ValidatingNotificationSubscriber.h

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#pragma once
#include "AggregateValidationResult.h"
#include "ValidatorTypes.h"
#include "catapult/model/NotificationSubscriber.h"
 
namespace catapult { namespace validators {
 
    class ValidatingNotificationSubscriber : public model::NotificationSubscriber {
    public:
        explicit ValidatingNotificationSubscriber(const stateless::NotificationValidator& validator)
                : m_validator(validator)
                , m_result(ValidationResult::Success)
        {}
 
    public:
        ValidationResult result() const {
            return m_result;
        }
 
    public:
        void notify(const model::Notification& notification) override {
            if (!IsSet(notification.Type, model::NotificationChannel::Validator))
                return;
 
            if (IsValidationResultFailure(m_result))
                return;
 
            auto result = m_validator.validate(notification);
            AggregateValidationResult(m_result, result);
        }
 
    private:
        const stateless::NotificationValidator& m_validator;
        ValidationResult m_result;
    };
}}