public Observer(Subject subject, string name, string gap)
{
this.subject = subject;
this.name = name;
this.gap = gap;
subject.Notify += Update;
}
static void Main(string[] args)
{
Subject subject = new Subject();
Observer Observer = new Observer(subject, "Center", "\t\t");
Observer observer2 = new Observer(subject, "Right", "\t\t\t\t");
subject.Go();
Console.Read();
}
static void Main(string[] args)
{
Subject subject = new Subject(5);
// Observer1 takes a subscription to the store
var observer1 = new Observar("Observer 1");
subject.Subscribe(observer1);
// Observer2 also subscribes to the store
subject.Subscribe(new Observar("Observer 2"));
subject.Data++;
// Observer1 unsubscribes and Observer3 subscribes to notifications.
subject.Unsubscribe(observer1);
subject.Subscribe(new Observar("Observer 3"));
subject.Data++;
Console.ReadLine();
}
public override void Update(Subject s)
{
Console.WriteLine("{0} observed that {1} changed", GetType().Name, s.GetType().Name);
}
public abstract void Update(Subject s);
public CurrentConditionsDisplay(Subject weatherData)
{
this.weatherData = weatherData;
weatherData.RegisterObserver(this);
}
public ThirdPartyDisplay(Subject weatherData)
{
this.WeatherData = weatherData;
this.WeatherData.RegisterObserver(this);
}
public HeatIndexDisplay(Subject s)
{
weatherData = s;
weatherData.RegisterObserver(this);
}
public CurrentConditionsDisplay(Subject s)
{
weatherData = s;
weatherData.RegisterObserver(this);
}
public StatisticsDisplay(Subject s)
{
weatherData = s;
weatherData.RegisterObserver(this);
}
public ForecastDisplay(Subject weatherData)
{
this.WeatherData = weatherData;
WeatherData.RegisterObserver(this);
}
public StatisticsDisplay(Subject weatherData)
{
this.WeatherData = weatherData;
this.WeatherData.RegisterObserver(this);
}