org.hibernate.persister.internal.PersisterClassResolverInitiator Maven / Gradle / Ivy
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Hibernate's core ORM functionality
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
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.PersisterClassResolver;
import org.hibernate.service.spi.ServiceException;
import org.hibernate.service.spi.ServiceRegistryImplementor;
/**
* @author Steve Ebersole
*/
public class PersisterClassResolverInitiator implements StandardServiceInitiator {
public static final PersisterClassResolverInitiator INSTANCE = new PersisterClassResolverInitiator();
public static final String IMPL_NAME = "hibernate.persister.resolver";
@Override
public Class getServiceInitiated() {
return PersisterClassResolver.class;
}
@Override
@SuppressWarnings( {"unchecked"})
public PersisterClassResolver initiateService(Map configurationValues, ServiceRegistryImplementor registry) {
final Object customImpl = configurationValues.get( IMPL_NAME );
if ( customImpl == null ) {
return new StandardPersisterClassResolver();
}
if ( PersisterClassResolver.class.isInstance( customImpl ) ) {
return (PersisterClassResolver) customImpl;
}
final Class customImplClass = Class.class.isInstance( customImpl )
? (Class) customImpl
: locate( registry, customImpl.toString() );
try {
return customImplClass.newInstance();
}
catch (Exception e) {
throw new ServiceException( "Could not initialize custom PersisterClassResolver impl [" + customImplClass.getName() + "]", e );
}
}
private Class locate(ServiceRegistryImplementor registry, String className) {
return registry.getService( ClassLoaderService.class ).classForName( className );
}
}