CompletionStage

[Sam Pullara]

On Jul 1, 2013, at 5:45 AM, Doug Lea <dl at cs.oswego.edu> wrote:
> 
> I think that variable "future" is not bound to the stage you have in mind?
> (The joys of fluency...)
> 
> Try it with:
>        ...
>        CompletableFuture<String> future = CompletableFuture.supplyAsync(() -> {
>                sleep(1000);
>                return "Doomed value";
>            });
>        future.cancel(true);
>        future.exceptionally(...
> 
>        // or, as of now, you could do instead
>        future.onExceptionalCompletion(t -> {

Makes some sense except for cancellation. I want that cancel() propagated through all the related futures in order to implement polling myself without threading the cancellation indicator through every layer.

Sam


>         ...
> 
> -Doug
> 
> 
>