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.opencastproject.comments.persistence.CommentDatabaseImpl.java

@Override
public void deleteComment(long commentId) throws CommentDatabaseException, NotFoundException {
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {//  w  w w  . j a  va2s.c o  m
        tx.begin();
        Option<CommentDto> dto = CommentDatabaseUtils.find(Option.some(commentId), em, CommentDto.class);
        if (dto.isNone())
            throw new NotFoundException("Comment with ID " + commentId + " does not exist");

        CommentDatabaseUtils.deleteReplies(dto.get().getReplies(), em);

        dto.get().setReplies(new ArrayList<CommentReplyDto>());
        em.remove(dto.get());
        tx.commit();
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not delete comment: {}", ExceptionUtils.getStackTrace(e));
        if (tx.isActive())
            tx.rollback();

        throw new CommentDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

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From source file:org.apache.juddi.replication.ReplicationNotifier.java

@Deprecated
private Node getNode(String messageSender) {
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = null;
    try {/*  www. jav a 2s. c o m*/
        tx = em.getTransaction();
        tx.begin();
        Node api = new Node();
        org.apache.juddi.model.Node find = em.find(org.apache.juddi.model.Node.class, messageSender);
        if (find != null) {
            MappingModelToApi.mapNode(find, api);
        }
        tx.commit();
        return api;
    } catch (Exception ex) {
        log.error("error", ex);
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
    } finally {
        em.close();
    }
    return null;
}

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From source file:nl.b3p.kaartenbalie.service.SecurityRealm.java

@Override
public Principal getAuthenticatedPrincipal(String username, String password) {
    Object identity = null;//from w  ww  . j av a 2  s. c o  m
    EntityTransaction tx = null;
    try {
        identity = MyEMFDatabase.createEntityManager(MyEMFDatabase.REALM_EM);
        EntityManager em = MyEMFDatabase.getEntityManager(MyEMFDatabase.REALM_EM);
        tx = em.getTransaction();
        tx.begin();
        try {
            User user = (User) em.createQuery("from User u where " + "lower(u.username) = lower(:username) ")
                    .setParameter("username", username).getSingleResult();
            return user;
        } catch (NoResultException nre) {
            return null;
        }
    } catch (Exception e) {
        log.error("Exception getting authenticated user from database", e);
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
    } finally {
        if (tx != null && tx.isActive() && !tx.getRollbackOnly()) {
            tx.commit();
        }
        MyEMFDatabase.closeEntityManager(identity, MyEMFDatabase.REALM_EM);
    }
    return null;
}

---

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

/**
 * Register a new task./* w w  w. j  a  v  a2s.  co  m*/
 *
 * @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.eucalyptus.images.Images.java

public static void setImageState(String imageId, ImageMetadata.State state) throws NoSuchImageException {
    final EntityTransaction db = Entities.get(ImageInfo.class);
    try {/*www .j  av a  2  s.c o  m*/
        ImageInfo img = Entities.uniqueResult(Images.exampleWithImageId(imageId));
        img.setState(state);
        db.commit();
    } catch (final Exception e) {
        db.rollback();
        throw new NoSuchImageException("Failed to update image state: " + imageId);
    } finally {
        if (db.isActive())
            db.rollback();
    }
}

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From source file:com.google.inject.persist.jpa.KuneJpaLocalTxnInterceptor.java

@Override
public Object invoke(final MethodInvocation methodInvocation) throws Throwable, DefaultException {

    // Should we start a unit of work?
    if (!emProvider.isWorking()) {
        emProvider.begin();/*from w  w  w  .java  2s  .  c  om*/
        didWeStartWork.set(true);
        LOG.debug("Starting transaction");
    }

    final KuneTransactional transactional = readTransactionMetadata(methodInvocation);
    final EntityManager em = this.emProvider.get();

    // Allow 'joining' of transactions if there is an enclosing
    // @KuneTransactional method.
    if (em.getTransaction().isActive()) {
        LOG.debug("Joining a previous transaction");
        return methodInvocation.proceed();
    }

    final EntityTransaction txn = em.getTransaction();
    txn.begin();

    Object result;
    try {
        result = methodInvocation.proceed();

    } catch (final Exception e) {
        // commit transaction only if rollback didnt occur
        LOG.debug("Exception in transaction", e);
        if (rollbackIfNecessary(transactional, e, txn)) {
            txn.commit();
        }

        // propagate whatever exception is thrown anyway
        throw e;
    } finally {
        // Close the em if necessary (guarded so this code doesn't run unless
        // catch fired).
        if (null != didWeStartWork.get() && !txn.isActive()) {
            didWeStartWork.remove();
            unitOfWork.end();
        }
    }

    // everything was normal so commit the txn (do not move into try block above
    // as it
    // interferes with the advised method's throwing semantics)
    try {
        LOG.debug("Trying to commit transaction");
        txn.commit();
    } finally {
        LOG.debug("Transaction commited");
        // close the em if necessary
        if (null != didWeStartWork.get()) {
            didWeStartWork.remove();
            unitOfWork.end();
        }
    }

    // or return result
    return result;
}

---

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

public static KernelImageInfo lookupKernel(final String kernelId) {
    EntityTransaction tx = Entities.get(KernelImageInfo.class);
    KernelImageInfo ret = new KernelImageInfo();
    try {/*w  w w  . j  a  v  a  2s .  c o  m*/
        ret = Entities.uniqueResult(Images.exampleKernelWithImageId(kernelId));
        tx.commit();
    } catch (Exception e) {
        LOG.error("Kernel '" + kernelId + "' does not exist" + e);
        throw new NoSuchElementException("InvalidAMIID.NotFound");
    } finally {
        if (tx.isActive())
            tx.rollback();
    }
    return ret;
}

---

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

/**
 * Stores the given BinaryStorageDao, updating an existing one or creating a new one.
 *
 * @param dao/*from   w w  w  .j a va 2s . c o m*/
 *          the BinaryStorageDao to store
 * @throws BinaryStorageException
 *           if any error occurs
 */
// TODO: don't know if this synchronize is good, was needed to pass the JUNit test TestConcurrentBSSAccessJPA
private synchronized void store(final BinaryStorageDao dao) throws BinaryStorageException {
    _lock.readLock().lock();
    try {
        final EntityManager em = createEntityManager();
        final EntityTransaction transaction = em.getTransaction();
        try {
            transaction.begin();
            if (findBinaryStorageDao(em, dao.getId()) == null) {
                em.persist(dao);
            } else {
                em.merge(dao);
            }
            transaction.commit();
            if (_log.isTraceEnabled()) {
                _log.trace("stored content of id:" + dao.getId());
            }
        } catch (final Exception e) {
            if (transaction.isActive()) {
                transaction.rollback();
            }
            throw new BinaryStorageException(e, "error storing record id: " + dao.getId());
        } finally {
            closeEntityManager(em);
        }
    } finally {
        _lock.readLock().unlock();
    }
}

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From source file:org.opencastproject.usertracking.impl.UserTrackingServiceImpl.java

public UserAction addUserTrackingEvent(UserAction a) throws UserTrackingException {
    EntityManager em = null;//  w  ww. j  av a  2s . co m
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        em.persist(a);
        tx.commit();
        return a;
    } catch (Exception e) {
        if (tx.isActive()) {
            tx.rollback();
        }
        throw new UserTrackingException(e);
    } finally {
        if (em != null && em.isOpen()) {
            em.close();
        }
    }
}

---

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

public static RamdiskImageInfo lookupRamdisk(final String ramdiskId) {
    EntityTransaction tx = Entities.get(RamdiskImageInfo.class);
    RamdiskImageInfo ret = new RamdiskImageInfo();
    try {/*from   ww w  .ja  v  a 2 s.c om*/
        ret = Entities.uniqueResult(Images.exampleRamdiskWithImageId(ramdiskId));
        tx.commit();
    } catch (Exception e) {
        LOG.error("Ramdisk '" + ramdiskId + "' does not exist" + e);
        throw new NoSuchElementException("InvalidAMIID.NotFound");
    } finally {
        if (tx.isActive())
            tx.rollback();
    }
    return ret;
}

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