48 lines
887 B
C++
48 lines
887 B
C++
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#ifndef OBSERVER_HPP
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#define OBSERVER_HPP
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#include <string>
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#include <list>
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#include <iostream>
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#include "observer.hpp"
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class Observer;
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class Subject {
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public:
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Subject(std::string name_) : name(name_) {}
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virtual ~Subject() { std::cout << name << " subject destroyed\n";}
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void Attach(Observer * o) { observerList.push_back(o);}
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void Detach(Observer * o) { observerList.remove(o);}
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void Notify();
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void SendMessage(std::string message_);
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inline std::string getName() const { return name;}
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private:
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std::list<Observer *> observerList;
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std::string message, name;
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};
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/******************************************************************************/
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// Observer
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class Observer {
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public:
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Observer(Subject &s);
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void Update(std::string &message);
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void Detach();
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private:
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Subject &subject;
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int number;
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static int totalObservers;
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};
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#endif // OBSERVER_HPP
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