[infinispan-dev] Distributed Executor remote cancellation

[Tristan Tarrant]

I agree with Sanne, we need cancellable  tasks.

Tristan

On 30/03/2016 18:19, Sanne Grinovero wrote:
> The term "Interruption" might have been too specific, but being able
> to cancel a task seems essential to me.
>
> On 30 March 2016 at 17:04, William Burns <mudokonman at gmail.com> wrote:
>> Recently we have been moving a lot of our methods that return Future [1] to
>> CompletableFuture [2].  Unfortunately the latter, CompletableFuture, doesn't
>> allow for cancellation of the future, since there is no thread tied to it.
>> So I am proposing that our DistributedExecutorService [3] no longer allows
>> for interruption of remote threads on a cancellation.  This way we can have
>> our distributed executor service return CompletableFuture instances which do
>> not support interruption.
>>
>> Also to note that DistributedExecutorService extends ExecutorService which
>> returns a normal Future which is documented as allowing cancellation.  In
>> this case I would just document on DistributedExecutorService that we don't
>> support interruption anyways.
>>
>> Does anyone require the use of interruptable tasks with Distributed
>> Executor?
>>
>> Thanks,
>>
>>   - Will
>>
>> [1]
>> https://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Future.html
>> [2]
>> https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html
>> [3]
>> https://docs.jboss.org/infinispan/8.1/apidocs/org/infinispan/distexec/DistributedExecutorService.html
>>
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-- 
Tristan Tarrant
Infinispan Lead
JBoss, a division of Red Hat