public SubSource(Logic logic, TIn firstElement) : base(logic, "LazySink")
{
_logic = logic;
_stage = logic._stage;
SetHandler(new LambdaOutHandler(onPull: () =>
{
Push(firstElement);
if (_completed)
{
SourceComplete();
}
else
{
SwitchToFinalHandler();
}
}, onDownstreamFinish: SourceComplete));
logic.SetHandler(_stage.In, new LambdaInHandler(
onPush: () => Push(logic.Grab(_stage.In)),
onUpstreamFinish: () =>
{
logic.SetKeepGoing(true);
_completed = true;
},
onUpstreamFailure: SourceFailure));
}
public Logic(LazySink <TIn, TMat> stage, Attributes inheritedAttributes,
TaskCompletionSource <TMat> completion) : base(stage.Shape)
{
_stage = stage;
_completion = completion;
_decider = new Lazy <Decider>(() =>
{
var attr = inheritedAttributes.GetAttribute <ActorAttributes.SupervisionStrategy>(null);
return(attr != null ? attr.Decider : Deciders.StoppingDecider);
});
SetHandler(stage.In, this);
}
