parent: *

Manual

parent

Scope: all

It returns the parent element of a model element.

Please note that

1. data.parent of a metamodel or a model is undefined
2. data.parent of a metaclass (DClass) that is not specified within a package returns default, the name of the default package that is normally not visible
3. data.parent of a root element in a model, returns the model
4. data.parent of a model element that is the target of an association or contained in an aggregation or containment return the reference in the source class.

Example 1

If the following fragment is part of a metamodel

then applying data.parent returns the following

• default if applied to Operation
• Operation if applied to ownedParameters in Operation
• default if applied to Parameter

 

Example 2:

If we consider the following model conforming to the metamodel in the previous Example 

then data.parent returns

• the model if applied on Sum
• ownedParameters if applied on Operand_1 or Operand_2
• Sum if applied to ownedParameters in Sum