opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/utils/ActorUtil.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  */
   9 package org.opendaylight.controller.remote.rpc.utils;
  10
  11 import akka.actor.ActorRef;
  12 import akka.util.Timeout;
  13 import scala.concurrent.Await;
  14 import scala.concurrent.Future;
  15 import scala.concurrent.duration.Duration;
  16 import scala.concurrent.duration.FiniteDuration;
  17
  18 import java.util.concurrent.TimeUnit;
  19
  20 import static akka.pattern.Patterns.ask;
  21
  22 public class ActorUtil {
  23     public static final FiniteDuration LOCAL_ASK_DURATION = Duration.create(2, TimeUnit.SECONDS);
  24     public static final FiniteDuration REMOTE_ASK_DURATION = Duration.create(15, TimeUnit.SECONDS);
  25     public static final FiniteDuration ASK_DURATION = Duration.create(17, TimeUnit.SECONDS);
  26     public static final FiniteDuration LOCAL_AWAIT_DURATION = Duration.create(2, TimeUnit.SECONDS);
  27     public static final FiniteDuration REMOTE_AWAIT_DURATION = Duration.create(15, TimeUnit.SECONDS);
  28     public static final FiniteDuration AWAIT_DURATION = Duration.create(17, TimeUnit.SECONDS);
  29     public static final FiniteDuration GOSSIP_TICK_INTERVAL = Duration.create(500, TimeUnit.MILLISECONDS);
  30     public static final String MAILBOX = "bounded-mailbox";
  31
  32
  33     /**
  34      * Executes an operation on a local actor and wait for it's response
  35      *
  36      * @param actor
  37      * @param message
  38      * @param askDuration
  39      * @param awaitDuration
  40      * @return The response of the operation
  41      */
  42     public static Object executeOperation(ActorRef actor, Object message,
  43                                           FiniteDuration askDuration, FiniteDuration awaitDuration) throws Exception {
  44         Future<Object> future =
  45                 ask(actor, message, new Timeout(askDuration));
  46
  47         return Await.result(future, awaitDuration);
  48     }
  49
  50
  51 }