* Specified failure types will not be logged or counted as errors.
     */
    @Size(max = 1000)
    public String ignoreFailureType;

    /**
     * Threshold for failure count before stopping crawling of a URL.
     * Set to -1 to disable the threshold check.
     */
    @Required
    @Min(-1)
    @Max(10000)
    @ValidateTypeFailure
    public Integer failureCountThreshold;

    /**

    /**
     * Stops the crawling process.
     * Sets the crawler status to DONE and interrupts all crawler threads.
     */
    public void stop() {
        if (logger.isInfoEnabled()) {
            logger.info("Stopping crawler: sessionId={}, status={}", crawlerContext.sessionId, crawlerContext.getStatus());
        }
        crawlerContext.setStatus(CrawlerStatus.DONE);
        try {
            if (crawlerThreadGroup != null) {

     */
    @PreDestroy
    public void destroy() {
        for (final String sessionId : runningProcessMap.keySet()) {
            if (logger.isInfoEnabled()) {
                logger.info("Stopping process {}", sessionId);
            }
            if (destroyProcess(sessionId) == 0 && logger.isInfoEnabled()) {
                logger.info("Stopped process {}", sessionId);
            }
        }
    }

        }
        if (logger.isDebugEnabled()) {
            logger.debug(officeManager.getClass().getSimpleName() + " is started.");
        }
    }

    /**
     * Destroys the extractor by stopping the office manager.
     *
     * @throws CrawlerSystemException if the office manager fails to stop
     */
    @PreDestroy
    public void destroy() {
        try {
            officeManager.stop();

    }

    /**
     * Stops a running scheduled job.
     *
     * @param form the edit form containing the ID of the job to stop
     * @return HTML response redirecting to the list page after stopping
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse stop(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.DETAILS, this::asListHtml);
        final String id = form.id;

        return new File(LaServletContextUtil.getServletContext().getRealPath(path));
    }

    /**
     * Checks if the system is in a force-stop state.
     *
     * @return true if the system is force-stopping, false otherwise.
     */
    public boolean isForceStop() {
        return forceStop.get();
    }

    /**
     * Sets the force-stop state of the system.
     *

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

    /**
     * Adds a finished session ID to the cleanup list.

 * and format settings.
 *
 * <p>The generator validates image MIME types, processes image data through
 * ImageIO operations, and applies scaling and cropping to generate thumbnails
 * that meet the specified size requirements.</p>
 *
 */
public class HtmlTagBasedGenerator extends BaseThumbnailGenerator {

 */
public class RelatedQueryHelper extends AbstractConfigHelper {
    private static final Logger logger = LogManager.getLogger(RelatedQueryHelper.class);

    /**
     * Map storing related queries organized by virtual host key and search term.
     * The outer map key is the virtual host key, the inner map key is the search term
     * (in lowercase), and the value is an array of related query strings.
     */

 */
public class HostIntervalController extends DefaultIntervalController {

    /** Default cache expire duration in hours */
    private static final long DEFAULT_CACHE_EXPIRE_HOURS = 1L;

    /** Cache storing the last access time for each host. */
    private final Cache<String, AtomicLong> lastTimes;

    /**
     * Constructs a new HostIntervalController with default parameters.
     */
    public HostIntervalController() {