Connect
class Connect<T>(key: QueryKey<T>, revision: String? = null, marker: Marker = Marker.None, callback: QueryCallback<T>? = null) : QueryCommand<T>
Performs data fetching and validation based on the current data state.
This command is invoked via QueryRef when a new mount point (subscriber) is added.
Parameters
key
Instance of a class implementing QueryKey.
revision
The revision of the data to be fetched.
marker
The marker with additional information based on the caller of a query.
callback
The callback to receive the result of the query.