[ Version ( since = "3.3" ) ]
public async InputStream serialize_async (SerializeFlags flags, RdfFormat format, string query, Cancellable? cancellable = null) throws Error
Serializes a `DESCRIBE` or `CONSTRUCT` query into the specified RDF format.
This is an asynchronous operation, callback will be invoked when the data is available for reading.
The SPARQL endpoint may not support the specified format, in that case an error will be raised.
The flags argument is reserved for future expansions, currently tracker_serialize_flags_none
must be passed.
| this |
A `TrackerSparqlConnection` |
| flags |
Serialization flags |
| format |
Output RDF format |
| query |
SPARQL query |
| cancellable |
Optional [type@Gio.Cancellable] |
| callback |
User-defined [type@Gio.AsyncReadyCallback] to be called when the asynchronous operation is finished. |
| user_data |
User-defined data to be passed to |