if (delay > 0) {
            ThreadUtil.sleep(delay);
        }
    }

    protected long getDelay() {
        if (ruleList.isEmpty()) {
            return 0;
        }
        final Calendar cal = getCurrentCal();
        final int h = cal.get(Calendar.HOUR_OF_DAY);
        final int m = cal.get(Calendar.MINUTE);
        final int d = cal.get(Calendar.DAY_OF_WEEK); // SUN(1) - SAT(7)
        for (final IntervalRule rule : ruleList) {

        final Date date = new SimpleDateFormat("HH:mm").parse(time);
        return new IntervalControlHelper() {
            @Override
            protected Calendar getCurrentCal() {
                final Calendar cal = Calendar.getInstance();
                cal.setTimeInMillis(date.getTime());
                cal.set(Calendar.DAY_OF_WEEK, day);
                return cal;
            }