*/
    @Override
    public void iterate(final String sessionId, final AccessResultCallback<AccessResultImpl<Long>> accessResultCallback) {
        final Map<String, AccessResultImpl<Long>> arMap = dataHelper.getAccessResultMap(sessionId);
        for (final Map.Entry<String, AccessResultImpl<Long>> entry : arMap.entrySet()) {
            accessResultCallback.iterate(entry.getValue());
        }
    }

    /**

public interface AccessResultCallback<RESULT extends AccessResult<?>> {
    /**
     * Processes the given access result.
     *
     * @param accessResult the result of the access operation to be processed
     */
    void iterate(RESULT accessResult);

     *
     * @param sessionId The session ID.
     * @param callback The callback to execute for each access result.
     */
    @Override
    public void iterate(final String sessionId, final AccessResultCallback<OpenSearchAccessResult> callback) {
        SearchResponse response = getClient().get(c -> c.prepareSearch(index)
                .setScroll(new TimeValue(scrollTimeout))

            accessResult.setUrl("http://www.example.com/page" + i);

            dataService.store(accessResult);
        }

        // Test iterate
        final List<String> urls = new ArrayList<>();
        dataService.iterate(sessionId, accessResult -> {
            urls.add(accessResult.getUrl());
        });

        assertEquals(10, urls.size());
        for (int i = 1; i <= 10; i++) {

```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 -> {
    System.out.println(accessResult.getUrl());
    System.out.println(accessResult.getContent());
});

// Cleanup
ds.delete(sessionId);
```

            @Override
            public List<AccessResult<?>> getAccessResultList(String url, boolean hasData) {
                return null;
            }

            @Override
            public void iterate(String sessionId, AccessResultCallback<AccessResult<?>> callback) {
            }
        };

        CrawlingParameterUtil.setDataService(service);

        // Verify it can be retrieved

import org.opensearch.transport.client.Client;

/**
 * <p>
 * {@link ESSourceReader} reads documents from Elasticsearch using the scroll API.
 * It implements the {@link DocumentReader} interface to provide a way to iterate over documents
 * in a large index without loading all of them into memory at once.
 * </p>
 *
 * <p>
 * The reader supports limiting the number of documents read based on a percentage of the total documents

     * @param sessionId The new session ID.
     */
    @Override
    public void generateUrlQueues(final String previousSessionId, final String sessionId) {
        dataService.iterate(previousSessionId, accessResult -> {
            final OpenSearchUrlQueue urlQueue = new OpenSearchUrlQueue();
            urlQueue.setSessionId(sessionId);
            urlQueue.setMethod(accessResult.getMethod());

            }
        }
        return documentItems;
    }

    /**
     * Performs a scroll search for processing large result sets efficiently.
     *
     * This method uses OpenSearch scroll API to iterate through large numbers of
     * documents without loading them all into memory at once.
     *
     * @param params The search request parameters
     * @param cursor Function to process each document in the result set