entrySet() ) {
if ( ! String.class.isInstance( entry.getKey() ) ) {
continue;
}
final String propertyName = (String) entry.getKey();
if ( ! propertyName.startsWith( AvailableSettings.EVENT_LISTENER_PREFIX ) ) {
continue;
}
final String eventTypeName = propertyName.substring( AvailableSettings.EVENT_LISTENER_PREFIX.length() + 1 );
final EventType eventType = EventType.resolveEventTypeByName( eventTypeName );
final EventListenerGroup eventListenerGroup = eventListenerRegistry.getEventListenerGroup( eventType );
for ( String listenerImpl : ( (String) entry.getValue() ).split( " ," ) ) {
eventListenerGroup.appendListener( instantiate( listenerImpl, serviceRegistry ) );
}
}
final EntityCallbackHandler callbackHandler = new EntityCallbackHandler();
ClassLoaderService classLoaderSvc = serviceRegistry.getService(ClassLoaderService.class);
for (EntityBinding binding : metadata.getEntityBindings()) {
String name = binding.getEntity().getName(); // Should this be getClassName()?
if (name == null) {
//we can have non java class persisted by hibernate
continue;
}
try {
callbackHandler.add(classLoaderSvc.classForName(name), classLoaderSvc, binding);
} catch (ClassLoadingException error) {
throw new MappingException( "entity class not found: " + name, error );
}
}
//
// for ( EventType eventType : EventType.values() ) {
// final EventListenerGroup eventListenerGroup = eventListenerRegistry.getEventListenerGroup( eventType );
// for ( Object listener : eventListenerGroup.listeners() ) {
// if ( CallbackHandlerConsumer.class.isInstance( listener ) ) {
// ( (CallbackHandlerConsumer) listener ).setCallbackHandler( callbackHandler );
// }
// }
// }
}
@Override
public void disintegrate(SessionFactoryImplementor sessionFactory, SessionFactoryServiceRegistry serviceRegistry) {
}
private Object instantiate(String listenerImpl, ServiceRegistryImplementor serviceRegistry) {
try {
return serviceRegistry.getService( ClassLoaderService.class ).classForName( listenerImpl ).newInstance();
}
catch (Exception e) {
throw new HibernateException( "Could not instantiate requested listener [" + listenerImpl + "]", e );
}
}
}