assertNull(dataService.getAccessResult("id1", "http://www.id1.com/"));
        assertNotNull(dataService.getAccessResult("id2", "http://www.id2.com/"));

        dataService.store(accessResult1);
        assertNotNull(dataService.getAccessResult("id1", "http://www.id1.com/"));

        dataService.deleteAll();

        assertNull(dataService.getAccessResult("id1", "http://www.id1.com/"));

        dataService.store(accessResult1);

        final AccessResult accessResult2 = dataService.getAccessResult("id1", "http://www.id1.com/");
        assertNotNull(accessResult2);

        accessResult2.setMimeType("text/html");
        dataService.update(accessResult2);

        final AccessResult accessResult3 = dataService.getAccessResult("id1", "http://www.id1.com/");
        assertNotNull(accessResult3);

    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.service.DataService#getAccessResult(java.lang.String,
     * java.lang.String)
     */
    @Override
    public AccessResultImpl<Long> getAccessResult(final String sessionId, final String url) {
        return dataHelper.getAccessResultMap(sessionId).get(url);
    }

    /*
     * (non-Javadoc)

    void update(RESULT accessResult);

    void update(List<RESULT> accessResult);

    int getCount(String sessionId);

    void delete(String sessionId);

    void deleteAll();

    RESULT getAccessResult(String sessionId, String url);

    List<RESULT> getAccessResultList(String url, boolean hasData);

    void iterate(String sessionId, final AccessResultCallback<RESULT> accessResultCallback);

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

    }

    @Override
    public void delete(final String sessionId) {
        deleteBySessionId(sessionId);
    }

    @Override
    public OpenSearchAccessResult getAccessResult(final String sessionId, final String url) {
        return get(OpenSearchAccessResult.class, sessionId, url);
    }

    @Override

        String enc = parentEncodingMap.get(key);
        if (enc != null) {
            return enc;
        }

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

        final String sessionId = urlQueue.getSessionId();
        if (super.exists(sessionId, url)) {
            return true;
        }

        final AccessResult<String> accessResult = dataService.getAccessResult(sessionId, url);
        return accessResult != null;
    }

    @Override
    protected boolean exists(final String sessionId, final String url) {
        final boolean ret = super.exists(sessionId, url);