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:org.apache.juddi.v3.auth.jboss.JBossAuthenticator.java

public UddiEntityPublisher identify(String authInfo, String authorizedName) throws AuthenticationException {
    EntityManager em = PersistenceManager.getEntityManager();
    EntityTransaction tx = em.getTransaction();
    Publisher publisher = null;/*from   www.ja  va 2 s.co m*/
    try {
        tx.begin();
        publisher = em.find(Publisher.class, authorizedName);
        if (publisher == null)
            throw new UnknownUserException(new ErrorMessage("errors.auth.NoPublisher", authorizedName));

        AuthToken at = em.find(AuthToken.class, authInfo);
        if (at == null)
            throw new AuthTokenRequiredException(new ErrorMessage("E_authTokenRequired", authInfo));
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
    return publisher;
}

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

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

        try {
            DBVersionPO version = (DBVersionPO) em.createQuery("select version from DBVersionPO as version") //$NON-NLS-1$
                    .getSingleResult();
            version.setMajorVersion(IVersion.JB_DB_MAJOR_VERSION);
            version.setMinorVersion(IVersion.JB_DB_MINOR_VERSION);
            em.merge(version);
        } catch (NoResultException nre) {
            em.merge(new DBVersionPO(IVersion.JB_DB_MAJOR_VERSION, IVersion.JB_DB_MINOR_VERSION));
        }

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

From source file:facades.PersonFacadeDB.java

@Override
public String getPerson(Integer id) throws NotFoundException {
    String result = "";
    //get person with this id from DB
    EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceFileName);
    EntityManager em = emf.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();
    try {//from  w w  w.  j  av  a  2s  .c  o m
        Person p = em.find(Person.class, id);

        result = om.writeValueAsString(p);
        //            Query query = em.createNamedQuery("Person.findById").setParameter("id", id);
        //            List<Person> people = query.getResultList();

        //result = gson.toJson(people.get(0));
        //result = om.writeValueAsString(people.get(0));
    } catch (Exception e) {
        throw new NotFoundException("No person exists for the given id");
    } finally {
        em.close();
    }
    return result;
}

From source file:facades.PersonFacadeDB.java

@Override
public String getPersons() {

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

    try {/* w  ww  .j a  v a2  s  . co  m*/
        Query query = em.createNamedQuery("Person.findAll");
        List<Person> people = query.getResultList();

        try {
            result = om.writeValueAsString(people);
        } catch (JsonProcessingException ex) {
            Logger.getLogger(PersonFacadeDB.class.getName()).log(Level.SEVERE, null, ex);
        }

    } finally {
        em.close();
    }
    return result;
}

From source file:info.san.books.app.model.listener.LivreListener.java

@EventHandler
public void handle(LivreDeletedEvent e) {
    EntityManager em = Persistence.getInstance().createEntityManager();

    EntityTransaction t = em.getTransaction();

    t.begin();

    LivreEntry entry = em.getReference(LivreEntry.class, e.getIsbn());
    em.remove(entry);//www  . j  a v  a2s.  co m

    t.commit();
}

From source file:it.infn.ct.futuregateway.apiserver.v1.ApplicationCollectionService.java

/**
 * Retrieve the application list.//from   www . j  a v  a2  s .  co  m
 * The fields not requested for the list are cleaned.
 * @return The list of applications
 */
private List<Application> retrieveApplicationList() {
    List<Application> lstApps;
    EntityManager em = getEntityManager();
    EntityTransaction et = null;
    try {
        et = em.getTransaction();
        et.begin();
        lstApps = em.createNamedQuery("applications.all", Application.class).getResultList();
        et.commit();
    } catch (RuntimeException re) {
        if (et != null && et.isActive()) {
            et.rollback();
        }
        log.error("Impossible to retrieve the Application list");
        log.error(re);
        throw new RuntimeException("Impossible to access the " + "application list");
    } finally {
        em.close();
    }
    if (lstApps != null) {
        for (Application ap : lstApps) {
            ap.setDescription(null);
            ap.setParameters(null);
        }
    }
    return lstApps;
}

From source file:info.san.books.app.model.listener.LivreListener.java

@EventHandler
public void handle(LivreAssignedAuteurEvent e) {
    EntityManager em = Persistence.getInstance().createEntityManager();

    EntityTransaction t = em.getTransaction();

    t.begin();

    LivreEntry livre = em.find(LivreEntry.class, e.getIsbn());
    AuteurEntry auteur = em.find(AuteurEntry.class, e.getAuteurId());

    livre.getAuteurs().add(auteur);//from  ww w. j  a  va2s  .c  o  m
    auteur.getLivres().add(livre);

    t.commit();
}

From source file:info.san.books.app.model.listener.LivreListener.java

@EventHandler
public void handle(LivreUnassignedAuteurEvent e) {
    EntityManager em = Persistence.getInstance().createEntityManager();

    EntityTransaction t = em.getTransaction();

    t.begin();

    LivreEntry livre = em.find(LivreEntry.class, e.getIsbn());
    AuteurEntry auteur = em.find(AuteurEntry.class, e.getAuteurId());

    livre.getAuteurs().remove(auteur);/*from w w w  .j  ava 2 s.  c  om*/
    auteur.getLivres().remove(livre);

    t.commit();
}

From source file:org.nuxeo.ecm.core.persistence.PersistenceProvider.java

protected void doBegin(EntityManager em) {
    EntityTransaction et = getTransaction(em);
    if (et != null) {
        et.begin();
    }
}

From source file:it.infn.ct.futuregateway.apiserver.v1.ApplicationCollectionService.java

/**
 * Register a new application.//from   w w  w.j  a v a  2s .  c o m
 *
 * @param application The application to register
 * @return The registered application
 */
@POST
@Status(Response.Status.CREATED)
@Consumes({ MediaType.APPLICATION_JSON, Constants.INDIGOMIMETYPE })
@Produces(Constants.INDIGOMIMETYPE)
public final Application createApplication(final Application application) {
    if (application.getInfrastructureIds() == null || application.getInfrastructureIds().isEmpty()) {
        throw new BadRequestException();
    }
    Date now = new Date();
    application.setDateCreated(now);
    EntityManager em = getEntityManager();
    EntityTransaction et = null;
    try {
        et = em.getTransaction();
        et.begin();
        List<Infrastructure> lstInfra = new LinkedList<>();
        for (String infraId : application.getInfrastructureIds()) {
            Infrastructure infra = em.find(Infrastructure.class, infraId);
            if (infra == null) {
                throw new BadRequestException();
            }
            lstInfra.add(infra);
        }
        application.setInfrastructures(lstInfra);
        em.persist(application);
        et.commit();
        log.debug("New application registered: " + application.getId());
    } catch (BadRequestException re) {
        throw re;
    } catch (RuntimeException re) {
        log.error("Impossible to create the application");
        log.error(re);
        throw re;
    } finally {
        if (et != null && et.isActive()) {
            et.rollback();
        }
        em.close();
    }
    return application;
}