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.headissue.pigeon.admin.AdminSurveyHandler.java

public int createSurvey(SurveyParameter p) {
    checkNotNull(p, "parameter is null");
    checkNotNull(p.getSurvey(), "survey values are null");
    Survey _survey = adminSurveyService.createSurvey(p.getSurvey(), new Date(p.getTimestamp()));
    EntityManager _manager = factory.createEntityManager();
    try {/*from  w w w .  j  a v a  2s . c  o m*/
        _manager.getTransaction().begin();
        _manager.persist(_survey);
        _manager.getTransaction().commit();
        return _survey.getId();
    } catch (Exception e) {
        LogUtils.warn(log, e, "save the survey failed");
        if (_manager.getTransaction().isActive()) {
            _manager.getTransaction().rollback();
        }
        return 0;
    } finally {
        _manager.close();
    }
}

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

public int overwriteSurvey(SurveyParameter p) {
    checkNotNull(p, "parameter is null");
    checkNotNull(p.getSurvey(), "survey values are null");
    EntityManager _manager = factory.createEntityManager();
    try {//from  www. j a v  a 2  s.  c om
        _manager.getTransaction().begin();
        Survey _survey = _manager.find(Survey.class, p.getSurveyId());
        adminSurveyService.mergeSurvey(_survey, p.getSurvey(), new Date(p.getTimestamp()), _manager);
        _manager.getTransaction().commit();
        return _survey.getId();
    } catch (Exception e) {
        LogUtils.warn(log, e, "save the survey failed");
        if (_manager.getTransaction().isActive()) {
            _manager.getTransaction().rollback();
        }
        return 0;
    } finally {
        _manager.close();
    }
}

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

@Override
public List<CheckDocument> findAllForEmployer(Employer employer) {
    EntityManager em = entityManagerFactory.createEntityManager();
    List<CheckDocument> list = new LinkedList<>();
    try {// w  w  w .  ja v  a 2 s .co  m
        em.getTransaction().begin();

        TypedQuery<CheckDocument> query = em.createNamedQuery("CheckDocument.findAllForEmployer",
                CheckDocument.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:com.emc.plants.service.impl.LoginBean.java

/**
 * Update an existing user./*ww  w .  j av a 2s  .co  m*/
 *
 * @param customerID The customer ID.
 * @param firstName First name.
 * @param lastName Last name.
 * @param addr1 Address line 1.
 * @param addr2 Address line 2.
 * @param addrCity City address information.
 * @param addrState State address information.
 * @param addrZip Zip code address information.
 * @param phone User's phone number.
 * @return CustomerInfo
 */
public CustomerInfo updateUser(String customerID, String firstName, String lastName, String addr1, String addr2,
        String addrCity, String addrState, String addrZip, String phone) {
    CustomerInfo customerInfo = null;
    // TODO: lowp: no lock check is performed to see if cust data has changed since fetch!
    /*
     customerHome = (CustomerHome) Util.getEJBLocalHome("java:comp/env/ejb/Customer",
     com.ibm.websphere.samples.pbwjpa.CustomerHome.class);
             
     Customer customer = customerHome.findByPrimaryKeyUpdate(customerID);
     customer.update(firstName, lastName, addr1, addr2, addrCity, addrState, addrZip, phone);
     customerInfo = new CustomerInfo(customer);
     */
    EntityManager em = entityManagerFactory.createEntityManager();
    em.getTransaction().begin();
    Customer c = em.find(Customer.class, customerID);
    em.lock(c, LockModeType.WRITE);
    em.refresh(c);
    // TODO: lowp: test and set for update performance?
    c.setFirstName(firstName);
    c.setLastName(lastName);
    c.setAddr1(addr1);
    c.setAddr2(addr2);
    c.setAddrCity(addrCity);
    c.setAddrState(addrState);
    c.setAddrZip(addrZip);
    c.setPhone(phone);

    customerInfo = new CustomerInfo(c);
    em.getTransaction().commit();
    return customerInfo;
}

From source file:com.headissue.pigeon.service.AdminSurveyServiceTest.java

EntityManager mergeSurvey(SurveyValue _value) throws Exception {
    EntityManager _manager = factory.createEntityManager();
    try {//  www  .j  a  va 2s .c  om
        _manager.getTransaction().begin();
        Survey s = _manager.find(Survey.class, survey.getId());
        adminSurveyService.mergeSurvey(s, _value, UPDATE_DATE, _manager);
        _manager.persist(s);
        _manager.getTransaction().commit();
        survey = s;
    } catch (Exception e) {
        if (_manager.getTransaction().isActive()) {
            _manager.getTransaction().rollback();
        }
        throw e;
    }
    return _manager;
}

From source file:com.sun.socialsite.business.impl.JPAPersistenceStrategy.java

/**
 * Flush changes to the datastore, commit transaction, release em.
 * @throws SocialSiteException on any error
 *///  w ww.j ava 2 s .c  om
public void flush() throws SocialSiteException {
    try {
        EntityManager em = getEntityManager(true);
        em.getTransaction().commit();
    } catch (PersistenceException pe) {
        throw new SocialSiteException(pe);
    }
}

From source file:com.headissue.pigeon.survey.answer.AnswerHandler.java

public void receiveAnswer(Session _session, AnswerParameter p) {
    checkPreCondition(_session, p);//from  www  . j  a  va 2 s  .c o m
    EntityManager _manager = factory.createEntityManager();
    try {
        _manager.getTransaction().begin();
        Survey _survey = _manager.find(Survey.class, p.getSurveyId());
        checkNotNull(_survey, "unknown survey '%s'", p.getSurveyId());
        int _mapId = userMapService.getUserMapId(_session);
        final UserMap map;
        if (_mapId <= 0 || _mapId != p.getMapId()) {
            map = createUserMap(_survey, p, _manager);
        } else {
            map = loadUserMap(_survey, _mapId, _manager);
        }
        checkNotNull(map, "unknown user map for survey '%s'", p.getSurveyId());
        Date _timestamp = new Date(p.getTimestamp());
        for (UserAnswerValue _value : p.getValues().getAnswers()) {
            Question _question = findQuestion(_survey, _value.getQuestionId());
            if (_question == null) {
                continue;
            }
            storeAnswer(_survey, _question, map, _value, _manager, _timestamp);
        }
        _manager.getTransaction().commit();
        checkTrue(map.getId() != 0, "user map can not created for survey '%s'", p.getSurveyId());
        userMapService.setUserMapId(_session, map.getId());
    } catch (Exception e) {
        LogUtils.warn(log, "receiveAnswer: processing is failed");
        throw new AnswerException("processing is failed", e);
    } finally {
        _manager.close();
    }
}

From source file:com.yahoo.sql4d.indexeragent.meta.DBHandler.java

private void addUpdateDeleteEntity(Object entity, Action action) {
    EntityManager em = getEntityManager();
    try {//w  ww  .  j av a  2s.  c  om
        em.getTransaction().begin();
        switch (action) {
        case ADD:
            em.persist(entity);
            break;
        case UPDATE:
            em.merge(entity);
            break;
        case DELETE:
            em.remove(entity);
            break;
        }
    } catch (RuntimeException e) {
        log.error("Something wrong persisting/merging/removing entity {}, so rolling back . Exception is {}",
                entity, ExceptionUtils.getStackTrace(e));
        em.getTransaction().rollback();
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().commit();
        }
        em.close();
    }
}

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();/*from   w w w.j  a  va 2  s  .c om*/

    LivreEntry entry = em.getReference(LivreEntry.class, e.getIsbn());
    em.remove(entry);

    t.commit();
}

From source file:com.headissue.pigeon.service.AdminSurveyServiceTest.java

@Before
public void setUp() throws Exception {
    injector.injectMembers(this);

    SurveyValue _value = getSurveyValue("testSurvey.json");
    survey = adminSurveyService.createSurvey(_value, CREATE_DATE);
    EntityManager _manager = factory.createEntityManager();
    _manager.getTransaction().begin();
    _manager.persist(survey);/*from w  w w  . j  a  va2s.c  o  m*/
    _manager.getTransaction().commit();
    _manager.close();

    UserAnswerValues a = new UserAnswerValues();
    a.setPageKey("testSurvey");
    a.setUserData("gans");
    a.setUserKey("gustav");
    a.setAnswers(new ArrayList<UserAnswerValue>());
    AnswerParameter p = new AnswerParameter();
    p.setSurveyId(survey.getId());
    p.setTimestamp(ANSWER_DATE.getTime());
    p.setValues(a);
    LogUtils.debug(log, "survey id:    %s", survey.getId());
    for (Question q : survey.getQuestions()) {
        LogUtils.debug(log, "querstion id: %s", q.getId());
        UserAnswerValue v = new UserAnswerValue();
        v.setQuestionId(q.getId());
        v.setValues(Arrays.asList(q.getAnswers().get(0).getText()));
        a.getAnswers().add(v);
        for (QuestionText qt : q.getAnswers()) {
            LogUtils.debug(log, "answert id:   %s", qt.getId());
        }
    }

    SessionManager _sessionManager = new SessionManager();
    AnswerHandler _answerHandler = injector.getInstance(AnswerHandler.class);
    _answerHandler.receiveAnswer(_sessionManager.getCurrentSession(), p);
}