/*
* 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.engine.jdbc.batch.internal;
import java.util.Map;
import org.hibernate.boot.registry.StandardServiceInitiator;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.cfg.Environment;
import org.hibernate.engine.jdbc.batch.spi.BatchBuilder;
import org.hibernate.internal.util.config.ConfigurationHelper;
import org.hibernate.service.spi.ServiceException;
import org.hibernate.service.spi.ServiceRegistryImplementor;
/**
* Initiator for the {@link BatchBuilder} service
*
* @author Steve Ebersole
*/
public class BatchBuilderInitiator implements StandardServiceInitiator<BatchBuilder> {
/**
* Singleton access
*/
public static final BatchBuilderInitiator INSTANCE = new BatchBuilderInitiator();
/**
* Names the BatchBuilder implementation to use.
*/
public static final String BUILDER = "hibernate.jdbc.batch.builder";
@Override
public Class<BatchBuilder> getServiceInitiated() {
return BatchBuilder.class;
}
@Override
public BatchBuilder initiateService(Map configurationValues, ServiceRegistryImplementor registry) {
final Object builder = configurationValues.get( BUILDER );
if ( builder == null ) {
return new BatchBuilderImpl(
ConfigurationHelper.getInt( Environment.STATEMENT_BATCH_SIZE, configurationValues, 1 )
);
}
if ( BatchBuilder.class.isInstance( builder ) ) {
return (BatchBuilder) builder;
}
final String builderClassName = builder.toString();
try {
return (BatchBuilder) registry.getService( ClassLoaderService.class ).classForName( builderClassName ).newInstance();
}
catch (Exception e) {
throw new ServiceException( "Could not build explicit BatchBuilder [" + builderClassName + "]", e );
}
}
}