Spring CriteriaAPI已弃用,如何转换ti CriteriaQuery?
我正在将一个旧的现有项目迁移到Springboot。 我有以下方法:Spring CriteriaAPI已弃用,如何转换ti CriteriaQuery?,spring,spring-boot,hibernate,criteria,criteriaquery,Spring,Spring Boot,Hibernate,Criteria,Criteriaquery,我正在将一个旧的现有项目迁移到Springboot。 我有以下方法: public List<T> findAll(Class<?> clazz) { Criteria search = entityManager.unwrap(Session.class).createCriteria(clazz); List<T> entities = search.list(); return entities; } 这是可行的,但当我运行该项
public List<T> findAll(Class<?> clazz) {
Criteria search = entityManager.unwrap(Session.class).createCriteria(clazz);
List<T> entities = search.list();
return entities;
}
这是可行的,但当我运行该项目时,我收到以下警告:Hibernate的遗留org.Hibernate.Criteria API已被弃用;改用JPA javax.persistence.CriteriaQuery
如何将其转换为使用javax.persistence.CriteriaQuery
并仍然能够收到相同的结果?我从未同时使用过这两种API
谢谢你的帮助 全部查找:
CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<Country> cq = cb.createQuery(Country.class);
Root<Country> rootCountry= cq.from(Country.class);
cq.select(rootCountry);
List<Country> result = entityManager.createQuery(cq).getResultList();
CriteriaBuilder cb=entityManager.getCriteriaBuilder();
CriteriaQuery cq=cb.createQuery(Country.class);
根rootCountry=cq.from(Country.class);
cq.select(rootCountry);
List result=entityManager.createQuery(cq.getResultList();
按名称查找:
CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<Country> cq = cb.createQuery(Country.class);
Root<Country> rootCountry= cq.from(Country.class);
cq.select(rootCountry);
cq.where(cb.equal(rootCountry.get(Country_.name),NAME))
// if you don't use metamodel (although it is recommended) -> cq.where(cb.equal(rootCountry.get("name"),NAME))
Country result = entityManager.createQuery(cq).getSingleResult();
CriteriaBuilder cb=entityManager.getCriteriaBuilder();
CriteriaQuery cq=cb.createQuery(Country.class);
根rootCountry=cq.from(Country.class);
cq.select(rootCountry);
cq.where(cb.equal(rootCountry.get(Country.name),name))
//如果不使用元模型(尽管建议使用)->cq.where(cb.equal(rootCountry.get(“name”)),name))
Country result=entityManager.createQuery(cq.getSingleResult();
你能在这个链接中阅读更多关于这方面的信息吗
CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<Country> cq = cb.createQuery(Country.class);
Root<Country> rootCountry= cq.from(Country.class);
cq.select(rootCountry);
List<Country> result = entityManager.createQuery(cq).getResultList();
CriteriaBuilder cb=entityManager.getCriteriaBuilder();
CriteriaQuery cq=cb.createQuery(Country.class);
根rootCountry=cq.from(Country.class);
cq.select(rootCountry);
List result=entityManager.createQuery(cq.getResultList();
按名称查找:
CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<Country> cq = cb.createQuery(Country.class);
Root<Country> rootCountry= cq.from(Country.class);
cq.select(rootCountry);
cq.where(cb.equal(rootCountry.get(Country_.name),NAME))
// if you don't use metamodel (although it is recommended) -> cq.where(cb.equal(rootCountry.get("name"),NAME))
Country result = entityManager.createQuery(cq).getSingleResult();
CriteriaBuilder cb=entityManager.getCriteriaBuilder();
CriteriaQuery cq=cb.createQuery(Country.class);
根rootCountry=cq.from(Country.class);
cq.select(rootCountry);
cq.where(cb.equal(rootCountry.get(Country.name),name))
//如果不使用元模型(尽管建议使用)->cq.where(cb.equal(rootCountry.get(“name”)),name))
Country result=entityManager.createQuery(cq.getSingleResult();
你能在这个链接中读到更多关于这个的信息吗