RULE product_definition_with_date_freeboard_assigned

(* SCHEMA ship_structures_schema; *)

  RULE product_definition_with_date_freeboard_assigned FOR (
             product_definition, applied_date_and_time_assignment, 
             applied_classification_assignment);

    LOCAL
      violation : LOGICAL := FALSE;
      t1_set    : SET OF product_definition := [];
      c_a_set   : SET OF applied_classification_assignment := [];
      t2_set    : SET OF applied_date_and_time_assignment := [];
    END_LOCAL;
    c_a_set := QUERY ( i <* applied_classification_assignment | (i.
        assigned_class.name = 'freeboard characteristics') );
    REPEAT i := 1 TO HIINDEX(c_a_set) BY 1;
      REPEAT j := 1 TO HIINDEX(c_a_set[i].items) BY 1;
        t1_set := t1_set + c_a_set[i].items[j];
      END_REPEAT;
    END_REPEAT;
    REPEAT i := 1 TO HIINDEX(t1_set) BY 1 WHILE NOT violation;
      t2_set := bag_to_set(USEDIN(t1_set[i],'SHIP_STRUCTURES_SCHEMA.' + 
          'APPLIED_DATE_AND_TIME_ASSIGNMENT.ITEMS'));
      violation := NOT (SIZEOF(QUERY ( t2_inst <* t2_set | (t2_inst.role.
          name = 'date freeboard assigned') )) = 1);
    END_REPEAT;

  WHERE
    wr1: (NOT violation);

  END_RULE; -- product_definition_with_date_freeboard_assigned

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