public void Detach(ITextSubscriber observer)
{
this.publisher.RemoveSubscriber(observer);
Console.WriteLine("Subject: Detached an observer.");
}
public void RemoveSubscriber(ITextSubscriber subscriber)
{
subscribers.Remove(subscriber);
}
public void Attach(ITextSubscriber observer)
{
Console.WriteLine("Subject: Attached an observer.");
this.publisher.AddSubscriber(observer);
}
public void AddSubscriber(ITextSubscriber subscriber)
{
subscribers.Add(subscriber);
}
