public override void OnPull()
{
var source = _stage._sourceFactory();
var subSink = new SubSinkInlet <TOut>(this, "LazySource");
subSink.Pull();
SetHandler(_stage.Out, () => subSink.Pull(), () =>
{
subSink.Cancel();
CompleteStage();
});
subSink.SetHandler(new LambdaInHandler(() => Push(_stage.Out, subSink.Grab())));
try
{
var value = SubFusingMaterializer.Materialize(source.ToMaterialized(subSink.Sink, Keep.Left),
_inheritedAttributes);
_completion.SetResult(value);
}
catch (Exception e)
{
subSink.Cancel();
FailStage(e);
_completion.TrySetException(e);
}
}
protected override void StartGraph()
{
var sinkIn = CreateSubInlet(_stage.Out);
SubFusingMaterializer.Materialize(_stage.SourceFactory().To(sinkIn.Sink), _inheritedAttributes);
if (IsAvailable(_stage.Out))
{
sinkIn.Pull();
}
}
protected override void StartGraph()
{
var sourceOut = CreateSubOutlet(_stage.In);
var sinkIn = CreateSubInlet(_stage.Out);
var graph = Source.FromGraph(sourceOut.Source)
//temp fix becaues the proper fix would be to have a concept of cause of cancellation. See https://github.com/akka/akka/pull/23909
//TODO register issue to track this
.Via(DelayCancellation <TIn>(_delay))
.Via(_stage.FlowFactory())
.To(sinkIn.Sink);
SubFusingMaterializer.Materialize(graph, _inheritedAttributes);
if (IsAvailable(_stage.Out))
{
sinkIn.Pull();
}
_activeOutIn = Tuple.Create(sourceOut, sinkIn);
}
protected override void StartGraph()
{
var sourceOut = CreateSubOutlet(_stage.In);
SubFusingMaterializer.Materialize(Source.FromGraph(sourceOut.Source).To(_stage.SinkFactory()), _inheritedAttributes);
}
