code: public void setInTTL_Override(Long ttl) {
      // Check whether changes have been made.
      if ( ((inTTL_Override == null) && (ttl != null)) ||
           ((inTTL_Override != null) && (!inTTL_Override.equals(ttl)))
         ) {
        inTTL_Override = ttl;
        recalcOutTTL();
      }
    }
docs: Sets the administrative override for ttl.
  @param pri