Hi,
I want to create an actor if it didn't created already. To check its
existence I use actorSelection. If there is no actor defined by the path, I
create a new one with actorOf.
Is this approach correct? How can I improve the design? Here is the code I
come up with currently;
val fullPath: String = path.format(appId)
var starter: ActorRef = null
implicit val timeout = Timeout(5 seconds)
try {
starter =
Await.result(context.actorSelection(fullPath).resolveOne,FiniteDuration(5,TimeUnit.SECONDS))
} catch {
case e: ActorNotFound => {
starter = context.actorOf(Props(new StarterNode(customer, appId)),
name = fullPath)
logger.info("Actor [" + fullPath + "] creating for first time")
}
case e: Exception => logger.error("Actor [" + fullPath + "] selection
failed",e)
}
//TODO
if(starter != null) {
starter ! event
} else {
logger.warn("Starter node failed with timeout")
}
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