}
        // TODO Long, Integer, String supported only.

        // setup condition
        cb.query().addOrderBy_Name_Asc();

        // search

    }

    public List<Role> getAvailableRoleList() {
        return roleBhv.selectList(cb -> {
            cb.query().matchAll();
            cb.query().addOrderBy_Name_Asc();
            cb.paging(fessConfig.getPageRoleMaxFetchSizeAsInteger(), 1);
        });

        copyBeanToBean(userPager, form, op -> op.include("id"));
    }

    private void registerForms(final RenderData data) {
        RenderDataUtil.register(data, "roleItems", roleService.getAvailableRoleList());
        RenderDataUtil.register(data, "groupItems", groupService.getAvailableGroupList());
    }

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