static void Main()
{
// Configure Observer pattern
ConcreteSubject s = new ConcreteSubject();
Observer obs_a = new ConcreteObserver(s,"X");
Observer obs_b = new ConcreteObserver(s,"Y");
Observer obs_c = new ConcreteObserver(s,"Z");
s.Attach(obs_a);
s.Attach(obs_b);
s.Attach(obs_c);
// Change subject and notify observers
s.SubjectState = "ABC";
s.Notify();
s.SubjectState = "DEF";
s.Notify();
s.Detach(obs_a);
s.SubjectState = "GHI";
s.Notify();
// Wait for user
Console.Read();
}
/// <summary>
/// Entry point into console application.
/// </summary>
static void Main()
{
// 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();
// Wait for user
Console.ReadKey();
}
static void Main()
{
// 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();
// Wait for user
Console.Read();
}
static void Main()
{
ConcreteSubject s = new ConcreteSubject();
s.Attach(new ConcreteObserver(s, "X"));
s.Attach(new ConcreteObserver(s, "Y"));
s.Attach(new ConcreteObserver(s, "Z"));
//Cambia el estado y notifica
s.SubjectState = "ABC";
s.Notify();
Console.ReadKey();
}
// Constructor
public ConcreteObserver(
ConcreteSubject subject, string name)
{
this.subject = subject;
this.name = name;
}
// Constructor
public ConcreteObserver(
ConcreteSubject subject, string name)
{
this._subject = subject;
this._name = name;
}