Example usage for javax.persistence EntityManager getTransaction

Introduction

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

Prototype

public EntityTransaction getTransaction();

Source Link

Document

Return the resource-level EntityTransaction object.

Usage

From source file:vn.edu.vnuk.tasks_jpa.dao.TaskDao.java

public void delete(Long id) throws SQLException {

    Task task = this.read(id);

    EntityManager manager = getEntityManager();
    manager.getTransaction().begin();
    task = manager.merge(task);/* w w w.  j  a va  2  s . com*/
    manager.remove(task);
    manager.getTransaction().commit();
    manager.close();

}

From source file:com.romb.hashfon.helper.Helper.java

public void persistObject(EntityManager em, Object o) {
    em.getTransaction().begin();
    em.persist(o);
    em.getTransaction().commit();
}

From source file:com.romb.hashfon.helper.Helper.java

public void mergeObject(EntityManager em, Object o) {
    em.getTransaction().begin();
    em.merge(o);
    em.getTransaction().commit();
}

From source file:com.romb.hashfon.helper.Helper.java

public void removeObject(EntityManager em, Object o, Long id) {
    em.getTransaction().begin();
    em.remove(o);
    em.getTransaction().commit();
}

From source file:cz.fi.muni.pa165.daoImpl.TroopDAOImpl.java

@Override
public List<Troop> getAllTroops() {
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    List<Troop> troops = em.createQuery("SELECT t FROM Troop t", Troop.class).getResultList();
    em.getTransaction().commit();/*from  w w  w.  j  ava2 s  .c  o m*/
    em.close();
    return troops;
}

From source file:eu.clarin.cmdi.virtualcollectionregistry.VirtualCollectionRegistryReferenceCheckImpl.java

@Override
public void perform(long now) {
    logger.debug("{}", name);
    EntityManager em = datastore.getEntityManager();
    try {//  w w w . j a v a 2  s . co  m
        em.getTransaction().begin();
        TypedQuery<VirtualCollection> q = em.createNamedQuery("VirtualCollection.findAllPublic",
                VirtualCollection.class);
        q.setLockMode(LockModeType.PESSIMISTIC_WRITE);
        for (VirtualCollection vc : q.getResultList()) {
            checkValidityOfReferences(vc);
        }
        em.getTransaction().commit();
    } catch (RuntimeException e) {
        logger.error("unexpected error while doing " + name, e);
    } finally {
        datastore.closeEntityManager();
    }
}

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  w  ww.j av 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:cz.fi.muni.pa165.daoImpl.TroopDAOImpl.java

@Override
public Troop getTroop(Long id) throws IllegalArgumentException {
    if (id == null) {
        throw new IllegalArgumentException("getTroop called with null");
    }/*from  w w w  . j  a  v a 2 s  .c om*/
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    Troop troop = em.find(Troop.class, id);
    em.getTransaction().commit();
    em.close();
    return troop;
}

From source file:cz.fi.muni.pa165.daoImpl.TroopDAOImpl.java

@Override
public void updateTroop(Troop troop) throws IllegalArgumentException {
    if (troop == null || troop.getName() == null || troop.getMission() == null
            || troop.getAmountOfMoney() == null) {
        throw new IllegalArgumentException("Update troop called with wrong param");
    }/*from  w  w w  .j av a  2 s.  co  m*/
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    em.merge(troop);
    em.getTransaction().commit();
    em.close();
}

From source file:cz.fi.muni.pa165.daoImpl.TroopDAOImpl.java

@Override
public List<Troop> findTroopByName(String name) throws IllegalArgumentException {
    List<Troop> troop;/* ww  w.jav  a2 s  . co m*/
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    troop = em.createQuery("SELECT t FROM Troop t WHERE t.name = :name").setParameter("name", name)
            .getResultList();
    //query.setParameter("name", name);
    em.getTransaction().commit();
    em.close();
    return troop;
}