getListData
Gets a list of data from the memory store.
connection.getListData(query)
Goes through each query add by updateListData. If
query is a subset, uses queryLogic to get the data for the requested query.
Parameters
- query
{Query}:An object that represents the data to load.
Returns
{Promise<ListData>}:
A promise that resolves if query is a subset of
some data added by updateListData. If it is not,
the promise is rejected.