public IObservable <Unit> ShutdownQueue()
{
lock (queuedOps)
{
if (shutdownObs != null)
{
return(shutdownObs);
}
queuedOps.OnCompleted();
shutdownObs = new AsyncSubject <Unit>();
var sub = resultObs.Materialize()
.Where(x => x.Kind != NotificationKind.OnNext)
.SelectMany(x =>
(x.Kind == NotificationKind.OnError) ?
Observable.Throw <Unit>(x.Exception) :
Observable.Return(Unit.Default))
.Multicast(shutdownObs);
sub.Connect();
return(shutdownObs);
}
}
/// <summary>
/// Shuts down the queue and notifies when all outstanding items have
/// been processed.
/// </summary>
/// <returns>An Observable that will signal when all items are complete.
/// </returns>
public IObservable <Unit> ShutdownQueue()
{
lock (_queuedOps)
{
if (_shutdownObs != null)
{
return(_shutdownObs);
}
_shutdownObs = new AsyncSubject <Unit>();
// Disregard paused queue
_scheduledGate.MaximumCount = _maximumConcurrent;
_queuedOps.OnCompleted();
_resultObs.Materialize()
.Where(x => x.Kind != NotificationKind.OnNext)
.SelectMany(x =>
x.Kind == NotificationKind.OnError ?
Observable.Throw <Unit>(x.Exception !) :
Observable.Return(Unit.Default))
.Multicast(_shutdownObs)
.Connect();
return(_shutdownObs);
}
}