StormTopology topology = StormConfig.read_supervisor_topology(conf, topology_id);
// ����ϵͳtopology,�����acker
this.systemContext = new SystemContextMake(topology, stormConf,
topologyId, worker_id, tasksToComponent);
// ������acker��StormTopology
this.userContext = new UserContextMake(topology, stormConf, topologyId,
worker_id, tasksToComponent);
}