*/
    @Resource
    protected UrlQueueService<UrlQueue<?>> urlQueueService;

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

    /**
     * Container for managing crawler components.
     */
    @Resource
    protected CrawlerContainer crawlerContainer;

    /**

context.setMaxDepth(3);           // Max depth (-1 = unlimited)
context.setNumOfThread(10);       // Concurrent threads
```

### Accessing Results

```java
DataService ds = container.getComponent("dataService");

// Count
int count = ds.getCount(sessionId);

// Get by URL
AccessResult result = ds.getAccessResult(sessionId, url);

// Iterate all
ds.iterate(sessionId, accessResult -> {

    private CrawlerThread crawlerThread;
    private CrawlerContext crawlerContext;
    private UrlQueueService<UrlQueue<?>> urlQueueService;
    private DataService dataService;
    private CrawlerContainer crawlerContainer;
    private LogHelper logHelper;
    private CrawlerClientFactory clientFactory;
    private UrlFilter urlFilter;
    private RuleManager ruleManager;

    @Override
    @SuppressWarnings("unchecked")

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

    /**
     * Data service for checking access results.
     */
    @Resource
    protected OpenSearchDataService dataService;

    /**
     * Cache for session queues.
     */
    protected Map<String, QueueHolder> sessionCache = new ConcurrentHashMap<>();

    /**
     * The number of URLs to fetch when polling.
     */

import org.opensearch.search.SearchHits;

import jakarta.annotation.PostConstruct;

/**
 * OpenSearchDataService is an implementation of {@link DataService} for OpenSearch.
 */
public class OpenSearchDataService extends AbstractCrawlerService implements DataService<OpenSearchAccessResult> {

    /**
     * Fields to fetch for access result list without data.
     */

     */
    @Resource
    protected UrlQueueService<UrlQueue<?>> urlQueueService;

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

    /**
     * Filter for URLs to control which URLs are crawled.
     */
    @Resource
    protected UrlFilter urlFilter;

    /**
     * Manager for crawling rules and configurations.

import org.codelibs.fess.crawler.helper.MemoryDataHelper;
import org.codelibs.fess.crawler.service.DataService;
import org.codelibs.fess.crawler.util.AccessResultCallback;

import jakarta.annotation.Resource;

/**
 * Implementation of the {@link DataService} interface for managing access result data.
 * This class provides methods to store, retrieve, update, and delete access results,

     */
    @Override
    public AccessResultData<String> getAccessResultData() {
        if (!initializedData) {
            final OpenSearchDataService dataService = SingletonLaContainer.getComponent(OpenSearchDataService.class);
            final OpenSearchAccessResult accessResult = dataService.getAccessResult(getSessionId(), getUrl());
            if (accessResult != null && accessResult.accessResultData != null) {

	</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">
		<arg>crawlerConfig</arg>
	</component>
	<component name="urlFilterService"

	</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="urlFilterService" class="org.codelibs.fess.crawler.service.impl.UrlFilterServiceImpl" instance="prototype" >