Examples of org.hornetq.api.jms.management.TopicControl.countMessagesForSubscription()

            } else if (COUNT_MESSAGES_FOR_SUBSCRIPTION.equals(operationName)) {
                countMessagesForSubscriptionValidator.validate(operation);
                String clientId = operation.require(CLIENT_ID.getName()).asString();
                String subscriptionName = operation.require(SUBSCRIPTION_NAME).asString();
                String filter = operation.hasDefined(FILTER.getName()) ? operation.get(FILTER.getName()).asString() : null;
                context.getResult().set(control.countMessagesForSubscription(clientId, subscriptionName, filter));
            } else if (DROP_DURABLE_SUBSCRIPTION.equals(operationName)) {
                dropDurableSubscriptionValidator.validate(operation);
                String clientId = operation.require(CLIENT_ID.getName()).asString();
                String subscriptionName = operation.require(SUBSCRIPTION_NAME).asString();
                control.dropDurableSubscription(clientId, subscriptionName);

            } else if (JMSTopicDefinition.COUNT_MESSAGES_FOR_SUBSCRIPTION.equals(operationName)) {
                countMessagesForSubscriptionValidator.validate(operation);
                String clientId = operation.require(CLIENT_ID.getName()).asString();
                String subscriptionName = operation.require(JMSTopicDefinition.SUBSCRIPTION_NAME).asString();
                String filter = operation.hasDefined(FILTER.getName()) ? operation.get(FILTER.getName()).asString() : null;
                context.getResult().set(control.countMessagesForSubscription(clientId, subscriptionName, filter));
            } else if (JMSTopicDefinition.DROP_DURABLE_SUBSCRIPTION.equals(operationName)) {
                dropDurableSubscriptionValidator.validate(operation);
                String clientId = operation.require(CLIENT_ID.getName()).asString();
                String subscriptionName = operation.require(JMSTopicDefinition.SUBSCRIPTION_NAME).asString();
                control.dropDurableSubscription(clientId, subscriptionName);