protected override ISortedStream <AggregationResult <TIn, TKey, TAggrRes>, TKey> CreateOutputStream(AggregateSortedArgs <TIn, TAggrRes, TKey> args)
{
return(CreateSortedStream(
args.InputStream.Observable.AggregateGrouped(
args.CreateEmptyAggregation,
args.InputStream.SortDefinition,
args.Aggregate,
(i, a) => new AggregationResult <TIn, TKey, TAggrRes>
{
FirstValue = i,
Aggregation = a,
Key = args.InputStream.SortDefinition.GetKey(i)
}),
new SortDefinition <AggregationResult <TIn, TKey, TAggrRes>, TKey>(i => i.Key, args.InputStream.SortDefinition.KeyPosition)));
}
public AggregateSortedStreamNode(string name, AggregateSortedArgs <TIn, TAggrRes, TKey> args) : base(name, args)
{
}