Example usage for javax.persistence EntityManager getTransaction

List of usage examples for javax.persistence EntityManager getTransaction

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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:com.enioka.jqm.tools.JobManagerHandler.java

/**
 * Update the {@link com.enioka.jqm.jpamodel.History} with the given progress data.
 * /*from   w ww  .j a  v a  2s  .  co  m*/
 * @param msg
 * @throws JqmKillException
 */
private void sendProgress(Integer msg) {
    EntityManager em = Helpers.getNewEm();
    try {
        em.getTransaction().begin();
        this.ji = em.find(JobInstance.class, this.ji.getId(), LockModeType.PESSIMISTIC_WRITE);
        ji.setProgress(msg);
        em.getTransaction().commit();
    } finally {
        em.close();
    }
}

From source file:com.busimu.core.dao.impl.UserMngDaoPolicyJpaImpl.java

private void initExampleData() throws Exception {
    EntityManager em = emf.createEntityManager();
    try {//from  w  w  w  . ja  v  a  2  s  . c  o m
        EntityTransaction tx = em.getTransaction();
        tx.begin();
        User player1 = new User("student@busimu.com", "ssssss", "s", User.Type.STUDENT);
        player1.setStatus(User.Status.ACTIVE);
        User player2 = new User("zhangsan@busimu.com", "123456", "", User.Type.STUDENT);
        player2.setStatus(User.Status.ACTIVE);
        User player3 = new User("lisi@busimu.com", "123456", "?", User.Type.STUDENT);
        player3.setStatus(User.Status.ACTIVE);
        User teacher = new User("teacher@busimu.com", "tttttt", "t", User.Type.TEACHER);
        teacher.setStatus(User.Status.ACTIVE);
        em.persist(player1);
        em.persist(player2);
        em.persist(player3);
        em.persist(teacher);

        Campaign campaign = teacher.createCampagin("", Campaign.Type.COURSE);
        SimMarket south = campaign.addMarket("??");
        SimMarket central = campaign.addMarket("?");
        SimMarket north = campaign.addMarket("?");
        SimMarket east = campaign.addMarket("?");
        SimMarket west = campaign.addMarket("");
        SimCorporation ibm = south.addCorporation("IBM", new Color(128, 128, 255));
        SimCorporation ericsson = south.addCorporation("Ericsson", Color.BLUE);
        SimCorporation oracle = south.addCorporation("Oracle", Color.RED);
        for (int i = 0; i < 8; i++) {
            campaign.addRound();
        }

        player2.addCampaign(campaign);
        player3.addCampaign(campaign);
        em.persist(campaign);

        Team t1 = new Team("anoym1");
        Team t2 = new Team("anoym2");
        Team t3 = new Team("anoym3");
        t1.addCorporation(ibm);
        t2.addCorporation(ericsson);
        t3.addCorporation(oracle);
        em.persist(t1);
        em.persist(t2);
        em.persist(t3);

        Campaign runningCampaign = teacher.createCampagin("", Campaign.Type.COURSE);
        SimMarket m1 = runningCampaign.addMarket("");
        SimMarket m2 = runningCampaign.addMarket("");
        SimMarket m3 = runningCampaign.addMarket("");
        SimCorporation corp1 = m1.addCorporation("", Color.ORANGE);
        for (int i = 0; i < 3; i++) {
            runningCampaign.addRound();
        }
        player1.addCampaign(runningCampaign);
        player2.addCampaign(runningCampaign);
        player3.addCampaign(runningCampaign);
        runningCampaign.setStatus(Campaign.Status.ONGOING);

        Team t11 = new Team("anoym11");
        t11.addCorporation(corp1);
        t11.addUser(player1);
        t11.addUser(player2);
        t11.addUser(player3);
        em.persist(t11);

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

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

@Override
public boolean create(OfferBid something) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = false;

    try {//from  www  .j a v  a 2 s .c  o m
        em.getTransaction().begin();
        em.persist(something);
        em.getTransaction().commit();
        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(OfferBidRepositoryImplementation.class.getName()).info(e);
        success = false;
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return success;
}

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

@Override
public boolean update(OfferBid something) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = false;

    try {/*from www .j  a va  2s  .c o  m*/
        em.getTransaction().begin();
        em.merge(something);
        em.getTransaction().commit();
        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(OfferBidRepositoryImplementation.class.getName()).info(e);
        success = false;
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return success;
}

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

@Override
public boolean deleteAllBidsForVacancy(Vacancy vacancy) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    try {/*from ww  w . java 2 s.c o  m*/
        em.getTransaction().begin();
        Query query = em.createNamedQuery("OfferBid.deleteByVacancy");
        query.setParameter("vacancy", vacancy);
        query.executeUpdate();
        em.getTransaction().commit();

        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(OfferBidRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
            success = false;
        }
        em.close();
    }

    return success;
}

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

@Override
public boolean deleteAllOffersForEmployee(Employee employee) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    try {/*from w  w w . j  ava  2 s. c  o  m*/
        em.getTransaction().begin();
        Query query = em.createNamedQuery("OfferBid.deleteByEmployee");
        query.setParameter("employee", employee);
        query.executeUpdate();
        em.getTransaction().commit();

        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(OfferBidRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
            success = false;
        }
        em.close();
    }

    return success;
}

From source file:com.headissue.pigeon.admin.AdminSurveyHandler.java

public boolean disableSurvey(int _surveyId) {
    if (_surveyId <= 0) {
        return false;
    }//from  www. ja  va 2s  .c o m
    EntityManager _manager = factory.createEntityManager();
    try {
        Survey s = _manager.find(Survey.class, _surveyId);
        if (s == null) {
            return false;
        }
        _manager.getTransaction().begin();
        s.setStatus(SurveyStatus.DISABLED);
        _manager.getTransaction().commit();
        return true;
    } catch (Exception e) {
        LogUtils.warn(log, "set survey '%s' to disabled failed", _surveyId);
        _manager.getTransaction().rollback();
        return false;
    } finally {
        _manager.close();
    }
}

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

@Override
public OfferBid getOfferByEmployeeAndVacancy(Employee employee, Vacancy vacancy) {
    EntityManager em = entityManagerFactory.createEntityManager();
    OfferBid offer = null;//from w  ww .j a v  a 2 s  . com
    try {
        em.getTransaction().begin();

        TypedQuery<OfferBid> query = em.createNamedQuery("OfferBid.findOfferByEmployeeAndVacancy",
                OfferBid.class);
        query.setParameter("employee", employee);
        query.setParameter("vacancy", vacancy);
        offer = query.getSingleResult();

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

    return offer;
}

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

@Override
public OfferBid getBidByEmployeeAndVacancy(Employee employee, Vacancy vacancy) {
    EntityManager em = entityManagerFactory.createEntityManager();
    OfferBid offer = null;//from  ww w .  ja  v  a2  s. c o m
    try {
        em.getTransaction().begin();

        TypedQuery<OfferBid> query = em.createNamedQuery("OfferBid.findBidByEmployeeAndVacancy",
                OfferBid.class);
        query.setParameter("employee", employee);
        query.setParameter("vacancy", vacancy);
        offer = query.getSingleResult();

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

    return offer;
}

From source file:edu.csueb.cs6320.utils.UserService.java

public boolean delete(long userid) {
    EntityManager em = Persistence.createEntityManagerFactory("TestPU").createEntityManager();

    User u = em.find(User.class, userid);
    if (u == null) {
        return false;
    }//from  w w  w. j  a v  a  2s .com
    em.getTransaction().begin();
    em.remove(u);
    em.getTransaction().commit();
    em.close();

    return true;
}