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.isatools.isatab.ISATABUnloader.java

public void unload() {
    List<Study> studies = new LinkedList<Study>();

    EntityManager emgr = daoFactory.getEntityManager();
    Session session = (Session) emgr.getDelegate();
    EntityTransaction ts = emgr.getTransaction();

    if (studyAcc != null) {
        StudyDAO dao = daoFactory.getStudyDAO();
        Study study = dao.getByAcc(studyAcc);
        if (study == null) {
            log.warn("Study with accession '" + studyAcc + "' not found, no undeletion performed.");
            return;
        }//from  w ww.  j  a  va  2  s  .  c  o m
        studies.add(study);

        unloadMgr = new UnloadManager(daoFactory, study.getSubmissionTs());
        StudyUnloader unloader = (StudyUnloader) unloadMgr.getUnloader(Study.class);
        unloader.queueByAcc(studyAcc);
    } else {
        studies.addAll(daoFactory.getStudyDAO().getBySubmissionTs(unloadMgr.getSubmissionTs()));
        unloadMgr.queueAll(studies);
    }

    try {
        if (!ts.isActive()) {
            ts.begin();
        }
        unloadMgr.delete();
        ts.commit();
    } catch (HibernateException e) {
        if (ts.isActive()) {
            ts.rollback();
        }
        throw new TabInternalErrorException("Error while performing the unloading:" + e.getMessage());
    } finally {
        session.flush();
    }

    DataFilesDispatcher fileDispatcher = new DataFilesDispatcher(daoFactory.getEntityManager());
    fileDispatcher.undispatch(studies);
}

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

private static void generateCanonicaIDs() throws Exception {
    EntityTransaction tran = Entities.get(AccountEntity.class);
    try {//  w w w . ja  v  a 2 s  . c o  m
        List<AccountEntity> accounts = Entities.query(new AccountEntity());
        if (accounts != null && accounts.size() > 0) {
            for (AccountEntity account : accounts) {
                if (account.getCanonicalId() == null || account.getCanonicalId().equals("")) {
                    account.populateCanonicalId();
                    LOG.debug("Assigning canonical id " + account.getCanonicalId() + " for account "
                            + account.getAccountNumber());
                }
            }
        }
        tran.commit();
    } catch (Exception e) {
        LOG.error("Failed to generate and assign canonical ids", e);
        tran.rollback();
        throw e;
    } finally {
        if (tran.isActive()) {
            tran.commit();
        }
    }
}

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

public static ImageInfo lookupImage(String imageId) {
    final EntityTransaction db = Entities.get(ImageInfo.class);
    try {/* w w w.  j  av  a 2  s  .  co  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();
    }
}

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

/**
 * {@inheritDoc}/*from  w  w w. j a  v a  2s  . c om*/
 */
@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   ww  w.  ja v a2 s .  com
    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: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
 *
 *///from ww  w.j  ava2  s .  c o  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);

}

---

From source file:uk.ac.horizon.ug.mrcreator.http.CRUDServlet.java

/** Create on POST.
 * E.g. curl -d '{...}' http://localhost:8888/author/configuration/
 * @param req/*from   ww  w.jav 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);
        if (filterByCreator) {
            String creator = getRequestCreator(req);
            setCreator(o, creator);
        }
        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:de.zib.gndms.logic.model.TaskAction.java

/**
 * Invokes a rollback on an entity transaction and a following {@code begin()},
 * only if it has been marked (using {@code setRollbackOnly()}).
 *
 * @param txParam a transaction to be rewinded
 *///from   w ww.jav a2s  .  c om
private void rewindTransaction(final EntityTransaction txParam) {
    if (txParam.isActive()) {
        if (txParam.getRollbackOnly()) {
            txParam.rollback();
            txParam.begin();
        }
    } else
        txParam.begin();
}

---

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

@Override
public void updateEventWithMetadata(long eventId, Properties caProperties)
        throws SchedulerServiceDatabaseException, NotFoundException {
    if (caProperties == null) {
        caProperties = new Properties();
    }/*from   w ww  .j a v a  2  s  .c  om*/
    String caSerialized;
    try {
        caSerialized = serializeProperties(caProperties);
    } catch (IOException e) {
        logger.error("Could not serialize properties: {}", e);
        throw new SchedulerServiceDatabaseException(e);
    }
    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.setCaptureAgentMetadata(caSerialized);
        em.merge(entity);
        tx.commit();
    } catch (NotFoundException e) {
        logger.error("Event with ID '{}' does not exist", eventId);
        throw e;
    } catch (Exception e) {
        if (tx.isActive()) {
            tx.rollback();
        }
        logger.error("Could not store event metadata: {}", e.getMessage());
        throw new SchedulerServiceDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

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From source file:org.opencastproject.comments.events.persistence.EventCommentDatabaseServiceImpl.java

@Override
public void deleteComment(String eventId, long commentId)
        throws NotFoundException, EventCommentDatabaseException {
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {//from   www.  ja v  a 2 s.co m
        tx.begin();
        EventCommentDto event = getEventComment(eventId, commentId, em);
        if (event == null)
            throw new NotFoundException(
                    "Event comment with ID " + eventId + " and " + commentId + " does not exist");

        em.remove(event);
        tx.commit();
        sendMessageUpdate(eventId);
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not delete event comment: {}", ExceptionUtils.getStackTrace(e));
        if (tx.isActive())
            tx.rollback();

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

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