SessionFactory

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;
 }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }