private void DetachObserver(Button button, BaseObserverView observer)
{
if (button.Text.Equals("Detach"))
{
subject.Detach(observer);
button.Text = "Attach";
}
else
{
subject.Attach(observer);
button.Text = "Detach";
}
}
static void Main(string[] args)
{
var subject = new Subject();
var observer1 = new Observer1();
var observer2 = new Observer2();
subject.Attach(observer1);
subject.Attach(observer2);
subject.NotifyChange("Test change state 1");
subject.Detach(observer2);
subject.NotifyChange("Test change state 2");
Console.ReadLine();
}
static void Main()
{
var rnd = new Random();
var subject = new Subject();
var observerA = new ConcreteObserverA();
var observerB = new ConcreteObserverB();
Parallel.For(0, 5, (i, loopState) =>
{
int delay;
lock (rnd)
delay = rnd.Next(1, 1001);
Thread.Sleep(delay);
Console.WriteLine("Thread : " + i);
subject.Attach(observerA);
subject.DoSomething();
subject.Detach(observerB);
});
}
static void Main(string[] args)
{
var rnd = new Random();
var subject = new Subject();
var observerA = new ConcreteObserverA();
int delay;
lock (rnd);
delay = rnd.Next(1, 1001);
Thread.Sleep(delay);
subject.Attach(observerA);
var observerB = new ConcreteObserverB();
subject.Attach(observerB);
subject.SomeBusinessLogic();
subject.SomeBusinessLogic();
subject.Detach(observerB);
subject.SomeBusinessLogic();
}
static void Main(string[] args)
{
// Клиентский код.
var subject = new Subject(); //магазин
var observerFirst = new FirstClient(); //Наблюдатель первый
subject.Attach(observerFirst);
var observerSecond = new SecondClient();//Наблюдатель второй
subject.Attach(observerSecond);
var observerThird = new ThirdClient();
subject.Attach(observerThird);
subject.NewspapperLogic();
subject.NewspapperLogic();
subject.JournalLogic();
subject.Detach(observerSecond);
subject.NewspapperLogic();
}
