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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
 *
 * 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.transaction;
import java.util.Properties;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;

import org.hibernate.HibernateException;

/**
 * Contract for locating the JTA {@link TransactionManager} on given platform.
 * 

* NOTE: this contract has expanded over time, and basically is a platform * abstraction contract for JTA-related information. * * @author Gavin King */ public interface TransactionManagerLookup { /** * Obtain the JTA {@link TransactionManager}. * * @param props The configuration properties. * @return The JTA {@link TransactionManager}. * * @throws HibernateException Indicates problem locating {@link TransactionManager}. */ public TransactionManager getTransactionManager(Properties props) throws HibernateException; /** * Return the JNDI namespace of the JTA * {@link javax.transaction.UserTransaction} for this platform or null; * optional operation. * * @return The JNDI namespace where we can locate the * {@link javax.transaction.UserTransaction} for this platform. */ public String getUserTransactionName(); /** * Determine an identifier for the given transaction appropriate for use in caching/lookup usages. *

* Generally speaking the transaction itself will be returned here. This method was added specifically * for use in WebSphere and other unfriendly JEE containers (although WebSphere is still the only known * such brain-dead, sales-driven impl). * * @param transaction The transaction to be identified. * @return An appropropriate identifier */ public Object getTransactionIdentifier(Transaction transaction); }





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