}
    }

    protected AccessResult<?> createAccessResult(final ResponseData responseData, final ResultData resultData) {
        final AccessResult<?> accessResult = crawlerContainer.getComponent("accessResult");
        accessResult.init(responseData, resultData);
        return accessResult;
    }

    protected boolean checkAccessCount(final CrawlerContext crawlerContext) {

import java.util.List;

import org.codelibs.fess.crawler.entity.AccessResult;
import org.codelibs.fess.crawler.util.AccessResultCallback;

/**
 * @author shinsuke
 *
 */
public interface DataService<RESULT extends AccessResult<?>> {

    void store(RESULT accessResult);

    void update(RESULT accessResult);

    void update(List<RESULT> accessResult);

    int getCount(String sessionId);

        return target;
    }

    // web/file
    public Map<String, Object> process(final Map<String, Object> target, final AccessResult<String> accessResult) {
        return process(target);
    }

    // datastore
    public Map<String, Object> process(final Map<String, Object> target, final DataStoreParams params) {
        return process(target);
    }

            final OpenSearchAccessResult accessResult = dataService.getAccessResult(getSessionId(), getUrl());
            if (accessResult != null && accessResult.accessResultData != null) {
                setAccessResultData(accessResult.accessResultData);
            } else {
                setAccessResultData(null);
            }
        }

        } else {
            URL_QUEUE_SERVICE_THREAD_LOCAL.set(urlQueueService);
        }
    }

    public static DataService<AccessResult<?>> getDataService() {
        return DATA_SERVICE_THREAD_LOCAL.get();
    }

    public static void setDataService(final DataService<AccessResult<?>> dataService) {
        if (dataService == null) {
            DATA_SERVICE_THREAD_LOCAL.remove();
        } else {

            }

            dataService.iterate(sessionId1, accessResult -> {
                assertTrue(accessResult.getUrl().startsWith(url1));
                assertEquals(Constants.GET_METHOD, accessResult.getMethod());
            });
            dataService.iterate(sessionId2, accessResult -> {
                assertTrue(accessResult.getUrl().startsWith(url2));

        if (enc != null) {
            return enc;
        }

        final AccessResult<?> accessResult = ComponentUtil.getDataService().getAccessResult(sessionId, parentUrl);
        if (accessResult != null) {
            final AccessResultData<?> accessResultData = accessResult.getAccessResultData();
            if (accessResultData != null && accessResultData.getEncoding() != null) {

                assertTrue(urlQueue.getUrl() + "=>" + url2, urlQueue.getUrl().startsWith(url2));
            }

            dataService.iterate(sessionId1, accessResult -> assertTrue(accessResult.getUrl().startsWith(url1)));
            dataService.iterate(sessionId2, accessResult -> assertTrue(accessResult.getUrl().startsWith(url2)));

            dataService.delete(sessionId1);
            dataService.delete(sessionId2);
        } finally {

                }
                return false;
            }
        }

        // check it in result
        final AccessResult<Long> accessResult = dataHelper.getAccessResultMap(urlQueue.getSessionId()).get(url);
        if (accessResult != null) {
            if (logger.isDebugEnabled()) {
                logger.debug("URL exists in a result: {}", url);
            }
            return false;

	</component>

	<!-- Crawler Thread -->
	<component name="crawlerThread" class="org.codelibs.fess.crawler.CrawlerThread" instance="prototype" >
	</component>

	<!-- Entity -->
	<component name="accessResult" class="org.codelibs.fess.crawler.entity.AccessResultImpl" instance="prototype" >
	</component>
	<component name="urlQueue" class="org.codelibs.fess.crawler.entity.UrlQueueImpl" instance="prototype" >
	</component>