/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008-2011, 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.persister.internal;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.cache.spi.access.CollectionRegionAccessStrategy;
import org.hibernate.cache.spi.access.EntityRegionAccessStrategy;
import org.hibernate.cfg.Configuration;
import org.hibernate.engine.spi.Mapping;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.mapping.Collection;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.metamodel.binding.AbstractPluralAttributeBinding;
import org.hibernate.metamodel.binding.EntityBinding;
import org.hibernate.metamodel.binding.PluralAttributeBinding;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.persister.collection.CollectionPersister;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.persister.spi.PersisterClassResolver;
import org.hibernate.persister.spi.PersisterFactory;
import org.hibernate.service.spi.ServiceRegistryAwareService;
import org.hibernate.service.spi.ServiceRegistryImplementor;
/**
* The standard Hibernate {@link PersisterFactory} implementation
*
* @author Gavin King
* @author Steve Ebersole
*/
public final class PersisterFactoryImpl implements PersisterFactory, ServiceRegistryAwareService {
/**
* The constructor signature for {@link EntityPersister} implementations
*
* @todo make EntityPersister *not* depend on {@link SessionFactoryImplementor} if possible.
*/
public static final Class[] ENTITY_PERSISTER_CONSTRUCTOR_ARGS = new Class[] {
PersistentClass.class,
EntityRegionAccessStrategy.class,
SessionFactoryImplementor.class,
Mapping.class
};
/**
* The constructor signature for {@link EntityPersister} implementations using
* an {@link EntityBinding}.
*
* @todo make EntityPersister *not* depend on {@link SessionFactoryImplementor} if possible.
* @todo change ENTITY_PERSISTER_CONSTRUCTOR_ARGS_NEW to ENTITY_PERSISTER_CONSTRUCTOR_ARGS
* when new metamodel is integrated
*/
public static final Class[] ENTITY_PERSISTER_CONSTRUCTOR_ARGS_NEW = new Class[] {
EntityBinding.class,
EntityRegionAccessStrategy.class,
SessionFactoryImplementor.class,
Mapping.class
};
/**
* The constructor signature for {@link CollectionPersister} implementations
*
* @todo still need to make collection persisters EntityMode-aware
* @todo make EntityPersister *not* depend on {@link SessionFactoryImplementor} if possible.
*/
private static final Class[] COLLECTION_PERSISTER_CONSTRUCTOR_ARGS = new Class[] {
Collection.class,
CollectionRegionAccessStrategy.class,
Configuration.class,
SessionFactoryImplementor.class
};
/**
* The constructor signature for {@link CollectionPersister} implementations using
* a {@link org.hibernate.metamodel.binding.AbstractPluralAttributeBinding}
*
* @todo still need to make collection persisters EntityMode-aware
* @todo make EntityPersister *not* depend on {@link SessionFactoryImplementor} if possible.
* @todo change COLLECTION_PERSISTER_CONSTRUCTOR_ARGS_NEW to COLLECTION_PERSISTER_CONSTRUCTOR_ARGS
* when new metamodel is integrated
*/
private static final Class[] COLLECTION_PERSISTER_CONSTRUCTOR_ARGS_NEW = new Class[] {
AbstractPluralAttributeBinding.class,
CollectionRegionAccessStrategy.class,
MetadataImplementor.class,
SessionFactoryImplementor.class
};
private ServiceRegistryImplementor serviceRegistry;
@Override
public void injectServices(ServiceRegistryImplementor serviceRegistry) {
this.serviceRegistry = serviceRegistry;
}
@Override
@SuppressWarnings( {"unchecked"})
public EntityPersister createEntityPersister(
PersistentClass metadata,
EntityRegionAccessStrategy cacheAccessStrategy,
SessionFactoryImplementor factory,
Mapping cfg) {
Class<? extends EntityPersister> persisterClass = metadata.getEntityPersisterClass();
if ( persisterClass == null ) {
persisterClass = serviceRegistry.getService( PersisterClassResolver.class ).getEntityPersisterClass( metadata );
}
return create( persisterClass, ENTITY_PERSISTER_CONSTRUCTOR_ARGS, metadata, cacheAccessStrategy, factory, cfg );
}
@Override
@SuppressWarnings( {"unchecked"})
public EntityPersister createEntityPersister(EntityBinding metadata,
EntityRegionAccessStrategy cacheAccessStrategy,
SessionFactoryImplementor factory,
Mapping cfg) {
Class<? extends EntityPersister> persisterClass = metadata.getCustomEntityPersisterClass();
if ( persisterClass == null ) {
persisterClass = serviceRegistry.getService( PersisterClassResolver.class ).getEntityPersisterClass( metadata );
}
return create( persisterClass, ENTITY_PERSISTER_CONSTRUCTOR_ARGS_NEW, metadata, cacheAccessStrategy, factory, cfg );
}
// TODO: change metadata arg type to EntityBinding when new metadata is integrated
private static EntityPersister create(
Class<? extends EntityPersister> persisterClass,
Class[] persisterConstructorArgs,
Object metadata,
EntityRegionAccessStrategy cacheAccessStrategy,
SessionFactoryImplementor factory,
Mapping cfg) throws HibernateException {
try {
Constructor<? extends EntityPersister> constructor = persisterClass.getConstructor( persisterConstructorArgs );
try {
return constructor.newInstance( metadata, cacheAccessStrategy, factory, cfg );
}
catch (MappingException e) {
throw e;
}
catch (InvocationTargetException e) {
Throwable target = e.getTargetException();
if ( target instanceof HibernateException ) {
throw (HibernateException) target;
}
else {
throw new MappingException( "Could not instantiate persister " + persisterClass.getName(), target );
}
}
catch (Exception e) {
throw new MappingException( "Could not instantiate persister " + persisterClass.getName(), e );
}
}
catch (MappingException e) {
throw e;
}
catch (Exception e) {
throw new MappingException( "Could not get constructor for " + persisterClass.getName(), e );
}
}
@Override
@SuppressWarnings( {"unchecked"})
public CollectionPersister createCollectionPersister(
Configuration cfg,
Collection collectionMetadata,
CollectionRegionAccessStrategy cacheAccessStrategy,
SessionFactoryImplementor factory) throws HibernateException {
Class<? extends CollectionPersister> persisterClass = collectionMetadata.getCollectionPersisterClass();
if ( persisterClass == null ) {
persisterClass = serviceRegistry.getService( PersisterClassResolver.class ).getCollectionPersisterClass( collectionMetadata );
}
return create( persisterClass, COLLECTION_PERSISTER_CONSTRUCTOR_ARGS, cfg, collectionMetadata, cacheAccessStrategy, factory );
}
@Override
@SuppressWarnings( {"unchecked"})
public CollectionPersister createCollectionPersister(
MetadataImplementor metadata,
PluralAttributeBinding collectionMetadata,
CollectionRegionAccessStrategy cacheAccessStrategy,
SessionFactoryImplementor factory) throws HibernateException {
Class<? extends CollectionPersister> persisterClass = collectionMetadata.getCollectionPersisterClass();
if ( persisterClass == null ) {
persisterClass = serviceRegistry.getService( PersisterClassResolver.class ).getCollectionPersisterClass( collectionMetadata );
}
return create( persisterClass, COLLECTION_PERSISTER_CONSTRUCTOR_ARGS_NEW, metadata, collectionMetadata, cacheAccessStrategy, factory );
}
// TODO: change collectionMetadata arg type to AbstractPluralAttributeBinding when new metadata is integrated
// TODO: change metadata arg type to MetadataImplementor when new metadata is integrated
private static CollectionPersister create(
Class<? extends CollectionPersister> persisterClass,
Class[] persisterConstructorArgs,
Object cfg,
Object collectionMetadata,
CollectionRegionAccessStrategy cacheAccessStrategy,
SessionFactoryImplementor factory) throws HibernateException {
try {
Constructor<? extends CollectionPersister> constructor = persisterClass.getConstructor( persisterConstructorArgs );
try {
return constructor.newInstance( collectionMetadata, cacheAccessStrategy, cfg, factory );
}
catch (MappingException e) {
throw e;
}
catch (InvocationTargetException e) {
Throwable target = e.getTargetException();
if ( target instanceof HibernateException ) {
throw (HibernateException) target;
}
else {
throw new MappingException( "Could not instantiate collection persister " + persisterClass.getName(), target );
}
}
catch (Exception e) {
throw new MappingException( "Could not instantiate collection persister " + persisterClass.getName(), e );
}
}
catch (MappingException e) {
throw e;
}
catch (Exception e) {
throw new MappingException( "Could not get constructor for " + persisterClass.getName(), e );
}
}
}