/*
* 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.service.jta.platform.internal;
import java.lang.reflect.Method;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.service.jta.platform.spi.JtaPlatformException;
import org.jboss.logging.Logger;
/**
* JTA platform implementation for WebSphere (versions 4, 5.0 and 5.1)
*
* @author Gavin King
* @author Steve Ebersole
*/
public class WebSphereJtaPlatform extends AbstractJtaPlatform {
private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class, WebSphereJtaPlatform.class.getName());
public static final String VERSION_5_UT_NAME = "java:comp/UserTransaction";
public static final String VERSION_4_UT_NAME = "jta/usertransaction";
private final Class transactionManagerAccessClass;
private final int webSphereVersion;
public WebSphereJtaPlatform() {
try {
Class clazz;
int version;
try {
clazz = Class.forName( "com.ibm.ws.Transaction.TransactionManagerFactory" );
version = 5;
LOG.debug("WebSphere 5.1");
}
catch ( Exception e ) {
try {
clazz = Class.forName( "com.ibm.ejs.jts.jta.TransactionManagerFactory" );
version = 5;
LOG.debug("WebSphere 5.0");
}
catch ( Exception e2 ) {
clazz = Class.forName( "com.ibm.ejs.jts.jta.JTSXA" );
version = 4;
LOG.debug("WebSphere 4");
}
}
transactionManagerAccessClass = clazz;
webSphereVersion = version;
}
catch ( Exception e ) {
throw new JtaPlatformException( "Could not locate WebSphere TransactionManager access class", e );
}
}
@Override
protected TransactionManager locateTransactionManager() {
try {
final Method method = transactionManagerAccessClass.getMethod( "getTransactionManager" );
return ( TransactionManager ) method.invoke( null );
}
catch ( Exception e ) {
throw new JtaPlatformException( "Could not obtain WebSphere TransactionManager", e );
}
}
@Override
protected UserTransaction locateUserTransaction() {
final String utName = webSphereVersion == 5 ? VERSION_5_UT_NAME : VERSION_4_UT_NAME;
return (UserTransaction) jndiService().locate( utName );
}
}