+ public void waitUntilNoLeader(ActorRef shard) {
+ FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
+ for(int i = 0; i < 20 * 5; i++) {
+ Future<Object> future = Patterns.ask(shard, new FindLeader(), new Timeout(duration));
+ try {
+ FindLeaderReply resp = (FindLeaderReply)Await.result(future, duration);
+ if(resp.getLeaderActor() == null) {
+ return;
+ }
+ } catch(TimeoutException e) {
+ } catch(Exception e) {
+ System.err.println("FindLeader threw ex");
+ e.printStackTrace();
+ }
+
+
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ }
+
+ Assert.fail("Unexpected leader found for shard " + shard.path());
+ }