public int compare(Event event1, Event event2) {

    String myId = ConfigurationManager.instance.getMemberId();
    if (event1.getOrganizerId().equals(myId) && !event2.getOrganizerId().equals(myId)) return -1;
    else if (!event1.getOrganizerId().equals(myId) && event2.getOrganizerId().equals(myId))
      return 1;
    else return event1.getEventTime().compareTo(event2.getEventTime());
  }