}
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.interval.impl.AbstractIntervalController#
     * delayBeforeProcessing()
     */
    @Override
    protected void delayBeforeProcessing() {
        if (delayMillisBeforeProcessing > 0) {
            ThreadUtil.sleep(delayMillisBeforeProcessing);
        }
    }

    /*
     * (non-Javadoc)
     *