public void init(String appId) {
this.appId = appId;
TransportContext context = new TransportContext(conf, new NoOpRpcHandler());
List<TransportClientBootstrap> bootstraps = Lists.newArrayList();
if (saslEnabled) {
bootstraps.add(new SaslClientBootstrap(conf, appId, secretKeyHolder));
}
clientFactory = context.createClientFactory(bootstraps);
}