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;
}
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);
}
}