An enumeration of three values which may commonly occur in constraint models.
Use as the type of any attribute within this model, which expresses constraint on
some attribute in a class in a reference model. For example to indicate validity
of Date/Time fields.
Declaration :
Artifact : VALIDITY_KIND
Attribut mandatory |
Constant to indicate mandatory presence of something.
Declaration :
Attribut optional |
Constant to indicate optional presence of something.
Declaration :
Attribut disallowed |
Constant to indicate disallowed presence of something.
Declaration :
Attribut value |
Actual value
Declaration :