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.edsoft.teknosaproject.bean.ReportBean.java

@Override
public void typeListener() {
    Menus menus;//from ww  w  .  j  av  a 2s .c o m
    typeMenu.clear();
    brandMenu.clear();
    documentMenu.clear();

    path = Paths.get(DIR, "AnaDepo", family);
    //path = Paths.get("D:", "Teknosa", family);
    fileList = path.toFile().listFiles();
    EntityManager em = Persistence.createEntityManagerFactory("teknosa").createEntityManager();
    em.getTransaction().begin();
    Query query = em.createNamedQuery("Menus.findByValued");
    typeMenu.add(new SelectItem("", "Seiniz"));
    for (File file : fileList) {
        if (file.isDirectory()) {
            query.setParameter("valued", file.getName());
            menus = (Menus) query.getResultList().get(0);
            menus.setLabel(menus.getLabel1());
            menus.setValue(menus.getValued());
            typeMenu.add(menus);
        }
    }
    em.getTransaction().commit();
    em.close();
}

From source file:com.edsoft.teknosaproject.bean.ReportBean.java

@PostConstruct
public void initialize() {
    list = new ArrayList<>();
    filtered = new ArrayList<>();
    Menus menus;//from w  ww  . ja v  a 2s  .c o m
    familyMenu = new ArrayList<>();
    typeMenu = new ArrayList<>();
    brandMenu = new ArrayList<>();
    documentMenu = new ArrayList<>();
    path = Paths.get(DIR, "AnaDepo");
    //path = Paths.get("D:", "Teknosa");
    fileList = path.toFile().listFiles();
    EntityManager em = Persistence.createEntityManagerFactory("teknosa").createEntityManager();
    em.getTransaction().begin();
    Query query = em.createNamedQuery("Menus.findByValued");
    familyMenu.add(new SelectItem("", "Seiniz"));
    for (File file : fileList) {
        if (file.isDirectory()) {
            query.setParameter("valued", file.getName());
            menus = (Menus) query.getResultList().get(0);
            menus.setValue(menus.getValued());
            menus.setLabel(menus.getLabel1());
            familyMenu.add(menus);
        }
    }
    em.getTransaction().commit();
    em.close();
}

From source file:com.nokia.helium.metadata.DerbyFactoryManagerCreator.java

public synchronized EntityManagerFactory create(File database) throws MetadataException {
    EntityManagerFactory factory;//from   www.  j a v  a 2 s  . c  o  m
    String name = "metadata";
    Hashtable<String, String> persistProperties = new Hashtable<String, String>();
    persistProperties.put("javax.persistence.jdbc.driver", "org.apache.derby.jdbc.EmbeddedDriver");
    // This swallow all the output log from derby.
    System.setProperty("derby.stream.error.field",
            "com.nokia.helium.metadata.DerbyFactoryManagerCreator.DEV_NULL");
    persistProperties.put("javax.persistence.jdbc.url", "jdbc:derby:" + database.getAbsolutePath());
    persistProperties.put(PersistenceUnitProperties.PERSISTENCE_CONTEXT_CLOSE_ON_COMMIT, "false");
    persistProperties.put(PersistenceUnitProperties.PERSISTENCE_CONTEXT_REFERENCE_MODE, "WEAK");
    persistProperties.put(PersistenceUnitProperties.BATCH_WRITING, "JDBC");
    persistProperties.put("eclipselink.read-only", "true");
    persistProperties.put(PersistenceUnitProperties.LOGGING_LEVEL, "warning");
    if (database.exists()) {
        if (!checkDatabaseIntegrity(database)) {
            try {
                FileUtils.forceDelete(database);
            } catch (java.io.IOException iex) {
                throw new MetadataException("Failed deleting corrupted db: " + iex, iex);
            }
        } else {
            return Persistence.createEntityManagerFactory(name, persistProperties);
        }
    }
    persistProperties.put("javax.persistence.jdbc.url", "jdbc:derby:" + database + ";create=true");
    persistProperties.put(PersistenceUnitProperties.DDL_GENERATION, "create-tables");
    persistProperties.put(PersistenceUnitProperties.DDL_GENERATION_MODE, "database");
    persistProperties.put(PersistenceUnitProperties.PERSISTENCE_CONTEXT_CLOSE_ON_COMMIT, "false");
    persistProperties.put(PersistenceUnitProperties.PERSISTENCE_CONTEXT_REFERENCE_MODE, "WEAK");
    persistProperties.put(PersistenceUnitProperties.BATCH_WRITING, "JDBC");
    persistProperties.put("eclipselink.read-only", "true");
    factory = Persistence.createEntityManagerFactory(name, persistProperties);
    EntityManager entityManager = factory.createEntityManager();
    // Pushing default data into the current schema
    try {
        entityManager.getTransaction().begin();
        // Version of the schema is pushed.
        entityManager.persist(new Version());
        // Default set of severity is pushed.
        for (SeverityEnum.Severity severity : SeverityEnum.Severity.values()) {
            Severity pData = new Severity();
            pData.setSeverity(severity.toString());
            entityManager.persist(pData);
        }
        entityManager.getTransaction().commit();
    } finally {
        if (entityManager.getTransaction().isActive()) {
            entityManager.getTransaction().rollback();
            entityManager.clear();
        }
        entityManager.close();
    }
    return factory;
}

From source file:fr.xebia.demo.wicket.blog.service.GenericService.java

public void delete(T entity) throws ServiceException {
    try {//from w w  w.j  a va 2 s. com
        EntityManager entityManager = currentEntityManager();
        entityManager.getTransaction().begin();

        Serializable objectId = getObjectId(entity);
        if (objectId == null) {
            throw new ServiceException("Entity has no id");
        }
        T loadedEntity = entityManager.find(getObjectClass(), objectId);
        if (loadedEntity == null) {
            throw new ServiceException("Entity referenced by id " + objectId + " does not exist");
        }
        entityManager.remove(loadedEntity);

        commitTransaction();
    } catch (PersistenceException e) {
        logger.error(e.getCause(), e);
        rollbackTransaction();
        throw new ServiceException("Can't delete object", e);
    } finally {
        closeEntityManager();
    }
}

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

@Override
public Employee getById(int id) {
    EntityManager em = entityManagerFactory.createEntityManager();
    Employee employee = null;//from  w w w .j  a va  2  s  .  co  m
    try {
        em.getTransaction().begin();
        employee = em.find(Employee.class, id);
        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(EmployeeRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return employee;
}

From source file:com.espirit.moddev.examples.uxbridge.newsdrilldown.test.NewsITCase.java

/**
 * Test persistence.//from   ww w  .j  a  va2 s . co m
 *
 * @throws Exception the exception
 */
@Test
public void testPersistence() throws Exception {

    long size = countNews();

    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = null;
    try {
        tx = em.getTransaction();
        tx.begin();

        News news = new News();

        news.setContent("Spider-man was seen.");
        news.setHeadline("The amazing spider-man");
        news.setFs_id(1l);
        news.setLanguage("DE");
        news.setTeaser("spider-man");

        NewsCategory sport = new NewsCategory();
        sport.setFs_id(2l);
        sport.setName("Sport");
        sport.setLanguage("DE");

        NewsMetaCategory soccer = new NewsMetaCategory();
        soccer.setFs_id(3l);
        soccer.setLanguage("DE");
        soccer.setName("Fussball");

        if (sport.getMetaCategories() == null) {
            sport.setMetaCategories(new ArrayList<NewsMetaCategory>());
        }
        sport.getMetaCategories().add(soccer);

        if (news.getCategories() == null) {
            news.setCategories(new ArrayList<NewsCategory>());
        }
        news.getCategories().add(sport);

        em.persist(news);
        em.flush();
        tx.commit();

        assertEquals("Entity not filled", size + 1, countNews());

        Query query = em.createQuery("SELECT mc FROM metaCategory mc WHERE fs_id=3");
        NewsMetaCategory metaCat = (NewsMetaCategory) query.getSingleResult();
        assertNotNull(metaCat);

        query = em.createQuery(
                "SELECT c FROM category c join c.metaCategories mc WHERE mc.fs_id=" + metaCat.getFs_id());
        NewsCategory category = (NewsCategory) query.getSingleResult();
        assertNotNull(category);

        query = em.createQuery("SELECT n FROM news n join n.categories c WHERE c.fs_id=" + category.getFs_id());
        News n = (News) query.getSingleResult();
        assertNotNull(n);

    } finally {
        if (tx != null && tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }

}

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

@Override
public Vacancy getById(int id) {
    EntityManager em = entityManagerFactory.createEntityManager();
    Vacancy vacancy = null;//from  w  ww  .ja  va 2s  .co m
    try {
        em.getTransaction().begin();
        vacancy = em.find(Vacancy.class, id);
        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(VacancyRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return vacancy;
}

From source file:net.anthonychaves.bookmarks.service.UserService.java

public User findUser(String emailAddress) {
    EntityManager em = emf.createEntityManager();

    User user = null;/*from   w  w  w . j  av a2s. c  o  m*/
    try {
        Query query = em.createQuery("select u from User u where u.emailAddress = ?1").setParameter(1,
                emailAddress);
        em.getTransaction().begin();
        user = (User) query.getSingleResult();
        em.getTransaction().rollback();
    } catch (NoResultException e) {
        user = null;
    }
    return user;
}

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

@Override
public boolean update(Employee employee) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    try {/* w  w w.  j a v  a  2s .c o m*/
        em.getTransaction().begin();

        em.merge(employee);
        em.flush();

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

    return success;
}

From source file:ejb.bean.UsuarioDAOJPAImplBean.java

/**Mtodo para a criao de usurio
 * @author Richel Sensineli\//from w  w w.  j  a  va 2 s . c  o  m
 * @param nome String - Nome do usurio
 * @param sobrenome String - Nome do usurio
 * @return Usuario usuario - Objeto Usurio
 */
@Override
public Usuario criaUsuario(final String nome, final String sobrenome) {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("UsuarioPU");
    EntityManager em = emf.createEntityManager();

    UsuarioImpl user = new UsuarioImpl();
    user.setNome(nome);
    user.setSobrenome(sobrenome);

    em.getTransaction().begin();
    try {
        em.persist(user);
        em.getTransaction().commit();
    } catch (Exception e) {
        e.printStackTrace();
        em.getTransaction().rollback();
    }

    em.clear();
    em.close();
    emf.close();

    return user;
}