Example usage for javax.persistence EntityTransaction begin

Introduction

In this page you can find the example usage for javax.persistence EntityTransaction begin.

Prototype

public void begin();

Source Link

Document

Start a resource transaction.

Usage

From source file:com.netflix.dse.pig2json.model.PersistTest.java

@Test
public void persistPlan() throws JsonParseException, JsonMappingException, IOException {
    ObjectMapper mapper = new ObjectMapper();
    P2jPlanPackage p = mapper.readValue(PersistTest.class.getResourceAsStream("/test.json"),
            P2jPlanPackage.class);

    EntityTransaction et = em.getTransaction();
    et.begin();
    em.persist(p);/*from   w  w  w. java2  s  .co m*/
    em.flush();
    et.commit();
    P2jPlanPackage p2 = em.find(P2jPlanPackage.class, p.getId());

    String j = mapper.writeValueAsString(p);
    String j2 = mapper.writeValueAsString(p2);
    Assert.assertEquals(j2, j);
}

From source file:modelo.DaoTiposActividadesImpl.java

@Transactional()

@Override/*from ww w. j a  v a2 s  . c o  m*/
public void guardarActividad(TipoActividad act) {

    EntityTransaction tx = em.getTransaction();
    tx.begin();
    em.persist(act);

    tx.commit();
    em.close();
}

From source file:com.netflix.dse.pig2json.model.PersistTest.java

@Test
public void persistStatus() throws JsonParseException, JsonMappingException, IOException {
    ObjectMapper mapper = new ObjectMapper();
    StringWriter writer = new StringWriter();
    IOUtils.copy(PersistTest.class.getResourceAsStream("/status.json"), writer, "UTF-8");
    P2jPlanStatus p = mapper.readValue(PersistTest.class.getResourceAsStream("/status.json"),
            P2jPlanStatus.class);

    EntityTransaction et = em.getTransaction();
    et.begin();
    em.persist(p);/*from   w w w . j  a v a  2  s.  c  o m*/
    em.flush();
    et.commit();
    P2jPlanStatus p2 = em.find(P2jPlanStatus.class, p.getId());

    String j = mapper.writeValueAsString(p);
    String j2 = mapper.writeValueAsString(p2);
    Assert.assertEquals(j2, j);
}

From source file:modelo.DaoTiposActividadesImpl.java

@Override
public void eliminarActividad(int idtipoActividad) {
    /* EntityManager em=this.obtenerEntityManager();
     Actividad act=em.find(Actividad.class,idactividades);
     EntityTransaction tx=em.getTransaction();
     tx.begin();/*w w  w. ja va 2  s. com*/
     em.remove(act);
     tx.commit();
     em.close();*/

    String jpql = "delete from Actividad act where act.idactividades=?1";

    Query q = em.createQuery(jpql);
    q.setParameter(1, idtipoActividad);
    EntityTransaction tx = em.getTransaction();
    tx.begin();
    q.executeUpdate();
    tx.commit();
    em.close();

}

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

public void update(final PurseSeineTrip trip) {
    final EntityManager mgr = emf.createEntityManager();
    final EntityTransaction xa = mgr.getTransaction();
    try {/*from ww w.jav  a2 s.  c o m*/
        xa.begin();
        mgr.merge(trip);
        xa.commit();
    } catch (Exception ex) {
        if (xa.isActive()) {
            xa.rollback();
        }
    } finally {
        mgr.close();
    }
}

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   w w  w . j a  v  a 2 s  .  c o m
        xa.begin();
        mgr.persist(trip);
        mgr.flush();
        xa.commit();
        mgr.refresh(trip);
    } catch (Exception ex) {
        if (xa.isActive()) {
            xa.rollback();
        }
    } finally {
        mgr.close();
    }
}

From source file:com.sixsq.slipstream.persistence.Run.java

public static Run abortOrReset(String abortMessage, String nodename, String uuid) {
    EntityManager em = PersistenceUtil.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();

    Run run = Run.abortOrReset(abortMessage, nodename, em, uuid);

    transaction.commit();//from w  w  w .  ja va 2s  .co m
    em.close();

    return run;
}

From source file:com.appdynamics.loan.persistence.BasePersistenceImpl.java

@Transactional
public void delete(Serializable object) {
    EntityManager entityManager = getEntityManager();
    EntityTransaction txn = entityManager.getTransaction();
    txn.begin();
    try {// w  ww . j a  va2s  .com
        entityManager.remove(object);
    } catch (Exception ex) {
        txn.rollback();
    } finally {
        if (!txn.getRollbackOnly()) {
            txn.commit();
        }
    }
}

From source file:com.sixsq.slipstream.persistence.Run.java

public static Run updateRunState(Run run, States newState, boolean retry) {
    EntityManager em = PersistenceUtil.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();
    try {/*from  w ww.j  ava 2 s  .  com*/
        run = Run.loadFromUuid(run.getUuid(), em);
        run.setState(newState);
        transaction.commit();
        em.close();
    } catch (Exception e) {
        String error = "error setting run state: " + newState;
        if (retry) {
            Logger.getLogger("restlet").warning(error + " retrying...");
        } else {
            Logger.getLogger("restlet").severe(error);
        }
        // retry once
        if (retry) {
            updateRunState(run, newState, false);
        }
    }
    return run;
}

From source file:com.appdynamics.loan.persistence.BasePersistenceImpl.java

/**
 * The method to update the serailizable business objects into the database.
 * //w w  w.  j  a v a  2 s  .c o  m
 * @param object --
 *            serializable object
 * @throws PersistenceException
 */
@Transactional
public void update(final Serializable object) {
    EntityManager entityManager = getEntityManager();
    EntityTransaction txn = entityManager.getTransaction();
    txn.begin();
    try {
        entityManager.merge(object);
    } catch (Exception ex) {
        txn.rollback();
    } finally {
        if (!txn.getRollbackOnly()) {
            txn.commit();
        }
    }
}