RULE alternative_version_relationship_has_unique_versions

(* SCHEMA ship_structures_schema; *)

  RULE alternative_version_relationship_has_unique_versions FOR (
             identification_assignment_relationship);

    LOCAL
      violate : LOGICAL := FALSE;
      t1_set  : SET OF identification_assignment_relationship := [];
    END_LOCAL;
    t1_set := QUERY ( a <* identification_assignment_relationship | 
        VALUE_IN(which_class(a),'alternative version relationship') );
    REPEAT i := 1 TO HIINDEX(t1_set) BY 1 WHILE NOT violate;
      violate := t1_set[i].relating_identification_assignment.assigned_id 
          = t1_set[i].related_identification_assignment.assigned_id;
    END_REPEAT;

  WHERE
    wr1: (NOT violate);

  END_RULE; -- alternative_version_relationship_has_unique_versions

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2012-03-27T17:17:01-04:00