/*
    * (C) Copyright 1989-2012 Trend Micro, Inc.
    * All Rights Reserved.
    *
    * This program is an unpublished copyrighted work which is proprietary
    * to Trend Micro, Inc. and contains confidential information that is not
    * to be reproduced or disclosed to any other person or entity without
    * prior written consent from Trend Micro, Inc. in each and every instance.
    *
   * WARNING:  Unauthorized reproduction of this program as well as
   * unauthorized preparation of derivative works based upon the
   * program or distribution of copies by sale, rental, lease or
   * lending are violations of federal copyright laws and state trade
   * secret laws, punishable by civil and criminal penalties.
   */
  package org.hibernate.transaction;
  
  import java.util.Properties;
  
  import javax.transaction.TransactionManager;
  import javax.transaction.Transaction;
  
  import org.hibernate.HibernateException;
  
  /**
   * TransactionManager lookup strategy for BTM
   *
   * @author Ludovic Orban
   */
  public class BTMTransactionManagerLookup implements TransactionManagerLookup {
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public TransactionManager getTransactionManager(Properties props) throws HibernateException {
  		try {
  			Class clazz = Class.forName("bitronix.tm.TransactionManagerServices");
  			return (TransactionManager) clazz.getMethod("getTransactionManager", null).invoke(null, null);
  		}
  		catch (Exception e) {
  			throw new HibernateException( "Could not obtain BTM transaction manager instance", e );
  		}
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public String getUserTransactionName() {
  		return "java:comp/UserTransaction";
  	}
  
  	/**
  	 * {@inheritDoc}
  	 */
  	public Object getTransactionIdentifier(Transaction transaction) {
  		return transaction;
  	}
  }