public Integer page = Constants.DEFAULT_ADMIN_PAGE_NUMBER;

    public int getPageSize() {
        if (size != null) {
            return size;
        }
        return ComponentUtil.getFessConfig().getPagingPageSizeAsInteger();
    }

    public int getCurrentPageNumber() {
        if (page != null) {
            return page;
        }
        return Constants.DEFAULT_ADMIN_PAGE_NUMBER;

import org.codelibs.fess.util.ComponentUtil;

public class FileAuthPager implements Serializable {

    private static final long serialVersionUID = 1L;

    public static final int DEFAULT_PAGE_SIZE = 20;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

import org.codelibs.fess.util.ComponentUtil;

public class CrawlingInfoPager implements Serializable {

    private static final long serialVersionUID = 1L;

    public static final int DEFAULT_PAGE_SIZE = 20;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

import org.codelibs.fess.util.ComponentUtil;

public class WebConfigPager implements Serializable {

    private static final long serialVersionUID = 1L;

    public static final int DEFAULT_PAGE_SIZE = 20;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

import org.codelibs.fess.util.ComponentUtil;

public class BadWordPager implements Serializable {

    private static final long serialVersionUID = 1L;

    public static final int DEFAULT_PAGE_SIZE = 20;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

import org.codelibs.fess.util.ComponentUtil;

public class DuplicateHostPager implements Serializable {

    private static final long serialVersionUID = 1L;

    public static final int DEFAULT_PAGE_SIZE = 20;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

import org.codelibs.fess.util.ComponentUtil;

public class SchedulerPager implements Serializable {

    private static final long serialVersionUID = 1L;

    public static final int DEFAULT_PAGE_SIZE = 20;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

    public static final String LOG_TYPE_FAVORITE_COUNT = "favorite_count_agg";

    public static final String LOG_TYPE_USERINFO = "user_info";

    public static final int DEFAULT_PAGE_SIZE = 20;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

import org.codelibs.fess.util.ComponentUtil;

public class AccessTokenPager implements Serializable {
    private static final long serialVersionUID = 1L;

    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    private int allRecordCount;

    private int allPageCount;

    private boolean existPrePage;

    private boolean existNextPage;

    private List<Integer> pageNumberList;

        });
    }

    protected void searchPaging(final RenderData data, final SearchForm form) {
        RenderDataUtil.register(data, "roleItems", roleService.getRoleList(rolePager)); // page navi

        // restore from pager
        copyBeanToBean(rolePager, form, op -> op.include("id"));
    }

    // ===================================================================================