examples of using wrapper classes on the hibernate official website,
public class PersonWrapper {
private final Long id;
private final String nickName;
public PersonWrapper(Long id, String nickName) {
this.id = id;
this.nickName = nickName;
}
public Long getId() {
return id;
}
public String getNickName() {
return nickName;
}
}
CriteriaBuilder builder = entityManager.getCriteriaBuilder();
CriteriaQuery<PersonWrapper> criteria = builder.createQuery( PersonWrapper.class );
Root<Person> root = criteria.from( Person.class );
Path<Long> idPath = root.get( Person_.id );
Path<String> nickNamePath = root.get( Person_.nickName);
criteria.select( builder.construct( PersonWrapper.class, idPath, nickNamePath ) );
criteria.where( builder.equal( root.get( Person_.name ), "John Doe" ) );
List<PersonWrapper> wrappers = entityManager.createQuery( criteria ).getResultList();
but Person_ I don"t know what it is.