/* * 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; } } }