@ Override public int compareTo ( final DisabledDuration o ) { int result = start . compareTo ( o . getStart ( ) ) ; if ( result == 0 ) { if ( end == null && o . getEnd ( ) == null ) { result = 0 ; } else if ( end != null && o . getEnd ( ) != null ) { result = end . compareTo ( o . getEnd ( ) ) ; } else if ( o . getEnd ( ) == null ) { return - 1 ; } else { return 1 ; } } return result ; }
Order by start date first and then end date