trigger.h

#ifndef TRIGGER_H
#define TRIGGER_H
 
#include <functional>
 
namespace ara
{
    namespace sm
    {
        using TriggerHandler = std::function<void()>;
 
        template <typename T>
        class Trigger
        {
        private:
            T &mState;
            TriggerHandler mHandler;
 
        public:
            Trigger(T &state, TriggerHandler handler) : mState{state},
                                                        mHandler{handler}
            {
            }
 
            Trigger() = delete;
            ~Trigger() noexcept = default;
            Trigger(const Trigger &) = delete;
            Trigger(Trigger &&) = delete;
            Trigger &operator=(const Trigger &) = delete;
            Trigger &operator=(Trigger &&) = delete;
 
            void Write(T state)
            {
                mState = state;
                mHandler();
            }
        };
    }
}
 
#endif