code: public void setInPriorityOverride(Integer pri) {
      // Check whether changes have been made.
      if ( ((inPriOverride == null) && (pri != null)) ||
           ((inPriOverride != null) && (!inPriOverride.equals(pri)))
         ) {
        inPriOverride = pri;
        recalcOutPriority();
      }
    }
docs: Sets the administrative override for priority.
  @param pri