public int[] batchInsert(List<CrawlingInfo> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchInsert(list, call, null);
    }

    public int[] batchInsert(List<CrawlingInfo> list, RequestOptionCall<BulkRequestBuilder> call,
            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchInsert(List<Role> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchInsert(list, call, null);
    }

    public int[] batchInsert(List<Role> list, RequestOptionCall<BulkRequestBuilder> call,
            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<Role> list) {

        return batchInsert(list, call, null);
    }

    public int[] batchInsert(List<BoostDocumentRule> list, RequestOptionCall<BulkRequestBuilder> call,
            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchInsert(List<DataConfig> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchInsert(list, call, null);
    }

    public int[] batchInsert(List<DataConfig> list, RequestOptionCall<BulkRequestBuilder> call,
            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchInsert(List<JobLog> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchInsert(list, call, null);
    }

    public int[] batchInsert(List<JobLog> list, RequestOptionCall<BulkRequestBuilder> call,
            RequestOptionCall<IndexRequestBuilder> entityCall) {
        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<JobLog> list) {

        }

        // config.*
        public static class Config {
            public static final String KEEP_ORIGINAL_BODY = "keep.original.body";
            public static final String CLEANUP_ALL = "cleanup.all";
            public static final String CLEANUP_URL_FILTERS = "cleanup.urlFilters";
            public static final String JCIFS_PREFIX = "jcifs.";

        }
    }

    @PreDestroy
    public void destroy() {
        if (!finishCrawling) {
            if (logger.isInfoEnabled()) {
                logger.info("Stopping all crawler.");
            }
            forceStop();
        }
    }

    public void addFinishedSessionId(final String sessionId) {
        synchronized (finishedSessionIdList) {

    /** The key of the message: Deleted session data. */
    public static final String SUCCESS_crawling_info_delete_all = "{success.crawling_info_delete_all}";

    /** The key of the message: Started a crawl process. */
    public static final String SUCCESS_start_crawl_process = "{success.start_crawl_process}";

        // /- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        // copied from super's method and extends it
        // basically for JVN#14876762
        // thought not all problems are resolved however the main case is safety
        // - - - - - - - - - -/
        final ServletFileUpload upload = createServletFileUpload(request);
        prepareElementsHash();
        try {

    }

    private static void createJob() {
        final Map<String, Object> requestBody = new HashMap<>();
        requestBody.put("name", NAME_PREFIX + "Scheduler");
        requestBody.put("target", "all");
        requestBody.put("script_type", "groovy");
        requestBody.put("sort_order", 0);
        requestBody.put("crawler", true);
        requestBody.put("job_logging", true);