Посредник (Mediator) — различия между версиями

class MainApp {
    static void Main() {
        ConcreteMediator m = new ConcreteMediator();
        ConcreteColleague1 c1 = new ConcreteColleague1(m);
        ConcreteColleague2 c2 = new ConcreteColleague2(m);
        m.Colleague1 = c1;
        m.Colleague2 = c2;
        c1.Send("How are you?");
        c2.Send("Fine, thanks");
    }
}
abstract class Mediator {
    public abstract void Send(string message, Colleague colleague);
}
class ConcreteMediator : Mediator {
    ConcreteColleague1 colleague1;
    ConcreteColleague2 colleague2;

    public ConcreteColleague1 Colleague1
      { set { colleague1 = value; } }

    public ConcreteColleague2 Colleague2
      { set { colleague2 = value; } }

    public override void Send(string message, Colleague colleague) {
        if (colleague == colleague1)
            colleague2.Notify(message);
        else
            colleague1.Notify(message);
    }
}
abstract class Colleague
{
    protected Mediator mediator;

    public Colleague(Mediator mediator)
    { this.mediator = mediator; }
}

class ConcreteColleague1 : Colleague {
    public ConcreteColleague1(Mediator mediator): base(mediator) { }
    public void Send(string message)
      { mediator.Send(message, this); }

    public void Notify(string message)
    {  Console.WriteLine("Colleague1 gets message: " + message); }
}
class ConcreteColleague2 : Colleague ...