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:it.infn.ct.futuregateway.apiserver.v1.ApplicationCollectionService.java

/**
 * Register a new application.// w  w w .j  a va 2  s  . 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;
}

From source file:nl.b3p.viewer.admin.stripes.CycloramaConfigurationActionBean.java

public Resolution removeKey() {
    EntityManager em = Stripersist.getEntityManager();
    em.remove(account);//from   www  .j av  a2s .  c  o m
    em.getTransaction().commit();
    account = new CycloramaAccount();
    this.context.getMessages().add(
            new SimpleMessage(getBundle().getString("viewer_admin.cycloramaconfigurationactionbean.keyrem")));
    return view();
}

From source file:com.epam.training.taranovski.web.project.repository.implementation.EmployerRepositoryImplementation.java

@Override
public List<Vacancy> getActiveVacancys(Employer employer) {
    EntityManager em = entityManagerFactory.createEntityManager();
    List<Vacancy> list = new LinkedList<>();
    try {//  w  w w. ja  va2s  .c om
        em.getTransaction().begin();

        TypedQuery<Vacancy> query = em.createNamedQuery("Vacancy.findActiveByEmployer", Vacancy.class);
        query.setParameter("employer", employer);
        list = query.getResultList();

        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(BasicSkillRepositoryImplementation.class.getName()).info(e);

    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return list;
}

From source file:de.zib.gndms.infra.tests.FileTransferActionTest.java

@Test(groups = { "net", "db", "sys", "action", "task" })
public void testIt() throws ResourceException, ExecutionException, InterruptedException {

    EntityManager em = null;
    try {/*w w  w.  jav  a2  s.c om*/
        em = getSys().getEntityManagerFactory().createEntityManager();
        em.getTransaction().begin();
        em.persist(task);
        em.getTransaction().commit();
        FileTransferTaskAction action = new FileTransferTaskAction(em, task);
        Future<AbstractTask> serializableFuture = getSys().submitAction(action, log);
        assert serializableFuture.get().getState().equals(TaskState.FINISHED);
        FileTransferResult ftr = (FileTransferResult) task.getData();
        for (String s : Arrays.asList(ftr.getFiles()))
            System.out.println(s);

    } finally {
        if (em != null && em.isOpen())
            em.close();
    }
}

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

/**
 * Register a new task.//from   ww  w.j a  v a2s .  co  m
 *
 * @param task The task to register
 * @return The task registered
 */
@POST
@Status(Response.Status.CREATED)
@Consumes({ MediaType.APPLICATION_JSON, Constants.INDIGOMIMETYPE })
@Produces(Constants.INDIGOMIMETYPE)
public final Task createTask(final Task task) {
    if (task.getApplicationId() == null) {
        throw new BadRequestException("A valid application for the task" + " must be provided");
    }
    task.addObserver(new TaskObserver(getEntityManagerFactory(), getSubmissionThreadPool()));
    task.setDateCreated(new Date());
    task.setUserName(getUser());
    task.setStatus(Task.STATUS.WAITING);
    EntityManager em = getEntityManager();
    EntityTransaction et = null;
    try {
        et = em.getTransaction();
        et.begin();
        Application app = em.find(Application.class, task.getApplicationId());
        if (app == null) {
            throw new BadRequestException("Application id not valid");
        }
        task.setApplicationDetail(app);
        em.persist(task);
        et.commit();
        log.debug("New task registered: " + task.getId());
    } catch (BadRequestException bre) {
        throw bre;
    } catch (RuntimeException re) {
        log.error("Impossible to create a task");
        log.debug(re);
        throw re;
    } finally {
        if (et != null && et.isActive()) {
            et.rollback();
        }
        em.close();
    }
    return task;
}

From source file:com.epam.training.taranovski.web.project.repository.implementation.CheckDocumentRepositoryImplementation.java

@Override
public CheckDocument findByEmployee(Employee employee) {
    EntityManager em = entityManagerFactory.createEntityManager();

    CheckDocument checkDocument = null;/*w ww. ja va 2  s .co m*/
    try {
        em.getTransaction().begin();

        TypedQuery<CheckDocument> query = em.createNamedQuery("CheckDocument.findByEmployee",
                CheckDocument.class);
        query.setParameter("employee", employee);
        checkDocument = query.getSingleResult();

        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(BasicSkillRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return checkDocument;
}

From source file:com.epam.training.taranovski.web.project.repository.implementation.CheckDocumentRepositoryImplementation.java

@Override
public CheckDocument findByVacancy(Vacancy vacancy) {
    EntityManager em = entityManagerFactory.createEntityManager();

    CheckDocument checkDocument = null;/* w  ww . ja  v a2  s.c o  m*/
    try {
        em.getTransaction().begin();

        TypedQuery<CheckDocument> query = em.createNamedQuery("CheckDocument.findByVacancy",
                CheckDocument.class);
        query.setParameter("vacancy", vacancy);
        checkDocument = query.getSingleResult();

        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(BasicSkillRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return checkDocument;
}

From source file:com.github.jrh3k5.membership.renewal.mailer.service.jpa.JpaMembershipService.java

private void updateMembership(EntityManager entityManager, JpaMembershipRecord membership) {
    final EntityTransaction transaction = entityManager.getTransaction();
    try {/*w w  w .  ja v  a 2  s. c o  m*/
        transaction.begin();
        entityManager.merge(membership);
        transaction.commit();
    } catch (RuntimeException e) {
        transaction.rollback();
        throw e;
    }
}

From source file:ejb.bean.UsuarioDAOJPAImplBean.java

/**Mtodo para a remoo de usurio.
 * @author Richel Sensineli/*from  www  . j  av  a 2s.c om*/
 * @param id int - ID do usurio
 * @throws UsuarioNaoEncontradoException - usurio no encontrado
 */
@Override
public void removeUsuario(final int id) throws UsuarioNaoEncontradoException {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("UsuarioPU");
    EntityManager em = emf.createEntityManager();

    Usuario u = em.find(UsuarioImpl.class, id);

    em.getTransaction().begin();
    if (u == null) {
        throw new UsuarioNaoEncontradoException("usuario no encontrado");
    } else {
        em.remove(u);
        em.getTransaction().commit();
    }
    em.clear();
    em.close();
    emf.close();

}

From source file:fr.univlorraine.ecandidat.controllers.DemoController.java

/** Lance un script sql
 * @param script/*from   w w w . j  a  v  a  2 s  .com*/
 */
@Transactional
private void launchSqlScript(String script) {
    EntityManager em = entityManagerFactoryEcandidat.createEntityManager();
    em.getTransaction().begin();
    try {
        final InputStream inputStream = this.getClass().getResourceAsStream("/db/demo/" + script);
        final InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
        final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
        while (bufferedReader.ready()) {
            Query query = em.createNativeQuery(bufferedReader.readLine());
            query.executeUpdate();
        }

    } catch (Exception e) {
        em.getTransaction().rollback();
        em.close();
    }
    em.getTransaction().commit();
    em.close();
}