Example usage for javax.persistence EntityTransaction rollback

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:org.apache.juddi.subscription.SubscriptionNotifier.java

/**
 * Deletes the subscription. i.e. when it is expired.
 * @param subscription/*from   w  w w  . j  a  v a  2  s  .  c om*/
 */
protected void deleteSubscription(Subscription subscription) {
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        em.remove(subscription);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

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

@Test
public void testUniqueApplicationName() throws Exception {
    ApplicationEntity applicationEntity = new ApplicationEntity("app");
    ApplicationEntity applicationEntity2 = new ApplicationEntity("app");

    EntityTransaction entityTransaction = this.entityManager.getTransaction();
    entityTransaction.begin();//from w  w  w .  ja va 2 s . co m
    this.entityManager.persist(applicationEntity);
    entityTransaction.commit();

    entityTransaction.begin();
    assertTrue(ApplicationEntity.hasApplication(this.entityManager, "app"));
    try {
        this.entityManager.persist(applicationEntity2);
        fail();
    } catch (PersistenceException e) {
        entityTransaction.rollback();
    }
}

From source file:org.opencastproject.userdirectory.jpa.JpaUserAndRoleProvider.java

/**
 * A utility class to load the user directory.
 * // w w w .  j  a  v a2  s.  com
 * @param user
 *          the user object
 */
public void addUser(JpaUser user) {

    // Create a JPA user with an encoded password.
    String encodedPassword = PasswordEncoder.encode(user.getPassword(), user.getUsername());
    user = new JpaUser(user.getUsername(), encodedPassword, user.getOrganization(), user.getRoles());

    // Then save the user
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        em.persist(user);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        if (em != null)
            em.close();
    }
}

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

public static List<ImageInfo> listAllImages() {
    final List<ImageInfo> images = Lists.newArrayList();
    final EntityTransaction db = Entities.get(ImageInfo.class);
    try {/*from w  ww.ja  v  a2s. c  om*/
        final List<ImageInfo> found = Entities.query(Images.ALL, true);
        images.addAll(found);
        db.rollback();
    } catch (final Exception e) {
        db.rollback();
        LOG.error("failed to query images", e);
    } finally {
        if (db.isActive())
            db.rollback();
    }
    return images;
}

From source file:org.apache.james.user.jpa.JPAUsersRepository.java

/**
 * @see//from w  w w .jav  a  2s .c  om
 * org.apache.james.user.lib.AbstractUsersRepository#doAddUser(java.lang.String, java.lang.String)
 */
protected void doAddUser(String username, String password) throws UsersRepositoryException {
    String lowerCasedUsername = username.toLowerCase();
    if (contains(lowerCasedUsername)) {
        throw new UsersRepositoryException(lowerCasedUsername + " already exists.");
    }
    EntityManager entityManager = entityManagerFactory.createEntityManager();
    final EntityTransaction transaction = entityManager.getTransaction();
    try {
        transaction.begin();
        JPAUser user = new JPAUser(lowerCasedUsername, password, algo);
        entityManager.persist(user);
        transaction.commit();
    } catch (PersistenceException e) {
        getLogger().debug("Failed to save user", e);
        if (transaction.isActive()) {
            transaction.rollback();
        }
        throw new UsersRepositoryException("Failed to add user" + username, e);
    } finally {
        entityManager.close();
    }
}

From source file:org.apache.juddi.v3.auth.jboss.JBossAuthenticator.java

public UddiEntityPublisher identify(String authInfo, String authorizedName) throws AuthenticationException {
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    Publisher publisher = null;/*  w  w w.j a  va 2 s . c o  m*/
    try {
        tx.begin();
        publisher = em.find(Publisher.class, authorizedName);
        if (publisher == null)
            throw new UnknownUserException(new ErrorMessage("errors.auth.NoPublisher", authorizedName));

        AuthToken at = em.find(AuthToken.class, authInfo);
        if (at == null)
            throw new AuthTokenRequiredException(new ErrorMessage("E_authTokenRequired", authInfo));
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
    return publisher;
}

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

/**
 * {@inheritDoc}/*from ww w. ja va2 s.c  o  m*/
 */
@Override
public void removeRecord(final String id) throws RecordStorageException {
    if (id == null) {
        throw new RecordStorageException("parameter id is null");
    }
    _lock.readLock().lock();
    try {
        final EntityManager em = createEntityManager();
        try {
            final RecordDao dao = findRecordDao(em, id);
            if (dao != null) {
                final EntityTransaction transaction = em.getTransaction();
                try {
                    transaction.begin();
                    em.remove(dao);
                    transaction.commit();
                } catch (final Exception e) {
                    if (transaction.isActive()) {
                        transaction.rollback();
                    }
                    throw new RecordStorageException(e, "error removing record id: " + id);
                }
            } else {
                if (_log.isDebugEnabled()) {
                    _log.debug("could not remove record id: " + id + ". no record with this id exists.");
                }
            }
        } finally {
            closeEntityManager(em);
        }
    } finally {
        _lock.readLock().unlock();
    }
}

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

@Test
public void testKeyStoreEntityUniqueName() throws Exception {
    String keyStoreName = UUID.randomUUID().toString();
    KeyStoreEntity keyStoreEntity = new KeyStoreEntity(keyStoreName, KeyStoreType.PKCS12,
            "/home/fcorneli/test.p12", "test", 0);

    EntityTransaction entityTransaction = this.entityManager.getTransaction();
    entityTransaction.begin();/* w ww.j a v  a2s  .c om*/
    this.entityManager.persist(keyStoreEntity);
    entityTransaction.commit();

    KeyStoreEntity keyStoreEntity2 = new KeyStoreEntity(keyStoreName, KeyStoreType.PKCS12,
            "/home/fcorneli/test.p12", "test", 0);

    entityTransaction.begin();
    try {
        this.entityManager.persist(keyStoreEntity2);
        fail();
    } catch (PersistenceException e) {
        entityTransaction.rollback();
    }
}

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 {//from ww  w.j  a  v  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();
    }
}

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();//w w  w  . j a va2 s  .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");
        }
    }
}