public void Unregister(BaseSubject <T> baseSubject, IObserver <T> observer)
{
if (this.mappings.ContainsKey(baseSubject))
{
var subject = this.mappings.Keys.FirstOrDefault(key => key == baseSubject);
var observers = this.mappings[baseSubject];
if (observers.Contains(observer))
{
this.mappings[baseSubject].Remove(observer);
}
}
}
public void Register(BaseSubject <T> baseSubject, IObserver <T> observer)
{
if (this.mappings.ContainsKey(baseSubject))
{
var subject = this.mappings.Keys.FirstOrDefault(key => key == baseSubject);
var observers = this.mappings[baseSubject];
this.mappings[baseSubject].Add(observer);
}
else
{
this.mappings.Add(baseSubject, new List <IObserver <T> > {
observer
});
}
}
