Example usage for javax.persistence EntityManager remove

List of usage examples for javax.persistence EntityManager remove

  1. HOME
  2. Java
  3. javax
  4. javax.persistence.*
  5. EntityManager
  6. 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.eclipse.jubula.client.core.persistence.NodePM.java

/**
 * Insert a child and persist to DB//from w ww .  ja  v a 2s  .  c  om
 * 
 * @param parent
 *            parent of child to insert
 * @param child
 *            child to insert
 * @param pos
 *            where to insert the child. if null insert after end
 * @param handler
 *            Command for adding and removing a child
 * @param doAdd
 *            specifies if an add operation should be performed. If false,
 *            the child node is removed.
 * @throws PMException in case of rollback failed
 * @throws ProjectDeletedException if the project was deleted in another
 * instance
 */
private static void processAndPersistChildNode(INodePO parent, INodePO child, Integer pos,
        AbstractCmdHandleChild handler, boolean doAdd) throws PMException, ProjectDeletedException {
    EntityTransaction tx = null;
    IPersistentObject lockedObj = null;
    GeneralStorage gs = GeneralStorage.getInstance();
    final EntityManager sess = gs.getMasterSession();
    IProjectPO currentProject = gs.getProject();
    final Persistor persistor = Persistor.instance();
    if (parent == ISpecObjContPO.TCB_ROOT_NODE) {
        lockedObj = currentProject.getSpecObjCont();
    } else if (parent == IExecObjContPO.TSB_ROOT_NODE) {
        lockedObj = currentProject.getExecObjCont();
    } else {
        lockedObj = parent;
    }
    try {
        tx = persistor.getTransaction(sess);
        persistor.lockPO(sess, lockedObj);
        if (!doAdd) { // don't lock newly created POs 
            lockedObj = child;
            persistor.lockPO(sess, lockedObj);
        }
    } catch (PersistenceException e) {
        PersistenceManager.handleDBExceptionForMasterSession(lockedObj, e);
    }
    if (doAdd) {

        handler.add(parent, child, pos);
    } else {
        handler.delete(parent, child);
    }
    try {
        if (!doAdd) {
            sess.remove(child);
        }
        persistor.commitTransaction(sess, tx);
    } catch (PersistenceException e) {
        PersistenceManager.handleDBExceptionForMasterSession(null, e);
    }
}

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

/**
 * Completely deletes a tModel from the persistence layer.
 * Administrative privilege required. All entities that reference this tModel
 * will no longer be able to use the tModel if jUDDI Option Enforce referential Integrity is enabled.<br>
 * Required permission, you must be am administrator
 * {@link Property#JUDDI_ENFORCE_REFERENTIAL_INTEGRITY}
 * @param body/* w  ww .  j ava2  s  .c  o  m*/
 * @throws DispositionReportFaultMessage 
 */
public void adminDeleteTModel(DeleteTModel body) throws DispositionReportFaultMessage {

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

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

        new ValidatePublish(publisher).validateAdminDeleteTModel(em, body);

        List<String> entityKeyList = body.getTModelKey();
        for (String entityKey : entityKeyList) {
            Object obj = em.find(org.apache.juddi.model.Tmodel.class, entityKey);
            em.remove(obj);
        }

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

From source file:org.opencastproject.messages.MailService.java

public void deleteMessageTemplate(Long id) throws MailServiceException, NotFoundException {
    EntityManager em = null;
    EntityTransaction tx = null;/*from w  w  w . ja  va2 s  .  c  o  m*/
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        String orgId = securityService.getOrganization().getId();
        Option<MessageTemplateDto> templateOption = findMessageTemplateById(id, orgId, em);
        if (templateOption.isNone())
            throw new NotFoundException();
        em.remove(templateOption.get());
        tx.commit();
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not delete message template '{}': {}", id, e.getMessage());
        if (tx.isActive())
            tx.rollback();
        throw new MailServiceException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

From source file:org.opencastproject.messages.MailService.java

public void deleteMessageSignature(Long id) throws MailServiceException, NotFoundException {
    EntityManager em = null;
    EntityTransaction tx = null;//ww  w.java 2s .co  m
    try {
        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();
        String orgId = securityService.getOrganization().getId();
        Option<MessageSignatureDto> signatureOption = findMessageSignatureById(id, orgId, em);
        if (signatureOption.isNone())
            throw new NotFoundException();
        em.remove(signatureOption.get());
        tx.commit();
    } catch (NotFoundException e) {
        throw e;
    } catch (Exception e) {
        logger.error("Could not delete message signature '{}': {}", id, e.getMessage());
        if (tx.isActive())
            tx.rollback();
        throw new MailServiceException(e);
    } finally {
        if (em != null)
            em.close();
    }
}

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

/**
 * Concrete implementation required for saving of digital files
 *//*from  w  w  w .  j a v a2  s . c om*/
@Override
public boolean checkAndPersist(Source source, PersistType pType, PrintWriter out) {
    EntityManager em = PersistenceUtil.getEntityManager();

    Source existingSource = this.getByUuid(source.getUuid().getUuid());
    if (existingSource != null) {
        if (pType == PersistType.ONLYNEW) {
            out.println(
                    "Warning: source data set with this uuid already exists in database; will ignore this data set");
            return false;
        }
    }

    EntityTransaction t = em.getTransaction();
    try {
        t.begin();
        if (existingSource != null && (pType == PersistType.MERGE)) {
            // delete first the existing one, we will use the new one
            if (out != null) {
                out.println(
                        "Notice: source data set with this uuid already exists in database; will merge this data set");
            }
            em.remove(existingSource);
            this.deleteDigitalFiles(source);
        }

        em.persist(source);

        t.commit();

        if (!super.setMostRecentVersionFlags(source.getUuidAsString())) {
            return false;
        }

        if (source != null && source.getId() != null) {
            if (!this.saveDigitalFiles(source, out)) {
                if (out != null) {
                    out.println(
                            "Warning: couldn't save all files of this source data set into database file directory: see messages above");
                }
            }
        }
        return true;

    } catch (Exception e) {
        if (out != null) {
            out.println("Can't save source data file to database because of: " + e.getMessage());
        }
        t.rollback();
        return false;
    }
}

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

/**
 * Delete's a client's subscription information. This is typically used for
 * server to server subscriptions/*from w w  w  .  j a v  a2s .  co  m*/
 * Administrative privilege required.
 * @param body
 * @throws DispositionReportFaultMessage
 * @throws RemoteException 
 */
public void deleteClientSubscriptionInfo(DeleteClientSubscriptionInfo body)
        throws DispositionReportFaultMessage, RemoteException {

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

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

        new ValidateClientSubscriptionInfo(publisher).validateDeleteClientSubscriptionInfo(em, body);

        List<String> entityKeyList = body.getSubscriptionKey();
        for (String entityKey : entityKeyList) {
            Object obj = em.find(org.apache.juddi.model.ClientSubscriptionInfo.class, entityKey);
            em.remove(obj);
        }

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

}

From source file:org.eclipse.smila.connectivity.deltaindexing.jpa.impl.DeltaIndexingManagerImpl.java

/**
 * {@inheritDoc}//w w w  . ja v  a  2s .c o m
 * 
 * @see org.eclipse.smila.connectivity.deltaindexing.DeltaIndexingManager#delete(String, Id)
 */
@Override
public void delete(final String sessionId, final ConnectivityId id)
        throws DeltaIndexingSessionException, DeltaIndexingException {
    if (id == null) {
        throw new DeltaIndexingException("parameter id is null");
    }
    _lock.readLock().lock();
    try {
        assertSession(sessionId, id.getDataSourceId());
        final EntityManager em = createEntityManager();
        try {
            final DeltaIndexingDao dao = findDeltaIndexingDao(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 DeltaIndexingException("error deleting id: " + id, e);
                }
            } else {
                if (_log.isDebugEnabled()) {
                    _log.debug("could not delete id: " + id + ". Id does not exist.");
                }
            }
        } finally {
            closeEntityManager(em);
        }
    } finally {
        _lock.readLock().unlock();
    }

}

From source file:com.espirit.moddev.examples.uxbridge.newsdrilldown.jpa.NewsHandler.java

/**
 * Deletes every item older than the creationTime of the UXBEntity.
 *
 * @param entity Entity containing the expireDate (= createTime of the entity)
 *//*from w ww.j a v  a  2s .c  o  m*/
public void cleanup(UXBEntity entity) throws Exception {

    EntityManager em = null;
    EntityTransaction tx = null;
    try {

        em = emf.createEntityManager();
        tx = em.getTransaction();
        tx.begin();

        // Remove old newsdrilldown
        Query query = em.createQuery(new StringBuilder()
                .append("SELECT x FROM news x WHERE x.lastmodified<:expiredate ").toString());
        query.setParameter("expiredate", entity.getCreateTime());

        if (!query.getResultList().isEmpty()) {
            for (Object obj : query.getResultList()) {
                News art = (News) obj;
                em.remove(art);
            }
        }

        // Remove old newsCategories
        query = em.createQuery(new StringBuilder()
                .append("SELECT x FROM category x WHERE x.lastmodified<:expiredate ").toString());
        query.setParameter("expiredate", entity.getCreateTime());

        if (!query.getResultList().isEmpty()) {
            for (Object obj : query.getResultList()) {
                NewsCategory art = (NewsCategory) obj;
                em.remove(art);
            }
        }

        // Remove old newsMetaCategories
        query = em.createQuery(new StringBuilder()
                .append("SELECT x FROM metaCategory x WHERE x.lastmodified<:expiredate ").toString());
        query.setParameter("expiredate", entity.getCreateTime());

        if (!query.getResultList().isEmpty()) {
            for (Object obj : query.getResultList()) {
                NewsMetaCategory art = (NewsMetaCategory) obj;
                em.remove(art);
            }
        }

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

From source file:portal.api.impl.PortalJpaController.java

public void deleteInstalledVxF(final InstalledVxF message) {
    EntityManager entityManager = entityManagerFactory.createEntityManager();

    EntityTransaction entityTransaction = entityManager.getTransaction();

    entityTransaction.begin();//  ww  w  .  j a v a2s.c o  m

    entityManager.remove(message);

    entityTransaction.commit();
}

From source file:org.rhq.enterprise.server.content.test.ContentUIManagerBeanEligiblePackagesTest.java

private void tearDownTestEnvironment() throws Exception {
    getTransactionManager().begin();/*from  w  w w . jav a  2  s. com*/
    EntityManager em = getEntityManager();

    try {
        try {
            Query q = em.createNamedQuery(RepoPackageVersion.DELETE_BY_REPO_ID);
            q.setParameter("repoId", repo1.getId());
            q.executeUpdate();

            q = em.createNamedQuery(ResourceRepo.DELETE_BY_RESOURCE_ID);
            q.setParameter("resourceId", resource.getId());
            q.executeUpdate();

            getTransactionManager().commit();
        } catch (Exception e) {
            e.printStackTrace();
            getTransactionManager().rollback();
            throw e;
        }
    } finally {
        em.close();
    }

    getTransactionManager().begin();
    em = getEntityManager();

    try {
        try {
            resource = em.find(Resource.class, resource.getId());
            for (InstalledPackage ip : resource.getInstalledPackages()) {
                em.remove(ip);
            }

            package1 = em.find(Package.class, package1.getId());
            em.remove(package1);

            package2 = em.find(Package.class, package2.getId());
            em.remove(package2);

            package3 = em.find(Package.class, package3.getId());
            em.remove(package3);

            package4 = em.find(Package.class, package4.getId());
            em.remove(package4);

            packageType1 = em.find(PackageType.class, packageType1.getId());
            em.remove(packageType1);

            ResourceTreeHelper.deleteResource(em, resource);

            repo1 = em.find(Repo.class, repo1.getId());
            em.remove(repo1);

            repo2 = em.find(Repo.class, repo2.getId());
            em.remove(repo2);

            productVersion1 = em.find(ProductVersion.class, productVersion1.getId());
            em.remove(productVersion1);

            productVersion2 = em.find(ProductVersion.class, productVersion2.getId());
            em.remove(productVersion2);

            resourceType = em.find(ResourceType.class, resourceType.getId());
            em.remove(resourceType);

            getTransactionManager().commit();
        } catch (Exception e) {
            e.printStackTrace();
            getTransactionManager().rollback();
            throw e;
        }
    } finally {
        em.close();
    }
}