*/
    protected static long getLimitDocNum(final long total, final long limitPercentage, final long limitNumber) {
        final long percentNum = (long) (total * (limitPercentage / 100f));
        if (limitNumber < 0) {
            return percentNum;
        }
        return percentNum < limitNumber ? percentNum : limitNumber;
    }

    /**
     * Gets the total number of documents.
     * @return The total number of documents.