Example usage for javax.persistence EntityManager close

List of usage examples for javax.persistence EntityManager close

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Introduction

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

Prototype

public void close();

Source Link

Document

Close an application-managed entity manager.

Usage

From source file:com.epam.training.taranovski.web.project.repository.implementation.OfferBidRepositoryImplementation.java

@Override
public List<Vacancy> getOffersForEmployee(Employee employee) {
    EntityManager em = entityManagerFactory.createEntityManager();
    List<Vacancy> list = new LinkedList<>();
    try {/*from   w  w  w. j  a v a 2s . c  om*/
        em.getTransaction().begin();

        TypedQuery<Vacancy> query = em.createNamedQuery("OfferBid.findVacancyOffersForEmployee", Vacancy.class);
        query.setParameter("employee", employee);
        list = query.getResultList();

        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(OfferBidRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return list;
}

From source file:ec.edu.chyc.manejopersonal.controller.PersonaJpaController.java

public Persona getPersona(Persona persona) {
    EntityManager em = null;
    try {/*w ww.ja va  2s. c  o m*/
        em = getEntityManager();
        Query q = em.createQuery("select p from Persona p where p.id=:id");
        q.setParameter("id", persona.getId());
        List<Persona> list = q.getResultList();
        if (list != null && !list.isEmpty()) {
            return list.get(0);
        } else {
            return null;
        }
    } finally {
        if (em != null) {
            em.close();
        }
    }
}

From source file:fr.mby.portal.coreimpl.auth.DbPortalUserAuthenticationProvider.java

/** Init the DB with default users : user:user456 & admin:admin456 */
protected void initDefaultUsers() {
    final PortalUser user = this.buildPortalUser("user", "user456");
    final PortalUser admin = this.buildPortalUser("admin", "admin456");

    final EntityManager portalUserEm = this.portalUserEmf.createEntityManager();

    // Remove transaction
    portalUserEm.getTransaction().begin();

    final PortalUser foundAdmin = this.findPortalUserByLogin(portalUserEm, "admin");
    if (foundAdmin != null) {
        portalUserEm.remove(foundAdmin);
    }/*w ww.j  a v  a 2s.c o m*/

    final PortalUser foundUser = this.findPortalUserByLogin(portalUserEm, "user");
    if (foundUser != null) {
        portalUserEm.remove(foundUser);
    }

    portalUserEm.getTransaction().commit();

    // Insert transaction
    portalUserEm.getTransaction().begin();

    portalUserEm.persist(user);
    portalUserEm.persist(admin);

    portalUserEm.getTransaction().commit();

    portalUserEm.close();
}

From source file:com.yahoo.sql4d.indexeragent.meta.DBHandler.java

private void addUpdateDeleteEntity(Object entity, Action action) {
    EntityManager em = getEntityManager();
    try {// w w  w .j ava  2s  . c o m
        em.getTransaction().begin();
        switch (action) {
        case ADD:
            em.persist(entity);
            break;
        case UPDATE:
            em.merge(entity);
            break;
        case DELETE:
            em.remove(entity);
            break;
        }
    } catch (RuntimeException e) {
        log.error("Something wrong persisting/merging/removing entity {}, so rolling back . Exception is {}",
                entity, ExceptionUtils.getStackTrace(e));
        em.getTransaction().rollback();
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().commit();
        }
        em.close();
    }
}

From source file:com.epam.training.taranovski.web.project.repository.implementation.OfferBidRepositoryImplementation.java

@Override
public List<Employee> getOffersForVacancy(Vacancy vacancy) {
    EntityManager em = entityManagerFactory.createEntityManager();
    List<Employee> list = new LinkedList<>();
    try {//from www. j a va2 s.  c o  m
        em.getTransaction().begin();

        TypedQuery<Employee> query = em.createNamedQuery("OfferBid.findEmployeeOffersForVacancy",
                Employee.class);
        query.setParameter("vacancy", vacancy);
        list = query.getResultList();

        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(OfferBidRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return list;
}

From source file:cz.fi.muni.pa165.dto.PrintedBookDAOTest.java

@Test
public void testUpdate() {
    EntityManager em = emf.createEntityManager();
    PrintedBookDAOImpl bdao = new PrintedBookDAOImpl();
    bdao.setManager(em);/* w  w  w . j av  a 2 s.  c  o  m*/
    em.getTransaction().begin();

    Book book = new Book();
    book.setName("Harry Potter");
    book.setISBN("123112315");
    book.setDescription("Book about Wizard!");
    book.setAuthors("J.K. Rowling");
    book.setDepartment(Department.Sport);
    book.setIdBook(1);

    PrintedBook pbook = new PrintedBook();
    pbook.setBook(book);
    pbook.setState(Boolean.FALSE);
    pbook.setCondition(Condition.New);
    pbook.setIdPrintedBook(2);
    bdao.update(pbook);

    PrintedBook b1 = bdao.find(pbook);
    em.getTransaction().commit();
    em.close();
    assertEquals(b1.getState(), Boolean.FALSE);
}

From source file:it.infn.ct.futuregateway.apiserver.v1.TaskCollectionService.java

/**
 * Register a new task.//ww w. j ava2 s.c om
 *
 * @param task The task to register
 * @return The task registered
 */
@POST
@Status(Response.Status.CREATED)
@Consumes({ MediaType.APPLICATION_JSON, Constants.INDIGOMIMETYPE })
@Produces(Constants.INDIGOMIMETYPE)
public final Task createTask(final Task task) {
    if (task.getApplicationId() == null) {
        throw new BadRequestException("A valid application for the task" + " must be provided");
    }
    task.addObserver(new TaskObserver(getEntityManagerFactory(), getSubmissionThreadPool()));
    task.setDateCreated(new Date());
    task.setUserName(getUser());
    task.setStatus(Task.STATUS.WAITING);
    EntityManager em = getEntityManager();
    EntityTransaction et = null;
    try {
        et = em.getTransaction();
        et.begin();
        Application app = em.find(Application.class, task.getApplicationId());
        if (app == null) {
            throw new BadRequestException("Application id not valid");
        }
        task.setApplicationDetail(app);
        em.persist(task);
        et.commit();
        log.debug("New task registered: " + task.getId());
    } catch (BadRequestException bre) {
        throw bre;
    } catch (RuntimeException re) {
        log.error("Impossible to create a task");
        log.debug(re);
        throw re;
    } finally {
        if (et != null && et.isActive()) {
            et.rollback();
        }
        em.close();
    }
    return task;
}

From source file:com.github.jinahya.persistence.ShadowTest.java

@Test(enabled = false, invocationCount = 1)
public void testPuthenticate() {
    final EntityManager manager = LocalPU.createEntityManager();
    try {/*w w w . j  a va  2s  .  c o  m*/
        final EntityTransaction transaction = manager.getTransaction();
        transaction.begin();
        try {
            final String username = newUsername(manager);
            final byte[] password = newPassword();

            final Shadow shadow = persistInstance(manager, username, password);

            Assert.assertTrue(shadow.puthenticate(shadow, password));

            transaction.commit();
        } catch (Exception e) {
            LocalPU.printConstraintViolation(e);
            transaction.rollback();
            e.printStackTrace(System.err);
            Assert.fail(e.getMessage());
        }
    } finally {
        manager.close();
    }
}

From source file:ict.DoLoginServlet.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from w w  w .j  a  v  a 2 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");
}

From source file:de.zib.gndms.infra.system.GNDMSystemDirectory.java

@SuppressWarnings({ "MethodWithTooExceptionsDeclared" })
@NotNull/* w  w  w. j  a va2  s. co  m*/
public AbstractORQCalculator<?, ?> newORQCalculator(final @NotNull EntityManagerFactory emf,
        final @NotNull String offerTypeKey) throws ClassNotFoundException, IllegalAccessException,
        InstantiationException, NoSuchMethodException, InvocationTargetException {
    EntityManager em = emf.createEntityManager();
    try {
        OfferType type = em.find(OfferType.class, offerTypeKey);
        if (type == null)
            throw new IllegalArgumentException("Unknow offer type: " + offerTypeKey);
        AbstractORQCalculator<?, ?> orqc = orqPark.getInstance(type);
        orqc.setConfigletProvider(this);
        return orqc;
    } finally {
        if (!em.isOpen())
            em.close();
    }
}