3.6.2.2. CollectionDatasourceImpl Queries
This is a legacy API. For new data API available since release 7.0, see Data Components. |
The CollectionDatasourceImpl
class and its subclasses, GroupDatasourceImpl
and HierarchicalDatasourceImpl
, are standard implementations of datasources that work with collections of entity instances. These datasources load data via DataManager
by sending a JPQL queries to the middleware. The format of these queries is described below.