Example usage for javax.persistence EntityManagerFactory close

Introduction

In this page you can find the example usage for javax.persistence EntityManagerFactory close.

Prototype

public void close();

Source Link

Document

Close the factory, releasing any resources that it holds.

Usage

From source file:BO.UserHandler.java

public boolean login(VUser u) {

    EntityManager em;/*from ww  w  .  ja v a2  s  .  c  om*/
    EntityManagerFactory emf;
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();

    try {

        Query q = em.createQuery("SELECT u FROM User u WHERE u.email LIKE :email");
        q.setParameter("email", u.getEmail());
        q.setMaxResults(1);
        q.getSingleResult();
        return true;
    } catch (NoResultException e) {
        em.getTransaction().begin();
        User userToInsert = new User(u.getEmail());
        em.persist(userToInsert);
        em.flush();
        em.getTransaction().commit();
        return true;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }
}

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From source file:ict.DoLoginServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from  ww w  .  j  av a2  s.co  m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    try {
        EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("WSPU");
        EntityManager entityManager = entityManagerFactory.createEntityManager();
        entityManager.getTransaction().begin();

        String _request = request.getParameter("AAA");
        String userID = new String(Base64.decodeBase64(_request));

        String _request_ = request.getParameter("BBB");
        String userPassword = new String(Base64.decodeBase64(_request_));

        //String userID = request.getParameter("userID");
        //String userPassword = request.getParameter("userPassword");
        User tmp = new User();
        tmp.setUserID(userID);
        tmp.setPassword(userPassword);
        System.out.println("*****" + tmp.getUserID());

        User user = entityManager.find(User.class, tmp.getUserID());
        if (user.getPassword().equals(tmp.getPassword())) {
            entityManager.getTransaction().commit();
            entityManager.close();
            entityManagerFactory.close();
            request.getSession(true).setAttribute("user", user.getUserName());
        }

    } catch (Exception e) {
        System.out.println("****ERROR:****" + e.getMessage());
    }
    response.sendRedirect("index.jsp");
}

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From source file:BO.UserHandler.java

public boolean updateDeviceToken(VUser u) {
    EntityManager em;/*from w  ww . j a  v a 2 s .  com*/
    EntityManagerFactory emf;
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();
    System.out.println("Updating token: " + u.getDeviceToken());
    try {
        em.getTransaction().begin();
        User user;
        user = (User) em.createQuery("SELECT u FROM User u WHERE u.email LIKE :email")
                .setParameter("email", u.getEmail()).setMaxResults(1).getSingleResult();
        user.setDeviceToken(u.getDeviceToken());
        em.persist(user);
        em.flush();
        em.getTransaction().commit();

        return true;
    } catch (NoResultException e) {
        return false;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }

}

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From source file:BO.UserHandler.java

public List<VUser> getPendingFriends(VUser user) {

    EntityManager em;/*from   www.  j a  va  2 s .c  o  m*/

    EntityManagerFactory emf;
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();

    try {
        List<Friendship> list = (List<Friendship>) em
                .createQuery("SELECT f FROM Friendship f WHERE f.receivingFriend.email LIKE :email "
                        + "AND f.didRespond LIKE :didrespond")
                .setParameter("email", user.getEmail()).setParameter("didrespond", false).getResultList();

        List<VUser> senders = new ArrayList<>();

        for (Friendship f : list) {
            senders.add(new VUser(f.getSendingFriend().getEmail(), "", "", "", false));
        }
        return senders;
    } catch (Exception e) {
        return null;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }
}

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From source file:net.officefloor.tutorial.transactionhttpserver.TransactionHttpServerTest.java

/**
 * Ensure the JPA connects to database.// w  ww.ja v  a2s.c  o  m
 */
public void testJpa() throws Exception {

    // Request page to allow time for database setup
    this.doRequest("http://localhost:7878/users.woof");

    // Obtain entity manager
    EntityManagerFactory factory = Persistence.createEntityManagerFactory("example");
    EntityManager manager = factory.createEntityManager();

    // Ensure can obtain user and person
    Query query = manager.createQuery("SELECT U FROM User U");
    User user = (User) query.getSingleResult();
    assertEquals("Incorrect user name", "daniel", user.getUserName());
    Person person = user.getPerson();
    assertEquals("Incorrect person name", "Daniel Sagenschneider", person.getFullName());

    // Ensure persist user and person
    User newUser = new User();
    newUser.setUserName("test");
    Person newPerson = new Person();
    newPerson.setFullName("TEST");
    newPerson.setUser(newUser);
    manager.persist(newPerson);
    manager.close();

    // Ensure user and person persisted
    manager = factory.createEntityManager();
    User retrievedUser = manager.find(User.class, newUser.getId());
    assertEquals("Incorrect retrieved user name", "test", retrievedUser.getUserName());
    Person retrievedPerson = retrievedUser.getPerson();
    assertEquals("Incorrect retrieved full name", "TEST", retrievedPerson.getFullName());

    // Close persistence
    factory.close();
}

---

From source file:BO.UserHandler.java

public boolean respondFriendRequest(VUser user) {
    EntityManager em;//w  ww.  j  av a 2s .  c om

    EntityManagerFactory emf;
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();

    try {
        em.getTransaction().begin();
        System.out.println("Receiving friend: " + user.getEmail());
        System.out.println("Sending friend: " + user.getFriendToAdd());

        Friendship f = (Friendship) em
                .createQuery("SELECT f from Friendship f WHERE f.receivingFriend.email LIKE :email1 "
                        + "AND f.sendingFriend.email LIKE :email2")
                .setParameter("email1", user.getEmail()).setParameter("email2", user.getFriendToAdd())
                .getSingleResult();
        f.setDidRespond(true);
        f.setDidAccept(user.isDidAccept());
        em.persist(f);
        em.flush();
        em.getTransaction().commit();
        return true;
    } catch (Exception e) {
        System.out.println(e);
        return false;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }
}

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From source file:com.edugility.substantia.substance.TestCasePerson.java

@Test
public void testingJPA() throws Exception {
    final EntityManagerFactory emf = Persistence.createEntityManagerFactory("test");
    assertNotNull(emf);//from  w w  w  .ja v a 2  s  .  c  om

    final EntityManager em = emf.createEntityManager();
    assertNotNull(em);

    final EntityTransaction et = em.getTransaction();
    assertNotNull(et);
    et.begin();

    final Person p = new Person();
    em.persist(p);
    em.flush();
    assertFalse(p.isTransient());
    assertTrue(p.isVersioned());
    assertEquals(Long.valueOf(1L), p.getId());
    assertEquals(Integer.valueOf(1), p.getVersion());

    et.commit();
    et.begin();

    final Person p2 = em.find(Person.class, 1L, LockModeType.OPTIMISTIC_FORCE_INCREMENT);
    assertNotNull(p2);
    assertFalse(p2.isTransient());
    assertTrue(p2.isVersioned());
    assertEquals(Long.valueOf(1L), p2.getId());
    assertEquals(Integer.valueOf(1), p2.getVersion());

    et.commit();
    et.begin();

    final Person p3 = em.getReference(Person.class, 1L);
    assertNotNull(p3);
    assertFalse(p3.isTransient());
    assertTrue(p3.isVersioned());
    assertEquals(Long.valueOf(1L), p3.getId());
    assertEquals(Integer.valueOf(2), p3.getVersion());

    et.commit();
    et.begin();

    assertTrue(em.contains(p));
    em.remove(p);

    et.commit();

    em.close();

    emf.close();
}

---

From source file:BO.UserHandler.java

public List<VUser> getFriends(VUser user) {
    EntityManager em;//from  ww w.  j a  v a2 s  .c om

    EntityManagerFactory emf;
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();

    try {
        List<Friendship> list = (List<Friendship>) em
                .createQuery("SELECT f FROM Friendship f WHERE f.receivingFriend.email LIKE :email "
                        + "OR f.sendingFriend.email LIKE :email2")
                .setParameter("email", user.getEmail()).setParameter("email2", user.getEmail()).getResultList();

        List<VUser> friends = new ArrayList<>();

        for (Friendship f : list) {
            if (f.isDidAccept()) {
                if (f.getSendingFriend().getEmail().equals(user.getEmail())) {
                    friends.add(new VUser(f.getReceivingFriend().getEmail(), "", "", "", false));
                } else {
                    friends.add(new VUser(f.getSendingFriend().getEmail(), "", "", "", false));
                }
            }
        }

        return friends;
    } catch (Exception e) {
        return null;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }
}

---

From source file:BO.UserHandler.java

public boolean addFriend(VUser u) {
    EntityManager em;//from   w w w  . j  a  va  2  s.  c  om
    EntityManagerFactory emf;
    emf = Persistence.createEntityManagerFactory(PERSISTENCE_NAME);
    em = emf.createEntityManager();

    try {
        em.getTransaction().begin();
        System.out.println(u.getEmail());
        System.out.println(u.getFriendToAdd());

        try {
            List<Friendship> f = (List<Friendship>) em
                    .createQuery("SELECT f from Friendship f WHERE f.receivingFriend.email LIKE :email1 "
                            + "AND f.sendingFriend.email LIKE :email2")
                    .setParameter("email1", u.getEmail()).setParameter("email2", u.getFriendToAdd())
                    .getResultList();
            if (!f.isEmpty()) {
                return false;
            }
        } catch (Exception e) {

        }

        try {

            List<Friendship> f = (List<Friendship>) em
                    .createQuery("SELECT f from Friendship f WHERE f.sendingFriend.email LIKE :email1 "
                            + "AND f.receivingFriend.email LIKE :email2")
                    .setParameter("email1", u.getEmail()).setParameter("email2", u.getFriendToAdd())
                    .getResultList();
            if (!f.isEmpty()) {
                return false;
            }
        } catch (Exception e) {

        }

        User sender = getUserByEmail(u.getEmail());
        User receiver = getUserByEmail(u.getFriendToAdd());

        Friendship friendship = new Friendship(sender, receiver);
        em.persist(friendship);
        em.flush();
        em.getTransaction().commit();
        return true;
    } catch (Exception e) {
        return false;
    } finally {
        if (em != null) {
            em.close();
        }
        emf.close();
    }
}

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From source file:Logica.Usuario.java

/**
 *
 * @param anterior/* w w  w  .j av  a2 s  .  c  o m*/
 * @param id
 * @return boolean
 * @throws RemoteException
 *
 * Verifica la validez de la contrasea anterior, antes de realizar el
 * cambio de clave.
 */
@Override
public boolean verificarClave(String anterior, String id) throws RemoteException {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("Biot_ServerPU");
    UsuarioJpaController us = new UsuarioJpaController(emf);
    Entities.Usuario findUsuario = us.findUsuario(id);
    emf.close();
    return findUsuario.getPsw().equalsIgnoreCase(this.encriptar(anterior));
}

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