A technique I prefer is the following:
case object Continue
case object Cancel
class Worker extends Actor {
def receive = {
case Continue =>
doSmallChunkOfWork()
self forward Continue
case Cancel => context stop self
}
}
On Wed, Mar 5, 2014 at 1:12 AM, Suriyanto Lee <[email protected]> wrote:
> Hello,
>
> We have an Akka actor system running where some actors can process a short
> message (<10 secs) and some actors could take up to 20 minutes. At times,
> users might decide to cancel the process.
>
> We originally implement calling Stop on the actor, but it caused too much
> lag for user when long message are being processed. Afterwards we modified
> the actor so that it will perform periodic checks for a cancel flag. The
> second implementation makes the cancellation to be more responsive, but
> does not scale well as the number of actors increased.
>
> What is the pattern or best practice in Akka for this case? Is there a way
> to broadcast an interrupt message to actors for cancelation?
>
> Thanks,
> Suriyanto
>
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--
Cheers,
√
*———————**Viktor Klang*
*Chief Architect - **Typesafe <http://www.typesafe.com/>*
Twitter: @viktorklang
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>>>>>>>>>> Check the FAQ: http://akka.io/faq/
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