} else if (o instanceof java.util.Date) {
            if (pattern != null) {
                return Long.valueOf(new SimpleDateFormat(pattern).format(o));
            }
            return ((java.util.Date) o).getTime();
        } else if (o instanceof Boolean) {
            return ((Boolean) o) ? (long) 1 : (long) 0;
        } else {
            return toLong(o.toString());
        }
    }