internal override void AddObserver(IObserverPush observer)
{
observers.Add(observer);
}
internal override void RemoveObserver(IObserverPush observer)
{
observers.Remove(observer);
}
internal abstract void RemoveObserver(IObserverPush observer);
internal abstract void AddObserver(IObserverPush observer);
//To Detach a subscriber which is using the push way of receiving data from this subject.
public void Detach(IObserverPush o)
{
//Add the subscriber to the list of the the subcribers that are using the push way.
ObserversPush.Remove(o);
}
public void Detach(IObserverPush o)
{
observers.Remove(o);
Notify();
}
public void Attach(IObserverPush o)
{
observers.Add(o);
Notify();
}
