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.nuxeo.ecm.platform.ec.placeful.PlacefulServiceImpl.java

public void removeAnnotationListByParamMap(EntityManager em, Map<String, Object> paramMap, String name) {

    List<Annotation> annotationsToRemove = getAnnotationListByParamMap(em, paramMap, name);
    if (annotationsToRemove != null && !annotationsToRemove.isEmpty()) {
        for (Annotation anno : annotationsToRemove) {
            if (anno != null) {
                em.remove(anno);
            }/*from  ww  w .j  av  a  2  s . c  o  m*/
        }
    }
}

From source file:ec.edu.chyc.manejopersonal.controller.PersonaJpaController.java

public void destroy(Long id) throws Exception {
    EntityManager em = null;
    try {//from w w  w .  jav  a  2s.  c  o m
        em = getEntityManager();
        em.getTransaction().begin();
        em.remove(id);
        em.getTransaction().commit();
    } finally {
        if (em != null) {
            em.close();
        }
    }
}

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

public synchronized void deleteWidgetData(final Widget widget) throws ProviderException {
    if (widget == null) {
        throw new ProviderException("Widget is undefined");
    }/*w  w  w.  ja  v a 2  s  . c  o m*/

    try {
        getPersistenceProvider().run(true, new RunVoid() {
            public void runWith(EntityManager em) {
                Query query = em.createNamedQuery("Data.findByWidget");
                query.setParameter("widgetUid", widget.getUid());
                for (Object dataEntity : query.getResultList()) {
                    em.remove(dataEntity);
                }
            }
        });
    } catch (ClientException e) {
        throw new ProviderException(e);
    }

}

From source file:org.opencastproject.adminui.usersettings.UserSettingsService.java

/**
 * Delete a user setting by using a unique id to find it.
 *
 * @param id/*from  ww  w .j  ava 2s.c  om*/
 *          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:eu.clarin.cmdi.virtualcollectionregistry.VirtualCollectionRegistryMaintenanceImpl.java

protected void purgeDeletedCollections(EntityManager em, final Date nowDatePurge) {
    em.getTransaction().begin();//from w ww . ja v  a  2s.c o  m
    TypedQuery<VirtualCollection> q = em.createNamedQuery("VirtualCollection.findAllByState",
            VirtualCollection.class);
    q.setParameter("state", VirtualCollection.State.DELETED);
    q.setParameter("date", nowDatePurge);
    q.setLockMode(LockModeType.PESSIMISTIC_WRITE);
    for (VirtualCollection vc : q.getResultList()) {
        vc.setState(VirtualCollection.State.DEAD);
        em.remove(vc);
        logger.debug("purged virtual collection (id={})", vc.getId());
    }
    em.getTransaction().commit();
}

From source file:org.rhq.enterprise.server.drift.DriftServerTest.java

protected void deleteEntity(Class<?> clazz, String name, EntityManager em) {
    try {//from  ww  w  . j  a va  2 s .  c om
        Object entity = em
                .createQuery(
                        "select entity from " + clazz.getSimpleName() + " entity where entity.name = :name")
                .setParameter("name", name).getSingleResult();
        if (clazz.equals(Resource.class)) {
            ResourceTreeHelper.deleteResource(em, (Resource) entity);
        } else {
            em.remove(entity);
        }
    } catch (NoResultException e) {
        // we can ignore no results because this code will run when the db
        // is empty and we expect no results in that case
    } catch (NonUniqueResultException e) {
        // we will fail here to let the person running the test know that
        // the database may not be in a consistent state
        fail("Purging " + name + " failed. Expected to find one instance of " + clazz.getSimpleName()
                + " but found more than one. The database may not be in a consistent state.");
    }
}

From source file:org.opencastproject.kernel.security.persistence.OrganizationDatabaseImpl.java

/**
 * @see org.opencastproject.kernel.security.persistence.OrganizationDatabase#deleteOrganization(java.lang.String)
 *///from w ww  .ja va  2s.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:kirchnerei.note.model.DataService.java

public boolean removeNote(Long id) {
    if (NumberUtils.isEmpty(id)) {
        return false;
    }//w w w  .  j a v  a 2 s . com
    EntityManager em = null;
    EntityTransaction tx = null;
    try {
        em = entityService.get();
        tx = em.getTransaction();
        tx.begin();
        Note note = em.find(Note.class, id);
        if (note == null) {
            return false;
        }
        Category category = note.getCategory();
        category.getNotes().remove(note);
        note.setCategory(null);
        em.remove(note);
        if (category.getNotes().isEmpty()) {
            LogUtils.debug(log, "empty category '%s', then remove it", category.getTitle());
            em.remove(category);
        }
        EntityService.commit(tx);
        return true;
    } catch (Exception e) {
        EntityService.rollback(tx);
        return false;
    } finally {
        EntityService.close(em);
    }
}

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

public Resolution removeComponent() {

    EntityManager em = Stripersist.getEntityManager();

    try {//  w w  w. jav  a 2  s . c om
        component = (ConfiguredComponent) em
                .createQuery("from ConfiguredComponent where application = :application and name = :name")
                .setParameter("application", application).setParameter("name", name).getSingleResult();

        em.remove(component);
    } catch (NoResultException e) {
    }
    em.getTransaction().commit();
    return new ForwardResolution("/WEB-INF/jsp/application/layoutmanager.jsp");
}

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 {/*  w  ww  .j a va2 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();
    }
}