Java Hibernate HQL到Hibernate條件

Question

我有一個使用Hibernate HQL查詢的類。 我想將它們更改為休眠條件查詢。 但是，即使有了教程，我也比HQL更難理解休眠標准。 有人可以告訴我使用休眠標准/過濾器時查詢之一如何嗎？

Configuration configuration = new Configuration();
        configuration.configure().setProperty("hibernate.show_sql", "false");
ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(
                                  configuration.getProperties()).buildServiceRegistry();
SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory(serviceRegistry);

Session session =sessionFactory.openSession();
Transaction tx = session.beginTransaction();
Query query = session.createQuery("from TABLENAME WHERE IDObject1= :idObjectA" +
              "AND IDObject2= :idObjectB AND IDSettingOption = :idSettingOption");
query.setParameter("idObjectA", idObjectB);
query.setParameter("idObjectB", idObjectB);
query.setParameter("idSettingOption", idSettingOption);

List results = query.list();

提前致謝！

Answer 1

Criteria criteria = session.createCriteria( TABLENAME.class );

criteria.add( Restrictions.eq( "IDObject1" , idObjectB) );
criteria.add( Restrictions.eq( "IDObject2" , idObjectB) );
criteria.add( Restrictions.eq( "IDSettingOption" ,idSettingOption) );

List results = criteria.list();

在這里您可以閱讀有關Criteria API的信息，其中包含許多示例：
http://docs.jboss.org/hibernate/orm/3.3/reference/en/html/querycriteria.html

Answer 2

List results = session.createCriteria(Entity.class)
    .add(Restrictions.eq("IDObject1", idObjectA))
    .add(Restrictions.eq("IDObject2", idObjectB))
    .add(Restrictions.eq("idSettingOption", idSettingOption))
    .list();