crawlerContext.setMaxDepth(5);
        assertEquals(5, crawlerContext.getMaxDepth());

        crawlerContext.setMaxDepth(0);
        assertEquals(0, crawlerContext.getMaxDepth());

        crawlerContext.setMaxDepth(-1);
        assertEquals(-1, crawlerContext.getMaxDepth());

        crawlerContext.setMaxDepth(Integer.MAX_VALUE);

crawler.crawlerContext.setMaxAccessCount(1000);

// Set number of crawler threads
crawler.crawlerContext.setNumOfThread(10);

// Set maximum crawl depth
crawler.crawlerContext.setMaxDepth(3);

// Set request interval (politeness)
crawler.crawlerContext.setDefaultIntervalTime(1000); // 1 second
```

### URL Filtering

```java
// Include patterns

        crawler.crawlerContext.setMaxThreadCheckCount(3);
        // crawler.robotContext.setMaxAccessCount(maxCount);
        crawler.crawlerContext.setNumOfThread(numOfThread);
        crawler.crawlerContext.setMaxDepth(1);
        crawler.urlFilter.addInclude(url + ".*");
        final String sessionId = crawler.execute();
        assertEquals(maxCount, dataService.getCount(sessionId));
        dataService.delete(sessionId);
    }

        crawler.crawlerContext.setMaxThreadCheckCount(3);
        // crawler.crawlerContext.setMaxAccessCount(maxCount);
        crawler.crawlerContext.setNumOfThread(numOfThread);
        crawler.crawlerContext.setMaxDepth(1);
        crawler.urlFilter.addInclude(url + ".*");
        final String sessionId = crawler.execute();
        assertEquals(maxCount, dataService.getCount(sessionId));
        dataService.delete(sessionId);
    }