Example usage for javax.persistence EntityTransaction rollback

List of usage examples for javax.persistence EntityTransaction rollback

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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:de.peterspan.csv2db.converter.location.LocationConverter.java

@Override
protected Void doInBackground() throws Exception {
    EntityTransaction tx = null;
    try {//from   www  .  j a va2  s  .  c  o m
        tx = entityManager.getTransaction();
        tx.begin();
        List<String[]> allLines = readFile();

        double increment = 100.0 / allLines.size();
        double progress = 0.0;
        // Removing the header
        // Remove the empty line
        for (String[] line : allLines) {
            progress = progress + increment;
            setProgress((int) Math.round(progress));
            if (line[0].equals("Standort-Nr.")) {
                continue;
            }
            if (line[0].equals("")) {
                continue;
            }
            readLine(line);

        }

        entityManager.flush();
        tx.commit();
    } catch (HibernateException he) {
        if (tx != null) {
            tx.rollback();
        }
    }

    return null;
}

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 {//from ww  w .  j  ava2  s .  c  om
        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:com.eucalyptus.images.Images.java

public static RamdiskImageInfo lookupRamdisk(final String ramdiskId) {
    EntityTransaction tx = Entities.get(RamdiskImageInfo.class);
    RamdiskImageInfo ret = new RamdiskImageInfo();
    try {//  ww w .  java  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;
}

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

public UserAction addUserTrackingEvent(UserAction a) throws UserTrackingException {
    EntityManager em = null;//from  www  .ja  va 2s . c  om
    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:org.eclipse.smila.binarystorage.persistence.jpa.JPABinaryPersistence.java

/**
 * Stores the given BinaryStorageDao, updating an existing one or creating a new one.
 *
 * @param dao//  w w w .  j a  v  a2 s.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();
    }
}

From source file:test.unit.be.fedict.hsm.entity.PersistenceTest.java

@Test
public void testApplicationKeyUniqueAlias() throws Exception {
    ApplicationEntity applicationEntity = new ApplicationEntity("app");

    EntityTransaction entityTransaction = this.entityManager.getTransaction();
    entityTransaction.begin();//  w  w  w.j ava  2 s  . c  o  m
    this.entityManager.persist(applicationEntity);
    entityTransaction.commit();
    long appId = applicationEntity.getId();

    entityTransaction.begin();
    applicationEntity = this.entityManager.find(ApplicationEntity.class, appId);
    ApplicationKeyEntity applicationKeyEntity = new ApplicationKeyEntity(applicationEntity, "alias");
    ApplicationKeyEntity applicationKeyEntity2 = new ApplicationKeyEntity(applicationEntity, "alias");
    this.entityManager.persist(applicationKeyEntity);
    try {
        this.entityManager.persist(applicationKeyEntity2);
        fail();
    } catch (EntityExistsException e) {
        entityTransaction.rollback();
    }
}

From source file:org.eclipse.smila.recordstorage.impl.RecordStorageImpl.java

/**
 * {@inheritDoc}//from ww w.  j a v  a2s .  co m
 */
@Override
public void storeRecord(final Record record) throws RecordStorageException {
    if (record == null) {
        throw new RecordStorageException("parameter record is null");
    }
    _lock.readLock().lock();
    try {
        final EntityManager em = createEntityManager();
        final EntityTransaction transaction = em.getTransaction();
        try {
            final RecordDao dao = new RecordDao(record);
            transaction.begin();
            if (findRecordDao(em, record.getId()) == null) {
                em.persist(dao);
            } else {
                em.merge(dao);
            }
            transaction.commit();
            if (_log.isTraceEnabled()) {
                _log.trace("stored record Id:" + record.getId());
            }
        } catch (final Exception e) {
            if (transaction.isActive()) {
                transaction.rollback();
            }
            throw new RecordStorageException(e, "error storing record id: " + record.getId());
        } finally {
            closeEntityManager(em);
        }
    } finally {
        _lock.readLock().unlock();
    }
}

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

@Override
public void updateEvent(DublinCoreCatalog event) throws NotFoundException, SchedulerServiceDatabaseException {
    if (event == null) {
        throw new SchedulerServiceDatabaseException("Cannot update <null> event");
    }//from   w  w w.j a v  a2 s  . c o  m
    Long eventId = Long.parseLong(event.getFirst(DublinCore.PROPERTY_IDENTIFIER));
    String dcXML;
    try {
        dcXML = serializeDublinCore(event);
    } catch (Exception e1) {
        logger.error("Could not serialize Dublin Core: {}", e1);
        throw new SchedulerServiceDatabaseException(e1);
    }
    EntityManager em = null;
    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.");
        }
        entity.setEventDublinCore(dcXML);
        em.merge(entity);
        tx.commit();
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        if (tx.isActive()) {
            tx.rollback();
        }
        logger.error("Could not store event: {}", e.getMessage());
        throw new SchedulerServiceDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }

}

From source file:name.livitski.tools.persista.TransactionalWork.java

/**
 * Performs the {@link #code database operations} provided by
 * the subclass in JPA transactional brackets. If there is currently
 * no active transaction at the entity manager, a new transaction
 * is started.//from  w  w w  . j  av a 2 s .  c om
 * If the code finishes normally and does not request the rollback,
 * the transaction is committed if it was started by this method
 * (local transaction).
 * If the implementor's code throws an exception or requests the
 * rollback, the local transaction is rolled back and any ongoing
 * transaction is marked
 * {@link EntityTransaction#setRollbackOnly() rollback-only}.
 * @param db the entity manager the operation will be performed with
 * @return <code>true</code> if the transaction has or may still
 * be committed
 * @throws AbstractStorageException indicates an error during
 * the operation
 * @throws RuntimeException any unchecked implementor's exceptions
 * will be rethrown
 * @see EntityManager#getTransaction()
 */
public boolean exec(final EntityManager db) throws AbstractStorageException {
    final EntityTransaction transaction = db.getTransaction();
    boolean commit = false;
    Exception status = null;
    boolean localTransaction;
    if (transaction.isActive())
        localTransaction = false;
    else {
        transaction.begin();
        localTransaction = true;
    }
    try {
        commit = code(db);
        return commit;
    } catch (AbstractStorageException fault) {
        status = fault;
        throw fault;
    } catch (RuntimeException fault) {
        status = fault;
        throw fault;
    } finally {
        if (!localTransaction) {
            if (commit)
                db.flush();
            else
                transaction.setRollbackOnly();
        } else if (!commit || transaction.getRollbackOnly()) {
            try {
                transaction.rollback();
            } catch (RuntimeException fault) {
                if (null != status)
                    log().error("Transaction rollback failed", fault);
                else
                    throw fault;
            }
        } else // commit local transaction
        {
            try {
                transaction.commit();
            } catch (RuntimeException fault) {
                throw fault;
            }
        }
    }
}

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

/**
 * Note: this is for locally originated changes only, see null null null         {@link org.apache.juddi.api.impl.UDDIReplicationImpl.PullTimerTask#PersistChangeRecord PersistChangeRecord
 * } for how remote changes are processed
 *
 * @param j must be one of the UDDI save APIs
 *
 *///w  ww  .j  a va 2 s.  co  m
protected void ProcessChangeRecord(org.apache.juddi.model.ChangeRecord j) {
    //store and convert the changes to database model

    //TODO need a switch to send the notification without persisting the record
    //this is to support multihop notifications
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = null;
    try {
        tx = em.getTransaction();
        tx.begin();
        j.setIsAppliedLocally(true);
        em.persist(j);
        j.setOriginatingUSN(j.getId());
        em.merge(j);
        log.info("CR saved locally, it was from " + j.getNodeID() + " USN:" + j.getOriginatingUSN() + " Type:"
                + j.getRecordType().name() + " Key:" + j.getEntityKey() + " Local id:" + j.getId());
        tx.commit();
    } catch (Exception ex) {
        log.fatal("unable to store local change record locally!!", ex);
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
        JAXB.marshal(MappingModelToApi.mapChangeRecord(j), System.out);
    } finally {
        em.close();
    }

    log.debug("ChangeRecord: " + j.getId() + "," + j.getEntityKey() + "," + j.getNodeID() + ","
            + j.getOriginatingUSN() + "," + j.getRecordType().toString());
    SendNotifications(j.getId(), j.getNodeID(), false);

}