assertTrue(CrawlerStatus.DONE.equals(CrawlerStatus.DONE));

        // Different instances
        assertFalse(CrawlerStatus.INITIALIZING.equals(CrawlerStatus.RUNNING));
        assertFalse(CrawlerStatus.INITIALIZING.equals(CrawlerStatus.DONE));
        assertFalse(CrawlerStatus.RUNNING.equals(CrawlerStatus.DONE));

        // Null comparison
        assertFalse(CrawlerStatus.INITIALIZING.equals(null));

     */
    public void test_status() {
        assertEquals(CrawlerStatus.INITIALIZING, crawlerContext.getStatus());

        crawlerContext.setStatus(CrawlerStatus.RUNNING);
        assertEquals(CrawlerStatus.RUNNING, crawlerContext.getStatus());

        crawlerContext.setStatus(CrawlerStatus.DONE);
        assertEquals(CrawlerStatus.DONE, crawlerContext.getStatus());

        crawlerContext.setStatus(null);

            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }
            }
            assertEquals(CrawlerStatus.RUNNING, crawler.crawlerContext.getStatus());

            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }
            }
            assertEquals(CrawlerStatus.RUNNING, crawler.crawlerContext.getStatus());

        }
    }

    /**
     * Stops the crawling process.
     * Sets the crawler status to DONE and interrupts all crawler threads.
     */
    public void stop() {
        crawlerContext.setStatus(CrawlerStatus.DONE);
        try {
            if (crawlerThreadGroup != null) {
                crawlerThreadGroup.interrupt();
            }
        } catch (final Exception e) {
            // ignore
        }

import org.codelibs.core.lang.ThreadUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.Crawler;
import org.codelibs.fess.crawler.CrawlerContext;
import org.codelibs.fess.crawler.CrawlerStatus;
import org.codelibs.fess.crawler.interval.FessIntervalController;
import org.codelibs.fess.crawler.service.impl.OpenSearchDataService;
import org.codelibs.fess.crawler.service.impl.OpenSearchUrlFilterService;

```java
// Configure for background execution
crawler.setBackground(true);
String sessionId = crawler.execute();

// Check crawling status
while (crawler.crawlerContext.getStatus() == CrawlerStatus.RUNNING) {
    Thread.sleep(1000);
    System.out.println("Crawling in progress...");
}

// Wait for completion
crawler.awaitTermination();
System.out.println("Crawling completed");
```

 * and provides methods for logging messages using {@link LogHelper}.
 * </p>
 *
 * <p>
 * The crawling process continues until the crawler status is {@link CrawlerStatus#DONE} or the
 * {@link #isContinue(int)} method returns {@code false}.
 * </p>
 *
 */
public class CrawlerThread implements Runnable {
    /**
     * Constructs a new CrawlerThread.
     */

labels.crawling_info_CrawlerStartTime=Starttijd crawler
labels.crawling_info_CrawlerEndTime=Eindtijd crawler
labels.crawling_info_CrawlerExecTime=Uitvoeringstijd crawler
labels.crawling_info_CrawlerStatus=Crawlerstatus
labels.crawling_info_WebFsCrawlExecTime=Crawltijd (Web/Bestand)
labels.crawling_info_WebFsCrawlStartTime=Starttijd crawl (Web/Bestand)
labels.crawling_info_WebFsCrawlEndTime=Eindtijd crawl (Web/Bestand)

    // Crawler Info Map Keys
    // ============================================================

    /** Info map key for crawler status information. */
    public static final String CRAWLER_STATUS = "CrawlerStatus";

    /** Info map key for crawler error information. */
    public static final String CRAWLER_ERRORS = "CrawlerErrors";

    /** Info map key for crawler start time. */