code: def get_resource_cache(resourceid):
          
          if not resourceid:
              raise ResourceInitError("Resource id missing")
          if not DutInformationList._cache.get(resourceid):
              DutInformationList._cache[resourceid] = dict()
          return DutInformationList._cache[resourceid]
docs: Get a cached dictionary related to an individual resourceid.
  
          :param resourceid: String resource id.
          :return: dict