public DataFlowCacheModel GetDataFlowCache(string node, string prevNode = "") { var data = _cacheHandler.Get <DataFlowCacheModel>(node); if (data == null && !string.IsNullOrEmpty(prevNode)) { data = _cacheHandler.Get <DataFlowCacheModel>(prevNode); var obj = data.Clone(); SetDataFlowCache(obj, node); } return(data); }