Код: Выделить всё
org.hibernate.LazyInitializationException: could not initialize proxy - no Session
Код: Выделить всё
@RequestMapping(value="{id}", method=RequestMethod.POST)
public String addComment(@PathVariable String id, Model model, String comment) {
personService.addComment(Long.parseLong(id), comment);
Person person = personService.getPersonById(Long.parseLong(id));
model.addAttribute(person);
List comments = personService.getComments(id);
model.addAttribute(comments);
return "/Review";
}
Код: Выделить всё
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
public class PersonServiceImpl implements PersonService {
private Workaround personDAO;
public PersonServiceImpl() {
}
@Transactional(propagation=Propagation.REQUIRED, readOnly=false)
public void savePerson(Person person) {
personDAO.savePerson(person);
}
@Transactional(propagation=Propagation.REQUIRED, readOnly=false)
public Person getPersonById(long id) {
return personDAO.getPersonById(id);
}
@Autowired
public void setPersonDAO(Workaround personDAO) {
this.personDAO = personDAO;
}
@Transactional(propagation=Propagation.REQUIRED, readOnly=false)
public List
getAllPeople() {
return personDAO.getAllPeople();
}
@Transactional(propagation=Propagation.REQUIRED, readOnly=false)
public void addComment(Long id, String comment) {
Person person = getPersonById(id);
person.addComment(comment);
savePerson(person);
}
@Transactional(propagation=Propagation.REQUIRED, readOnly=false)
public List getComments(String id) {
return personDAO.getComments(Long.parseLong(id));
}
Код: Выделить всё
import java.util.List;
import javax.persistence.ElementCollection;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
@Repository
public class PersonDAO implements Workaround {
private SessionFactory sessionFactory;
@Autowired
public PersonDAO(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
private Session currentSession() {
return sessionFactory.getCurrentSession();
}
public void addPerson(Person person) {
currentSession().save(person);
}
public Person getPersonById(long id) {
return (Person) currentSession().get(Person.class, id);
}
public void savePerson(Person person) {
currentSession().save(person);
}
public List
getAllPeople() {
List people = currentSession().createQuery("from Person").list();
return people;
}
public List getComments(long id) {
return getPersonById(id).getComments();
}
Подробнее здесь: https://stackoverflow.com/questions/135 ... bernate-an
Мобильная версия