此调用已弃用:
session.createCriteria(Bus.class).list();
在源文件中,我可以看到:
/** @deprecated */
@Deprecated
Criteria createCriteria(Class var1);
/** @deprecated */
@Deprecated
Criteria createCriteria(Class var1, String var2);
/** @deprecated */
@Deprecated
Criteria createCriteria(String var1);
/** @deprecated */
@Deprecated
Criteria createCriteria(String var1, String var2);
但是我不明白我必须使用哪种方法来代替createCriteria
。
发布于 2016-11-21 21:06:54
您可以在Hibernate 5.2 +中使用以下接口:
javax.persistence.criteria.CriteriaBuilder
javax.persistence.criteria.CriteriaQuery
// Create CriteriaBuilder
CriteriaBuilder builder = session.getCriteriaBuilder();
// Create CriteriaQuery
CriteriaQuery<YourClass> criteria = builder.createQuery(YourClass.class);
发布于 2018-05-01 18:03:14
出于安全原因,我使用了以下方法,更改了对象名称:
public List<MyObject> listAllForIds(List<Long> ids) {
Criteria criteria = getSessionFactory().getCurrentSession().createCriteria(MyObject.class)
.createAlias("joinObject", "joinObject")
.add(Restrictions.not(Restrictions.like("name", "string1", MatchMode.END)))
.add(Restrictions.not(Restrictions.like("name", "string2", MatchMode.END)))
.add(Restrictions.in("joinObject.id", ids));
return criteria.list();
}
将其更改为使用:
javax.persistence.criteria.CriteriaBuilder
javax.persistence.criteria.CriteriaQuery
查询如下所示:
public List<MyObject> listAllForIds(List<Long> ids) {
CriteriaBuilder builder = getSessionFactory().getCurrentSession().getCriteriaBuilder();
CriteriaQuery<MyObject> criteria = builder.createQuery(MyObject.class);
Root<MyObject> myObjectRoot = criteria.from(MyObject.class);
Join<MyObject, JoinObject> joinObject = myObjectRoot.join("joinObject");
Predicate likeRestriction = builder.and(
builder.notLike( myObjectRoot.get("name"), "%string1"),
builder.notLike( myObjectRoot.get("name"), "%string2")
);
criteria.select(myObjectRoot).where(joinObject.get("id").in(ids), likeRestriction);
TypedQuery<MyObject> query = getSessionFactory().getCurrentSession().createQuery(criteria);
return query.getResultList();
}
希望对其他人有所帮助,请随时提出改进代码的建议。
发布于 2018-03-21 21:29:35
添加截至2018年3月的答案。
依赖关系:
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.service.ServiceRegistry;
import javax.persistence.criteria.CriteriaQuery;
import java.util.List;
public static List<Contact> fecthAllContacts() {
Session session = sessionFactory.openSession();
// create Criteria
CriteriaQuery<Contact> criteriaQuery = session.getCriteriaBuilder().createQuery(Contact.class);
criteriaQuery.from(Contact.class);
List<Contact> contacts = session.createQuery(criteriaQuery).getResultList();
session.close();
return contacts;
}
而sessionFactory
是:
public static SessionFactory buildSessionFactory() {
final ServiceRegistry registry = new StandardServiceRegistryBuilder().configure().build();
return new MetadataSources(registry).buildMetadata().buildSessionFactory();
}
https://stackoverflow.com/questions/40720799
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