public ChainNotifier(IObservable <TPrevious> predecessor, Action <TPrevious, Action <T> > chain)
{
if (predecessor == null)
{
throw new ArgumentNullException("predecessor");
}
var observer = Observer2.Create <TPrevious>(o => chain(o, NotifyNext), NotifyError, NotifyCompleted);
_disposable = predecessor.Subscribe(observer);
}
public static IObservable <TResult> ChainNext <TSource, TResult>(this IObservable <TSource> source, Func <IObserver <TResult>, Action <TSource> > getOnNext)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (getOnNext == null)
{
throw new ArgumentNullException("getOnNext");
}
var chain = new ObservableChain <TResult>();
var observer = Observer2.Create(getOnNext(chain), chain.OnError, chain.OnCompleted);
chain.Subscription = source.Subscribe(observer);
return(chain);
}
