15 lines
293 B
C++
15 lines
293 B
C++
#pragma once
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#include "Observer.h"
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#include <vector>
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class Subject
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{
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protected:
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std::vector<Observer*> _observers;
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public:
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virtual void attach(Observer* observer) = 0;
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virtual void detach(Observer* observer) = 0;
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virtual void notify() = 0;
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}; |