Class definitions - HxGN SDx - Update 64 - Administration & Configuration

For existing class definitions, the following rules apply to both the schema and the meta-schema.

• The UID property cannot be changed

• The Name property cannot be changed

• The Description, DeleteShared, and DisplayName properties of a class definition can be changed

• A class definition can realize additional optional interface definitions

• An optional interface definition cannot be changed to a required definition

• A required interface definition cannot be changed to an optional definition

• The component schema for the class definition cannot be changed

• The model definition associated with the class definition cannot be changed

• The class factory definition associated with the class definition cannot be changed

• New sharing relationships can be created

• Existing sharing relationships cannot be deleted

An example of a class definition and its relationships