int main(int argc, char* argv[]) {
ConcreteSubject* sub = new ConcreteSubject();
Observer* o1 = new ConcreteObserverA(sub);
Observer* o2 = new ConcreteObserverB(sub);
o1->PrintInfo();
o2->PrintInfo();
sub->SetState("old");
sub->Notify();
o1->PrintInfo();
o2->PrintInfo();
sub->SetState("new");
sub->Notify();
o1->PrintInfo();
o2->PrintInfo();
delete o1;
delete o2;
delete sub;
return 0;
}
int main()
{
ConcreteSubject* s = new ConcreteSubject(100);
s->attach(new ConcreteObserver("20160701",s));
s->attach(new ConcreteObserver("20160705",s));
s->setState(200);
s->notify();
return 0;
}
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;
}
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;
}
int main(){
int i=1;
ConcreteSubject * CS = new ConcreteSubject();
Observer *o1 = new hexObser(CS);
Observer *o2 = new octObser(CS);
Observer *o3 = new binObser(CS);
do{
CS->setStatus(i);
cout << endl;
}while(i++ < 20);
// CS->notify();
}
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;
}
int main(int argc, char * argv[])
{
ConcreteSubject * subject = new ConcreteSubject();
ConcreteObserver * observer_1 = new ConcreteObserver();
ConcreteObserver * observer_2 = new ConcreteObserver();
subject->RegisterObserver(observer_1);
subject->RegisterObserver(observer_2);
subject->NotifyObservers();
system("pause");
return 0;
}
int main()
{
ConcreteObserver* ob1 = new ConcreteObserver("ob1");
ConcreteObserver* ob2 = new ConcreteObserver("ob2");
ConcreteObserver* ob3 = new ConcreteObserver("ob3");
ConcreteSubject* subject = new ConcreteSubject();
subject->attach(ob1);
subject->attach(ob2);
subject->attach(ob3);
subject->set_state(3);
return 0;
}
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;
}
int main()
{
// Das Objekt h�lt alle Daten (=notfier = subject)
ConcreteSubject* subj = new ConcreteSubject();
ObserverInterface* obs1 = new ConcreteObserver(subj, "A");
ObserverInterface* obs2 = new ConcreteObserver(subj, "B");
// Observer(=views) an Subjekt anh�ngen (attachen)
subj->attach(obs1);
subj->attach(obs2);
// Daten �ndern und Observer informieren (notify)
subj->setData("TestData");
subj->notify();
return 0;
}
int main()
{
ConcreteSubject *cs = new ConcreteSubject;
Observer *obs[COUNT_OBS];
State s;
for (int i = 0; i < COUNT_OBS; i++)
obs[i] = new ConcreteObserver(cs);
s._state = 1;
cs->SetState(s);
printstate(obs);
cs->Detach(obs[5]);
s._state = 4;
cs->SetState(s);
printstate(obs);
cs->Attache(obs[5]);
s._state = 2;
cs->SetState(s);
printstate(obs);
return 0;
}
int main()
{
ConcreteSubject product;
ConcObs shop1("Shop 1");
ConcObs shop2("Shop 2");
ConcObs shop2("Shop 3");
product.Attach(&shop1);
product.Attach(&shop2);
product.Attach(&shop3);
product.ChangePrice(23.0f);
product.Detach(&shop2);
product.ChangePrice(26.0f);
return 0;
}
void update()
{
observerState = subject->getData();
cout << "Observer " << name << " hat neuen Zustand: " << observerState << endl;
}
void Update() {
observerState = subject->GetState();
cout << "New state of " << name << " is " << observerState << endl;
}
