CityServiceAspect

@Aspect
@Component
public class CityServiceAspect {
    @Before("execution(* com.example.service.discriminator.CityService.*(..))&& target(cityService) ")
    public void aroundExecution(JoinPoint pjp, CityService cityService) throws Throwable {
        org.hibernate.Filter filter = cityService.entityManager.unwrap(Session.class).enableFilter("tenantFilter");
        filter.setParameter("tenantId", TenantContext.getCurrentTenant());
        filter.validate();
    }
}