@Override
            public int size() {
                return 0;
            }
        };
        qrList.calculatePageInfo();
        assertEquals(20, qrList.getPageSize());
        assertEquals(1, qrList.getCurrentPageNumber());
        assertEquals(0, qrList.getAllRecordCount());
        assertEquals(1, qrList.getAllPageCount());
        assertEquals(false, qrList.isExistPrevPage());

                assertEquals(1, list.getCurrentPageNumber());
                assertEquals(1, list.getCurrentStartRecordNumber());
                assertEquals(0, list.getOffset());
                assertEquals(10, list.getPageSize());
                assertEquals(0, list.getStart());
                assertEquals("0", list.get(0).get(ID_FIELD));
                assertEquals("9", list.get(9).get(ID_FIELD));
            } else {
                fail();

    @Override
    protected SearchResult search(final String query, final SearchRequestParams params, final OptionalThing<FessUserBean> userBean) {
        final int pageSize = params.getPageSize();
        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
            request.setAttribute(Constants.REQUEST_PAGE_SIZE, pageSize);
        });

        pager.setAllPageCount(1);
        pager.setAllRecordCount(size);
        pager.setCurrentPageNumber(1);
        pager.setExistNextPage(false);
        pager.setExistPrePage(false);
        pager.setPageSize(pager.getPageSize());
    }

    private void createSearchLogCondition(final SearchLogPager pager, final SearchLogCB cb) {
        if (StringUtil.isNotBlank(pager.queryId)) {

            execTime = StringUtil.EMPTY;
        }
        data.setExecTime(execTime);

        final String queryId = ComponentUtil.getQueryHelper().generateId();

        data.setPageSize(queryResponseList.getPageSize());
        data.setCurrentPageNumber(queryResponseList.getCurrentPageNumber());
        data.setAllRecordCount(queryResponseList.getAllRecordCount());

        if (logger.isDebugEnabled()) {
            logger.debug("Send {} to the searchers.", query);
        }
        final int pageSize = params.getPageSize();
        final int startPosition = params.getStartPosition();
        if (startPosition * 2 >= windowSize) {
            int offset = params.getOffset();
            if (offset < 0) {
                offset = 0;

                pageNumber = pageNumber + move;
                if (pageNumber < 1) {
                    pageNumber = 1;
                }
                start = (pageNumber - 1) * form.getPageSize();
            }
        }
        form.start = start;

        return doSearch(form);
    }

    protected String getDisplayQuery(final SearchForm form, final List<Map<String, String>> labelTypeItems) {

            queryId = data.getQueryId();
            docs = data.getDocumentItems();
            highlightParams = data.getAppendHighlightParams();
            execTime = data.getExecTime();
            pageSize = data.getPageSize();
            pageNumber = data.getCurrentPageNumber();
            recordCount = data.getAllRecordCount();
            recordCountRelation = data.getAllRecordCountRelation();

        final PagingResultBean<CrawlingInfo> crawlingInfoList = crawlingInfoBhv.selectPage(cb -> {
            cb.paging(crawlingInfoPager.getPageSize(), crawlingInfoPager.getCurrentPageNumber());
            setupListCondition(cb, crawlingInfoPager);
        });

        // update pager

            pageNumber = pageNumber + move;
            if (pageNumber < 1) {
                pageNumber = 1;
            }
            form.start = (pageNumber - 1) * form.getPageSize();
        }
        return doSearch(form);
    }

    // -----------------------------------------------------
    // Confirm
    // -------

    @Execute
    @Secured({ ROLE })