code: public boolean isTopologyActive(StormClusterState stormClusterState, String topologyName) throws Exception {
          boolean rtn = false;
          if (Cluster.get_topology_id(stormClusterState, topologyName) != null) {
              rtn = true;
          }
          return rtn;
      }
docs: whether the topology is active by topology name
  
  @param stormClusterState see Cluster_clj
  @param topologyName      topology name
  @return boolean if the storm is active, return true, otherwise return false