+ args = list()
+ args.append(getattr(Subscription, 'callback')
+ == subscriptionDto['callback'])
+ args.append(getattr(Subscription, 'filter') == filter)
+ args.append(getattr(Subscription,
+ 'consumerSubscriptionId') == consumer_subs_id)
+ count, _ = uow.subscriptions.list_with_count(*args)
+ if count > 0:
+ raise BadRequestException("The value of parameters is duplicated")