Exemplo n.º 1
0
  private HostPort fetcheLeaderInfoFromZk() {
    try {
      Participant leader = m_leaderLatch.getLeader();
      return JSON.parseObject(leader.getId(), HostPort.class);
    } catch (Exception e) {
      log.error("Failed to fetch leader info from zk.", e);
    }

    return null;
  }
Exemplo n.º 2
0
  public String getCurrentLeader() {
    try {
      final LeaderLatch latch = leaderLatch.get();

      if (latch == null) {
        return null;
      }

      Participant participant = latch.getLeader();
      if (participant.isLeader()) {
        return participant.getId();
      }

      return null;
    } catch (Exception e) {
      throw Throwables.propagate(e);
    }
  }