Map<Integer, String> rackByBroker = new HashMap<>(); for (BrokerMetadata bm : JavaConversions.seqAsJavaList(AdminUtils.getBrokerMetadatas(zkUtils, RackAwareMode.Enforced$.MODULE$, Option.empty()))) {
private List<BrokerMetadata> getBrokerMetadatas() { ZkClient zkClient = new ZkClient(getZookeeperConnectString(), 1000, 1000, ZKStringSerializer$.MODULE$); ZkUtils zkUtils = new ZkUtils(zkClient, new ZkConnection(getZookeeperConnectString()), false); return JavaConversions.seqAsJavaList(AdminUtils.getBrokerMetadatas(zkUtils, Enforced$.MODULE$, Option.empty())); }