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:fr.natoine.dao.annotation.DAOAnnotation.java

/**
 * Retrieves the Resource in the database with the specified id.
 * @param id//from w  ww .j  av  a2s  .co m
 * @return a Resource that may be empty
 */
public Resource retrieveResource(long id) {
    //TODO move this method elsewhere, it's here because extension of Resource Class are not queried if it were in controler-resource package
    //EntityManagerFactory emf = this.setEMF();
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        Resource resource = (Resource) em.createQuery("from Resource where id = ?").setParameter(1, id)
                .getSingleResult();
        tx.commit();
        ////em.close();
        return resource;
    } catch (Exception e) {
        tx.rollback();
        //em.close();
        System.out.println("[RetrieveResource.retrieveResource] unable to retrieve Resource" + " id : " + id
                + " cause : " + e.getMessage());
        return new Resource();
    }
}

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

@SuppressWarnings("unchecked")
public UserAction addUserFootprint(UserAction a) throws UserTrackingException {
    a.setType("FOOTPRINT");
    EntityManager em = null;//  w w  w  .j a va2  s. co m
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        Query q = em.createNamedQuery("findLastUserFootprintOfSession");
        q.setMaxResults(1);
        q.setParameter("sessionId", a.getSessionId());
        Collection<UserAction> userActions = q.getResultList();

        if (userActions.size() >= 1) {
            UserAction last = userActions.iterator().next();
            if (last.getMediapackageId().equals(a.getMediapackageId()) && last.getType().equals(a.getType())
                    && last.getOutpoint() == a.getInpoint()) {
                last.setOutpoint(a.getOutpoint());
                a = last;
                a.setId(last.getId());
            } else {
                em.persist(a);
            }
        } else {
            em.persist(a);
        }
        tx.commit();
        return a;
    } catch (Exception e) {
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
        throw new UserTrackingException(e);
    } finally {
        if (em != null && em.isOpen()) {
            em.close();
        }
    }
}

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From source file:org.apache.juddi.api.impl.JUDDIApiImpl.java

/**
 * Gets all client subscription information. This is used for server to server subscriptions
 * Administrative privilege required./*w  ww .  j  a  v  a  2 s  . c o  m*/
 * @param body
 * @return ClientSubscriptionInfoDetail
 * @throws DispositionReportFaultMessage 
 */
@SuppressWarnings("unchecked")
public ClientSubscriptionInfoDetail getAllClientSubscriptionInfoDetail(GetAllClientSubscriptionInfoDetail body)
        throws DispositionReportFaultMessage {

    new ValidateClientSubscriptionInfo(null).validateGetAllClientSubscriptionDetail(body);

    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();

        this.getEntityPublisher(em, body.getAuthInfo());

        ClientSubscriptionInfoDetail result = new ClientSubscriptionInfoDetail();

        Query query = em.createQuery("SELECT cs from ClientSubscriptionInfo as cs");
        List<org.apache.juddi.model.ClientSubscriptionInfo> modelClientSubscriptionInfoList = query
                .getResultList();

        for (ClientSubscriptionInfo modelClientSubscriptionInfo : modelClientSubscriptionInfoList) {

            org.apache.juddi.api_v3.ClientSubscriptionInfo apiClientSubscriptionInfo = new org.apache.juddi.api_v3.ClientSubscriptionInfo();

            MappingModelToApi.mapClientSubscriptionInfo(modelClientSubscriptionInfo, apiClientSubscriptionInfo);

            result.getClientSubscriptionInfo().add(apiClientSubscriptionInfo);
        }

        tx.commit();
        return result;
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }

}

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

public static void deregisterImage(String imageId) throws NoSuchImageException, InstanceNotTerminatedException {
    EntityTransaction tx = Entities.get(ImageInfo.class);
    try {//from www  .  j  a  v  a 2s  . c o  m
        ImageInfo img = Entities.uniqueResult(Images.exampleWithImageId(imageId));
        if (ImageMetadata.State.deregistered.equals(img.getState())
                || ImageMetadata.State.failed.equals(img.getState())) {
            Entities.delete(img);
        } else {
            if (img instanceof MachineImageInfo) {
                final String runManifestLocation = ((MachineImageInfo) img).getRunManifestLocation();
                final String manifestLocation = ((MachineImageInfo) img).getManifestLocation();
                // cleanup system generated buckets if exist
                if (!manifestLocation.equals(runManifestLocation))
                    img.setState(ImageMetadata.State.deregistered_cleanup);
                else
                    img.setState(ImageMetadata.State.deregistered);
            } else
                img.setState(ImageMetadata.State.deregistered);
        }
        tx.commit();
        if (img instanceof ImageMetadata.StaticDiskImage) {
            StaticDiskImages.flush((StaticDiskImage) img);
        }
    } catch (ConstraintViolationException cve) {
        tx.rollback();
        throw new InstanceNotTerminatedException(
                "To deregister " + imageId + " all associated instances must be in the terminated state.");
    } catch (TransactionException ex) {
        tx.rollback();
        throw new NoSuchImageException("Failed to lookup image: " + imageId, ex);
    } catch (NoSuchElementException ex) {
        tx.rollback();
        throw new NoSuchImageException("Failed to lookup image: " + imageId, ex);
    } finally {
        if (tx.isActive())
            tx.rollback();
    }
}

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From source file:org.apache.juddi.api.impl.UDDIPublicationImpl.java

public List<AssertionStatusItem> getAssertionStatusReport(String authInfo, CompletionStatus completionStatus)
        throws DispositionReportFaultMessage {
    long startTime = System.currentTimeMillis();

    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {//from  w  w w .j  av a2 s  . c  o  m
        tx.begin();

        UddiEntityPublisher publisher = this.getEntityPublisher(em, authInfo);

        List<org.uddi.api_v3.AssertionStatusItem> result = PublicationHelper
                .getAssertionStatusItemList(publisher, completionStatus, em);

        tx.commit();
        long procTime = System.currentTimeMillis() - startTime;
        serviceCounter.update(PublicationQuery.GET_ASSERTIONSTATUSREPORT, QueryStatus.SUCCESS, procTime);

        return result;
    } catch (DispositionReportFaultMessage drfm) {
        long procTime = System.currentTimeMillis() - startTime;
        serviceCounter.update(PublicationQuery.GET_ASSERTIONSTATUSREPORT, QueryStatus.FAILED, procTime);
        throw drfm;
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

---

From source file:fr.natoine.dao.annotation.DAOAnnotation.java

/**
 * Retrieves an AnnotationStatus in the database according to the specified label
 * @param label/* w  w  w  . jav  a 2 s .c  o  m*/
 * @return an AnnotationStatus that may be a new UriStatus with no value.
 */
public AnnotationStatus retrieveAnnotationStatus(String label) {
    //EntityManagerFactory emf = this.setEMF();
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        AnnotationStatus annotationstatus = (AnnotationStatus) em
                .createQuery("from AnnotationStatus where label = ?").setParameter(1, label).getSingleResult();
        tx.commit();
        return annotationstatus;
    } catch (Exception e) {
        tx.rollback();
        //em.close();
        System.out.println(
                "[RetrieveAnnotationStatus.retrieveAnnotationStatus] unable to retrieve AnnotationStatus"
                        + " label : " + label + " cause : " + e.getMessage());
        return new AnnotationStatus();
    }
}

---

From source file:org.apache.juddi.api.impl.JUDDIApiImpl.java

/**
 * Saves nodes(s) to the persistence layer. This method is specific to
 * jUDDI. Administrative privilege required. This is used for server to server subscriptions and for future use
 * with replication. Administrative privilege required.
 * @param body/*  www  .  j a va  2s. co m*/
 * @return NodeDetail
 * @throws DispositionReportFaultMessage 
 */
public NodeDetail saveNode(SaveNode body) throws DispositionReportFaultMessage {

    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();

        UddiEntityPublisher publisher = this.getEntityPublisher(em, body.getAuthInfo());

        new ValidateNode(publisher).validateSaveNode(em, body);

        NodeDetail result = new NodeDetail();

        List<org.apache.juddi.api_v3.Node> apiNodeList = body.getNode();
        ;
        for (org.apache.juddi.api_v3.Node apiNode : apiNodeList) {

            org.apache.juddi.model.Node modelNode = new org.apache.juddi.model.Node();

            MappingApiToModel.mapNode(apiNode, modelNode);

            Object existingUddiEntity = em.find(modelNode.getClass(), modelNode.getName());
            if (existingUddiEntity != null) {
                em.merge(modelNode);
            } else {
                em.persist(modelNode);
            }

            result.getNode().add(apiNode);
        }

        tx.commit();
        return result;
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

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From source file:com.espirit.moddev.examples.uxbridge.newswidget.jpa.ArticleHandler.java

/**
 * Add or update a news article in the db
 *
 * @param entity The NewsItem/* w w  w. j  ava 2 s  .  co  m*/
 */
public void add(UXBEntity entity) throws Exception {

    Article art = buildArticle(entity);

    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();

        Query query = em.createQuery(new StringBuilder()
                .append("SELECT x FROM article x WHERE x.aid = :fsid AND x.language=:language").toString());
        query.setParameter("fsid", art.getAid());
        query.setParameter("language", art.getLanguage());

        /*
        * If the item exists in the db, we update the content and the title of the existing item
        */
        if (query.getResultList().size() > 0) {
            Article db = (Article) query.getSingleResult();
            db.setContent(art.getContent());
            db.setTitle(art.getTitle());
            db.setUrl(art.getUrl());
            db.setCreated(art.getCreated());
            db.setAid(art.getAid());
            db.setLanguage(art.getLanguage());
            db.setVersion(art.getVersion());
            db.setLastmodified(art.getLastmodified());

            art = db;
        }
        // save to db
        em.persist(art);
        em.flush();

        tx.commit();
    } catch (Exception e) {
        if (tx != null) {
            tx.setRollbackOnly();
            throw e;
        }
        logger.error("Failure while writing to the database", e);
    } finally {
        if (tx != null && tx.isActive()) {
            if (tx.getRollbackOnly()) {
                tx.rollback();
            }
        }
        if (em != null) {
            em.close();
        }
    }
}

---

From source file:org.apache.juddi.api.impl.JUDDIApiImpl.java

/**
 * Saves clerk(s) to the persistence layer. This method is specific to
 * jUDDI. This is used for server to server subscriptions and for future use
 * with replication. Administrative privilege required.
 * @param body/* www  .  j a  v  a 2 s .c om*/
 * @return ClerkDetail
 * @throws DispositionReportFaultMessage 
 */
public ClerkDetail saveClerk(SaveClerk body) throws DispositionReportFaultMessage {

    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();

        UddiEntityPublisher publisher = this.getEntityPublisher(em, body.getAuthInfo());

        new ValidateClerk(publisher).validateSaveClerk(em, body);

        ClerkDetail result = new ClerkDetail();

        List<org.apache.juddi.api_v3.Clerk> apiClerkList = body.getClerk();
        ;
        for (org.apache.juddi.api_v3.Clerk apiClerk : apiClerkList) {

            org.apache.juddi.model.Clerk modelClerk = new org.apache.juddi.model.Clerk();

            MappingApiToModel.mapClerk(apiClerk, modelClerk);

            Object existingUddiEntity = em.find(modelClerk.getClass(), modelClerk.getClerkName());
            if (existingUddiEntity != null) {
                em.merge(modelClerk);
            } else {
                em.persist(modelClerk);
            }

            result.getClerk().add(apiClerk);
        }

        tx.commit();
        return result;
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

---

From source file:fr.natoine.dao.annotation.DAOAnnotation.java

/**
 * Retrieves a list of Annotation according to the specified label
 * @param label//from   www .  j  a v  a2 s  .c o  m
 * @return
 */
public List<Annotation> retrieveAnnotation(String label) {
    //EntityManagerFactory emf = this.setEMF();
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        //List docs = em.createQuery("from Annotation where label = '" + label + "'").getResultList();
        List<Annotation> docs = ((List<Annotation>) em.createQuery("from Annotation where label = ?")
                .setParameter(1, label).getResultList());
        tx.commit();
        return docs;
    } catch (Exception e) {
        tx.rollback();
        //em.close();
        System.out.println("[RetrieveAnnotation.retrieveAnnotation] unable to retrieve Annotation" + " label : "
                + label + " cause : " + e.getMessage());
        return new ArrayList<Annotation>();
    }
}

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