void maybeAddPartitions(int minPartitionNum) {
KafkaZkClient zkClient = KafkaZkClient.apply(_zkConnect, JaasUtils.isZkSecurityEnabled(), ZK_SESSION_TIMEOUT_MS,
ZK_CONNECTION_TIMEOUT_MS, Integer.MAX_VALUE, Time.SYSTEM, METRIC_GROUP_NAME, "SessionExpireListener");
AdminZkClient adminZkClient = new AdminZkClient(zkClient);
try {
scala.collection.Map<Object, scala.collection.Seq<Object>> existingAssignment = getPartitionAssignment(zkClient, _topic);
int partitionNum = existingAssignment.size();
if (partitionNum < minPartitionNum) {
LOG.info("MultiClusterTopicManagementService will increase partition of the topic {} "
+ "in cluster {} from {} to {}.", _topic, _zkConnect, partitionNum, minPartitionNum);
scala.Option<scala.collection.Map<java.lang.Object, scala.collection.Seq<java.lang.Object>>> replicaAssignment = scala.Option.apply(null);
scala.Option<Seq<Object>> brokerList = scala.Option.apply(null);
adminZkClient.addPartitions(_topic, existingAssignment, adminZkClient.getBrokerMetadatas(RackAwareMode.Disabled$.MODULE$, brokerList), minPartitionNum, replicaAssignment, false);
}
} finally {
zkClient.close();
}
}