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:facades.PersonFacadeDB.java

@Override
public Person delete(Integer id) throws NotFoundException {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceFileName);
    EntityManager em = emf.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();// w  w  w .j av  a  2  s  .  com

    Person p = em.find(Person.class, id);

    if (p == null) {
        transaction.rollback();
        throw new NotFoundException("No person for the given id");
    } else {
        em.remove(p);
        transaction.commit();
    }

    return p;
}

From source file:net.anthonychaves.bookmarks.service.UserService.java

public User deleteBookmark(User user, String bookmarkId) {
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();//from   ww w.  j a v a 2 s. c  om
    Bookmark bookmark = (Bookmark) em.find(Bookmark.class, bookmarkId);
    if (user.getId() != bookmark.getUser().getId()) {
        throw new RuntimeException("user ids don't match when deleting a bookmark");
    }
    user = (User) em.find(User.class, user.getId());
    user.getBookmarks().remove(bookmark);
    em.remove(bookmark);
    em.getTransaction().commit();

    return user;
}

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

@Override
@PortalTransactional/* ww  w  . j  a v a2s. c o  m*/
public void deletePortletDefinition(IPortletDefinition definition) {
    Validate.notNull(definition, "definition can not be null");

    final IPortletDefinition persistentPortletDefinition;
    final EntityManager entityManager = this.getEntityManager();
    if (entityManager.contains(definition)) {
        persistentPortletDefinition = definition;
    } else {
        persistentPortletDefinition = entityManager.merge(definition);
    }

    entityManager.remove(persistentPortletDefinition);
}

From source file:fr.mby.portal.coreimpl.auth.DbPortalUserAuthenticationProvider.java

/** Init the DB with default users : user:user456 & admin:admin456 */
protected void initDefaultUsers() {
    final PortalUser user = this.buildPortalUser("user", "user456");
    final PortalUser admin = this.buildPortalUser("admin", "admin456");

    final EntityManager portalUserEm = this.portalUserEmf.createEntityManager();

    // Remove transaction
    portalUserEm.getTransaction().begin();

    final PortalUser foundAdmin = this.findPortalUserByLogin(portalUserEm, "admin");
    if (foundAdmin != null) {
        portalUserEm.remove(foundAdmin);
    }//from   w w  w  . ja  v a2 s  .co  m

    final PortalUser foundUser = this.findPortalUserByLogin(portalUserEm, "user");
    if (foundUser != null) {
        portalUserEm.remove(foundUser);
    }

    portalUserEm.getTransaction().commit();

    // Insert transaction
    portalUserEm.getTransaction().begin();

    portalUserEm.persist(user);
    portalUserEm.persist(admin);

    portalUserEm.getTransaction().commit();

    portalUserEm.close();
}

From source file:org.apereo.portal.persondir.dao.jpa.JpaLocalAccountDaoImpl.java

@Override
@PortalTransactional/* w ww.j  a  v a 2 s. co  m*/
public void deleteAccount(ILocalAccountPerson account) {
    Validate.notNull(account, "definition can not be null");

    final EntityManager entityManager = this.getEntityManager();

    final ILocalAccountPerson persistentAccount;
    if (entityManager.contains(account)) {
        persistentAccount = account;
    } else {
        persistentAccount = entityManager.merge(account);
    }

    entityManager.remove(persistentAccount);
}

From source file:de.zib.gndms.infra.model.GridEntityModelHandler.java

/**
 * Removes a resource's model from the persistent store
 *
 * @param emParam the EntityManager to be used or null for an EM from this handler's system
 * @param resource/*from  w  w  w . jav  a 2  s. c o m*/
 * @throws NoSuchResourceException if no model exists
 */
final public @NotNull M removeModel(final EntityManager emParam, final @NotNull R resource) {
    return txRun(emParam, new Function<EntityManager, M>() {
        public M apply(@com.google.common.base.Nullable @NotNull EntityManager em) {
            try {
                final @NotNull M model = loadModel(em, resource);
                em.remove(model);
                return model;
            } catch (ResourceException e) {
                throw new RuntimeException(e);
            }
        }
    });
}

From source file:de.iai.ilcd.model.dao.AbstractDao.java

/**
 * Default remove: bring back to persistence context if required and delete
 * /*from  ww w .  ja  v a 2s. c om*/
 * @param objs
 *            objects to remove
 * @return removed objects
 * @throws Exception
 *             on errors (transaction is being rolled back)
 */
public Collection<T> remove(Collection<T> objs) throws Exception {
    if (objs == null || objs.isEmpty()) {
        return null;
    }
    Collection<T> res = new ArrayList<T>();
    EntityManager em = PersistenceUtil.getEntityManager();
    EntityTransaction t = em.getTransaction();

    try {
        t.begin();
        for (T obj : objs) {
            T tmp = em.contains(obj) ? obj : em.merge(obj);
            em.remove(tmp);
            res.add(tmp);
        }
        t.commit();
        return res;
    } catch (Exception e) {
        t.rollback();
        throw e;
    }
}

From source file:fr.amapj.service.services.saisiepermanence.PermanenceService.java

/**
 * Permet de supprimer une distribution//  w  ww .j  a v  a  2 s  .  c om
 * Ceci est fait dans une transaction en ecriture
 */
@DbWrite
public void deleteDistribution(final Long id) {
    EntityManager em = TransactionHelper.getEm();

    DatePermanence d = em.find(DatePermanence.class, id);

    List<DatePermanenceUtilisateur> dus = getAllDateDistriUtilisateur(em, d);
    for (DatePermanenceUtilisateur du : dus) {
        em.remove(du);
    }

    em.remove(d);
}

From source file:com.yahoo.sql4d.indexeragent.meta.DBHandler.java

private void addUpdateDeleteEntity(Object entity, Action action) {
    EntityManager em = getEntityManager();
    try {//  w w w.j a va2s .c  o  m
        em.getTransaction().begin();
        switch (action) {
        case ADD:
            em.persist(entity);
            break;
        case UPDATE:
            em.merge(entity);
            break;
        case DELETE:
            em.remove(entity);
            break;
        }
    } catch (RuntimeException e) {
        log.error("Something wrong persisting/merging/removing entity {}, so rolling back . Exception is {}",
                entity, ExceptionUtils.getStackTrace(e));
        em.getTransaction().rollback();
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().commit();
        }
        em.close();
    }
}

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

@Override
@Transactional//from w w  w.ja va  2  s . c  o m
public void deleteMultimedia(Multimedia multimedia) {
    Validate.notNull(multimedia, "multimedia can not be null");

    final EntityManager entityManager = this.getEntityManager();

    final MultimediaImpl multimediaImpl = entityManager.find(MultimediaImpl.class,
            multimedia.getMultimediaId());

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

    entityManager.remove(multimediaImpl);
    //entityManager.remove(creatorImpl);      
}