/**
 * Service interface for managing URL queues.
 * Provides methods for adding, retrieving, and managing URLs within a crawling session.
 *
 * @param <QUEUE> the type of URL queue
 */
public interface UrlQueueService<QUEUE extends UrlQueue<?>> {

    /**
     * Updates the session ID.
     *
     * @param oldSessionId The old session ID.
     * @param newSessionId The new session ID.
     */

import org.dbflute.utflute.core.PlainTestCase;

public class CrawlerTest extends PlainTestCase {

    public Crawler crawler;

    public DataService dataService;

    public UrlQueueService urlQueueService;

    public FileTransformer fileTransformer;

    private StandardCrawlerContainer container;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

import org.codelibs.fess.crawler.entity.UrlQueueImpl;
import org.codelibs.fess.crawler.helper.MemoryDataHelper;
import org.codelibs.fess.crawler.service.UrlQueueService;

import jakarta.annotation.Resource;

/**
 * Implementation of the {@link UrlQueueService} interface.
 * This class provides methods for managing a queue of URLs to be crawled,
 * including adding, deleting, and retrieving URLs from the queue.

 * It uses various services and components, such as {@link UrlQueueService}, {@link DataService},
 * {@link CrawlerContainer}, {@link LogHelper}, {@link CrawlerClientFactory}, and {@link CrawlerContext},
 * to perform its tasks.
 * </p>
 *
 * <p>
 * The crawling process involves the following steps:
 * </p>
 * <ol>
 *   <li>Fetching a URL from the queue using {@link UrlQueueService#poll(String)}.</li>

        urlQueueService.insert(urlQueue);

        final OpenSearchUrlQueue urlQueue2 = new OpenSearchUrlQueue();
        urlQueue2.setCreateTime(System.currentTimeMillis());
        urlQueue2.setDepth(1);
        urlQueue2.setMethod("GET");
        urlQueue2.setSessionId("id2");
        urlQueue2.setUrl("http://www.id2.com/");

        urlQueueService.insert(urlQueue2);

public class CrawlerTest extends LastaDiTestCase {

    @Resource
    private Crawler crawler;

    @Resource
    private DataService dataService;

    @Resource
    private UrlQueueService urlQueueService;

    @Resource
    private FileTransformer fileTransformer;

    @Resource
    private CrawlerContainer crawlerContainer;

    @Override
    protected String prepareConfigFile() {
        return "crawler.xml";

    private static final Logger logger = LogManager.getLogger(Crawler.class);

    /**
     * Service for managing URL queues during crawling.
     */
    @Resource
    protected UrlQueueService<UrlQueue<?>> urlQueueService;

    /**
     * Service for managing access result data.
     */
    @Resource
    protected DataService<AccessResult<?>> dataService;

    /**

        final CrawlerContext crawlerContext = CrawlingParameterUtil.getCrawlerContext();
        final UrlQueueService<UrlQueue<?>> urlQueueService = CrawlingParameterUtil.getUrlQueueService();
        if (!urlQueueService.visited(urlQueue)) {
            if (checkAccessCount(crawlerContext)) {
                final AccessResult<?> accessResult = createAccessResult(responseData, resultData);

public class CrawlerTest extends LastaDiTestCase {

    @Resource
    private Crawler crawler;

    @Resource
    private DataService dataService;

    @Resource
    private UrlQueueService urlQueueService;

    @Resource
    private UrlFilterService urlFilterService;

    @Resource
    private FileTransformer fileTransformer;

    @Resource
    private FesenClient fesenClient;

    private LanguageHelper languageHelper;
    private FessConfig fessConfig;
    private SearchEngineClient searchEngineClient;
    private DataService<OpenSearchAccessResult> dataService;
    private UrlQueueService<OpenSearchUrlQueue> urlQueueService;
    private UrlFilterService urlFilterService;
    private ClickLogBhv clickLogBhv;
    private FavoriteLogBhv favoriteLogBhv;
    private IngestFactory ingestFactory;

    @Override