Sergey80

 import play.api.Logger
 import org.slf4j.MDC
+import scala.concurrent.{ExecutionContext, Future}
 import java.util.UUID
+import java.util.concurrent.Executors
-object SyncController extends Controller {
-  def syncEndpoint(profileId: Long) = Action(parse.json) { req =>
+object AsyncController extends Controller {
+  implicit val ec = ExecutionContext.fromExecutor(Executors.newFixedThreadPool(2))
+  // For this example, ensure the threads in the pool are already created

Sergey80

 val fa = callToRemoteServiceA();
 val fb = callToRemoteServiceB();

 val fc = callToRemoteServiceC(fa.get());
 val fd = callToRemoteServiceD(fb.get());
 val fe = callToRemoteServiceE(fb.get());
 
 val executor = new ThreadPoolExecutor(4, 4, 1, TimeUnit.MINUTES, new LinkedBlockingQueue[Runnable]())

Sergey80

<link rel="import" href="../core-icon-button/core-icon-button.html">
<link rel="import" href="../core-toolbar/core-toolbar.html">
<link rel="import" href="../core-header-panel/core-header-panel.html">
<link rel="import" href="../core-menu/core-submenu.html">
<link rel="import" href="../core-item/core-item.html">

<polymer-element name="my-element">

  <template>
    <style>