public static Integer getDurationUnits(RecurringTask recurrence)
   {
      Duration duration = recurrence.getDuration();
      Integer result = null;

      if (duration != null)
      {
         result = UNITS_MAP.get(duration.getUnits());
      }

      return (result);
   }
public static Integer getDurationUnits ( RecurringTask recurrence ) { Duration duration = recurrence . getDuration ( ) ; Integer result = null ; if ( duration != null ) { result = UNITS_MAP . get ( duration . getUnits ( ) ) ; } return ( result ) ; }
Converts a TimeUnit instance to an integer value suitable for
writing to an MPX file.

@param recurrence RecurringTask instance
@return integer value