Example usage for javax.persistence EntityManager getTransaction

List of usage examples for javax.persistence EntityManager getTransaction

  1. HOME
  2. Java
  3. javax
  4. javax.persistence.*
  5. EntityManager
  6. getTransaction

Introduction

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

Prototype

public EntityTransaction getTransaction();

Source Link

Document

Return the resource-level EntityTransaction object.

Usage

From source file:cz.muni.fi.dndtroops.test.TroopDaoImplTest.java

@Test
public void testCreateTroop() {
    EntityManager entityManager = emf.createEntityManager();
    entityManager.getTransaction().begin();
    Troop troopC = new Troop();
    troopC.setName("Testers");
    troopC.setMoney(new BigDecimal("30"));
    troopC.setMission("mise C");
    entityManager.getTransaction().commit();
    entityManager.close();/*from ww w.  ja va 2 s  .  com*/

    troopDao.createTroop(troopC);

    Troop t1 = troopDao.findTroopById(troopC.getId());
    Assert.assertEquals(t1.getName(), "Testers");
    Assert.assertEquals(t1.getMoney().compareTo(new BigDecimal("30")), 0);
    Assert.assertEquals(t1.getMission(), "mise C");

}

From source file:cz.muni.fi.dndtroops.test.TroopDaoImplTest.java

@Test
public void testDeleteTroop() {
    EntityManager entityManager = emf.createEntityManager();
    entityManager.getTransaction().begin();
    Troop troopC = new Troop();
    troopC.setName("Testers");
    troopC.setMoney(new BigDecimal("30"));
    troopC.setMission("mise C");
    entityManager.persist(troopC);//from www .  j  a v  a 2  s.  c  om
    entityManager.getTransaction().commit();
    entityManager.close();

    Troop t1 = troopDao.findTroopById(troopC.getId());
    troopDao.deleteTroop(t1);

    Troop t2 = troopDao.findTroopById(troopC.getId());
    Assert.assertEquals(t2, null);

}

From source file:com.doculibre.constellio.wicket.session.ConstellioSession.java

/**
 * Can't override Session#setLocale(Locale) classe Session.
 *///ww w  . jav a  2 s .c  om
public void changeLocale(Locale locale) {
    ConstellioUser user = (ConstellioUser) getUser();
    if (user == null) {
        setLocale(locale);
    } else {
        EntityManager entityManager = ConstellioPersistenceContext.getCurrentEntityManager();
        if (!entityManager.getTransaction().isActive()) {
            entityManager.getTransaction().begin();
        }
        user.setLocale(locale);
        entityManager.persist(user);
        entityManager.getTransaction().commit();
    }
}

From source file:cz.muni.fi.dndtroops.test.TroopDaoImplTest.java

@Test
public void testAssignMissionToTroop() {
    EntityManager entityManager = emf.createEntityManager();
    entityManager.getTransaction().begin();
    Troop troopC = new Troop();
    troopC.setName("Testers");
    troopC.setMoney(new BigDecimal("30"));
    entityManager.persist(troopC);//w  ww . j a  va  2 s . c o  m
    entityManager.getTransaction().commit();
    entityManager.close();

    troopDao.assignMissionToTroop(troopC.getId(), "mise C");

    Troop t1 = troopDao.findTroopById(troopC.getId());
    Assert.assertEquals(t1.getMission(), "mise C");

    troopDao.assignMissionToTroop(troopC.getId(), null);

    Troop t2 = troopDao.findTroopById(troopC.getId());
    Assert.assertEquals(t2.getMission(), null);

}

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

/**
 * Retrieve a task list for the user.//from www .  java 2s.  c om
 * Tasks are retrieved from the storage for the user performing the request.
 *
 * @return A list of tasks
 */
private List<Task> retrieveTaskList() {
    List<Task> lstTasks = new LinkedList<>();
    EntityManager em = getEntityManager();
    EntityTransaction et = null;
    List<Object[]> taskList = null;
    try {
        et = em.getTransaction();
        et.begin();
        taskList = em.createNamedQuery("tasks.userAll").setParameter("user", getUser()).getResultList();
        et.commit();
    } catch (RuntimeException re) {
        if (et != null && et.isActive()) {
            et.rollback();
        }
        log.error("Impossible to retrieve the task list");
        log.error(re);
        throw new RuntimeException("Impossible to access the task list");
    } finally {
        em.close();
    }
    if (taskList != null && !taskList.isEmpty()) {
        for (Object[] elem : taskList) {
            int idElem = 0;
            Task tmpTask = new Task();
            tmpTask.setId((String) elem[idElem++]);
            tmpTask.setDescription((String) elem[idElem++]);
            tmpTask.setStatus((Task.STATUS) elem[idElem++]);
            tmpTask.setDateCreated((Date) elem[idElem]);
            lstTasks.add(tmpTask);
        }
    }
    return lstTasks;
}

From source file:info.san.books.app.model.listener.LivreListener.java

@EventHandler
public void handle(LivreCreatedEvent e) {
    EntityManager em = Persistence.getInstance().createEntityManager();

    EntityTransaction t = em.getTransaction();

    t.begin();//w w  w  . j a  v  a  2 s .com

    LivreEntry entry = new LivreEntry();
    entry.setEditeur(e.getEditeur());
    entry.setFormat(e.getFormat());
    entry.setImagePath(e.getImagePath());
    entry.setIsbn(e.getIsbn());
    entry.setLangue(e.getLangue());
    entry.setNbPage(e.getNbPage());
    entry.setResume(e.getResume());
    entry.setTitre(e.getTitre());
    entry.setTitreOriginal(e.getTitreOriginal());
    entry.setLu(e.isLu());
    entry.setPossede(e.isPossede());
    try {
        entry.setImageAsBase64(this.getImageAsBase64(e.getImagePath()));
    } catch (IOException ioe) {
        LivreListener.LOGGER.warn("Cannot save the thumbnail in database: ", ioe);
        entry.setImageAsBase64(null);
    }

    if (e.getSagaId() != null && !e.getSagaId().trim().isEmpty()) {
        SagaEntry saga = em.getReference(SagaEntry.class, e.getSagaId());
        entry.setSaga(saga);
    }

    em.persist(entry);

    t.commit();
}

From source file:edu.csueb.cs6320.utils.UserService.java

public List<User> getUserList() {
    EntityManager em = Persistence.createEntityManagerFactory("TestPU").createEntityManager();

    em.getTransaction().begin();
    List<User> users = em.createQuery("SELECT u FROM User u", User.class).getResultList();
    em.getTransaction().commit();/*  w w w.  ja  v  a 2  s .com*/
    em.close();

    return users;
}

From source file:info.san.books.app.model.listener.LivreListener.java

@EventHandler
public void handle(LivreUpdatedEvent e) {
    EntityManager em = Persistence.getInstance().createEntityManager();

    EntityTransaction t = em.getTransaction();

    t.begin();/*from  w w w.  j  ava 2s . c o  m*/

    LivreEntry entry = em.find(LivreEntry.class, e.getIsbn());
    entry.setEditeur(e.getEditeur());
    entry.setFormat(e.getFormat());
    entry.setImagePath(e.getImagePath());
    entry.setIsbn(e.getIsbn());
    entry.setLangue(e.getLangue());
    entry.setNbPage(e.getNbPage());
    entry.setResume(e.getResume());
    entry.setTitre(e.getTitre());
    entry.setTitreOriginal(e.getTitreOriginal());
    entry.setLu(e.isLu());
    entry.setPossede(e.isPossede());
    try {
        entry.setImageAsBase64(this.getImageAsBase64(e.getImagePath()));
    } catch (IOException ioe) {
        LivreListener.LOGGER.warn("Cannot save the thumbnail in database: ", ioe);
        entry.setImageAsBase64(null);
    }

    if (e.getImagePath() == null || e.getImagePath().isEmpty()) {
        entry.setImageAsBase64(null);
    }

    if (e.getSagaId() != null && !e.getSagaId().trim().isEmpty()) {
        SagaEntry saga = em.getReference(SagaEntry.class, e.getSagaId());
        entry.setSaga(saga);
    } else {
        entry.setSaga(null);
    }

    t.commit();
}

From source file:com.sun.socialsite.business.impl.JPAPersistenceStrategy.java

/**
 * Get the EntityManager associated with the current thread of control.
 * @param isTransactionRequired true if a transaction is begun if not
 * already active// w w  w  .  j a va2s . co  m
 * @return the EntityManager
 */
EntityManager getEntityManager(boolean isTransactionRequired) {
    EntityManager em = getThreadLocalEntityManager();
    if (isTransactionRequired && !em.getTransaction().isActive()) {
        em.getTransaction().begin();
    }
    return em;
}

From source file:edu.csueb.cs6320.utils.UserService.java

public boolean createUser(User user, String newPassword) {

    String salt = Auth.getSalt();
    user.setSalt(salt);//  w w w  .  j  a v  a 2s  .  co  m
    try {
        user.setSaltedHashedPassword(Auth.hashPassword(newPassword, salt));
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return false;
    }

    EntityManager em = Persistence.createEntityManagerFactory("TestPU").createEntityManager();
    em.getTransaction().begin();
    em.persist(user);
    em.getTransaction().commit();
    return true;
}