Double casting seems to do the trick:
@SuppressWarnings("unchecked")
Class<List<VerwerkingsResultaat>> cls =
(Class<List<VerwerkingsResultaat>>) (Object) List.class;
Op dinsdag 8 september 2015 16:06:17 UTC+2 schreef Jeroen Kransen:
>
> I'm struggling again with the types in Java. I want to group elements in a
> Flow, and call a processing step like this:
>
> final Flow<List<VerwerkingsResultaat>, Integer, BoxedUnit>
> saveOrganisatiesFlow = Flow.of(List.class).mapAsync(4, new
> Function<List<VerwerkingsResultaat>, Future<Integer>>() {
> @Override
> public Future<Integer> apply(List<VerwerkingsResultaat>
> verwerkingsResultaten) throws Exception {
> return Futures.successful(1);
> }
> });
> Future<BoxedUnit> future = recordSource.grouped(1000)
> .via(saveOrganisatiesFlow)
> .runWith(printingSink, materializer);
>
> Of course there is a collission between the type
> List<VerwerkingsResultaat> and the Flow.of(List.class). How can I group
> elements like this in Java?
>
> Jeroen
>
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