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curator = CuratorFrameworkFactory.newClient(ZOOKEEPER_SERVER,
                2000, 10000, new ExponentialBackoffRetry(1000, 3));
        curator.start();
        curator.blockUntilConnected();

        leaderSelector = new LeaderSelector(curator, ELECTION_PATH, this);
        leaderSelector.autoRequeue();
        leaderSelector.start();



  @Override
    public void takeLeadership(CuratorFramework client)
            throws Exception {
        synchronized (this) {
            leader = true;
            try {
                while (true) {
                    this.wait();
                }
            } catch (InterruptedException ie) {
                Thread.currentThread().interrupt();
                leader = false;
            }
        }
    }