if (currentPageNumber <= 0) {
            currentPageNumber = getDefaultCurrentPageNumber();
        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number (1-based).
     *
     * @param currentPageNumber the current page number to set
     */
    public void setCurrentPageNumber(final int currentPageNumber) {

    public int getCurrentPageNumber() {
        if (currentPageNumber <= 0) {
            currentPageNumber = getDefaultCurrentPageNumber();
        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number.
     *
     * @param currentPageNumber the current page number
     */
    public void setCurrentPageNumber(final int currentPageNumber) {
        this.currentPageNumber = currentPageNumber;

        if (currentPageNumber <= 0) {
            currentPageNumber = getDefaultCurrentPageNumber();
        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number being displayed.
     *
     * @param currentPageNumber the current page number
     */
    public void setCurrentPageNumber(final int currentPageNumber) {

				<li
					<c:choose>
						<c:when test="${pageNumber < currentPageNumber - 2 || pageNumber > currentPageNumber + 2}">class="page-item d-none d-sm-inline-block"</c:when>
						<c:when test="${pageNumber == currentPageNumber && pageNumber >= currentPageNumber - 2 && pageNumber <= currentPageNumber + 2}">class="page-item active"</c:when>
						<c:otherwise>class="page-item"</c:otherwise>
					</c:choose>>

        existNextPage = startWithOffset < (long) (allPageCount - 1) * (long) pageSize;
        currentPageNumber = start / pageSize + 1;
        if (existNextPage && size() < pageSize) {
            // collapsing
            existNextPage = false;
            allPageCount = currentPageNumber;
        }
        currentStartRecordNumber = allRecordCount != 0 ? start + 1 : 0;

         */
        public boolean isExistPrePage() {
            return currentPageNumber != 1;
        }

        /**
         * Checks if a next page exists.
         *
         * @return true if there is a next page, false otherwise
         */
        public boolean isExistNextPage() {
            return currentPageNumber != allPageCount;
        }

        /**

                                                                                   styleClass="page-link"
                                                                                   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>

            RenderDataUtil.register(data, "execTime", execTime);
            RenderDataUtil.register(data, "pageSize", pageSize);
            RenderDataUtil.register(data, "currentPageNumber", currentPageNumber);
            RenderDataUtil.register(data, "allRecordCount", allRecordCount);
            RenderDataUtil.register(data, "allRecordCountRelation", allRecordCountRelation);

            RenderDataUtil.register(data, "execTime", execTime);
            RenderDataUtil.register(data, "pageSize", pageSize);
            RenderDataUtil.register(data, "currentPageNumber", currentPageNumber);
            RenderDataUtil.register(data, "allRecordCount", allRecordCount);
            RenderDataUtil.register(data, "allRecordCountRelation", allRecordCountRelation);

            final String queryTime = Long.toString(data.getQueryTime());
            final String pageSize = Integer.toString(data.getPageSize());
            final String currentPageNumber = Integer.toString(data.getCurrentPageNumber());
            final String allRecordCount = Long.toString(data.getAllRecordCount());
            final String allRecordCountRelation = data.getAllRecordCountRelation();