Binding the Data - Oracle ADF 11gR2 Development Beginner's Guide - page 123

Data Controls palette
The Data Controls palete is the component in the IDE that exposes the
available application module as a data control layer within the applicaion.
In our EmpDirectoryApplication applicaion, we have two applicaion modules
registered in the Model.jpx file as highlighted in the following screenshot:
The Data Controls palete will have the components explained in the following secion.
Data control
The available application module is displayed as a data control layer in the palete.
The data control layer is a metadata deiniion that translates the API of the speciic
business service implementaion to a generic format allowing declaraive and consistent
development. A user cannot drag-and-drop this component to the page because of the
reason stated in the previous secion.
The view object collection
The view object instance that is added to the application module is displayed as
the view object collecion in the Data Controls palete. All the available atributes in
the view object collecion are contained in the view object collecion. The collecion
can be dragged and dropped on the page as a UI component that supports iteraion. For
example, the carousel , tree , and table components iterate through the collecion
model to display the rows in the UI. In the following screenshot, we can see that the
EmpDirectoryModuleControl module is lising the DeptVO1 and EmpVO1 view object
instances as a collecion and source, respecively, to expose the underlying atributes: