clock_tick.h

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// Based on "Design Patterns: Elements of Reusable Object-Oriented Software"
// book by Erich Gamma, John Vlissides, Ralph Johnson, and Richard Helm 
//
// Created by Bartosz Rachwal. The National Institute of Advanced Industrial Science and Technology, Japan.

#ifndef OPERATIONAL_OBSERVER_CLOCK_TICK_H_
#define OPERATIONAL_OBSERVER_CLOCK_TICK_H_

#include "clock_tick_observer.h"
#include "clock_tick_interface.h"

#include "../iterator/list.h"

namespace operational
{
namespace observer
{
class ClockTick : public ClockTickInterface
{
    public:
    ClockTick();
    ~ClockTick() override;

    virtual void Attach(ClockTickObserver*) override;
    virtual void Detach(ClockTickObserver*) override;
    virtual void Notify() override;

    private:
    iterator::List<ClockTickObserver*>* observers_;
};
}
}

#endif