if (o == null) {
            return null;
        } else if (o instanceof Short) {
            return (Short) o;
        } else if (o instanceof Number) {
            return ((Number) o).shortValue();
        } else if (o instanceof String) {
            return toShort((String) o);
        } else if (o instanceof java.util.Date) {
            if (pattern != null) {

            } else if (value instanceof Integer || value instanceof Long) {
                tempBuf.append(value);
            } else if (value instanceof Short) {
                tempBuf.append(((Short) value).shortValue());
            } else if (value instanceof double[]) {
                tempBuf.append(Arrays.toString((double[]) value));
            } else {

     */
    public boolean calibrateCpuLoad(final long timeoutInMillis) {
        final short percent = ComponentUtil.getFessConfig().getAdaptiveLoadControlAsInteger().shortValue();
        if (percent <= 0) {
            return true;
        }
        short current = getSystemCpuPercent();
        if (current < percent) {
            return true;
        }

                    }
                    if (pair.length == 2) {
                        String sortValue = pair[1].trim();
                        if (StringUtil.isBlank(sortValue) || "score".equals(sortValue)) {
                            sortValue = "score.desc";
                        }
                        return new Pair<>(pair[0].trim(), sortValue);
                    }
                    return null;