@Override
 public OpResult addIPZone(Collection<IPZoneEntity> h) {
   return addEntities(
       IPZONE_INSERT_STATEMENT,
       h,
       (entity, statement) -> {
         IPZoneEntity e = (IPZoneEntity) entity;
         try {
           statement.setString(1, e.getIphost());
           statement.setString(2, e.getSecurityZone());
         } catch (Exception ex) {
           throw new IllegalStateException(ex);
         }
         return statement;
       });
 }