Example usage for javax.persistence EntityTransaction isActive

Introduction

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

Prototype

public boolean isActive();

Source Link

Document

Indicate whether a resource transaction is in progress.

Usage

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

/**
 * {@inheritDoc}//from   w ww . jav a2 s . co m
 *
 * @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();
    }
}

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From source file:com.eucalyptus.objectstorage.entities.upgrade.ObjectStorage400Upgrade.java

private static void populateSnapshotBucketsAndObjects() {
    EntityTransaction tran = Entities.get(WalrusSnapshotInfo.class);
    try {//from   www.j a  va2s  . c  o  m
        List<WalrusSnapshotInfo> walrusSnapshots = Entities.query(new WalrusSnapshotInfo(), Boolean.TRUE);
        for (WalrusSnapshotInfo walrusSnapshot : walrusSnapshots) {
            walrusSnapshotBuckets.add(walrusSnapshot.getSnapshotBucket());
            walrusSnapshotObjects.add(walrusSnapshot.getSnapshotId());
        }
        tran.commit();
    } catch (Exception e) {
        LOG.error("Failed to lookup snapshots stored in Walrus", e);
        tran.rollback();
        throw e;
    } finally {
        if (tran.isActive()) {
            tran.commit();
        }
    }
}

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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//  w w  w .  j  a v  a 2s .c o m
 * @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:org.apache.juddi.subscription.SubscriptionNotifier.java

/**
 * Obtains all subscriptions in the system.
 * @return Collection of All Subscriptions in the system.
 *//*from   ww w  . ja va2s. c  o  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/*from w  w 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//from   w w  w .j av  a2s.com
 * 
 * @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();
    }
}

---

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

/**
 * Update the repository with the specified user object. A user object with
 * this username must already exist./*from  w  w  w.j a v  a 2s.c  o  m*/
 * 
 * @throws UsersRepositoryException
 */
public void updateUser(User user) throws UsersRepositoryException {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    final EntityTransaction transaction = entityManager.getTransaction();
    try {
        if (contains(user.getUserName())) {
            transaction.begin();
            entityManager.merge(user);
            transaction.commit();
        } else {
            getLogger().debug("User not found");
            throw new UsersRepositoryException("User " + user.getUserName() + " not found");
        }
    } catch (PersistenceException e) {
        getLogger().debug("Failed to update user", e);
        if (transaction.isActive()) {
            transaction.rollback();
        }
        throw new UsersRepositoryException("Failed to update user " + user.getUserName(), e);
    } finally {
        entityManager.close();
    }
}

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

public static List<ImageInfo> listAllImages() {
    final List<ImageInfo> images = Lists.newArrayList();
    final EntityTransaction db = Entities.get(ImageInfo.class);
    try {//  w  w w .jav  a  2  s .  c  om
        final List<ImageInfo> found = Entities.query(Images.ALL, true);
        images.addAll(found);
        db.rollback();
    } catch (final Exception e) {
        db.rollback();
        LOG.error("failed to query images", e);
    } finally {
        if (db.isActive())
            db.rollback();
    }
    return images;
}

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

@Override
public void deleteEvent(long eventId) throws NotFoundException, SchedulerServiceDatabaseException {
    EntityManager em = null;/* w ww. ja v a  2 s . c o m*/
    EntityTransaction tx = null;
    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();
    }
}

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From source file:org.opencastproject.kernel.security.persistence.OrganizationDatabaseImpl.java

/**
 * @see org.opencastproject.kernel.security.persistence.OrganizationDatabase#deleteOrganization(java.lang.String)
 *//*from  w  w w .j  a va  2s.c  o  m*/
@Override
public void deleteOrganization(String orgId) throws OrganizationDatabaseException, NotFoundException {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        JpaOrganization organization = getOrganizationEntity(orgId);
        if (organization == null)
            throw new NotFoundException("Organization " + orgId + " does not exist");

        em.remove(organization);
        tx.commit();
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not delete organization: {}", e.getMessage());
        if (tx.isActive()) {
            tx.rollback();
        }
        throw new OrganizationDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

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