UserFacade.java

package fi.insomnia.bortal.facade;

import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;

import fi.insomnia.bortal.model.User;

@Stateless
@LocalBean
public class UserFacade extends GenericFacade<Integer, User>{

    public static final String DEFAULT_USER_LOGIN = "ANONYMOUS";

    @PersistenceContext
    private EntityManager em;

    public UserFacade() {
        super(User.class);
    }

    protected EntityManager getEm() {
        return em;
    }

    public User findByLogin(String login) {
        // TODO: Bug in glassfish.... change when fixed...
         TypedQuery<User> q = em.createNamedQuery("User.findByLogin",
         User.class);
         q.setParameter("login", login);
         return getSingleNullableResult(q);
//        TypedQuery<User> q = em.createQuery("SELECT u FROM User u WHERE u.login = :login", User.class);
//        q.setParameter("login", login);
      //  return getSingleNullableResult(q);
    }

   
    public User getOrCreateDefaultUser() {
        User defaultUser = findByLogin(DEFAULT_USER_LOGIN);

        // Create if doesn't exist yet
        if (defaultUser == null)
            defaultUser = createDefaultUser();

        return defaultUser;
    }

    private User createDefaultUser() {
        User user = new User();
        user.setLogin(DEFAULT_USER_LOGIN);
        em.persist(user);
        return user;
    }

}