| DownloadAndLoadTaskFailureCallback |
| DataFile | |
| DataFileBuilder | |
| DataFileDecompressor | Decompresses a data file. Supports zip and gzip compression. |
| DataFileDownloader | Downloads the data file from a provided URL. |
| DataFileManager | |
| DataMetaFile | Meta file is used to know when the last data file download/load occurred. This is important for scheduling the download/load task. |
| Util |