/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.transaction.lookup;
import org.infinispan.config.Configuration;
import org.infinispan.factories.annotations.Inject;
import org.infinispan.util.Util;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;
import java.lang.reflect.Method;
/**
* JTA standalone TM lookup.
*
* @author Jason T. Greene
* @since 4.0
*/
public class JBossStandaloneJTAManagerLookup implements TransactionManagerLookup {
private Method manager, user;
private static final Log log = LogFactory.getLog(JBossStandaloneJTAManagerLookup.class);
@Inject
public void init(Configuration configuration) {
// The TM may be deployed embedded alongside the app, so this needs to be looked up on the same CL as the Cache
try {
manager = Util.loadClass("com.arjuna.ats.jta.TransactionManager", configuration.getClassLoader()).getMethod("transactionManager");
user = Util.loadClass("com.arjuna.ats.jta.UserTransaction", configuration.getClassLoader()).getMethod("userTransaction");
} catch (SecurityException e) {
throw new RuntimeException(e);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
@Override
public TransactionManager getTransactionManager() throws Exception {
TransactionManager tm = (TransactionManager) manager.invoke(null);
if (log.isInfoEnabled()) log.retrievingTm(tm);
return tm;
}
public UserTransaction getUserTransaction() throws Exception {
return (UserTransaction) user.invoke(null);
}
}