Pong.scala

class Pong extends ActorWithJMXSupport with ActorLogging with PongMBean{
  import Pong._

  var lastReceivedMessage = "UNKNOWN"

  def receive = {
  	case PongMessage(text) =>
  	  log.info("In PongActor - received message: {}", text)
      lastReceivedMessage = text
  }

  override def getMXTypeName: String = "InstrumentedPongActor"

  override def sendMessage(p1: String): Unit = {
    if (p1.equals("end")) {
      self ! PoisonPill
    } else {
      self ! PongMessage(p1)
    }
  }
}

object Pong {
  val props = Props[Pong]
  case class PongMessage(text: String)
}