org.hibernate.transaction.TransactionFactoryFactory Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.transaction;
import java.util.Properties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.hibernate.HibernateException;
import org.hibernate.cfg.Environment;
import org.hibernate.util.ReflectHelper;
/**
* Helper for creating {@link TransactionFactory} instances.
*
* @author Gavin King
*/
public final class TransactionFactoryFactory {
private static final Logger log = LoggerFactory.getLogger( TransactionFactoryFactory.class );
/**
* Create an appropriate transaction factory based on the given configuration
* properties.
*
* @param transactionProps transaction properties
*
* @return The appropriate transaction factory.
*
* @throws HibernateException Indicates a problem creating the appropriate
* transaction factory.
*/
public static TransactionFactory buildTransactionFactory(Properties transactionProps) throws HibernateException {
String strategyClassName = transactionProps.getProperty( Environment.TRANSACTION_STRATEGY );
if ( strategyClassName == null ) {
log.info( "Using default transaction strategy (direct JDBC transactions)" );
return new JDBCTransactionFactory();
}
log.info( "Transaction strategy: " + strategyClassName );
TransactionFactory factory;
try {
factory = ( TransactionFactory ) ReflectHelper.classForName( strategyClassName ).newInstance();
}
catch ( ClassNotFoundException e ) {
log.error( "TransactionFactory class not found", e );
throw new HibernateException( "TransactionFactory class not found: " + strategyClassName );
}
catch ( IllegalAccessException e ) {
log.error( "Failed to instantiate TransactionFactory", e );
throw new HibernateException( "Failed to instantiate TransactionFactory: " + e );
}
catch ( java.lang.InstantiationException e ) {
log.error( "Failed to instantiate TransactionFactory", e );
throw new HibernateException( "Failed to instantiate TransactionFactory: " + e );
}
factory.configure( transactionProps );
return factory;
}
/**
* Disallow instantiation
*/
private TransactionFactoryFactory() {
}
}