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import scala.actors.{Actor, Exit, Debug}
class MyException(msg: String) extends Exception(msg) {
override def fillInStackTrace() = this
}
object Test {
case object StartError extends Actor {
def act() {
throw new MyException("I don't want to run!")
}
}
case object MessageError extends Actor {
def act() {
react {
case _ => throw new MyException("No message for me!")
}
}
}
case object Supervisor extends Actor {
def act() {
trapExit = true
link(StartError)
link(MessageError)
StartError.start()
MessageError.start()
Actor.loop {
react {
case Exit(actor, reason) =>
println(reason)
if (actor == StartError)
MessageError ! 'ping
else
exit()
}
}
}
}
def main(args: Array[String]) {
Debug.level = 1 // decrease level so that it does not print warnings
Supervisor.start()
}
}
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