Hi Roland,
On Thu, 2014-05-08 at 13:41 +0200, Akka Team wrote:
> Hi Brice,
>
>
> the Routers (as in those which bypass the head actor’s mailbox) are
> meant for a very specific use case, and their optimizations come with
> certain restrictions as you discover. What you want to achieve can be
> done by using the RoutingLogic inside a regular router, which gives
> you all the flexibility you need to create the routees as you want.
So the only answer is to have a head actor that will queue the messages
before routing them with a RoutingLogic (this is how I solved the
problem for the moment), unlike a regular akka router.
This is a very important router in this specific project that sees a lot
of traffic, so if it could benefit of the the "no-queueing" mechanism of
routers, that would be great.
This looks like a regression to me, as it has been possible to do that
since at least akka 2.0. It wouldn't be that hard to create a special
Group that allows to instantiate the routees instead of providing a list
of path.
This could just be something along the line of (warning pseudocode):
trait CustomGroup extends Group {
override def paths = List()
def routees(context: ActorContext): immutable.IndexedSeq[Routee]
}
And the creation logic in the RouterActorCell could just be:
case group: Group =>
val paths = group.paths
if (paths.nonEmpty)
addRoutees(paths.map(p ⇒ group.routeeFor(p,
this))(collection.breakOut))
else {
addRoutees(group.routees(this))
}
I can't do that myself because everything is locked down with
private[akka].
What do you think?
--
Brice Figureau
My Blog: http://www.masterzen.fr/
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