protected override IStream <TOut> CreateOutputStream(LookupArgs <TInLeft, TInRight, TOut, TKey> args)
{
var rightDicoS = args.RightInputStream.Observable.ToList().Map(l => l.Select(i => new { Key = args.GetRightStreamKey(i), Value = i }).Where(i => i.Key != null).ToDictionary(i => i.Key, i => i.Value));
var matchingS = args.LeftInputStream.Observable.CombineWithLatest(rightDicoS, (l, rl) => new { Left = l, Right = this.HandleMatching(l, rl, args.GetLeftStreamKey) }, true);
return(base.CreateUnsortedStream(matchingS.Map(i => args.ResultSelector(i.Left, i.Right))));
}
public LookupStreamNode(string name, LookupArgs <TInLeft, TInRight, TOut, TKey> args) : base(name, args)
{
}