* (withLabelType=true, withRoleType=true, available=true, idList=null).
     *
     * @return a list of all available DataConfig objects
     */
    public List<DataConfig> getAllDataConfigList() {
        return getAllDataConfigList(true, true, true, null);
    }

    /**
     * Retrieves data crawling configurations filtered by a list of IDs.
     * If the ID list is null, returns all available configurations.

     *
     * @param sessionId unique identifier for this crawling session
     */
    public void crawl(final String sessionId) {
        final List<DataConfig> configList = ComponentUtil.getCrawlingConfigHelper().getAllDataConfigList();

        if (configList.isEmpty()) {
            // nothing
            if (logger.isInfoEnabled()) {
                logger.info("No crawling target data.");
            }
            return;