/*
* 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.persister.internal;
import java.util.Map;
import org.hibernate.boot.registry.StandardServiceInitiator;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.persister.spi.PersisterFactory;
import org.hibernate.service.spi.ServiceException;
import org.hibernate.service.spi.ServiceRegistryImplementor;
/**
* @author Steve Ebersole
*/
public class PersisterFactoryInitiator implements StandardServiceInitiator<PersisterFactory> {
public static final PersisterFactoryInitiator INSTANCE = new PersisterFactoryInitiator();
public static final String IMPL_NAME = "hibernate.persister.factory";
@Override
public Class<PersisterFactory> getServiceInitiated() {
return PersisterFactory.class;
}
@Override
@SuppressWarnings( {"unchecked"})
public PersisterFactory initiateService(Map configurationValues, ServiceRegistryImplementor registry) {
final Object customImpl = configurationValues.get( IMPL_NAME );
if ( customImpl == null ) {
return new PersisterFactoryImpl();
}
if ( PersisterFactory.class.isInstance( customImpl ) ) {
return (PersisterFactory) customImpl;
}
final Class<? extends PersisterFactory> customImplClass = Class.class.isInstance( customImpl )
? ( Class<? extends PersisterFactory> ) customImpl
: locate( registry, customImpl.toString() );
try {
return customImplClass.newInstance();
}
catch (Exception e) {
throw new ServiceException( "Could not initialize custom PersisterFactory impl [" + customImplClass.getName() + "]", e );
}
}
private Class<? extends PersisterFactory> locate(ServiceRegistryImplementor registry, String className) {
return registry.getService( ClassLoaderService.class ).classForName( className );
}
}