private def running()

in pekko-sample-cluster-scala/src/main/scala/sample/cluster/transformation/Frontend.scala [38:68]

• 28 lines of code
• 8 McCabe index (conditional complexity)

  private def running(
      ctx: ActorContext[Event], workers: IndexedSeq[ActorRef[Worker.TransformText]], jobCounter: Int): Behavior[Event] =
    Behaviors.receiveMessage {
      case WorkersUpdated(newWorkers) =>
        ctx.log.info("List of services registered with the receptionist changed: {}", newWorkers)
        running(ctx, newWorkers.toIndexedSeq, jobCounter)
      case Tick =>
        if (workers.isEmpty) {
          ctx.log.warn("Got tick request but no workers available, not sending any work")
          Behaviors.same
        } else {
          // how much time can pass before we consider a request failed
          implicit val timeout: Timeout = 5.seconds
          val selectedWorker = workers(jobCounter % workers.size)
          ctx.log.info("Sending work for processing to {}", selectedWorker)
          val text = s"hello-$jobCounter"
          ctx.ask(selectedWorker, Worker.TransformText(text, _)) {
            case Success(transformedText) => TransformCompleted(transformedText.text, text)
            case Failure(ex)              => JobFailed("Processing timed out", text)
          }
          running(ctx, workers, jobCounter + 1)
        }
      case TransformCompleted(originalText, transformedText) =>
        ctx.log.info("Got completed transform of {}: {}", originalText, transformedText)
        Behaviors.same

      case JobFailed(why, text) =>
        ctx.log.warn("Transformation of text {} failed. Because: {}", text, why)
        Behaviors.same

    }