Example usage for javax.persistence EntityManager remove

Introduction

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

Prototype

public void remove(Object entity);

Source Link

Document

Remove the entity instance.

Usage

From source file:org.batoo.jpa.benchmark.BenchmarkTest.java

private void doBenchmarkRemove(final EntityManager em, final Person person) {
    em.remove(person);

    this.close(em);
}

From source file:com.busimu.core.dao.impl.UserMngDaoPolicyJpaImpl.java

/**
 * {@inheritDoc}/*from www.  j  a  v a 2  s . c  om*/
 */
@Override
public User activateUser(User user, String licenseCode) {
    EntityManager em = ((EntityManagerHolder) TransactionSynchronizationManager.getResource(emf))
            .getEntityManager();
    EntityTransaction tx = em.getTransaction();
    License l = getLicenseByCode(em, licenseCode);
    if (l != null) {
        if (!tx.isActive()) {
            tx.begin();
        }
        user.setType(User.Type.valueOf(l.getType().name()));
        user.setStatus(User.Status.ACTIVE);
        user = em.merge(user);
        em.remove(l);
        tx.commit();
    }
    return user;
}

From source file:in.bookmylab.jpa.JpaDAO.java

/**
 * @param xrd/*ww  w.  j ava  2  s.  com*/
 * @param em
 */
private void fixAnalysisModesAndResourceType(ResourceBooking booking, EntityManager em, boolean isUpdate) {
    // Analysis modes deletion
    if (booking.analysisModes != null) {
        for (Iterator<AnalysisMode> itr = booking.analysisModes.iterator(); itr.hasNext();) {
            AnalysisMode a = itr.next();
            if (a.deleted) {
                if (isUpdate) {
                    em.remove(em.merge(a));
                }
                itr.remove(); // Remove from collection
            } else {
                // Attach resource type
                Query q = em.createNamedQuery("ResourceType.findByCode");
                ResourceType rt = (ResourceType) q
                        .setParameter("code", StringUtils.upperCase(a.resourceType.code)).getSingleResult();
                a.resourceType = rt;
                if (isUpdate) {
                    em.merge(a);
                }
            }
        }
    }
}

From source file:org.opencastproject.themes.persistence.ThemesServiceDatabaseImpl.java

@Override
public void deleteTheme(long id) throws ThemesServiceDatabaseException, NotFoundException {
    EntityManager em = null;
    EntityTransaction tx = null;/*w w  w  . ja  va 2 s. c om*/
    try {
        em = emf.createEntityManager();
        ThemeDto themeDto = getThemeDto(id, em);
        if (themeDto == null)
            throw new NotFoundException("No theme with id=" + id + " exists");

        tx = em.getTransaction();
        tx.begin();
        em.remove(themeDto);
        tx.commit();
        messageSender.sendObjectMessage(ThemeItem.THEME_QUEUE, MessageSender.DestinationType.Queue,
                ThemeItem.delete(id));
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not delete theme '{}': {}", id, ExceptionUtils.getStackTrace(e));
        if (tx.isActive())
            tx.rollback();
        throw new ThemesServiceDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

From source file:fr.xebia.demo.wicket.blog.service.GenericService.java

public void delete(T entity) throws ServiceException {
    try {/*  w ww.  j  a v a 2s  .  c o  m*/
        EntityManager entityManager = currentEntityManager();
        entityManager.getTransaction().begin();

        Serializable objectId = getObjectId(entity);
        if (objectId == null) {
            throw new ServiceException("Entity has no id");
        }
        T loadedEntity = entityManager.find(getObjectClass(), objectId);
        if (loadedEntity == null) {
            throw new ServiceException("Entity referenced by id " + objectId + " does not exist");
        }
        entityManager.remove(loadedEntity);

        commitTransaction();
    } catch (PersistenceException e) {
        logger.error(e.getCause(), e);
        rollbackTransaction();
        throw new ServiceException("Can't delete object", e);
    } finally {
        closeEntityManager();
    }
}

From source file:org.jasig.portlet.blackboardvcportlet.dao.impl.UserSessionUrlDaoImpl.java

@Override
@Transactional//from   w  w w .j  a  va  2s. co  m
public void deleteOldSessionUrls(Session session, ConferenceUser user) {
    final EntityManager entityManager = this.getEntityManager();

    //fetch session
    SessionImpl sessionFromDb = sessionDao.getSession(session.getSessionId());
    //fetch user
    ConferenceUserImpl userFromDb = blackboardUserDao.getUser(user.getUserId());
    //assert they are valid
    Validate.notNull(sessionFromDb);
    Validate.notNull(userFromDb);

    final NaturalIdQuery<UserSessionUrlImpl> query = this.createNaturalIdQuery(UserSessionUrlImpl.class);
    query.using(UserSessionUrlImpl_.session, sessionFromDb);
    query.using(UserSessionUrlImpl_.user, userFromDb);

    UserSessionUrlImpl url = query.load();

    entityManager.remove(url);
    entityManager.flush();
}

From source file:org.opencastproject.scheduler.impl.persistence.SchedulerServiceDatabaseImpl.java

@Override
public void deleteEvent(long eventId) throws NotFoundException, SchedulerServiceDatabaseException {
    EntityManager em = null;
    EntityTransaction tx = null;/*from w  ww . j  av a2  s  .co m*/
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        EventEntity entity = em.find(EventEntity.class, eventId);
        if (entity == null) {
            throw new NotFoundException("Event with ID " + eventId + " does not exist");
        }
        em.remove(entity);
        tx.commit();
    } catch (Exception e) {
        if (tx.isActive()) {
            tx.rollback();
        }
        if (e instanceof NotFoundException) {
            throw (NotFoundException) e;
        }
        logger.error("Could not delete series: {}", e.getMessage());
        throw new SchedulerServiceDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

From source file:com.espirit.moddev.examples.uxbridge.newsdrilldown.test.CommandITCase.java

/**
 * Before test.//from  w ww  .j a  va2s  .c  o  m
 *
 * @throws Exception the exception
 */
@Before
public void beforeTest() throws Exception {
    EntityManager em = emf.createEntityManager();
    try {
        EntityTransaction et = em.getTransaction();
        et.begin();
        Query query = em.createQuery(new StringBuilder().append("SELECT x FROM news x").toString());
        List<News> newsList = query.getResultList();
        for (News news : newsList) {
            em.remove(news);
        }

        query = em.createQuery(new StringBuilder().append("SELECT x FROM category x").toString());
        List<NewsCategory> catList = query.getResultList();
        for (NewsCategory temp : catList) {
            em.remove(temp);
        }

        query = em.createQuery(new StringBuilder().append("SELECT x FROM metaCategory x").toString());
        List<NewsMetaCategory> metaList = query.getResultList();
        for (NewsMetaCategory temp : metaList) {
            em.remove(temp);
        }
        et.commit();
    } finally {
        em.close();
    }

}

From source file:eu.forgestore.ws.impl.FStoreJpaController.java

public void deleteProduct(int id) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();
    Product p = entityManager.find(Product.class, id);

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();//from   w  w  w  .java  2 s  .  c o m
    entityManager.remove(p);
    entityTransaction.commit();
}

From source file:eu.forgestore.ws.impl.FStoreJpaController.java

public void deleteCategory(int catid) {

    EntityManager entityManager = entityManagerFactory.createEntityManager();
    Category c = entityManager.find(Category.class, catid);

    EntityTransaction entityTransaction = entityManager.getTransaction();
    entityTransaction.begin();//from w w w.ja va 2  s.c om
    entityManager.remove(c);
    entityTransaction.commit();

}