public void RegisterObserver(IObserver observer)
{
Iterator iterator = CreateIterator();
while (iterator.HasNext())
{
IQuackable quacker = (IQuackable)iterator.Next();
quacker.RegisterObserver(observer);
}
}
public void RegisterObserver(IObserver observer)
{
DuckIterator iterator = new DuckIterator(ducks);
while (iterator.HasNext())
{
IQuackable duck = (IQuackable)iterator.Next();
duck.RegisterObserver(observer);
}
}
public void RegisterObserver(IObserver observer)
{
IEnumerator iterator = quackers.GetEnumerator();
while (iterator.MoveNext())
{
IQuackable duck = (IQuackable)iterator.Current;
duck.RegisterObserver(observer);
}
}
public void RegisterObserver(IObserver observer)
{
IEnumerator <IQuackable> enumerator = quackers.GetEnumerator();
while (enumerator.MoveNext())
{
IQuackable quacker = enumerator.Current;
quacker.RegisterObserver(observer);
}
}
public void RegisterObserver(IObserver observer)
{
// Паттерн итератор
IEnumerator <IQuackable> iterator = quackers.GetEnumerator();
while (iterator.MoveNext())
{
IQuackable quacker = iterator.Current;
quacker.RegisterObserver(observer);
}
}
public void RegisterObserver(IObserver observer)
{
_duck.RegisterObserver(observer);
}
public void RegisterObserver(IQuackObserver observer)
{
duck.RegisterObserver(observer);
}