Asynchronous Rest with Scala and Lift Framework

AsyncRestExample.scala

/**
  * Created by Riccardo Sirigu on 30/06/17.
  */
object AsyncRestExample extends RestHelper{

  serve{
    case "async" :: Nil JsonGet _ =>
      val mainThreadName = Thread.currentThread.getName
      RestContinuation.async{ reply =>
        val backgroundThreadName = Thread.currentThread.getName
        //Long running computation executing in another thread
        Thread.sleep(4000)
        reply {
          ("MainThread" -> mainThreadName) ~
          ("BackgroundThread" -> backgroundThreadName) ~
          ("Result" -> 42)
        }
      }
  }
}