下面列出了org.hibernate.criterion.Order#desc ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
public Object visitOrder(OrderExpression order_expression,
Object filter_result, SortOrder sort_order)
{
Order order;
String property = ((Member) filter_result).getName();
switch (sort_order)
{
case asc:
{
order = Order.asc(property);
break;
}
case desc:
{
order = Order.desc(property);
break;
}
default:
{
throw new UnsupportedOperationException("Unsupported order: " + sort_order);
}
}
return order;
}
public List<Question> top(String section, int count, DateTime since) {
Order order;
if (section.equals("viewed")) {
order = Order.desc("q.views");
}
else if (section.equals("answered")) {
order = Order.desc("q.answerCount");
}
else /*if (section.equals("voted"))*/ {
order = Order.desc("q.voteCount");
}
return session.createCriteria(Question.class, "q")
.add(and(Restrictions.eq("q.moderationOptions.invisible", false)))
.add(gt("q.createdAt", since))
.addOrder(order)
.setMaxResults(count)
.list();
}
/**
* 设置分页参数到Criteria对象,辅助函数.
*
* @param c Hibernate Criteria
* @param pageRequest 分页请求参数
*
* @return {@link Criteria}
*/
protected Criteria setPageRequestToCriteria( Criteria c, PageRequest pageRequest) {
Assert.isTrue(pageRequest.getPageSize() > 0, "分页大小必须大于0");
c.setFirstResult(pageRequest.getOffset());
c.setMaxResults(pageRequest.getPageSize());
if (pageRequest.isOrderBySetted()) {
for (Sort sort : pageRequest.getSort()) {
Order order = null;
if (sort.getDir().equals(Sort.ASC)) {
order = Order.asc(sort.getProperty());
} else {
order = Order.desc(sort.getProperty());
}
c.addOrder(order);
}
}
return c;
}
@SuppressWarnings("unchecked")
public String list() {
int pageNum=1;
int pageSize=20;
String name=getRequest().getParameter("name");
String queryOrderBy=getRequest().getParameter("queryOrderBy");
String pageSizeStr=getRequest().getParameter("pageSize");
String pageNumStr=getRequest().getParameter("pageNo");
Set<Criterion> criterions=new HashSet<Criterion>(2);
Set<Order> orders=new HashSet<Order>(1);
Order orderByIdDesc=Order.desc("id");
orders.add(orderByIdDesc);
if(!StringUtil.isNullOrEmpty(name)){
criterions.add(Restrictions.like("name", "%"+name.trim()+"%"));
}
if(!StringUtil.isNullOrEmpty(queryOrderBy)&&queryOrderBy.equals("asc")){
orders.remove(orderByIdDesc);
orders.add(Order.asc("id"));
}
if(!StringUtil.isNullOrEmpty(pageSizeStr)){
pageSize=Integer.parseInt(pageSizeStr);
}
if (!StringUtil.isNullOrEmpty(pageNumStr)) {
pageNum=Integer.parseInt(pageNumStr);
}
Page page=tagService.pageCQuery(pageNum, pageSize, criterions,orders,"id");
getContextMap().put("page", page);
getContextMap().put("params", getParameters());
return "list";
}
private void searchCollectionsAddOrder(String sortColumn, String sortDirection, Criteria criteria) {
if (StringUtils.hasText(sortColumn)) {
if ("owner".equals(sortColumn)){
sortColumn = "owner.userName";
criteria.createAlias("owner", "owner");
}
Order order;
if ("ASC".equals(sortDirection)){
order = Order.asc(sortColumn);
} else {
order = Order.desc(sortColumn);
}
criteria.addOrder(order);
}
}
public Order getDefaultOrder() {
return Order.desc(Session.PROP_SESSION_BEGIN_DATE_TIME);
}
@Override
public Order getOrder() {
return Order.desc("p.createdAt");
}
@Override
public Order getOrder() {
return Order.desc("p.voteCount");
}
@SuppressWarnings("unchecked")
public String list() {
int pageNum=1;
int pageSize=20;
String title=getRequest().getParameter("title");
String gscatalogidStr=getRequest().getParameter("gscatalogid");
String zycatalogidStr=getRequest().getParameter("zycatalogid");
String queryOrderBy=getRequest().getParameter("queryOrderBy");
String pageSizeStr=getRequest().getParameter("pageSize");
String pageNumStr=getRequest().getParameter("pageNo");
Set<Criterion> criterions=new HashSet<Criterion>(2);
Set<Order> orders=new HashSet<Order>(1);
Order orderByIdDesc=Order.desc("id");
orders.add(orderByIdDesc);
if(!StringUtil.isNullOrEmpty(title)){
criterions.add(Restrictions.like("title", "%"+title.trim()+"%"));
}
if(!StringUtil.isNullOrEmpty(gscatalogidStr)){
criterions.add(Restrictions.eq("repGscatalog.id", Integer.parseInt(gscatalogidStr)));
}
if(!StringUtil.isNullOrEmpty(zycatalogidStr)){
criterions.add(Restrictions.eq("repZycatalog.id", Integer.parseInt(zycatalogidStr)));
}
if(!StringUtil.isNullOrEmpty(queryOrderBy)&&queryOrderBy.equals("asc")){
orders.remove(orderByIdDesc);
orders.add(Order.asc("id"));
}
if(!StringUtil.isNullOrEmpty(pageSizeStr)){
pageSize=Integer.parseInt(pageSizeStr);
}
if (!StringUtil.isNullOrEmpty(pageNumStr)) {
pageNum=Integer.parseInt(pageNumStr);
}
List<RepGscatalog> gscatalogs=gsCatalogService.loadAll();
List<RepZycatalog> zycatalogs=zyCatalogService.loadAll();
Page page=topicService.pageCQuery(pageNum, pageSize, criterions,orders,"id");
getContextMap().put("page", page);
getContextMap().put("params", getParameters());
getContextMap().put("gscatalogs", gscatalogs);
getContextMap().put("zycatalogs", zycatalogs);
return "list";
}
/**
* 显示公告列表，加上分页
*
* @return
*/
public String list() {
int pageNum = 1;
int pageSize = 20;
List<String> likenNames = Arrays.asList("title", "adduser");
List<String> eqNames = Arrays.asList("ispassed");
Set<Criterion> criterions = new HashSet<Criterion>();
Set<Order> orders = new HashSet<Order>();
Order order = Order.desc("id");
orders.add(order);
for (Map.Entry<String, Object> param : getParameters().entrySet()) {
String name = param.getKey();
String value = ((String[]) param.getValue())[0];
if (value != null && !value.isEmpty()) {
if (eqNames.contains(name)) {
if(!value.equals("-1")){
criterions.add(Restrictions.eq(name, Integer.parseInt(value)));
}
} else if (likenNames.contains(name)) {
if (name.equals("adduser")) {
criterions.add(
// Restrictions.sqlRestriction("(select u.username from rep_admin u where u.id={alias}.adminid) like '%"+value+"%'"));
Restrictions.like("author", "%"+value.trim()+"%"));
} else {
criterions.add(Restrictions.like(name, "%"+value.trim()+"%"));
}
} else if (name.equals(Page.PAGENO)) {
pageNum = Integer.parseInt(value);
} else if (name.equals(Page.QUERYORDERBY)) {
if (value.equals("asc")) {
orders.remove(order);
orders.add(Order.asc("id"));
}else if (value.equals("addtime_desc")) {
orders.remove(order);
orders.add(Order.desc("addtime"));
}else if (value.equals("addtime_asc")) {
orders.remove(order);
orders.add(Order.asc("addtime"));
}
} else if (name.equals(Page.PAGESIZE)) {
pageSize = Integer.parseInt(value);
if (pageSize <= 0) {
pageSize = 20;
}
}
}
}
Page page = noticeService.pageCQuery(pageNum, pageSize, criterions,orders, "id");
getContextMap().put("page", page);
getContextMap().put("params", getParameters());
return "list";
}
public String list() {
int pageNum=1;
int pageSize=20;
/*Cookie[] cookies=request.getCookies();
boolean cookieExistFlag=false;
for (Cookie cookie : cookies) {
if(cookie.getName().equals(Page._COOKIE_PAGE_SIZE)){
pageSize=Integer.parseInt(cookie.getValue());
cookieExistFlag=true;
}
}
if(!cookieExistFlag){
Cookie cookie=new Cookie(Page._COOKIE_PAGE_SIZE, "20");
response.addCookie(cookie);
}
*/
List<String> likenNames=Arrays.asList("username","school","major");
List<String> eqNames=Arrays.asList("islock","ispassed","teacherorstu","roleid");
Set<Criterion> criterions=new HashSet<Criterion>();
Set<Order> orders=new HashSet<Order>();
Order order=Order.desc("id");
orders.add(order);
for (Map.Entry<String, Object> param : getParameters().entrySet()) {
String name=param.getKey();
String value=((String[])param.getValue())[0];
if(value!=null&&!value.isEmpty()){
if(eqNames.contains(name)){
if(!value.equals("-1")){
if(name.equals("roleid")){
criterions.add(Restrictions.eq("repRole.id", Integer.parseInt(value)));
}else {
criterions.add(Restrictions.eq(name, Integer.parseInt(value)));
}
}
}else if(likenNames.contains(name)){
criterions.add(Restrictions.like(name, "%"+value.trim()+"%"));
}else if(name.equals(Page.PAGENO)){
pageNum=Integer.parseInt(value);
}else if(name.equals(Page.QUERYORDERBY)){
if(value.equals("asc")){
orders.remove(order);
orders.add(Order.asc("id"));
}
}else if (name.equals(Page.PAGESIZE)) {
pageSize=Integer.parseInt(value);
if(pageSize<=0){
pageSize=20;
}
}
}
}
Page page=adminService.pageCQuery(pageNum, pageSize, criterions, orders,"id");
getContextMap().put("page", page);
getContextMap().put("params", getParameters());
List<RepRole> roles=roleService.loadAll();
getContextMap().put("roles", roles);
return "list";
}
public String list() {
int pageNum=1;
int pageSize=20;
/*Cookie[] cookies=request.getCookies();
boolean cookieExistFlag=false;
for (Cookie cookie : cookies) {
if(cookie.getName().equals(Page._COOKIE_PAGE_SIZE)){
pageSize=Integer.parseInt(cookie.getValue());
cookieExistFlag=true;
}
}
if(!cookieExistFlag){
Cookie cookie=new Cookie(Page._COOKIE_PAGE_SIZE, "20");
response.addCookie(cookie);
}
*/
List<String> likenNames=Arrays.asList("username","school","major");
List<String> eqNames=Arrays.asList("islock","ispassed","teacherorstu");
Set<Criterion> criterions=new HashSet<Criterion>();
Set<Order> orders=new HashSet<Order>();
Order order=Order.desc("id");
orders.add(order);
/*
* 注：此方法下方的注释部分是pageQuery方法拼接hql语句的分页实现方案
*
* @author 杨真 8-16 9:41
*/
// StringBuilder hql=new StringBuilder("from RepUser u ");
// String orderBy="desc";
// ArrayList<Object> hqlParams=new ArrayList<Object>();
// int paramIndex=0;
for (Map.Entry<String, Object> param : getParameters().entrySet()) {
String name=param.getKey();
String value=((String[])param.getValue())[0];
if(value!=null&&!value.isEmpty()){
// if(eqNames.contains(name)&&!value.equals("-1")){
if(eqNames.contains(name)){
criterions.add(Restrictions.eq(name, Integer.parseInt(value)));
/*if(paramIndex==0){
hql.append("where ");
hql.append("u."+name+" =? ");
}else {
hql.append("and u."+name+" =? ");
}
hqlParams.add(paramIndex,Integer.parseInt(value));
paramIndex++;*/
}else if(likenNames.contains(name)){
criterions.add(Restrictions.like(name, "%"+value.trim()+"%"));
/*if(paramIndex==0){
hql.append("where ");
hql.append("u."+name+" like ? ");
}else{
hql.append("and u."+name+" like ? ");
}
hqlParams.add(paramIndex,"%"+value+"%");
paramIndex++;*/
}else if(name.equals(Page.PAGENO)){
pageNum=Integer.parseInt(value);
}else if(name.equals(Page.QUERYORDERBY)){
if(value.equals("asc")){
// orderBy="asc";
orders.remove(order);
orders.add(Order.asc("id"));
}
}else if (name.equals(Page.PAGESIZE)) {
pageSize=Integer.parseInt(value);
if(pageSize<=0){
pageSize=20;
}
}
}
}
// hql.append("order by u.id "+orderBy);
//
// System.out.println(hql);
//
// Page page=userService.pageQuery(hql.toString(), pageNum, pageSize, hqlParams.toArray());
Page page=userService.pageCQuery(pageNum, pageSize, criterions, orders,"id");
getContextMap().put("page", page);
getContextMap().put("params", getParameters());
return "list";
}
public String list() {
int pageNum=1;
int pageSize=20;
List<String> likenNames=Arrays.asList("operationtype","description","operationip");
// List<String> eqNames=Arrays.asList("islock","ispassed","teacherorstu","roleid");
Set<Criterion> criterions=new HashSet<Criterion>();
Set<Order> orders=new HashSet<Order>();
Order order=Order.desc("id");
orders.add(order);
for (Map.Entry<String, Object> param : getParameters().entrySet()) {
String name=param.getKey();
String value=((String[])param.getValue())[0];
if(value!=null&&!value.isEmpty()){
if(likenNames.contains(name)){
criterions.add(Restrictions.like(name, "%"+value+"%"));
}else if(name.equals("adminid")){
criterions.add(Restrictions.eq("repAdmin.id", Integer.parseInt(value)));
}else if(name.equals(Page.PAGENO)){
pageNum=Integer.parseInt(value);
}else if(name.equals(Page.QUERYORDERBY)){
if(value.equals("asc")){
orders.remove(order);
orders.add(Order.asc("id"));
}
}else if (name.equals(Page.PAGESIZE)) {
pageSize=Integer.parseInt(value);
if(pageSize<=0){
pageSize=20;
}
}
}
}
String starttimeStr=getRequest().getParameter("starttime");
String endtimeStr=getRequest().getParameter("endtime");
if(starttimeStr!=null&&!starttimeStr.isEmpty()&&endtimeStr!=null&&!endtimeStr.isEmpty()){
try {
SimpleDateFormat dateFormat=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date startTime = dateFormat.parse(starttimeStr);
Date endTime = dateFormat.parse(endtimeStr);
criterions.add(Restrictions.between("operationtime", startTime, endTime));
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
Page page=logService.pageCQuery(pageNum, pageSize, criterions, orders,"id");
getContextMap().put("page", page);
getContextMap().put("params", getParameters());
List<RepAdmin> admins=adminService.loadAll();
getContextMap().put("admins", admins);
return "list";
}
public String list(){
int pageNum = 1;
int pageSize = 20;
List<String> likenNames = Arrays.asList("title", "adduser");
List<String> eqNames = Arrays.asList("ispassed","isreplied");
Set<Criterion> criterions = new HashSet<Criterion>();
Set<Order> orders = new HashSet<Order>();
Order order = Order.desc("id");
orders.add(order);
for (Map.Entry<String, Object> param : getParameters().entrySet()) {
String name = param.getKey();
String value = ((String[]) param.getValue())[0];
if (value != null && !value.isEmpty()) {
if (eqNames.contains(name)) {
criterions.add(Restrictions.eq(name, Integer.parseInt(value)));
} else if (likenNames.contains(name)) {
if (name.equals("adduser")) {
// criterions.add(Restrictions.like("repUser.username", "%"+value+"%"));
criterions.add(
Restrictions.sqlRestriction(
"(select u.username from rep_user u where u.id={alias}.userid) like '%"+value+"%'"));
}else {
criterions.add(Restrictions.like(name, "%"+value.trim()+"%"));
}
} else if (name.equals(Page.PAGENO)) {
pageNum = Integer.parseInt(value);
} else if (name.equals(Page.QUERYORDERBY)) {
if (value.equals("asc")) {
orders.remove(order);
orders.add(Order.asc("id"));
}else if (value.equals("addtime_desc")) {
orders.remove(order);
orders.add(Order.desc("addtime"));
}else if (value.equals("addtime_asc")) {
orders.remove(order);
orders.add(Order.asc("addtime"));
}
} else if (name.equals(Page.PAGESIZE)) {
pageSize = Integer.parseInt(value);
if (pageSize <= 0) {
pageSize = 20;
}
}
}
}
Page page = messageService.pageCQuery(pageNum, pageSize, criterions,orders, "id");
getContextMap().put("page", page);
getContextMap().put("params", getParameters());
return "list";
}
/**
* Create Order from criteria and property path
* @param criteria the hibernate criteria to apply order on
* @param propertyPath the property path
* @return Order
*/
protected Order createOrder(Criteria criteria, String propertyPath, boolean ascending) {
Order order = null;
if (propertyPath != null) {
String sortProperty = PropertyUtils.getPropertyName(propertyPath);
try {
if (PropertyUtils.isNested(propertyPath)) {
String alias = PropertyUtils.getPropertyName(PropertyUtils.getPath(propertyPath));
// Need to create alias?
// String alias = HibernateUtils.findAliasForPropertyPath(criteria, propertyPath);
HibernateUtils.createAlias(criteria, PropertyUtils.getPath(propertyPath));
sortProperty = alias + PropertyUtils.PROPERTY_SEPARATOR + sortProperty;
}
else { // test if property is an entity class
Type sortType = getClassMetadata().getPropertyType(propertyPath);
if (sortType.isEntityType()) { // is entity, look for 'name' property
String[] propertyNames = getClassMetadata(sortType.getReturnedClass()).getPropertyNames();
for (String name : propertyNames) {
if ("name".equals(name)) {
log.info("Found property name on persistent class: " + sortType.getName());
String newPath = propertyPath + PropertyAccessor.NESTED_PROPERTY_SEPARATOR + "name";
return createOrder(criteria, newPath, ascending);
}
}
}
}
if (log.isDebugEnabled())
log.debug("Setting order as: " + sortProperty);
order = ascending ? Order.asc(sortProperty) : Order.desc(sortProperty);
}
catch(HibernateException he) {
log.error("Cannot to create Order for property: " + sortProperty + " for " +
getEntityClass().getSimpleName(), he);
}
}
else {
// add default order by id
ClassMetadata metadata = getClassMetadata();
if (metadata != null)
order = Order.asc(metadata.getIdentifierPropertyName());
}
return order;
}