C++ (Cpp) ConcreteSubject::SetState Beispiele

Beispiel #1

Datei: main.cpp Projekt: rsjudge17/design-pattern-impl

int main(int argc, char *argv[])
{
	ConcreteSubject *sub = new ConcreteSubject();
	Observer *o1 = new ConcreteObserverA(sub);
	Observer *o2 = new ConcreteObserverB(sub);
	sub->SetState("old");
	sub->Notify();
	sub->SetState("new"); // 也可以由Observer调用
	sub->Notify();

	return 0;
}

Beispiel #2

Datei: main.cpp Projekt: Magicmay/designMode

int main()
{
	ConcreteSubject* sub = new ConcreteSubject();
	Observer* o1 = new ConcreteObserverA(sub);
	Observer* o2 = new ConcreteObserverB(sub);
	sub->SetState("old");
	sub->Notify();
	sub->SetState("new");
	sub->Notify();
	system("pause");
	return 0;
}

Beispiel #3

Datei: Main.cpp Projekt: lifuxianoa/Mystudy

int main(int argc, char *argv[])
{
    ConcreteSubject *sub = new ConcreteSubject();
    Observer *obs1 = new ConcreteObserverA(sub);
    Observer *obs2 = new ConcreteObserverB(sub);

    sub->SetState("old");
    sub->Notify();
    sub->SetState("new");
    sub->Notify();

    delete obs2;
    delete obs1;
    delete sub;

    return 0;
}

Beispiel #4

Datei: observer_model.cpp Projekt: fafa-npu/Design-Pattern

int main() {
    ConcreteSubject * subject = new ConcreteSubject();
    subject->Attach(new ConcreteObserver(subject, "zhaohua"));
    subject->Attach(new ConcreteObserver(subject, "lichao"));

    subject->SetState("Doc Yang comes here !!!");
    subject->Notify();

    return 0;
}