FUNCTION acyclic_general_property_relationship
(relation : general_property_relationship, relatives : SET [1:?] OF general_property, specific_relation : STRING) : BOOLEAN;
LOCAL
x : SET OF general_property_relationship;
END_LOCAL;
IF relation.relating_property IN relatives THEN
RETURN (FALSE);
END_IF;
x := QUERY(genp <* bag_to_set(USEDIN(relation.relating_property, 'PRODUCT_PROPERTY_DEFINITION_SCHEMA.' + 'GENERAL_PROPERTY_RELATIONSHIP.' + 'RELATED_PROPERTY')) | specific_relation IN TYPEOF(genp));
REPEAT i := 1 TO HIINDEX(x);
IF NOT acyclic_general_property_relationship(x[i], relatives + relation.relating_property, specific_relation) THEN
RETURN (FALSE);
END_IF;
END_REPEAT;
RETURN (TRUE); END_FUNCTION; -- acyclic_general_property_relationship
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