Hibernate SessionFactory buildSessionFactory deprecated fix

Fix for Hibernate SessionFactory buildSessionFactory deprecation as of Hibernate 4.0 

private static SessionFactory sessionFactory;

private static ServiceRegistry serviceRegistry;

private static SessionFactory configureSessionFactory() throws HibernateException {

   Configuration configuration = new Configuration();

   configuration.configure();

   serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();        

   sessionFactory = configuration.buildSessionFactory(serviceRegistry);

   return sessionFactory;

}