Example usage for javax.persistence EntityManager remove

Introduction

In this page you can find the example usage for javax.persistence EntityManager remove.

Prototype

public void remove(Object entity);

Source Link

Document

Remove the entity instance.

Usage

From source file:org.jasig.portal.portlet.dao.jpa.JpaMarketplaceRatingDao.java

/**
 * @param entity to delete - can not be null
 *///from  ww w.  j  av a2s  .  c o  m
@Override
@PortalTransactional
public void deleteRating(IMarketplaceRating marketplaceRatingImplementation) {
    Validate.notNull(marketplaceRatingImplementation, "ratingPK can not be null");
    final IMarketplaceRating persistantMarketplaceRatingImpl;
    final EntityManager entityManager = this.getEntityManager();
    if (entityManager.contains(marketplaceRatingImplementation)) {
        persistantMarketplaceRatingImpl = marketplaceRatingImplementation;
    } else {
        persistantMarketplaceRatingImpl = entityManager.merge(marketplaceRatingImplementation);
    }
    entityManager.remove(persistantMarketplaceRatingImpl);
}

From source file:com.epam.training.taranovski.web.project.repository.implementation.OfferBidRepositoryImplementation.java

@Override
public boolean delete(OfferBid something) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    OfferBid managedManagedOfferBid = null;
    try {/*from  ww w .  j  a v  a 2  s  .  c om*/
        em.getTransaction().begin();
        managedManagedOfferBid = em.merge(something);
        em.remove(managedManagedOfferBid);
        em.getTransaction().commit();

        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(OfferBidRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
            success = false;
        }
        em.close();
    }

    return success;
}

From source file:org.jasig.portlet.blackboardvcportlet.dao.impl.PresentationDaoImpl.java

@Override
@Transactional//  w  w  w .ja  va 2  s. com
public void deletePresentation(Presentation presentation) {
    Validate.notNull(presentation, "presentation can not be null");

    final EntityManager entityManager = this.getEntityManager();

    final PresentationImpl presentationImpl = entityManager.find(PresentationImpl.class,
            presentation.getPresentationId());

    final ConferenceUser creator = presentationImpl.getCreator();
    final ConferenceUserImpl creatorImpl = this.conferenceUserDao.getUser(creator.getUserId());
    creatorImpl.getPresentations().remove(presentationImpl);

    entityManager.remove(presentationImpl);
    entityManager.persist(creatorImpl);
}

From source file:de.egore911.opengate.services.GameserverService.java

@GET
@Path("/remove")
@Produces("application/json")
@Documentation("This method removes a gameserver from the list. It is recommend to call this "
        + "method on shutdown of the gameserver. The remote IP will be obtained from the packet "
        + "sent to the server so server behind a NAT will not work. The method will answer using "
        + "a JSON object like {status: 'ok', detail: '...'}.")
public Response removeGameserver(@Context HttpServletRequest req) {
    String remoteAddr = req.getRemoteAddr();
    EntityManager em = EntityManagerFilter.getEntityManager();
    Gameserver gameserver;/*from w ww.  j a va2s.  c  o m*/
    try {
        JSONObject retval = new JSONObject();
        StatusHelper.ok(retval);
        try {
            gameserver = (Gameserver) em
                    .createQuery("select gameserver from Gameserver gameserver where address = :address")
                    .setParameter("address", remoteAddr).getSingleResult();
            em.remove(gameserver);
            retval.put("detail", "Successfully removed");
        } catch (NoResultException e) {
            // Nothing to do
            retval.put("detail", "Already removed");
        }
        return Response.ok(retval.toString()).build();
    } catch (JSONException e) {
        LOG.log(Level.SEVERE, e.getMessage(), e);
        return Response.status(Status.INTERNAL_SERVER_ERROR).build();
    }
}

From source file:nl.b3p.viewer.admin.stripes.ConfigureSolrActionBean.java

public Resolution delete() {
    removeFromIndex();/* w w  w. j a v a2s .  c om*/
    EntityManager em = Stripersist.getEntityManager();
    solrConfiguration.getIndexAttributes().clear();
    solrConfiguration.getResultAttributes().clear();
    em.remove(solrConfiguration);
    em.getTransaction().commit();
    return new ForwardResolution(EDIT_JSP);
}

From source file:org.apereo.portal.portlet.dao.jpa.JpaMarketplaceRatingDao.java

/**
 * @param entity to delete - can not be null
 *///from   w  ww .  j  av a 2  s  .  c  o m
@Override
@PortalTransactional
public void deleteRating(IMarketplaceRating marketplaceRatingImplementation) {
    Validate.notNull(marketplaceRatingImplementation, "marketplaceRatingImplementation can not be null");
    final IMarketplaceRating persistantMarketplaceRatingImpl;
    final EntityManager entityManager = this.getEntityManager();
    if (entityManager.contains(marketplaceRatingImplementation)) {
        persistantMarketplaceRatingImpl = marketplaceRatingImplementation;
    } else {
        persistantMarketplaceRatingImpl = entityManager.merge(marketplaceRatingImplementation);
    }
    entityManager.remove(persistantMarketplaceRatingImpl);
}

From source file:org.nuxeo.theme.webwidgets.providers.PersistentProvider.java

@Override
public void destroy() throws ProviderException {
    try {//from   ww  w  .ja  v  a 2s .c o m
        getPersistenceProvider().run(true, new RunVoid() {
            public void runWith(EntityManager em) {
                em.createQuery("DELETE FROM DataEntity data").executeUpdate();
                for (Object w : em.createQuery("FROM WidgetEntity widget").getResultList()) {
                    em.remove(w);
                }
            }
        });
    } catch (ClientException e) {
        throw new ProviderException(e);
    }
}

From source file:fr.xebia.demo.wicket.blog.service.GenericService.java

public void deleteById(Serializable id) throws ServiceException {
    try {//from w ww .j  a va 2s.c  o m
        EntityManager entityManager = currentEntityManager();
        entityManager.getTransaction().begin();
        Object loadedEntity = entityManager.find(getObjectClass(), id);
        if (loadedEntity == null) {
            throw new ServiceException("Entity referenced by id " + id + " does not exist");
        }
        entityManager.remove(loadedEntity);
        commitTransaction();
    } catch (PersistenceException e) {
        logger.error(e.getCause(), e);
        rollbackTransaction();
        throw new ServiceException("Can't delete object", e);
    } finally {
        closeEntityManager();
    }
}

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  2s .  c o  m
 */
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:uk.ac.edukapp.service.UserAccountService.java

public Message removeFavourite(Useraccount user, Widgetprofile favourite) {
    EntityManager em = this.getEntityManagerFactory().createEntityManager();
    em.getTransaction().begin();/*from  www . ja v  a  2s.com*/
    Query q = em.createNamedQuery("favourite.select");
    q.setParameter("user", user);
    q.setParameter("widgetprofile", favourite);
    WidgetFavourite fav = (WidgetFavourite) q.getSingleResult();
    Message msg = new Message();
    if (fav != null) {
        em.remove(fav);
        msg.setMessage("OK");
    } else {
        msg.setMessage("Favourite could not be removed");
    }
    em.getTransaction().commit();
    em.close();
    return msg;
}