Hi,the code blow cause the StackOverFlow error,but if I want to do
something useful in an trait and let the actor who want to use mixin it,and
that trait need to do some initialize witch need to hook the actor's
lifecycle ,then what the best practice?
The problem of the code blow is that it will cause the StackOverFlow,that's
really definite wrong.
trait UsefulTrait {actor:Actor =>
@throws[Exception](classOf[Exception])
override def preStart(): Unit = {
//do some thing here
actor.preStart()
}
}
class UsefulActor extends Actor with UsefulTrait{
override def receive: Receive = {
case msg => //handle it
}
@throws[Exception](classOf[Exception]) override
def preStart(): Unit = {
//do some thing here too
super.preStart()
}
}
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