FUNCTION acyclic_shape_aspect_relationship

(* SCHEMA product_property_definition_schema; *)

  FUNCTION acyclic_shape_aspect_relationship (relation : shape_aspect_relationship; relatives : SET [1:?] OF shape_aspect; specific_relation : STRING):BOOLEAN;
    LOCAL
      x : SET OF shape_aspect_relationship;
    END_LOCAL;

    IF relation.relating_shape_aspect IN relatives THEN
      RETURN (FALSE);
    END_IF;
    x := QUERY(sa <* bag_to_set(USEDIN(relation.relating_shape_aspect, 'PRODUCT_PROPERTY_DEFINITION_SCHEMA.' + 'SHAPE_ASPECT_RELATIONSHIP.' + 'RELATED_SHAPE_ASPECT')) | specific_relation IN TYPEOF(sa));
    REPEAT i := 1 TO HIINDEX(x);
      IF NOT acyclic_shape_aspect_relationship(x[i], relatives + relation.relating_shape_aspect, specific_relation) THEN
        RETURN (FALSE);
      END_IF;
    END_REPEAT;
    RETURN (TRUE);
  END_FUNCTION;

Referenced By

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2012-03-27T17:13:58-04:00