/*
* 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.factories;
import javax.transaction.TransactionManager;
import org.infinispan.CacheException;
import org.infinispan.factories.annotations.DefaultFactoryFor;
import org.infinispan.transaction.lookup.TransactionManagerLookup;
import org.infinispan.transaction.tm.BatchModeTransactionManager;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;
/**
* Uses a number of mechanisms to retrieve a transaction manager.
*
* @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>)
* @author Galder Zamarreño
* @since 4.0
*/
@DefaultFactoryFor(classes = {TransactionManager.class})
public class TransactionManagerFactory extends AbstractNamedCacheComponentFactory implements AutoInstantiableFactory {
private static final Log log = LogFactory.getLog(TransactionManagerFactory.class);
@Override
public <T> T construct(Class<T> componentType) {
if (!configuration.transaction().transactionMode().isTransactional()) {
return null;
}
// See if we had a TransactionManager injected into our config
TransactionManager transactionManager = null;
if (configuration.invocationBatching().enabled()) {
log.usingBatchModeTransactionManager();
transactionManager = BatchModeTransactionManager.getInstance();
}
if (transactionManager == null) {
TransactionManagerLookup lookup = configuration.transaction().transactionManagerLookup();
try {
if (lookup != null) {
componentRegistry.wireDependencies(lookup);
transactionManager = lookup.getTransactionManager();
}
}
catch (Exception e) {
log.couldNotInstantiateTransactionManager(e);
}
}
if (transactionManager == null) {
throw new CacheException("This is transactional cache but no transaction manager could be found. " +
"Configure the transaction manager lookup properly.");
}
return componentType.cast(transactionManager);
}
}