*
 * @author shinsuke
 *
 */
public abstract class AbstractCrawlerService {
    /**
     * Creates a new instance of AbstractCrawlerService.
     */
    public AbstractCrawlerService() {
        // NOP
    }

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

    private static final String ID_SEPARATOR = ".";

import jakarta.annotation.Resource;

/**
 * OpenSearchUrlQueueService is an implementation of {@link UrlQueueService} for OpenSearch.
 *
 * @author shinsuke
 *
 */
public class OpenSearchUrlQueueService extends AbstractCrawlerService implements UrlQueueService<OpenSearchUrlQueue> {
    /**
     * Logger instance.
     */
    private static final Logger logger = LogManager.getLogger(OpenSearchUrlQueueService.class);

    /**