TopicRouteData topicRouteData = this.topicRouteTable.get(topic);
if (topicRouteData != null) {
List<BrokerData> brokers = topicRouteData.getBrokerDatas();
if (!brokers.isEmpty()) {
BrokerData bd = brokers.get(0);
return bd.selectBrokerAddr();
}
}
return null;
}