return currentPageNumber != 1;
        }

        public boolean isExistNextPage() {
            return currentPageNumber != allPageCount;
        }

        public void setPageRangeSize(final int pageRangeSize) {
            this.pageRangeSize = pageRangeSize;
        }

        public List<Integer> createPageNumberList() {
            int startPage = currentPageNumber - pageRangeSize;