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.google.constructor.cip.orm.jpa.BaseJPAService.java

public void delete(PK pk) {
    Validate.notNull(pk, "Null pk parameter");
    EntityTransaction tx = getEntityManager().getTransaction();
    tx.begin();
    getEntityManager().remove(find(pk));
    tx.commit();//from w  w w  .  ja v  a  2s  .  co m
}

From source file:com.google.constructor.cip.orm.jpa.BaseJPAService.java

public void delete(T entity) {
    Validate.notNull(entity, "Null Entity parameter");
    EntityTransaction tx = getEntityManager().getTransaction();
    tx.begin();
    getEntityManager().remove(entity);/*  w w w  .j a  va2s.  c  o m*/
    tx.commit();
}

From source file:com.google.constructor.cip.orm.jpa.BaseJPAService.java

public void insert(Collection<T> entities) {
    EntityTransaction tx = getEntityManager().getTransaction();
    tx.begin();
    for (T entity : entities) {
        getEntityManager().persist(entity);
    }/*  w w w.  ja  v  a2 s .  c  o m*/
    tx.commit();
}

From source file:com.google.constructor.cip.orm.jpa.BaseJPAService.java

public void update(Collection<T> entities) {
    EntityTransaction tx = getEntityManager().getTransaction();
    tx.begin();
    for (T entity : entities) {
        getEntityManager().merge(entity);
    }//ww  w  .  j av a 2s. co  m
    tx.commit();
}

From source file:com.google.constructor.cip.orm.jpa.BaseJPAService.java

public void delete(Collection<T> entities) {
    EntityTransaction tx = getEntityManager().getTransaction();
    tx.begin();
    for (T entity : entities) {
        getEntityManager().remove(entity);
    }/* w ww  .  ja v  a  2s. co m*/
    tx.commit();
}

From source file:org.apache.openjpa.persistence.event.TestBeforeCommit.java

public void testQuery() {
    OpenJPAEntityManagerSPI em = (OpenJPAEntityManagerSPI) emf.createEntityManager();
    em.addTransactionListener(this);
    EntityTransaction tran = em.getTransaction();

    tran.begin();
    ae = doQuery(em);/*  www .  j av a2s  . c  o  m*/
    if (dict instanceof OracleDictionary) {
        assertNull(ae.getName());
    } else if (dict instanceof SybaseDictionary) {
        // Sybase converts empty strings to " " 
        assertEquals(" ", ae.getName());
    } else {
        assertEquals("", ae.getName());
    }
    assertEquals(1, ae.getVersion());
    tran.commit();

    ae = doQuery(em);
    assertEquals("Ava", ae.getName());
    assertEquals(2, ae.getVersion());

    em.clear();
    ae = em.find(AnEntity.class, PKID);
    assertEquals("Ava", ae.getName());
    assertEquals(2, ae.getVersion());

    tran.begin();
    tran.commit();
    em.clear();
    ae = em.find(AnEntity.class, PKID);
    assertEquals("AvaAva", ae.getName());
    assertEquals(3, ae.getVersion());

    em.close();
}

From source file:com.sdl.odata.datasource.jpa.JPADataSource.java

@Override
public void delete(ODataUri uri, EntityDataModel entityDataModel) throws ODataException {
    Option<Object> entity = extractEntityWithKeys(uri, entityDataModel);

    if (entity.isDefined()) {
        Object jpaEntity = entityMapper.convertODataEntityToDS(entity.get(), entityDataModel);
        if (jpaEntity != null) {
            EntityManager entityManager = getEntityManager();
            EntityTransaction transaction = entityManager.getTransaction();
            try {
                transaction.begin();

                Object attached = entityManager.merge(jpaEntity);
                entityManager.remove(attached);
            } catch (PersistenceException e) {
                LOG.error("Could not remove entity: {}", entity);
                throw new ODataDataSourceException("Could not remove entity", e);
            } finally {
                if (transaction.isActive()) {
                    transaction.commit();
                } else {
                    transaction.rollback();
                }//w  w  w .j  ava  2  s .  c o m
            }
        } else {
            throw new ODataDataSourceException("Could not remove entity, could not be loaded");
        }
    }
}

From source file:facades.PersonFacadeDB.java

@Override
public Person delete(Integer id) throws NotFoundException {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceFileName);
    EntityManager em = emf.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();

    Person p = em.find(Person.class, id);

    if (p == null) {
        transaction.rollback();/*from  w ww.  ja v a 2  s .  co m*/
        throw new NotFoundException("No person for the given id");
    } else {
        em.remove(p);
        transaction.commit();
    }

    return p;
}

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

/**
 * /*from   w w w . j a va 2s.  com*/
 * @param em
 *            entity manager
 * @throws PersistenceException
 *             if we blow up
 */
private static void createOrUpdateDBGuard(EntityManager em) throws PersistenceException {
    EntityTransaction tx = null;
    try {
        tx = em.getTransaction();
        tx.begin();

        try {
            em.createQuery("select guard from DbGuardPO as guard").getSingleResult(); //$NON-NLS-1$
        } catch (NoResultException nre) {
            LockManager.initDbGuard(em);
        }

        tx.commit();
    } catch (PersistenceException pe) {
        if (tx != null) {
            tx.rollback();
        }
        throw pe;
    }
}

From source file:facades.PersonFacadeDB.java

@Override
public Person addPerson(String json) {
    //make person from Json
    Person p = gson.fromJson(json, Person.class);

    EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceFileName);
    EntityManager em = emf.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();

    try {//from ww w  . j  a  v  a  2  s . c  om
        em.persist(p);
        transaction.commit();
    } catch (Exception e) {
        transaction.rollback();
    } finally {
        em.close();
    }
    return p;
}