FUNCTION acyclic_product_definition_relationship

(* SCHEMA AUTOMOTIVE_DESIGN; *)

 
FUNCTION acyclic_product_definition_relationship(relation : 
  product_definition_relationship; relatives : SET [1:?] OF product_definition
  ; specific_relation : STRING) : BOOLEAN;
LOCAL
  x : SET OF product_definition_relationship;
END_LOCAL;
  IF relation.relating_product_definition IN relatives THEN
    RETURN (FALSE);
  END_IF;
  x := QUERY(pd <* bag_to_set(USEDIN(relation.relating_product_definition, 
  'AUTOMOTIVE_DESIGN.PRODUCT_DEFINITION_RELATIONSHIP.RELATED_PRODUCT_DEFINITION'
  )) | specific_relation IN TYPEOF(pd));
  REPEAT i := 1 TO HIINDEX(x);
    IF NOT acyclic_product_definition_relationship(x[i], relatives + relation.
    relating_product_definition, specific_relation) THEN
      RETURN (FALSE);
    END_IF;
  END_REPEAT;
  RETURN (TRUE);
END_FUNCTION; -- 10303-41: product_definition_schema

Referenced By

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2012-03-27T17:16:12-04:00