public void Run(ToObservable <TSource> parent)
{
var e = default(IEnumerator <TSource>);
try
{
e = parent._source.GetEnumerator();
}
catch (Exception exception)
{
ForwardOnError(exception);
return;
}
var longRunning = parent._scheduler.AsLongRunning();
if (longRunning != null)
{
//
// Long-running schedulers have the contract they should *never* prevent
// the work from starting, such that the scheduled work has the chance
// to observe the cancellation and perform proper clean-up. In this case,
// we're sure Loop will be entered, allowing us to dispose the enumerator.
//
SetUpstream(longRunning.ScheduleLongRunning((@this: this, e), (tuple, cancelable) => [email protected](tuple.e, cancelable)));
}
else
{
//
// We never allow the scheduled work to be cancelled. Instead, the flag
// is used to have LoopRec bail out and perform proper clean-up of the
// enumerator.
//
var flag = new BooleanDisposable();
parent._scheduler.Schedule(new State(this, flag, e), (state, action) => state.sink.LoopRec(state, action));
SetUpstream(flag);
}
}
public IDisposable Run(ToObservable <TSource> parent)
{
var e = default(IEnumerator <TSource>);
try
{
e = parent._source.GetEnumerator();
}
catch (Exception exception)
{
base._observer.OnError(exception);
base.Dispose();
return(Disposable.Empty);
}
var longRunning = parent._scheduler.AsLongRunning();
if (longRunning != null)
{
//
// Long-running schedulers have the contract they should *never* prevent
// the work from starting, such that the scheduled work has the chance
// to observe the cancellation and perform proper clean-up. In this case,
// we're sure Loop will be entered, allowing us to dispose the enumerator.
//
return(longRunning.ScheduleLongRunning(e, Loop));
}
else
{
//
// We never allow the scheduled work to be cancelled. Instead, the flag
// is used to have LoopRec bail out and perform proper clean-up of the
// enumerator.
//
var flag = new BooleanDisposable();
parent._scheduler.Schedule(new State(flag, e), LoopRec);
return(flag);
}
}
public _(ToObservable <TSource> parent, IObserver <TSource> observer, IDisposable cancel)
: base(observer, cancel)
{
_parent = parent;
}