/**
 * 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.
     */

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN" 
	"http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
	<component name="urlQueueService"
		class="org.codelibs.fess.crawler.service.FessUrlQueueService">
		<arg>crawlerConfig</arg>
	</component>

     *
     * @param urlQueueService the UrlQueueService instance to be set, or null to remove the current instance
     */
    public static void setUrlQueueService(final UrlQueueService<UrlQueue<?>> urlQueueService) {
        if (urlQueueService == null) {
            URL_QUEUE_SERVICE_THREAD_LOCAL.remove();
        } else {
            URL_QUEUE_SERVICE_THREAD_LOCAL.set(urlQueueService);
        }
    }

    /**

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.

        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 UrlFilterService urlFilterService;

    @Resource
    private FileTransformer fileTransformer;

    @Resource
    private FesenClient fesenClient;

	</component>
	<component name="urlQueue" class="org.codelibs.fess.crawler.entity.UrlQueueImpl" instance="prototype" >
	</component>

	<!-- Service -->
	<component name="urlQueueService" class="org.codelibs.fess.crawler.service.impl.UrlQueueServiceImpl" instance="prototype" >
	</component>
	<component name="dataService" class="org.codelibs.fess.crawler.service.impl.DataServiceImpl" instance="prototype" >

	</component>
	<component name="urlQueue"
		class="org.codelibs.fess.crawler.entity.OpenSearchUrlQueue" instance="prototype">
	</component>

	<!-- Service -->
	<component name="urlQueueService"
		class="org.codelibs.fess.crawler.service.impl.OpenSearchUrlQueueService">
		<arg>crawlerConfig</arg>
	</component>
	<component name="dataService"
		class="org.codelibs.fess.crawler.service.impl.OpenSearchDataService">