FUNCTION acyclic_part_feature_precedence_relationship
(relation : part_feature, relatives : SET [1:?] OF part_feature, specific_relation : STRING) : BOOLEAN;
LOCAL
x : SET OF Part_feature;
END_LOCAL;
IF relation.precedent_feature IN relatives THEN
RETURN (FALSE);
END_IF;
x := QUERY(pd <* bag_to_set(USEDIN(relation.precedent_feature,
'PHYSICAL_UNIT_USAGE_VIEW_XIM.' + 'PART_FEATURE.' +
'SUBSEQUENT_FEATURE')) | specific_relation IN TYPEOF(pd));
REPEAT i := 1 TO HIINDEX(x);
IF NOT acyclic_part_feature_precedence_relationship(x[i], relatives +
relation.precedent_feature, specific_relation) THEN
RETURN (FALSE);
END_IF;
END_REPEAT;
RETURN (TRUE); END_FUNCTION; -- acyclic_part_feature_precedence_relationship
|