FunctionalNotificationObserver.h

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#pragma once
#include "NotificationObserver.h"
#include "catapult/functions.h"
 
namespace catapult { namespace observers {
 
    template<typename TNotification>
    class FunctionalNotificationObserverT : public NotificationObserverT<TNotification> {
    private:
        using FunctionType = consumer<const TNotification&, ObserverContext&>;
 
    public:
        explicit FunctionalNotificationObserverT(const std::string& name, const FunctionType& func)
                : m_name(name)
                , m_func(func)
        {}
 
    public:
        const std::string& name() const override {
            return m_name;
        }
 
        void notify(const TNotification& notification, ObserverContext& context) const override {
            return m_func(notification, context);
        }
 
    private:
        std::string m_name;
        FunctionType m_func;
    };
}}