return true;
    }

    @Override
    public void paging(int pageSize, int pageNumber) {
        if (pageSize <= 0) {
            throwPagingPageSizeNotPlusException(pageSize, pageNumber);
        }
        fetchFirst(pageSize);
        xfetchPage(pageNumber);
    }

    protected void throwPagingPageSizeNotPlusException(int pageSize, int pageNumber) {

     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }
        return pageSize;
    }

    /**
     * Sets the number of records to display per page.
     *
     * @param pageSize The page size
     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**

        private final int startPosition;
        private final int pageSize;
        private final int offset;

        TestSearchRequestParams(int startPosition, int pageSize, int offset) {
            this.startPosition = startPosition;
            this.pageSize = pageSize;
            this.offset = offset;
        }

        @Override
        public String getQuery() {

        public int getPageSize() {
            if (pageSize != -1) {
                return pageSize;
            }

            final String num = request.getParameter("num");
            if (StringUtil.isBlank(num)) {
                pageSize = fessConfig.getPagingSearchPageSizeAsInteger();
            } else {
                try {
                    pageSize = Integer.parseInt(num);

        private final int startPosition;
        private final int pageSize;
        private final int offset;

        TestSearchRequestParams(int startPosition, int pageSize, int offset) {
            this.startPosition = startPosition;
            this.pageSize = pageSize;
            this.offset = offset;
        }

        @Override
        public String getQuery() {

        return getProtwordsFile(dictId).map(file -> {
            final int pageSize = protwordsPager.getPageSize();
            final PagingList<ProtwordsItem> protwordsList =
                    file.selectList((protwordsPager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager

                                                                                   href="prev?q=${f:u(q)}&pn=${f:u(currentPageNumber)}&num=${f:u(pageSize)}&labelTypeValue=${f:u(labelTypeValue)}">
                                                        <la:message key="labels.prev_page"/>
                                                    </la:link></li>

        return true;
    }

    @Override
    public void paging(int pageSize, int pageNumber) {
        if (pageSize <= 0) {
            throwPagingPageSizeNotPlusException(pageSize, pageNumber);
        }
        fetchFirst(pageSize);
        xfetchPage(pageNumber);
    }

    protected void throwPagingPageSizeNotPlusException(int pageSize, int pageNumber) {

        return getStemmerOverrideFile(dictId).map(file -> {
            final int pageSize = stemmerOvberridePager.getPageSize();
            final PagingList<StemmerOverrideItem> stemmerOvberrideList =
                    file.selectList((stemmerOvberridePager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager

        return getCharMappingFile(dictId).map(file -> {
            final int pageSize = charMappingPager.getPageSize();
            final PagingList<CharMappingItem> charMappingList =
                    file.selectList((charMappingPager.getCurrentPageNumber() - 1) * pageSize, pageSize);

            // update pager