Example usage for javax.persistence EntityManager close

Introduction

In this page you can find the example usage for javax.persistence EntityManager close.

Prototype

public void close();

Source Link

Document

Close an application-managed entity manager.

Usage

From source file:facades.PersonFacadeDB.java

@Override
public RoleSchool addRole(String json, Integer id) throws NotFoundException {
    Person p = gson.fromJson(getPerson(id), Person.class);
    HashMap<String, String> map = new Gson().fromJson(json, new TypeToken<HashMap<String, String>>() {
    }.getType());/*  ww w .  j  a va  2  s .c  om*/

    String roleName = map.get("roleName");
    RoleSchool role;

    switch (roleName) {
    case "Teacher Assistant":
        //Create role
        RoleSchool ta = new TeacherAssistant();
        ta.setPerson(p);
        role = ta;
        break;
    case "Teacher":

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");

        String dateInString = map.get("date");
        Date date = new Date();

        try {
            date = formatter.parse(dateInString);
        } catch (ParseException e) {
            e.printStackTrace(System.out);
        }

        RoleSchool t = new Teacher(date, map.get("degree"));
        t.setPerson(p);
        role = t;
        break;
    case "Student":
        RoleSchool s = new Student(map.get("semester"));
        s.setPerson(p);
        role = s;
        break;
    default:
        throw new IllegalArgumentException("no such role");
    }
    //save this info
    EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceFileName);
    EntityManager em = emf.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();

    try {
        em.persist(role);
        transaction.commit();
        em.getEntityManagerFactory().getCache().evictAll();
    } catch (Exception e) {
        throw new NotFoundException("Couldnt add role");
    } finally {
        em.close();
    }

    return role;

}

From source file:in.bookmylab.jpa.JpaDAO.java

/**
 * @return/*  w  ww  . ja  v a  2  s. c  om*/
 */
public List<ResourcePricing> getResourcePrices() {
    EntityManager em = emf.createEntityManager();
    try {
        Query q = em.createNamedQuery("ResourcePricing.findAllCurrent");
        return q.getResultList();
    } finally {
        em.close();
    }
}

From source file:cz.fi.muni.pa165.dto.BookDAOTest.java

@Test
public void testUpdate() {
    EntityManager em = emf.createEntityManager();
    BookDAOImpl bdao = new BookDAOImpl();
    bdao.setManager(em);//from w w w  .  j  ava 2s.  com
    Book book = new Book();
    book = em.createQuery("SELECT b FROM Book b", Book.class).getSingleResult();
    em.getTransaction().begin();
    book.setName("Updated!");
    bdao.update(book);
    em.getTransaction().commit();

    Book book2 = em.createQuery("SELECT b FROM Book b", Book.class).getSingleResult();
    em.close();
    assertEquals(book2.getName(), "Updated!");

}

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

@Override
public BasicSkill getById(int id) {
    EntityManager em = entityManagerFactory.createEntityManager();
    BasicSkill skill = null;/*from  w  w  w .ja va2 s . co  m*/
    try {
        em.getTransaction().begin();
        skill = em.find(BasicSkill.class, id);
        em.getTransaction().commit();
    } catch (RuntimeException e) {
        Logger.getLogger(BasicSkillRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        em.close();
    }

    return skill;
}

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

@Override
public boolean delete(UserSkill userSkill) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    UserSkill managedUserSkill = null;//  w  ww .  j a  va 2s.  com
    try {
        em.getTransaction().begin();
        managedUserSkill = em.merge(userSkill);
        em.remove(managedUserSkill);
        em.getTransaction().commit();

        success = true;
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
            success = false;
        }
        em.close();
    }

    return success;
}

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

/**
 * Count articles.//from ww  w. j  a  v a 2  s .c  o m
 *
 * @return the long
 * @throws Exception the exception
 */
private long countArticles() throws Exception {
    EntityManager em = emf.createEntityManager();
    Query query = em.createQuery("SELECT COUNT(p.headline) FROM news p");
    Long countResult = (Long) query.getSingleResult();

    em.close();

    return countResult;
}

From source file:com.enioka.jqm.tools.JobManagerHandler.java

private JobInstance getRunningJI(int jobId) {
    EntityManager em = Helpers.getNewEm();
    JobInstance jj = null;//from  w  w w .ja  v  a2  s. c  om
    try {
        jj = em.find(JobInstance.class, jobId);
    } catch (Exception e) {
        throw new JqmRuntimeException("Could not query job instance", e);
    } finally {
        em.close();
    }
    return jj;
}

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

/**
 * Count categories.//  w ww  .  ja  va  2s . c  o  m
 *
 * @return the long
 * @throws Exception the exception
 */
private long countCategories() throws Exception {
    EntityManager em = emf.createEntityManager();
    Query query = em.createQuery("SELECT COUNT(p.fs_id) FROM category p");
    Long countResult = (Long) query.getSingleResult();

    em.close();

    return countResult;
}

From source file:de.zib.gndms.GORFX.context.service.globus.resource.ExtTaskResourceHome.java

private void resumeTasks() throws Exception {

    logger.debug("Checking for aborted tasks.");
    EntityManager em = null;
    List<String> rs = null;
    try {/*w  w  w .ja v a  2s .  com*/
        em = system.getEntityManagerFactory().createEntityManager();
        Query q = em.createNamedQuery("unfinishedTaskIds");
        rs = q.getResultList();
        if (rs.size() == 0) {
            logger.debug("No tasks found :-)");
            return;
        }
    } finally {
        if (em != null && em.isOpen())
            em.close();
    }

    logger.debug("Try to resume " + rs.size() + " tasks");
    for (String id : rs) {
        logger.debug("Resuming " + id);
        Resource k = find(getKeyForId(id));
    }
}

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

/**
 * Count meta categories.//w w  w  . j  a  v  a2s  .co m
 *
 * @return the long
 * @throws Exception the exception
 */
private long countMetaCategories() throws Exception {
    EntityManager em = emf.createEntityManager();
    Query query = em.createQuery("SELECT COUNT(p.fs_id) FROM metaCategory p");
    Long countResult = (Long) query.getSingleResult();

    em.close();

    return countResult;
}