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나는 액카가없는 액터를 구현하는 저의 작은 연구를하고 있습니다 스칼라에서 액터의 구현을 하나 발견했습니다. (How to implement actor model without Akka?)스칼라에서 Akka가없는 액터 모델 구현
매우 간단합니다. 코멘트를 추가할만한 평판이 없기 때문에이 질문을 만듭니다. 아래처럼 Actor를 사용하고 있는지 궁금합니다.
1/어떻게 그 액터를 메인 스레드에서 종료 할 수 있습니까?
2/어떻게 부모 배우처럼 Akka와 유사한 기능을 추가하고 요청을 죽이고 방법이 될 수 있습니까?
import scala.concurrent._
trait Actor[T] {
implicit val context = ExecutionContext.fromExecutor(java.util.concurrent.Executors.newFixedThreadPool(1))
def receive: T => Unit
def !(m: T) = Future { receive(m) }
}
이
import scala.concurrent._
/**
* Created by hminle on 10/21/2016.
*/
trait Message
case class HelloMessage(hello: String) extends Message
case class GoodByeMessage(goodBye: String) extends Message
object State extends Enumeration {
type State = Value
val Waiting, Running, Terminating = Value
}
trait Actor[T] {
implicit val context = ExecutionContext.fromExecutor(java.util.concurrent.Executors.newFixedThreadPool(1))
private var state: State.State = State.Waiting
def handleMessage: T => Unit ={
if(state == State.Waiting) handleMessageWhenWaiting
else if(state == State.Running) handleMessageWhenRunning
else handleMessageWhenTerminating
}
def !(m: T) = Future {handleMessage(m)}
def handleMessageWhenWaiting: T => Unit
def handleMessageWhenRunning: T => Unit
def handleMessageWhenTerminating: T => Unit
def transitionTo(destinationState: State.State): Unit = {
this.state = destinationState
}
}
class Component1 extends Actor[Message]{
def handleMessageWhenRunning = {
case HelloMessage(hello) => {
println(Thread.currentThread().getName + hello)
}
case GoodByeMessage(goodBye) => {
println(Thread.currentThread().getName + goodBye)
transitionTo(State.Terminating)
}
}
def handleMessageWhenWaiting = {
case m => {
println(Thread.currentThread().getName + " I am waiting, I am not ready to run")
transitionTo(State.Running)
}
}
def handleMessageWhenTerminating = {
case m => {
println(Thread.currentThread().getName + " I am terminating, I cannot handle any message")
//need to shutdown here
}
}
}
class Component2(component1: Actor[Message]) extends Actor[Message]{
def handleMessageWhenRunning = {
case HelloMessage(hello) => {
println(Thread.currentThread().getName + hello)
component1 ! HelloMessage("hello 1")
}
case GoodByeMessage(goodBye) => {
println(Thread.currentThread().getName + goodBye)
component1 ! GoodByeMessage("goodbye 1")
transitionTo(State.Terminating)
}
}
def handleMessageWhenWaiting = {
case m => {
println(Thread.currentThread().getName + " I am waiting, I am not ready to run")
transitionTo(State.Running)
}
}
def handleMessageWhenTerminating = {
case m => {
println(Thread.currentThread().getName + " I am terminating, I cannot handle any message")
//need to shutdown here
}
}
}
object ActorExample extends App {
val a = new Component1
val b = new Component2(a)
b ! HelloMessage("hello World 2")
b ! HelloMessage("hello World 2, 2nd")
b ! GoodByeMessage("Good bye 2")
println(Thread.currentThread().getName)
}