private IServicesDecoratorProvider createCancelServiceDecoratorProvider() {
   return HibernateServiceToolkit.cancelServiceDecoratorProviderBuilder("tutorial3PersistenceUnit")
       .build();
 }
 private IServicesDecoratorProvider createJpaServiceDecoratorProvider() {
   final IJpaServicesDecoratorProviderBuilder builder =
       JpaServiceToolkit.serviceDecoratorProviderBuilder("tutorial3PersistenceUnit");
   builder.addExceptionDecorator(HibernateServiceToolkit.exceptionDecorator());
   return builder.build();
 }