Not sure if this is the right approach, but I have the makings of a little
REPL as shown below (I know this guy will need a dedicated dispatcher).
The idea is that console input, including "exit" is sent to the parent
which would like to do a graceful shutdown. Is there a way in the parent to
kill this actor (which has already sent itself a ReadLine message, or do I
have to handle the "exit" input within this actor itself? I suppose the
latter is fine if I make the exit input a constructor parameter.
class ConsoleInputActor extends Actor {
import ConsoleInputActor._
def receive = {
case EnableConsole => {
context.become(acceptingUserInput)
self ! ReadLine
}
}
def acceptingUserInput: Receive = {
case ReadLine => {
val userInput = readLine("Prompt\n")
context.parent ! MessageFromConsole(userInput)
self ! ReadLine
}
}
}
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