Example usage for javax.persistence EntityTransaction rollback

List of usage examples for javax.persistence EntityTransaction rollback

  1. HOME
  2. Java
  3. javax
  4. javax.persistence.*
  5. EntityTransaction
  6. rollback

Introduction

In this page you can find the example usage for javax.persistence EntityTransaction rollback.

Prototype

public void rollback();

Source Link

Document

Roll back the current resource transaction.

Usage

From source file:org.eclipse.smila.binarystorage.persistence.jpa.JPABinaryPersistence.java

/**
 * {@inheritDoc}//from w ww.j  av  a 2  s  .  c om
 *
 * @see org.eclipse.smila.binarystorage.internal.impl.persistence.BinaryPersistence#deleteBinary(java.lang.String)
 */
@Override
public void deleteBinary(final String key) throws BinaryStorageException {
    if (key == null) {
        throw new BinaryStorageException("parameter key is null");
    }
    _lock.readLock().lock();
    try {
        final EntityManager em = createEntityManager();
        try {
            final BinaryStorageDao dao = findBinaryStorageDao(em, key);
            if (dao != null) {
                final EntityTransaction transaction = em.getTransaction();
                try {
                    transaction.begin();
                    em.remove(dao);
                    transaction.commit();
                } catch (final Exception e) {
                    if (transaction.isActive()) {
                        transaction.rollback();
                    }
                    throw new BinaryStorageException(e, "error removing record id: " + key);
                }
            } else {
                if (_log.isDebugEnabled()) {
                    _log.debug("could not remove id: " + key + ". no binary object with this id exists.");
                }
            }
        } finally {
            closeEntityManager(em);
        }
    } finally {
        _lock.readLock().unlock();
    }
}

From source file:com.eucalyptus.images.Images.java

public static void registerFromPendingImage(String imageId) throws Exception {
    EntityTransaction tx = Entities.get(PutGetImageInfo.class);
    try {/*from www. j  a  v a2 s  .c  o m*/
        ImageInfo ret = Entities.uniqueResult(Images.exampleWithImageId(imageId));
        ret.setState(State.available);
        tx.commit();
    } catch (Exception e) {
        tx.rollback();
        throw new EucalyptusCloudException(
                "Failed to update image: " + imageId + " because of: " + e.getMessage(), e);
    }
}

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

@Test(enabled = false, invocationCount = 1)
public void testPuthenticate() {
    final EntityManager manager = LocalPU.createEntityManager();
    try {/*from w ww . ja v a  2  s .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:com.eucalyptus.images.Images.java

private static PutGetImageInfo persistRegistration(UserFullName creator, ImageManifest manifest,
        PutGetImageInfo ret) throws Exception {

    EntityTransaction tx = Entities.get(PutGetImageInfo.class);
    try {/*w  w w. j  a  v  a 2s.  co  m*/
        ret = Entities.merge(ret);
        tx.commit();
        LOG.info("Registering image pk=" + ret.getDisplayName() + " ownerId=" + creator);
    } catch (Exception e) {
        tx.rollback();
        throw new EucalyptusCloudException(
                "Failed to register image: " + manifest + " because of: " + e.getMessage(), e);
    }
    // TODO:GRZE:RESTORE
    // for( String p : extractProductCodes( inputSource, xpath ) ) {
    // imageInfo.addProductCode( p );
    // }
    // imageInfo.grantPermission( ctx.getAccount( ) );
    LOG.info("Triggering cache population in Walrus for: " + ret.getDisplayName());
    if (ret instanceof ImageMetadata.StaticDiskImage && ret.getRunManifestLocation() != null) {
        StaticDiskImages.prepare(ret.getRunManifestLocation());
    }
    return ret;
}

From source file:com.eucalyptus.images.Images.java

public static ImageInfo lookupImage(String imageId) {
    final EntityTransaction db = Entities.get(ImageInfo.class);
    try {/*from   w  ww.  j  av a2s. c o m*/
        final ImageInfo found = Entities.uniqueResult(Images.exampleWithImageId(imageId));
        db.commit();
        return found;
    } catch (final NoSuchElementException ex) {
        db.rollback();
        throw ex;
    } catch (final Exception ex) {
        db.rollback();
        throw Exceptions.toUndeclared(ex);
    } finally {
        if (db.isActive())
            db.rollback();
    }
}

From source file:uk.ac.horizon.ug.locationbasedgame.author.CRUDServlet.java

/** Create on POST.
 * E.g. curl -d '{...}' http://localhost:8888/author/configuration/
 * @param req//from   ww w .j a v  a  2s. c  om
 * @param resp
 * @throws ServletException
 * @throws IOException
 */
private void doCreate(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    // TODO Auto-generated method stub
    try {
        Object o = parseObject(req);
        Key key = validateCreate(o);
        // try adding
        EntityManager em = EMF.get().createEntityManager();
        EntityTransaction et = em.getTransaction();
        try {
            et.begin();
            if (em.find(getObjectClass(), key) != null)
                throw new RequestException(HttpServletResponse.SC_CONFLICT,
                        "object already exists (" + key + ")");
            em.persist(o);
            et.commit();
            logger.info("Added " + o);
        } finally {
            if (et.isActive())
                et.rollback();
            em.close();
        }
        resp.setCharacterEncoding(ENCODING);
        resp.setContentType(JSON_MIME_TYPE);
        Writer w = new OutputStreamWriter(resp.getOutputStream(), ENCODING);
        JSONWriter jw = new JSONWriter(w);
        listObject(jw, o);
        w.close();
    } catch (RequestException e) {
        resp.sendError(e.getErrorCode(), e.getMessage());
    } catch (Exception e) {
        logger.log(Level.WARNING, "Getting object of type " + getObjectClass(), e);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
        return;
    }
}

From source file:com.eucalyptus.images.Images.java

public static void enableImage(String imageId) throws NoSuchImageException {
    final EntityTransaction db = Entities.get(ImageInfo.class);
    try {//from   w w  w  .  j  a  v a2s .  c om
        final ImageInfo img = Entities.uniqueResult(Images.exampleWithImageId(imageId));
        img.setState(ImageMetadata.State.available);
        db.commit();
    } catch (final NoSuchElementException e) {
        db.rollback();
        throw new NoSuchImageException("Failed to lookup image: " + imageId, e);
    } catch (final Exception e) {
        db.rollback();
        throw new NoSuchImageException("Failed to lookup image: " + imageId, e);
    } finally {
        if (db.isActive())
            db.rollback();
    }
}

From source file:org.apache.juddi.subscription.SubscriptionNotifier.java

/**
 * Obtains all subscriptions in the system.
 * @return Collection of All Subscriptions in the system.
 *///from ww w  .  j  a  v  a  2s  .co m
@SuppressWarnings("unchecked")
protected Collection<Subscription> getAllAsyncSubscriptions() {
    Collection<Subscription> subscriptions = null;
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        Query query = em.createQuery("SELECT s FROM Subscription s WHERE s.bindingKey IS NOT NULL");
        subscriptions = (Collection<Subscription>) query.getResultList();
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
    return subscriptions;
}

From source file:org.opencastproject.adminui.usersettings.UserSettingsService.java

/**
 * Delete a user setting by using a unique id to find it.
 *
 * @param id/*  ww w  .j  a v  a 2  s  .c  o m*/
 *          The unique id for the user setting.
 * @throws UserSettingsServiceException
 */
public void deleteUserSetting(long id) throws UserSettingsServiceException {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        UserSettingDto userSettingsDto = em.find(UserSettingDto.class, id);
        tx = em.getTransaction();
        tx.begin();
        em.remove(userSettingsDto);
        tx.commit();
    } catch (Exception e) {
        logger.error("Could not delete user setting '%d': %s", id, ExceptionUtils.getStackTrace(e));
        if (tx.isActive())
            tx.rollback();
        throw new UserSettingsServiceException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

From source file:org.apache.james.user.jpa.JPAUsersRepository.java

/**
 * Removes a user from the repository//  w w w  . j a v a  2 s .  co m
 * 
 * @param name
 *            the user to remove from the repository
 * @throws UsersRepositoryException
 */
public void removeUser(String name) throws UsersRepositoryException {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    final EntityTransaction transaction = entityManager.getTransaction();
    try {
        transaction.begin();
        if (entityManager.createNamedQuery("deleteUserByName").setParameter("name", name).executeUpdate() < 1) {
            transaction.commit();
            throw new UsersRepositoryException("User " + name + " does not exist");
        } else {
            transaction.commit();
        }
    } catch (PersistenceException e) {
        getLogger().debug("Failed to remove user", e);
        if (transaction.isActive()) {
            transaction.rollback();
        }
        throw new UsersRepositoryException("Failed to remove user " + name, e);
    } finally {
        entityManager.close();
    }
}