_totalTasks = totalTasks;
_topologyInstanceId = topologyInstanceId;
_stormConf = stormConf;
_state = state;
ZkHosts brokerConf = (ZkHosts) spoutConfig.hosts;
_refreshFreqMs = brokerConf.refreshFreqSecs * 1000;
_reader = new DynamicBrokersReader(stormConf, brokerConf.brokerZkStr, brokerConf.brokerZkPath, spoutConfig.topic);
}