}
        final List<String> fields = SuggestUtil.getAsList(source.get(FieldNames.FIELDS));
        final long docFreq = Long.parseLong(source.get(FieldNames.DOC_FREQ).toString());
        final long queryFreq = Long.parseLong(source.get(FieldNames.QUERY_FREQ).toString());
        final float userBoost = Float.parseFloat(source.get(FieldNames.USER_BOOST).toString());

        if (commandTimeoutStr != null) {
            commandTimeout = Long.parseLong(commandTimeoutStr);
        }
        final String commandDestroyTimeoutStr = fessConfig.getSystemProperty("thumbnail.command.destroy.timeout");
        if (commandDestroyTimeoutStr != null) {
            commandDestroyTimeout = Long.parseLong(commandDestroyTimeoutStr);
        }
    }

    @Override
    public void destroy() {

   *
   * @throws NumberFormatException if the string does not contain a valid unsigned {@code long}
   *     value
   * @throws NullPointerException if {@code string} is null (in contrast to {@link
   *     Long#parseLong(String)})
   */
  @CanIgnoreReturnValue
  public static long parseUnsignedLong(String string) {
    return parseUnsignedLong(string, 10);
  }

  /**

        // for performance, check digits instead of relying later on catching NumberFormatException
        if (!isDigits(s)) {
            return null;
        }

        try {
            long longValue = Long.parseLong(s);
            if (longValue > Integer.MAX_VALUE) {
                return null;
            }
            return (int) longValue;
        } catch (NumberFormatException e) {

        final Object obj = get(key);

        final long value;
        if (obj == null) {
            value = defaultValue;
        } else {
            value = Long.parseLong(obj.toString());
        }

        return value;
    }

    public float getAsFloat(final String key, final float defaultValue) {
        final Object obj = get(key);

        final float value;

            msg += " (";
            msg += (rev != null ? rev : "");
            if (timestamp != null && !timestamp.isEmpty()) {
                String ts = formatTimestamp(Long.parseLong(timestamp));
                msg += (rev != null ? "; " : "") + ts;
            }
            msg += ")";
        }
        return msg;
    }

    private static String reduce(String s) {

            final String[] values = rolesStr.split(valueSeparator);
            if (maxAge > 0) {
                try {
                    final long time = getCurrentTime() / 1000 - Long.parseLong(values[0]);
                    if (time > maxAge || time < 0) {
                        if (logger.isDebugEnabled()) {
                            logger.debug("role info is expired: {} > {}", time, maxAge);

        if (props != null) {
            String rawVal = props.getProperty(key);
            if (rawVal != null) {
                try {
                    return new Date(Long.parseLong(rawVal));
                } catch (NumberFormatException e) {
                    getLogger().debug("Cannot parse lastUpdated date: '" + rawVal + "'. Ignoring.", e);
                }
            }
        }

                        try {
                            if (Constants.MAPPING_TYPE_LONG.equalsIgnoreCase(mapping.getValue2())) {
                                dataMap.put(mapping.getValue1(), Long.parseLong(values[0]));
                            } else if (Constants.MAPPING_TYPE_DOUBLE.equalsIgnoreCase(mapping.getValue2())) {
                                dataMap.put(mapping.getValue1(), Double.parseDouble(values[0]));

            final List<EsAccessResult> arList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final long maxDocumentRequestSize = Long.parseLong(fessConfig.getIndexerWebfsMaxDocumentRequestSize());
        for (final EsAccessResult accessResult : arList) {
            if (logger.isDebugEnabled()) {
                logger.debug("Indexing {}", accessResult.getUrl());