protected override IStream <TOut> CreateOutputStream(CrossApplyArgs <TInMain, TInToApply, TValueIn, TValueOut, TOut> args)
{
var ob = args.MainStream.Observable.CombineWithLatest(args.StreamToApply.Observable.First(), (m, a) => new Tuple <TInMain, TInToApply>(m, a));
if (args.NoParallelisation)
{
return(base.CreateUnsortedStream(ob.MultiMap <Tuple <TInMain, TInToApply>, TOut>((Tuple <TInMain, TInToApply> i, Action <TOut> push) =>
{
var inputValue = args.GetValueIn(i.Item1, i.Item2);
Action <TValueOut> newPush = (TValueOut e) => push(args.GetValueOut(e, i.Item1, i.Item2));
args.ValuesProvider(inputValue, i.Item2, newPush);
})));
}
else
{
var synchronizer = new Synchronizer();
return(base.CreateUnsortedStream(ob.FlatMap(i => new DeferredPushObservable <TOut>(push =>
{
var inputValue = args.GetValueIn(i.Item1, i.Item2);
Action <TValueOut> newPush = (TValueOut e) => push(args.GetValueOut(e, i.Item1, i.Item2));
using (synchronizer.WaitBeforeProcess())
args.ValuesProvider(inputValue, i.Item2, newPush);
})
)));
}
}
protected override IStream <TOut> CreateOutputStream(CrossApplyArgs <TInMain, TInToApply, TValueIn, TValueOut, TOut> args)
{
var ob = args.MainStream.Observable.CombineWithLatest(args.StreamToApply.Observable, (m, a) => new { Main = m, Apply = a });
return(base.CreateUnsortedStream(ob.FlatMap(i =>
{
var def = args.ValuesProvider.PushValues(i.Apply, args.GetValueIn(i.Main, i.Apply));
return new DeferedWrapperPushObservable <TOut>(def.Map(o => args.GetValueOut(o, i.Main, i.Apply)), def.Start);
})));
}
public CrossApplyStreamNode(string name, CrossApplyArgs <TInMain, TInToApply, TValueIn, TValueOut, TOut> args) : base(name, args)
{
}