public EntityManagerFactoryImpl(SessionFactory sessionFactory,
    PersistenceUnitTransactionType transactionType,
    boolean discardOnClose) 
{
		this.sessionFactory = sessionFactory;
		this.transactionType = transactionType;
		this.discardOnClose = discardOnClose;
}

 public  void close() 
{
		sessionFactory.close();
}

 public EntityManager createEntityManager() 
{
		return createEntityManager( null );
}

 public EntityManager createEntityManager(Map map) 
{
		//TODO support discardOnClose, persistencecontexttype?, interceptor,
		return new EntityManagerImpl(
				sessionFactory, PersistenceContextType.EXTENDED, transactionType, discardOnClose, map
		);
}

 public SessionFactory getSessionFactory() 
{
		return sessionFactory;
}

 public boolean isOpen() 
{
		return ! sessionFactory.isClosed();
}