Example usage for javax.persistence EntityTransaction commit

List of usage examples for javax.persistence EntityTransaction commit

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Introduction

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

Prototype

public void commit();

Source Link

Document

Commit the current resource transaction, writing any unflushed changes to the database.

Usage

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/*from  ww  w.  jav a  2  s.  c om*/
 * @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.opencastproject.adminui.usersettings.UserSettingsService.java

/**
 * Delete a user setting by using a unique id to find it.
 *
 * @param id/* ww w.j  a  v  a  2 s . co 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:com.busimu.core.dao.impl.UserMngDaoPolicyJpaImpl.java

/**
 * {@inheritDoc}/*w w w . j av  a  2  s . c  om*/
 */
@Override
public User activateUser(User user, String licenseCode) {
    EntityManager em = ((EntityManagerHolder) TransactionSynchronizationManager.getResource(emf))
            .getEntityManager();
    EntityTransaction tx = em.getTransaction();
    License l = getLicenseByCode(em, licenseCode);
    if (l != null) {
        if (!tx.isActive()) {
            tx.begin();
        }
        user.setType(User.Type.valueOf(l.getType().name()));
        user.setStatus(User.Status.ACTIVE);
        user = em.merge(user);
        em.remove(l);
        tx.commit();
    }
    return user;
}

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 {//from w w w .  ja v a 2 s  .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();
    }
}

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 va2 s . 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();
    }
}

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 .ja  va  2  s.  c  o  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();
    }
}

From source file:org.sakaiproject.kernel.authz.simple.SubjectPermissionListener.java

/**
 * {@inheritDoc}//  w ww. j a  va 2s .  co  m
 *
 * @see org.sakaiproject.kernel.jcr.api.JcrContentListener#onEvent(int,
 *      java.lang.String, java.lang.String, java.lang.String)
 */
public void onEvent(int type, String userID, String filePath, String fileName) {
    if (fileName.equals(KernelConstants.GROUP_FILE_NAME)) {
        InputStream in = null;
        try {
            in = jcrNodeFactoryService.getInputStream(filePath);
            String groupBody = IOUtils.readFully(in, "UTF-8");
            if (groupBody != null && groupBody.length() > 0) {
                EntityTransaction transaction = entityManager.getTransaction();

                if (!transaction.isActive()) {
                    transaction.begin();
                }
                // update the index for subjects and groups
                updateSubjectPermissionIndex(groupBody);

                // update the index used for searching sites
                updateSiteIndex(groupBody, filePath);

                transaction.commit();
            }
        } catch (UnsupportedEncodingException e) {
            LOG.error(e);
        } catch (IOException e) {
            LOG.warn("Failed to read userenv " + filePath + " cause :" + e.getMessage());
            if (debug)
                LOG.debug(e);
        } catch (RepositoryException e) {
            LOG.warn("Failed to read userenv for " + filePath + " cause :" + e.getMessage());
            if (debug)
                LOG.debug(e);
        } catch (JCRNodeFactoryServiceException e) {
            LOG.warn("Failed to read userenv for " + filePath + " cause :" + e.getMessage());
            if (debug)
                LOG.debug(e);
        } finally {
            try {
                in.close();
            } catch (Exception ex) {// not interested in this
            }

        }
    }

}

From source file:com.sdl.odata.datasource.jpa.JPADataSource.java

@Override
public void delete(ODataUri uri, EntityDataModel entityDataModel) throws ODataException {
    Option<Object> entity = extractEntityWithKeys(uri, entityDataModel);

    if (entity.isDefined()) {
        Object jpaEntity = entityMapper.convertODataEntityToDS(entity.get(), entityDataModel);
        if (jpaEntity != null) {
            EntityManager entityManager = getEntityManager();
            EntityTransaction transaction = entityManager.getTransaction();
            try {
                transaction.begin();//from w  ww  .  j a  v  a 2s.c  o m

                Object attached = entityManager.merge(jpaEntity);
                entityManager.remove(attached);
            } catch (PersistenceException e) {
                LOG.error("Could not remove entity: {}", entity);
                throw new ODataDataSourceException("Could not remove entity", e);
            } finally {
                if (transaction.isActive()) {
                    transaction.commit();
                } else {
                    transaction.rollback();
                }
            }
        } else {
            throw new ODataDataSourceException("Could not remove entity, could not be loaded");
        }
    }
}

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 {/*ww w .j  a  v  a  2s.  com*/
        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();
    }
}

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

public static void registerFromPendingImage(String imageId) throws Exception {
    EntityTransaction tx = Entities.get(PutGetImageInfo.class);
    try {// ww  w  .  ja  v a  2  s .  c o m
        ImageInfo ret = Entities.uniqueResult(Images.exampleWithImageId(imageId));
        ret.setState(State.available);
        tx.commit();
    } catch (Exception e) {
        tx.rollback();
        throw new EucalyptusCloudException(
                "Failed to update image: " + imageId + " because of: " + e.getMessage(), e);
    }
}