Example usage for javax.persistence EntityManager persist

List of usage examples for javax.persistence EntityManager persist

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Introduction

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

Prototype

public void persist(Object entity);

Source Link

Document

Make an instance managed and persistent.

Usage

From source file:org.eclipse.smila.binarystorage.persistence.jpa.JPABinaryPersistence.java

/**
 * Stores the given BinaryStorageDao, updating an existing one or creating a new one.
 *
 * @param dao//ww  w. j  a va 2  s .c  o m
 *          the BinaryStorageDao to store
 * @throws BinaryStorageException
 *           if any error occurs
 */
// TODO: don't know if this synchronize is good, was needed to pass the JUNit test TestConcurrentBSSAccessJPA
private synchronized void store(final BinaryStorageDao dao) throws BinaryStorageException {
    _lock.readLock().lock();
    try {
        final EntityManager em = createEntityManager();
        final EntityTransaction transaction = em.getTransaction();
        try {
            transaction.begin();
            if (findBinaryStorageDao(em, dao.getId()) == null) {
                em.persist(dao);
            } else {
                em.merge(dao);
            }
            transaction.commit();
            if (_log.isTraceEnabled()) {
                _log.trace("stored content of id:" + dao.getId());
            }
        } catch (final Exception e) {
            if (transaction.isActive()) {
                transaction.rollback();
            }
            throw new BinaryStorageException(e, "error storing record id: " + dao.getId());
        } finally {
            closeEntityManager(em);
        }
    } finally {
        _lock.readLock().unlock();
    }
}

From source file:com.chiralbehaviors.CoRE.event.status.StatusCode.java

@Override
public void link(Relationship r, StatusCode child, Agency updatedBy, Agency inverseSoftware, EntityManager em) {
    assert r != null : "Relationship cannot be null";
    assert child != null;
    assert updatedBy != null;
    assert em != null;

    StatusCodeNetwork link = new StatusCodeNetwork(this, r, child, updatedBy);
    em.persist(link);
    StatusCodeNetwork inverse = new StatusCodeNetwork(child, r.getInverse(), this, inverseSoftware);
    em.persist(inverse);//w  w w .j  a  v  a  2  s .c  o  m
}

From source file:nl.b3p.kaartenbalie.core.server.accounting.AccountManager.java

/**
 * //from   www . j a  v  a  2s.  com
 * @param transactionClass
 * @param description
 * @return
 * @throws java.lang.Exception
 */
public Transaction prepareTransaction(int type, String description) throws Exception {
    if (!isEnableAccounting()) {
        return null;
    }
    log.debug("Getting entity manager ......");
    EntityManager em = MyEMFDatabase.getEntityManager(MyEMFDatabase.MAIN_EM);
    Account account = (Account) em.find(Account.class, organizationId);

    Transaction transaction = new Transaction();
    transaction.setType(type);
    transaction.setStatus(Transaction.PENDING);
    transaction.setAccount(account);
    transaction.setDescription(description);
    em.persist(transaction);
    em.flush();

    return transaction;
}

From source file:uk.ac.horizon.ug.locationbasedgame.author.CRUDServlet.java

/** Create on POST.
 * E.g. curl -d '{...}' http://localhost:8888/author/configuration/
 * @param req/*from  w  w  w . j a  v  a2 s .  c om*/
 * @param resp
 * @throws ServletException
 * @throws IOException
 */
private void doCreate(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    // TODO Auto-generated method stub
    try {
        Object o = parseObject(req);
        Key key = validateCreate(o);
        // try adding
        EntityManager em = EMF.get().createEntityManager();
        EntityTransaction et = em.getTransaction();
        try {
            et.begin();
            if (em.find(getObjectClass(), key) != null)
                throw new RequestException(HttpServletResponse.SC_CONFLICT,
                        "object already exists (" + key + ")");
            em.persist(o);
            et.commit();
            logger.info("Added " + o);
        } finally {
            if (et.isActive())
                et.rollback();
            em.close();
        }
        resp.setCharacterEncoding(ENCODING);
        resp.setContentType(JSON_MIME_TYPE);
        Writer w = new OutputStreamWriter(resp.getOutputStream(), ENCODING);
        JSONWriter jw = new JSONWriter(w);
        listObject(jw, o);
        w.close();
    } catch (RequestException e) {
        resp.sendError(e.getErrorCode(), e.getMessage());
    } catch (Exception e) {
        logger.log(Level.WARNING, "Getting object of type " + getObjectClass(), e);
        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
        return;
    }
}

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

public void create(Persona persona/*, Contratado contratado, Tesista tesista, Pasante pasante*/)
        throws Exception {
    EntityManager em = null;

    try {//from  w w w  .  j  a v a2  s . c om
        em = getEntityManager();
        em.getTransaction().begin();
        em.persist(persona);
        /*            
                    if (contratado != null) {
        contratado.setId(persona.getId());
        em.persist(contratado);
                    }
                    if (tesista != null) {
        tesista.setId(persona.getId());
        em.persist(tesista);
                    }
                    if (pasante != null) {
        pasante.setId(persona.getId());
        em.persist(pasante);
                    }
          */
        for (PersonaTitulo personaTitulo : persona.getPersonaTitulosCollection()) {
            personaTitulo.setPersona(persona);
            Titulo titulo = personaTitulo.getTitulo();
            if (titulo.getId() == null || titulo.getId() < 0) {
                titulo.setId(null);
                em.persist(titulo);
            }

            if (personaTitulo.getUniversidad().getId() == null || personaTitulo.getUniversidad().getId() < 0) {
                personaTitulo.getUniversidad().setId(null);
                em.persist(personaTitulo.getUniversidad());
            }

            if (personaTitulo.getId() == null || personaTitulo.getId() < 0) {
                personaTitulo.setId(null);
                em.persist(personaTitulo);
            }
        }
        /*for (PersonaFirma personaFirma : persona.getPersonaFirmasCollection()) {
        personaFirma.setPersona(persona);
        Firma firma = personaFirma.getFirma();                
        if (firma.getId() == null || firma.getId() < 0) {
            firma.setId(null);
            em.persist(firma);
        }
        if (personaFirma.getId() == null || personaFirma.getId() < 0) {
            personaFirma.setId(null);
            em.persist(personaFirma);
        }
        }*/
        guardarPersonaFirma(em, persona);

        em.getTransaction().commit();
    } finally {
        if (em != null) {
            em.close();
        }
    }
}

From source file:in.bookmylab.jpa.JpaDAO.java

public User saveUser(User user, boolean savePassword) {
    EntityManager em = emf.createEntityManager();
    try {// ww  w . j  a  v a2s .  c o  m
        user.password = Utils.hashPassword(user.password);
        em.getTransaction().begin();
        if (user.userId == null) {
            grantDefaultRoleToUser(em, user);
            em.persist(user);
        } else {
            user = em.merge(user);
            if (savePassword) {
                Query q = em.createNamedQuery("User.setPassword");
                q.setParameter("password", user.password);
                q.setParameter("userId", user.userId);
                q.executeUpdate();
            }
        }
        em.getTransaction().commit();
    } finally {
        em.clear();
        em.close();
    }
    return user;
}

From source file:org.eclipse.smila.recordstorage.impl.RecordStorageImpl.java

/**
 * {@inheritDoc}/*from   www .  j ava2 s.co  m*/
 */
@Override
public void storeRecord(final Record record) throws RecordStorageException {
    if (record == null) {
        throw new RecordStorageException("parameter record is null");
    }
    _lock.readLock().lock();
    try {
        final EntityManager em = createEntityManager();
        final EntityTransaction transaction = em.getTransaction();
        try {
            final RecordDao dao = new RecordDao(record);
            transaction.begin();
            if (findRecordDao(em, record.getId()) == null) {
                em.persist(dao);
            } else {
                em.merge(dao);
            }
            transaction.commit();
            if (_log.isTraceEnabled()) {
                _log.trace("stored record Id:" + record.getId());
            }
        } catch (final Exception e) {
            if (transaction.isActive()) {
                transaction.rollback();
            }
            throw new RecordStorageException(e, "error storing record id: " + record.getId());
        } finally {
            closeEntityManager(em);
        }
    } finally {
        _lock.readLock().unlock();
    }
}

From source file:uk.ac.edukapp.service.UserAccountService.java

public Useraccount registerNewUser(String username, String email, String password, String realname)
        throws Exception {
    EntityManager em = getEntityManagerFactory().createEntityManager();

    em.getTransaction().begin();//from w w w. ja v  a2  s  . co m

    Useraccount user = new Useraccount();
    user.setUsername(username);
    user.setEmail(email);

    UUID token = UUID.randomUUID();
    String salt = token.toString();
    String hashedPassword = MD5Util.md5Hex(salt + password);
    user.setPassword(hashedPassword);
    user.setSalt(salt);
    user.setToken("03");
    em.persist(user);
    log.info("User created with id: " + user.getId());
    Accountinfo info = new Accountinfo();
    info.setId(user.getId());
    info.setRealname(realname);
    info.setJoined(new Timestamp(new Date().getTime()));
    em.persist(info);
    //LtiProvider lti = new LtiProvider(user);
    //em.persist(lti);

    em.getTransaction().commit();
    em.close();

    ActivityService as = new ActivityService(ctx);
    as.addUserActivity(user.getId(), "joined", 0);

    return user;
}

From source file:org.apache.falcon.jdbc.MonitoringJdbcStateStore.java

public void putSLAAlertInstance(String feedName, String cluster, Date nominalTime, Boolean isSLALowMissed,
        Boolean isSLAHighMissed) {
    EntityManager entityManager = getEntityManager();
    FeedSLAAlertBean feedSLAAlertBean = new FeedSLAAlertBean();
    feedSLAAlertBean.setFeedName(feedName);
    feedSLAAlertBean.setClusterName(cluster);
    feedSLAAlertBean.setNominalTime(nominalTime);
    feedSLAAlertBean.setIsSLALowMissed(isSLALowMissed);
    feedSLAAlertBean.setIsSLAHighMissed(isSLAHighMissed);
    try {//from ww  w.j  av a  2  s.  com
        beginTransaction(entityManager);
        entityManager.persist(feedSLAAlertBean);
    } finally {
        commitAndCloseTransaction(entityManager);
    }
}

From source file:com.chiralbehaviors.CoRE.network.Relationship.java

@Override
public void link(Relationship r, Relationship child, Agency updatedBy, Agency inverseSoftware,
        EntityManager em) {
    assert r != null : "Relationship cannot be null";
    assert child != null;
    assert updatedBy != null;
    assert em != null;

    RelationshipNetwork link = new RelationshipNetwork(this, r, child, updatedBy);
    em.persist(link);
    RelationshipNetwork inverse = new RelationshipNetwork(child, r.getInverse(), this, inverseSoftware);
    em.persist(inverse);//from  w w  w  . j  a v a2s. c o  m
}