Group Particle Checks

PowerDesigner provides default model checks to verify the validity of group articles.

Check

Description and Correction

Existence of particle

A group particle must contain elements, groups, group particles and/or Any.

  • Manual correction: Add items to the group particle or delete it

  • Automatic correction: None

Invalid cardinality

You should define a minimum (0 or 1) and a maximum cardinality (1 or unbounded) for a group particle occurrence.

This check is only available in a model targeted with XDR.

  • Manual correction: Double-click the group particle symbol and type a value for Minimum (0 or 1) and Maximum (1 or unbounded) properties

  • Automatic correction: None