performance.scala

package controllers

import play.api.mvc.Action
import play.api.mvc.Controller
import scala.concurrent.future
import scala.concurrent.ExecutionContext.Implicits.global
import play.api.Logger

object Performance extends Controller {

  def sync(durationMs: Long) = Action {
    operation(durationMs)
    Logger.info("Sync taking " + durationMs + 
      " ms at " + System.currentTimeMillis())
    Ok("sync done")
  }

  def async(durationMs: Long) = Action {
    val futureResult = future {
      operation(durationMs)
    }
    Async {
      futureResult.map {
        Logger.info("Async taking " + durationMs + 
          " ms at " + System.currentTimeMillis())
        (u: Unit) => Ok("async done")
      }
    }
  }

  def operation(durationMs: Long) = {
    Thread.sleep(durationMs)
  }
}