Example usage for javax.persistence EntityManager refresh

Introduction

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

Prototype

public void refresh(Object entity);

Source Link

Document

Refresh the state of the instance from the database, overwriting changes made to the entity, if any.

Usage

From source file:org.jdal.dao.jpa.JpaUtils.java

/** 
 * Initialize entity attribute/*from w  w  w . j  a va2 s  . c  om*/
 * @param em
 * @param entity
 * @param a
 * @param depth
 */
@SuppressWarnings("rawtypes")
private static void intialize(EntityManager em, Object entity, Object attached, Attribute a, int depth) {
    Object value = PropertyAccessorFactory.forDirectFieldAccess(attached).getPropertyValue(a.getName());
    if (!em.getEntityManagerFactory().getPersistenceUnitUtil().isLoaded(value)) {
        em.refresh(value);
    }

    PropertyAccessorFactory.forDirectFieldAccess(entity).setPropertyValue(a.getName(), value);

    initialize(em, value, depth - 1);
}

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From source file:org.spc.ofp.tubs.domain.purseseine.TripRepository.java

public void save(final PurseSeineTrip trip) {
    final EntityManager mgr = emf.createEntityManager();
    final EntityTransaction xa = mgr.getTransaction();
    try {/*from www  .j  ava2 s  . com*/
        xa.begin();
        mgr.persist(trip);
        mgr.flush();
        xa.commit();
        mgr.refresh(trip);
    } catch (Exception ex) {
        if (xa.isActive()) {
            xa.rollback();
        }
    } finally {
        mgr.close();
    }
}

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From source file:fr.mby.opa.picsimpl.dao.DbPictureDao.java

@Override
public Picture updatePicture(final Picture picture) throws PictureNotFoundException {
    Assert.notNull(picture, "No Picture supplied !");
    Assert.notNull(picture.getId(), "Id should be set for update !");

    final TxCallbackReturn<Picture> txCallback = new TxCallbackReturn<Picture>(this.getEmf()) {

        @Override/*  w  ww  .  j a  v a 2  s . com*/
        protected Picture executeInTransaction(final EntityManager em) {
            final Picture updatedPicture = em.merge(picture);
            em.flush();
            em.refresh(updatedPicture);
            return updatedPicture;
        }
    };

    final Picture updatedPicture = txCallback.getReturnedValue();

    return updatedPicture;
}

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From source file:com.emc.plants.service.impl.LoginBean.java

/**
 * Update an existing user.//from w w  w  .jav a  2  s.c  o m
 *
 * @param customerID The customer ID.
 * @param firstName First name.
 * @param lastName Last name.
 * @param addr1 Address line 1.
 * @param addr2 Address line 2.
 * @param addrCity City address information.
 * @param addrState State address information.
 * @param addrZip Zip code address information.
 * @param phone User's phone number.
 * @return CustomerInfo
 */
public CustomerInfo updateUser(String customerID, String firstName, String lastName, String addr1, String addr2,
        String addrCity, String addrState, String addrZip, String phone) {
    CustomerInfo customerInfo = null;
    // TODO: lowp: no lock check is performed to see if cust data has changed since fetch!
    /*
     customerHome = (CustomerHome) Util.getEJBLocalHome("java:comp/env/ejb/Customer",
     com.ibm.websphere.samples.pbwjpa.CustomerHome.class);
             
     Customer customer = customerHome.findByPrimaryKeyUpdate(customerID);
     customer.update(firstName, lastName, addr1, addr2, addrCity, addrState, addrZip, phone);
     customerInfo = new CustomerInfo(customer);
     */
    EntityManager em = entityManagerFactory.createEntityManager();
    em.getTransaction().begin();
    Customer c = em.find(Customer.class, customerID);
    em.lock(c, LockModeType.WRITE);
    em.refresh(c);
    // TODO: lowp: test and set for update performance?
    c.setFirstName(firstName);
    c.setLastName(lastName);
    c.setAddr1(addr1);
    c.setAddr2(addr2);
    c.setAddrCity(addrCity);
    c.setAddrState(addrState);
    c.setAddrZip(addrZip);
    c.setPhone(phone);

    customerInfo = new CustomerInfo(c);
    em.getTransaction().commit();
    return customerInfo;
}

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

public final @NotNull M refreshModel(final EntityManager emParam, final @NotNull M model) {
    return txRun(emParam, new Function<EntityManager, M>() {
        public M apply(@com.google.common.base.Nullable @NotNull EntityManager em) {
            em.refresh(model);
            return model;
        }// w w w. j ava  2s.  c  o m
    });
}

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From source file:fr.mby.opa.picsimpl.dao.DbProposalDao.java

/**
 * @param proposalBag/* w w  w.  j a v  a  2  s.  c om*/
 * @return
 */
protected ProposalBag _updateProposalBagInternal(final ProposalBag proposalBag) {
    final TxCallbackReturn<ProposalBag> txCallback = new TxCallbackReturn<ProposalBag>(this.getEmf()) {

        @Override
        protected ProposalBag executeInTransaction(final EntityManager em) {
            final ProposalBag updatedBag = em.merge(proposalBag);
            em.flush();
            em.refresh(updatedBag);
            return updatedBag;
        }
    };

    final ProposalBag updatedBag = txCallback.getReturnedValue();
    return updatedBag;
}

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From source file:fr.mby.opa.picsimpl.dao.DbProposalDao.java

@Override
public ProposalBranch updateBranch(final ProposalBranch branch) {
    Assert.notNull(branch, "No ProposalBag supplied !");
    Assert.notNull(branch.getId(), "Id should be set for update !");

    final TxCallbackReturn<ProposalBranch> txCallback = new TxCallbackReturn<ProposalBranch>(this.getEmf()) {

        @Override/*from   w w  w .jav  a2s .  c  o m*/
        protected ProposalBranch executeInTransaction(final EntityManager em) {
            final ProposalBranch updatedBranch = em.merge(branch);
            em.flush();
            em.refresh(updatedBranch);
            return updatedBranch;
        }
    };

    final ProposalBranch updatedBag = txCallback.getReturnedValue();
    return updatedBag;
}

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From source file:com.chiralbehaviors.CoRE.access.resource.CollectionResource.java

@POST
@Path("{parentId}")
@Produces(MediaType.APPLICATION_JSON)/*from  ww w .  j  a v  a  2s .  c  om*/
public Product createNewProduct(@PathParam("parentId") String parentId, @QueryParam("relId") String relId,
        Product child) throws JsonProcessingException {
    return perform(new Transactionally<Product>() {

        @Override
        public Product exec(Model model) throws SQLException {
            EntityManager em = model.getEntityManager();
            Product parent = em.find(Product.class, parentId);
            Relationship rel = em.find(Relationship.class, relId);
            em.persist(child);
            ProductNetwork net = new ProductNetwork(parent, rel, child, parent.getUpdatedBy());
            em.persist(net);
            em.flush();
            em.refresh(child);
            return child;
        }
    });
}

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From source file:org.eclipse.jubula.client.ui.rcp.editors.CentralTestDataEditor.java

/**
 * update the param nodes which reference test data cube, e.g. because of
 * renaming of test data cube/*  w  w w .  ja v  a2  s  .c  om*/
 */
private void updateReferencedParamNodes() {
    Set<INodePO> nodesToRefresh = new HashSet<INodePO>();
    for (ITestDataCubePO tdc : getElementsToRefresh()) {
        nodesToRefresh.addAll(TestDataCubeBP.getReuser(tdc));
    }
    EntityManager masterSession = GeneralStorage.getInstance().getMasterSession();
    for (INodePO node : nodesToRefresh) {
        masterSession.refresh(node);
    }

    getElementsToRefresh().clear();
}

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From source file:org.eclipse.jubula.client.core.persistence.EditSupport.java

/**
 * because of Persistence (JPA / EclipseLink)-Bug HHH-1280 we can't use
 * refresh<br>/*from  www .  j  av  a 2  s  .  co m*/
 * therefore we use evict to remove the old object from master session and
 * reload the object<br>
 * please attend, that in this case the Java-IDs of the old and the reloaded
 * object are different<br>
 * refreshs the original versions, which were possibly modified in editor
 * 
 * @throws ProjectDeletedException
 *             if the project was deleted in another instance
 */
private void refreshOriginalVersions() throws ProjectDeletedException {
    try {
        final EntityManager masterSession = GeneralStorage.getInstance().getMasterSession();
        IPersistentObject original = getOriginal();
        if (original != null) {
            masterSession.refresh(original);
            GeneralStorage.getInstance().fireDataModified(original);
        }
    } catch (PersistenceException e) {
        log.error(Messages.RefreshOfOriginalVersionFailed + StringConstants.DOT, e);
        GeneralStorage.getInstance().reloadMasterSession(new NullProgressMonitor());
    }
}

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