/* * Hibernate, Relational Persistence for Idiomatic Java * * Copyright (c) 2007, Red Hat, Inc. and/or it's affiliates 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. and/or it's affiliates. * * 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.cache.infinispan.util; import java.util.concurrent.Callable; import javax.transaction.Status; import javax.transaction.TransactionManager; /** * Helper for dealing with Infinisan cache instances. * * @author Galder Zamarreño * @since 3.5 */ public class CacheHelper { /** * Disallow external instantiation of CacheHelper. */ private CacheHelper() { } public static <T> T withinTx(TransactionManager tm, Callable<T> c) throws Exception { tm.begin(); try { return c.call(); } catch (Exception e) { tm.setRollbackOnly(); throw e; } finally { if (tm.getStatus() == Status.STATUS_ACTIVE) tm.commit(); else tm.rollback(); } } }