Examples with FindLeaderReply org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply used on opensource projects

Example 6 with FindLeaderReply

use of org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply in project controller by opendaylight.

the class ShardTestKit method waitUntilLeader.

@SuppressWarnings("checkstyle:IllegalCatch")
public static String waitUntilLeader(final ActorRef shard) {
    FiniteDuration duration = Duration.create(100, TimeUnit.MILLISECONDS);
    for (int i = 0; i < 20 * 5; i++) {
        Future<Object> future = Patterns.ask(shard, FindLeader.INSTANCE, new Timeout(duration));
        try {
            final Optional<String> maybeLeader = ((FindLeaderReply) Await.result(future, duration)).getLeaderActor();
            if (maybeLeader.isPresent()) {
                return maybeLeader.get();
            }
        } catch (TimeoutException e) {
            LOG.trace("FindLeader timed out", e);
        } catch (Exception e) {
            LOG.error("FindLeader failed", e);
        }
        Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
    }
    Assert.fail("Leader not found for shard " + shard.path());
    return null;
}