> 5 maj 2015 kl. 21:32 skrev Michael Frank <syntaxjoc...@gmail.com>:
>
>
>
> On Mon, May 4, 2015 at 11:04 PM, Roland Kuhn <goo...@rkuhn.info
> <mailto:goo...@rkuhn.info>> wrote:
> Hi Michael,
>
>> 5 maj 2015 kl. 00:24 skrev Michael Frank <syntaxjoc...@gmail.com
>> <mailto:syntaxjoc...@gmail.com>>:
>>
>> thank you konrad for the detailed explanation! i have implemented this in
>> various ways in the past, and thought it would be nice to have a unified,
>> 'blessed' mechanism. however, i understand how the cost-benefit tradeoff
>> might weigh against it.
>
> Saying “implemented” might be an overstatement given that it is not even
> quite a full line:
>
> val names = Iterator.from(1).map(i => s"foo-$i")
>
> I'll overlook the snark because that really is a nice one-liner :)
Sorry, couldn’t resist ;-)
> But boilerplate is boilerplate, yes?
>
> My use case often involves child actors which have a well-known identity, but
> need to have a unique name for lifecycle purposes. so i might extract the
> above into a trait:
>
> trait UniqueNames {
>
> private val nameSource = Iterator.from(1)
> def uniqueName(prefix: String): String = prefix + "-" +
> nameSource.next.toString
>
> }
Yes, this works, but inheritance can sometimes be a bit cumbersome. You could
also put it in its own class and rename the method to `apply`:
val uniqueName = new NameFactory
...
context.actorOf(..., uniqueName("Bert"))
Regards,
Roland
>
> Thank you Roland for your code example!
>
> -Michael
>
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--
>>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>>>>>> Check the FAQ:
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