private static IObservable <TResult> ToObservableResult <TResult>(this AsyncSubject <TResult> subject, IScheduler scheduler)
{
if (scheduler != null)
{
return(subject.ObserveOn(scheduler));
}
return(subject.AsObservable());
}
public void OnCompleted(Action continuation)
{
if (_subject.IsCompleted)
{
continuation();
}
else
{
_subject.ObserveOn(Scheduler.CurrentThread).First().Subscribe(_ => continuation());
}
}
public static IObservable <T> DoWorkAsync <T>(Func <T> work, IScheduler scheduler)
{
var asyncSubject = new AsyncSubject <T>();
Task.Factory.StartNew(() => {
try {
T result = work.Invoke();
asyncSubject.OnNext(result);
asyncSubject.OnCompleted();
}
catch (Exception e) {
asyncSubject.OnError(e);
}
});
return(asyncSubject.ObserveOn(scheduler)
.SubscribeOn(scheduler));
}