gistfile1.scala

import akka.actor._

object TCPFrontend {
  case class Event(id: String)
}

trait StorageComponent {
  val storage: Storage
  
  trait Storage {
    def store(id: String): Unit
  }
}

trait StorageComponentImpl extends StorageComponent {
  val storage = new StorageImpl
  
  class StorageImpl extends Storage {
    def store(id: String): Unit = println(s"Stored")
  }
}

trait TCPFrontend extends Actor {
  self: StorageComponent =>
    
  def receive = {
    case TCPFrontend.Event(id) => storage.store(id)
  }
}

class TCPFrontendProd extends IndirectActorProducer {
  override def actorClass = classOf[TCPFrontend]
  override def produce = new TCPFrontend with StorageComponentImpl
}

object ShowCase {
  def main(args: Array[String]): Unit = {
    val system = ActorSystem()
    
    val ref = system.actorOf(Props(classOf[TCPFrontendProd]))
    ref ! TCPFrontend.Event("1")
  }
}