FUNCTION acyclic_mapped_representation

(* SCHEMA engineering_properties_schema; *)

   FUNCTION acyclic_mapped_representation
      (parent_set : SET OF representation;
       children_set : SET OF representation_item ) : BOOLEAN;
   LOCAL
      x : SET OF representation_item;
      y : SET OF representation_item;
   END_LOCAL;
      x := QUERY (z <* children_set| 'ENGINEERING_PROPERTIES_SCHEMA.MAPPED_ITEM' IN TYPEOF(z));
      IF SIZEOF(x) > 0 THEN
         REPEAT i := 1 TO HIINDEX(x);
            IF x[i]\mapped_item.mapping_source.mapped_representation IN parent_set THEN
               RETURN (FALSE);
            END_IF;
            IF NOT acyclic_mapped_representation((parent_set + x[i]\mapped_item.mapping_source.mapped_representation), x[i]\mapped_item.mapping_source.mapped_representation.items) THEN
               RETURN (FALSE);
            END_IF;
         END_REPEAT;
      END_IF;
      x := children_set - x;
      IF SIZEOF(x) > 0 THEN
         REPEAT i := 1 TO HIINDEX(x);
            y := QUERY (z <* bag_to_set(USEDIN(x[i], ''))| 'ENGINEERING_PROPERTIES_SCHEMA.REPRESENTATION_ITEM' IN TYPEOF(z));
            IF NOT acyclic_mapped_representation(parent_set, y) THEN
               RETURN (FALSE);
            END_IF;
         END_REPEAT;
      END_IF;
      RETURN (TRUE);
   END_FUNCTION;

Referenced By

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2012-03-27T17:18:51-04:00