Exemplos de _01_Simple ConcreteSubject.Attach em C# (CSharp)

Exemplo n.º 1

        static void Main(string[] args)
        {
            ConcreteSubject s = new ConcreteSubject();

            s.Attach(new ConcreteObserver(s, "X"));
            s.Attach(new ConcreteObserver(s, "Y"));
            s.Attach(new ConcreteObserver(s, "Z"));

            s.SubjectState = "ABC";
            //s.Notify();
            s.SubjectState = "XYZ";
        }

Exemplo n.º 2

        static void Main(string[] args)
        {
            // Configure Observer pattern
            ConcreteSubject s = new ConcreteSubject();

            s.Attach(new ConcreteObserver(s, "X"));
            s.Attach(new ConcreteObserver(s, "Y"));
            s.Attach(new ConcreteObserver(s, "Z"));

            // Change subject and notify observers
            s.SubjectState = "ABC";
            s.Notify();
        }