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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