Examples with EntityTransaction javax.persistence.EntityTransaction used on opensource projects

Example 66 with EntityTransaction

use of javax.persistence.EntityTransaction in project opencast by opencast.

the class SchedulerServiceDatabaseImpl method deleteEvent.

@Override
public void deleteEvent(String mediapackageId) throws NotFoundException, SchedulerServiceDatabaseException {
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        Opt<ExtendedEventDto> entity = getExtendedEventDto(mediapackageId, em);
        if (entity.isNone()) {
            throw new NotFoundException("Event with ID " + mediapackageId + " does not exist");
        }
        em.remove(entity.get());
        tx.commit();
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        if (tx.isActive())
            tx.rollback();
        logger.error("Could not delete extended event: {}", getStackTrace(e));
        throw new SchedulerServiceDatabaseException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

Example 67 with EntityTransaction

use of javax.persistence.EntityTransaction in project joynr by bmwcarit.

the class DiscoveryEntryStorePersisted method add.

/*
     * (non-Javadoc)
     * @see io.joynr.capabilities.CapabilitiesStore#add(io.joynr.
     * capabilities .DiscoveryEntry)
     */
@Override
public synchronized void add(DiscoveryEntry discoveryEntry) {
    logger.debug("adding discovery entry: {}", discoveryEntry);
    if (!(discoveryEntry instanceof GlobalDiscoveryEntryPersisted)) {
        return;
    }
    GlobalDiscoveryEntryPersisted globalDiscoveryEntry = (GlobalDiscoveryEntryPersisted) discoveryEntry;
    if (globalDiscoveryEntry.getDomain() == null || globalDiscoveryEntry.getInterfaceName() == null || globalDiscoveryEntry.getParticipantId() == null || globalDiscoveryEntry.getAddress() == null) {
        String message = "discoveryEntry being registered is not complete: " + discoveryEntry;
        logger.error(message);
        throw new JoynrCommunicationException(message);
    }
    GlobalDiscoveryEntryPersisted discoveryEntryFound = entityManager.find(GlobalDiscoveryEntryPersisted.class, discoveryEntry.getParticipantId());
    EntityTransaction transaction = entityManager.getTransaction();
    try {
        transaction.begin();
        if (discoveryEntryFound != null) {
            entityManager.merge(discoveryEntry);
        } else {
            entityManager.persist(discoveryEntry);
        }
        transaction.commit();
    } catch (Exception e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        logger.error("unable to add discoveryEntry: " + discoveryEntry, e);
    }
}

Example 68 with EntityTransaction

use of javax.persistence.EntityTransaction in project joynr by bmwcarit.

the class DiscoveryEntryStorePersisted method touch.

@Override
public void touch(String clusterControllerId) {
    String query = "from GlobalDiscoveryEntryPersisted where clusterControllerId=:clusterControllerId";
    EntityTransaction transaction = entityManager.getTransaction();
    try {
        transaction.begin();
        @SuppressWarnings("unchecked") List<DiscoveryEntry> capabilitiesList = entityManager.createQuery(query).setParameter("clusterControllerId", clusterControllerId).getResultList();
        for (DiscoveryEntry discoveryEntry : capabilitiesList) {
            logger.trace("  --> BEFORE entry {} last seen {}", discoveryEntry.getParticipantId(), discoveryEntry.getLastSeenDateMs());
            ((GlobalDiscoveryEntryPersisted) discoveryEntry).setLastSeenDateMs(System.currentTimeMillis());
            logger.trace("  --> AFTER  entry {} last seen {}", discoveryEntry.getParticipantId(), discoveryEntry.getLastSeenDateMs());
        }
        transaction.commit();
    } catch (RuntimeException e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        logger.error("Error updating last seen date for cluster controller with ID {}", clusterControllerId, e);
    }
}

Example 69 with EntityTransaction

use of javax.persistence.EntityTransaction in project joynr by bmwcarit.

the class DiscoveryEntryStorePersisted method removeCapabilityFromStore.

private boolean removeCapabilityFromStore(String participantId) {
    GlobalDiscoveryEntryPersisted discoveryEntry = entityManager.find(GlobalDiscoveryEntryPersisted.class, participantId);
    EntityTransaction transaction = entityManager.getTransaction();
    try {
        transaction.begin();
        entityManager.remove(discoveryEntry);
        transaction.commit();
    } catch (Exception e) {
        if (transaction.isActive()) {
            transaction.rollback();
        }
        logger.error("unable to remove capability: " + participantId, e);
        return false;
    } finally {
    }
    return true;
}

Example 70 with EntityTransaction

use of javax.persistence.EntityTransaction in project joynr by bmwcarit.

the class ChannelDatabase method addChannel.

@Override
public void addChannel(Channel channel) {
    logger.trace("add channel {}", channel);
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        BounceProxyInformationEntity bpInfoEntity = em.find(BounceProxyInformationEntity.class, channel.getBounceProxy().getId());
        if (bpInfoEntity == null) {
            tx.rollback();
            logger.error("No bounce proxy with ID {} registered for channel {}", channel.getBounceProxy().getId(), channel.getChannelId());
            throw new IllegalArgumentException("No bounce proxy with ID '" + channel.getBounceProxy().getId() + "' registered for channel '" + channel.getChannelId() + "'");
        }
        ChannelEntity entity = new ChannelEntity(channel.getChannelId(), bpInfoEntity, channel.getLocation().toString());
        em.persist(entity);
        tx.commit();
    } catch (RuntimeException ex) {
        logger.error("Error persisting channel with ID {}: error: {}", channel.getChannelId(), ex.getMessage());
        if (tx != null && tx.isActive())
            tx.rollback();
        throw ex;
    }
}