*/
    public boolean isInfoEnabled() {
        return log.isInfoEnabled();
    }

    /**
     * Outputs INFO information.
     *
     * @param message
     *            Message
     * @param throwable
     *            Exception
     */
    public void info(final Object message, final Throwable throwable) {
        if (isInfoEnabled()) {

    public void cleanup(final String sessionId) {
        if (logger.isInfoEnabled()) {
            logger.info("Starting crawler cleanup: sessionId={}", sessionId);
        }
        try {
            // TODO transaction?
            urlQueueService.delete(sessionId);
            dataService.delete(sessionId);
            urlFilter.clear();
            if (logger.isInfoEnabled()) {

        } else {
            fileConfigList = Collections.emptyList();
        }

        if (webConfigList.isEmpty() && fileConfigList.isEmpty()) {
            // nothing
            if (logger.isInfoEnabled()) {
                logger.info("No crawling target urls.");
            }
            return;
        }

        doCrawl(sessionId, webConfigList, fileConfigList);
    }

    /**

            } else if (scheduledJob.isLoggingEnabled() && logger.isInfoEnabled()) {
                logger.info("Starting job: id={}", id);
            }

            final Object ret = jobExecutor.execute(Constants.DEFAULT_SCRIPT, script);
            if (ret == null) {
                if (scheduledJob.isLoggingEnabled() && logger.isInfoEnabled()) {
                    logger.info("Finished job: id={}", id);
                }

     * Deletes all suggest items.
     *
     * @param index The index name
     * @return The SuggestDeleteResponse
     */
    public SuggestDeleteResponse deleteAll(final String index) {
        if (logger.isInfoEnabled()) {
            logger.info("Deleting all suggest items: index={}", index);
        }
        return deleteByQuery(index, QueryBuilders.matchAllQuery());
    }

    /**

            CopyUtil.copy(in, out);
            asyncImport(fileName, tempFile);

            if (logger.isInfoEnabled()) {
                logger.info("Backup file uploaded successfully and queued for import: fileName={}, tempFile={}", fileName,
                        tempFile.getAbsolutePath());
            }

        if (HC4_CLIENT.equalsIgnoreCase(clientType)) {
            useHc5 = false;
            if (logger.isInfoEnabled()) {
                logger.info("Using HC4 HTTP client (Apache HttpComponents 4.x)");
            }
        } else {
            useHc5 = true;
            if (logger.isInfoEnabled()) {
                logger.info("Using HC5 HTTP client (Apache HttpComponents 5.x)");
            }
        }
    }

    }

    /**
     * Shuts down the thread pool.
     */
    public void shutdown() {
        if (logger.isInfoEnabled()) {
            logger.info("Shutting down suggester: index={}", index);
        }
        threadPool.shutdownNow();
    }

    /**
     * Creates a new index if no index exists.

            } else if (logger.isInfoEnabled()) {
                logger.info("IndexUpdater is terminated.");
                org.codelibs.fess.exec.Crawler.addError(t.getClass().getSimpleName());
            }
            forceStop();
        } finally {
            intervalControlHelper.setCrawlerRunning(true);
        }

        if (logger.isInfoEnabled()) {

     * @return The SuggestIndexResponse
     */
    public SuggestIndexResponse indexFromQueryLog(final ContentIndexingContext ctx, final QueryLog[] queryLogs) {
        if (logger.isInfoEnabled()) {
            logger.info("Indexing from query logs: count={}, index={}", queryLogs.length, ctx.getIndex());
        }
        try {
            final long start = System.currentTimeMillis();