FUNCTION acyclic_action_method_relationship

(* SCHEMA action_schema; *)

  FUNCTION acyclic_action_method_relationship (relation : action_method_relationship; relatives : SET [1:?] OF action_method; specific_relation : STRING):BOOLEAN;
    LOCAL
      x : SET OF action_method_relationship;
    END_LOCAL;

    IF relation.relating_method IN relatives THEN
      RETURN (FALSE);
    END_IF;
    x := QUERY(am <* bag_to_set(USEDIN(relation.relating_method, 'ACTION_SCHEMA.' + 'ACTION_METHOD_RELATIONSHIP.' + 'RELATED_METHOD')) | specific_relation IN TYPEOF(am));
    REPEAT i := 1 TO HIINDEX(x);
      IF NOT acyclic_action_method_relationship(x[i], relatives + relation.relating_method, 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