On 2 March 2010 15:09, ced <[email protected]> wrote:
> 3) How do I get access to the CometActor instance on the page? I need
> > to send a message to it from a function bound to e.g. an ajaxSelect
>
> You need another Actor that dispatches messages to your CometActors.
> Say you have ChartCometActor, then implement something like
> object ChartManager extends Actor {
> ...
> }
> where all your CharCometActors register at creation time. Override
> localSetup() for this. Also override localShutdown() to unregister.
> Your snippet function then sends a message to the ChartManager who's
> responsible for dispatching to all/one actor/s. I use a solution where
> I register the CometActors an a session basis, so I can send a message
> either to all or just one CometActor.
>
>
Or use
object ChartServer extends LiftActor with ListenerManager {
...
override def lowPriority = {
case ... => {
...
updateListeners()
}
}
}
and
class ChartActor extends CometActor with CometListener {
override def registerWith = ChartServer
// Only necessary if you do not want to send the message to all comet
actors
override def shouldUpdate = {
case ... => // Decide whether this instance should receive a message
}
}
Look at http://github.com/weiglewilczek/chatter for a full blown example.
Heiko
Company: weiglewilczek.com
Blog: heikoseeberger.name
Follow me: twitter.com/hseeberger
OSGi on Scala: scalamodules.org
Lift, the simply functional web framework: liftweb.net
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