private LeaderLatch createNewLeaderLatch() {
final LeaderLatch newLeaderLatch =
new LeaderLatch(
curator,
ZKPaths.makePath(zkPaths.getCoordinatorPath(), COORDINATOR_OWNER_NODE),
config.getHost());
newLeaderLatch.addListener(
new LeaderLatchListener() {
@Override
public void isLeader() {
DruidCoordinator.this.becomeLeader();
}
@Override
public void notLeader() {
DruidCoordinator.this.stopBeingLeader();
}
},
Execs.singleThreaded("CoordinatorLeader-%s"));
return leaderLatch.getAndSet(newLeaderLatch);
}
