@Override
    public Shift findById(String uuid) {
        List<Shift> listOfShifts = this.jdbcTemplate.query(SQL_GET_BY_ID, new Object[]{UUID.fromString(uuid)}, new ShiftMapper());

        if (listOfShifts.isEmpty()) {
            return null;
        } else if (listOfShifts.size() == 1) {
            return listOfShifts.get(0);
        } else {
            // TODO ERROR?
            return null;
        }
    }