public void removeByUser(long uid) {
		try
		{

			for (int i = 0; i < this.nDay; i++)
			{
				List<Appointment> aAppt = Appointment.findByDay(uid, this.startOfDay + i
						* DateUtil.DAY_LENGTH);
				for(Appointment appt : aAppt) {
					this.removeByAppointment(appt, i);
				}

			}

		} catch (Exception e)
		{
			e.printStackTrace();
		}
	}