public static BrokerTopicStat getBrokerTopicStat(String topic) {
BrokerTopicStat state = BrokerTopicStatHolder.states.get(topic);
if (state == null) {
state = new BrokerTopicStat();
state.mBeanName = "jafka:type=jafka.BrokerTopicStat." + topic;
if (null == BrokerTopicStatHolder.states.putIfNotExists(topic, state)) {
Utils.registerMBean(state);
}
state = BrokerTopicStatHolder.states.get(topic);
}
return state;
}
static {
allTopicState.mBeanName = "jafka:type=jafka.BrokerAllTopicStat";
Utils.registerMBean(allTopicState);
}