protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnBoost() {
            doColumn("boost");
        }

        public void columnCreatedBy() {
            doColumn("createdBy");

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnCreatedBy() {
            doColumn("createdBy");
        }

        public void columnCreatedTime() {

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnCreatedBy() {
            doColumn("createdBy");
        }

        public void columnCreatedTime() {

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnCreatedBy() {
            doColumn("createdBy");
        }

        public void columnCreatedTime() {

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnEndTime() {
            doColumn("endTime");
        }

        public void columnJobName() {
            doColumn("jobName");

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnAvailable() {
            doColumn("available");
        }

        public void columnCrawler() {

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnAuthRealm() {
            doColumn("authRealm");
        }

        public void columnCreatedBy() {

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnAccessType() {
            doColumn("accessType");
        }

        public void columnClientIp() {

                    cf.setSessionId_NotEqual(activeSessionId);
                }

            });

            cb.fetchFirst(fessConfig.getPageCrawlingInfoMaxFetchSizeAsInteger());
            cb.specify().columnId();
        });
        if (!crawlingInfoList.isEmpty()) {
            final List<String> crawlingInfoIdList = new ArrayList<>();
            for (final CrawlingInfo cs : crawlingInfoList) {

        protected List<String> columnList = new ArrayList<>();

        public void doColumn(String name) {
            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnName() {
            doColumn("name");
        }
    }