get_topic_async

Description:

[ Version ( deprecated = true , deprecated_since = "0.17.7" , since = "0.15.1" ) ]
public async void get_topic_async (FreebaseTopicQuery query, Cancellable? cancellable)

Warning: get_topic_async is deprecated since 0.17.7.

Queries information about a topic, identified through a Freebase ID.

Note:

Google Freebase has been permanently shut down.

this and query are all reffed when this function is called, so can safely be unreffed after this function returns. When the query is replied, or fails, callback will be executed, and the result can be obtained through query_single_entry_async.end.

For more details, see get_topic, which is the synchronous version of this function.

Parameters:

this	a FreebaseService
query	a FreebaseQuery with the MQL query
cancellable	optional Cancellable object, or null
callback	a TaskReadyCallback to call when authentication is finished
user_data	data to pass to the `callback` function