@Size(max = 1000)
    public String createdBy;

    @ValidateTypeFailure
    public Long createdTime;

    public void initialize() {
        createdBy = ComponentUtil.getSystemHelper().getUsername();
        createdTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
    }

        validate(form, messages -> {}, this::asListHtml);
        verifyToken(this::asListHtml);
        final String fileName = form.bulkFile.getFileName();
        final File tempFile = ComponentUtil.getSystemHelper().createTempFile("fess_restore_", ".tmp");
        try (final InputStream in = form.bulkFile.getInputStream(); final OutputStream out = new FileOutputStream(tempFile)) {
            CopyUtil.copy(in, out);

                final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
                return new Date(now + timeToLive.longValue() * 1000 * 60);
            }
        }
        return documentExpires != null ? new Date(documentExpires) : null;
    }

    protected long getExpiredTime(final int days) {
        final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();

        numOfThread = Constants.DEFAULT_NUM_OF_THREAD_FOR_WEB;
        intervalTime = Constants.DEFAULT_INTERVAL_TIME_FOR_WEB;
        sortOrder = 0;
        createdBy = ComponentUtil.getSystemHelper().getUsername();
        createdTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
        permissions = fessConfig.getSearchDefaultDisplayPermission();
    }

        this.delayMillisForWaitingNewUrl = delayMillisForWaitingNewUrl;
    }

    @Override
    protected void delayForWaitingNewUrl() {
        ComponentUtil.getSystemHelper().calibrateCpuLoad();
        try {
            final IntervalControlHelper intervalControlHelper = ComponentUtil.getIntervalControlHelper();
            intervalControlHelper.checkCrawlerStatus();

        }
        if (baseDir == null) {
            baseDir = new File(System.getProperty("java.io.tmpdir"));
        }
        destoryTimer = new Timer("CommandGeneratorDestoryTimer-" + ComponentUtil.getSystemHelper().getCurrentTimeAsLong(), true);
        updateProperties();
    }

    protected void updateProperties() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        } else {
            try (final CurlResponse response = curlRequest.body(buf.toString()).execute()) {
                final File tempFile = ComponentUtil.getSystemHelper().createTempFile("esreq_", ".json");
                try (final InputStream in = response.getContentAsStream()) {
                    CopyUtil.copy(in, tempFile);
                } catch (final Exception e1) {

        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

        final StringBuilder resultBuf = new StringBuilder();

        final PingResponse ping = searchEngineClient.ping();
        final int status = ping.getStatus();

        if (StringUtil.isNotBlank(options.propertiesPath)) {
            systemProperties.reload(options.propertiesPath);
        } else {
            try {
                final File propFile = ComponentUtil.getSystemHelper().createTempFile("crawler_", ".properties");
                if (propFile.delete() && logger.isDebugEnabled()) {
                    logger.debug("Deleted a temp file: {}", propFile.getAbsolutePath());
                }

    }

    protected void storeQueue(final List<Tuple3<String, String, String>> taskList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String[] targets = fessConfig.getThumbnailGeneratorTargetsAsArray();
        final List<ThumbnailQueue> list = new ArrayList<>();
        taskList.stream().filter(entity -> entity != null).forEach(task -> {