/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.jboss.as.txn.ee.concurrency;
import org.glassfish.enterprise.concurrent.spi.TransactionHandle;
import org.glassfish.enterprise.concurrent.spi.TransactionSetupProvider;
import org.jboss.as.txn.logging.TransactionLogger;
import javax.enterprise.concurrent.ManagedTask;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
/**
* The transaction setup provider handles transaction suspend/resume.
*
* @author Eduardo Martins
*/
public class TransactionSetupProviderImpl implements TransactionSetupProvider {
private final transient TransactionManager transactionManager;
/**
* @param transactionManager
*/
public TransactionSetupProviderImpl(TransactionManager transactionManager) {
this.transactionManager = transactionManager;
}
@Override
public TransactionHandle beforeProxyMethod(String transactionExecutionProperty) {
Transaction transaction = null;
if (!ManagedTask.USE_TRANSACTION_OF_EXECUTION_THREAD.equals(transactionExecutionProperty)) {
try {
transaction = transactionManager.suspend();
} catch (Throwable e) {
TransactionLogger.ROOT_LOGGER.debug("failed to suspend transaction",e);
}
}
return new TransactionHandleImpl(transaction);
}
@Override
public void afterProxyMethod(TransactionHandle transactionHandle, String transactionExecutionProperty) {
final Transaction transaction = ((TransactionHandleImpl) transactionHandle).getTransaction();
if (transaction != null) {
try {
transactionManager.resume(transaction);
} catch (Throwable e) {
TransactionLogger.ROOT_LOGGER.debug("failed to resume transaction",e);
}
}
}
private static class TransactionHandleImpl implements TransactionHandle {
private final Transaction transaction;
private TransactionHandleImpl(Transaction transaction) {
this.transaction = transaction;
}
public Transaction getTransaction() {
return transaction;
}
}
}