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:net.anthonychaves.bookmarks.service.TokenService.java

public String setupNewLoginToken(User user) {
    PersistentLoginToken token = new PersistentLoginToken();
    EntityManager em = emf.createEntityManager();

    em.getTransaction().begin();
    User u = em.find(User.class, user.getId());
    token.setUser(u);/*from w w w. j  a v  a 2  s.  c o m*/
    em.persist(token);
    em.getTransaction().commit();

    return token.getId();
}

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

public User loginWithToken(String tokenId) {
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    PersistentLoginToken token = (PersistentLoginToken) em.find(PersistentLoginToken.class, tokenId);

    User user = null;/*  www.  j  av  a2s  .  co  m*/
    if (token != null) {
        user = token.getUser();
        em.remove(token);
        em.getTransaction().commit();
    } else {
        em.getTransaction().rollback();
        //TODO this is a forgery attempt
        throw new RuntimeException("Attempted login token cookie forgery");
    }
    return user;
}

From source file:streaming.service.DataBaseService.java

public void supprimerTout() {
    EntityManager em = Persistence.createEntityManagerFactory("StreamingPU").createEntityManager();
    em.getTransaction().begin();
    em.createQuery("DELETE FROM Lien l").executeUpdate();
    em.createQuery("DELETE FROM Episode e").executeUpdate();
    em.createQuery("DELETE FROM Saison s").executeUpdate();
    em.createQuery("DELETE FROM Serie se").executeUpdate();
    em.createQuery("DELETE FROM Film f").executeUpdate();
    em.createQuery("DELETE FROM Realisateur r").executeUpdate();
    em.createQuery("DELETE FROM Pays p").executeUpdate();
    em.createQuery("DELETE FROM Genre g").executeUpdate();
    em.getTransaction().commit();// ww  w  .j a  v a 2 s .  c o m
}

From source file:streaming.service.DBService.java

public void deleteAll() {
    EntityManager em = Persistence.createEntityManagerFactory("StreamingPU").createEntityManager();
    em.getTransaction().begin();
    em.createQuery("DELETE FROM Lien l").executeUpdate();
    em.createQuery("DELETE FROM Episode e").executeUpdate();
    em.createQuery("DELETE FROM Saison saison").executeUpdate();
    em.createQuery("DELETE FROM Serie serie").executeUpdate();
    em.createQuery("DELETE FROM Film f").executeUpdate();
    em.createQuery("DELETE FROM Genre g").executeUpdate();
    em.createQuery("DELETE FROM Realisateur r").executeUpdate();
    em.createQuery("DELETE FROM Pays p").executeUpdate();
    em.getTransaction().commit();//from w  w w .j a v  a2s  .  c  o  m
}

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

public Object[] updateTags(User user, int id, String tags) {
    String cleanTags = cleanTags(tags);

    EntityManager em = emf.createEntityManager();

    em.getTransaction().begin();
    User u = em.find(User.class, user.getId());
    Bookmark b = em.find(Bookmark.class, id);
    if (b.getUser().getId() != u.getId()) {
        throw new RuntimeException("Please don't try to delete bookmarks that aren't yours.");
    }//from  w w w .j a v  a  2  s. c  om

    String originalTags = b.getTags();
    b.setTags(cleanTags);
    em.getTransaction().commit();

    List<String> diffTags = diffTags(originalTags, cleanTags);

    return new Object[] { u, b, diffTags };
}

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

public List<BookmarkDetail> findBookmarksByTag(String tag, User user) {
    List<byte[]> bookmarkIds = new ArrayList<byte[]>();
    try {/*from  w ww . j a v  a  2  s. c  o m*/
        bookmarkIds = jredis.lrange(tag, 0, 50000);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }

    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    User u = em.find(User.class, user.getId());
    javax.persistence.Query query = em.createQuery(
            "select new net.anthonychaves.bookmarks.models.BookmarkDetail(b.id, b.title, b.url, b.tags) from Bookmark b where b.id in (:ids) and b.user = :user order by b.id desc")
            .setParameter("ids", bookmarkIds).setParameter("user", u);
    List<BookmarkDetail> bookmarks = (List<BookmarkDetail>) query.getResultList();
    em.getTransaction().rollback();

    return bookmarks;
}

From source file:vn.edu.vnuk.tasks_jpa.dao.TaskDao.java

public void create(Task task) throws SQLException {

    EntityManager manager = getEntityManager();
    manager.getTransaction().begin();
    manager.persist(task);//from w ww . j  av  a2  s .  c  o  m
    manager.getTransaction().commit();
    manager.close();

}

From source file:vn.edu.vnuk.tasks_jpa.dao.TaskDao.java

public void update(Task task) throws SQLException {

    EntityManager manager = getEntityManager();
    manager.getTransaction().begin();
    manager.merge(task);//from   w  ww  . ja  v  a  2s .c  o m
    manager.getTransaction().commit();
    manager.close();

}

From source file:bq.jpa.demo.basic2.dao.AccountDaoImpl.java

/**
 * inject entitymanagerfactory, can support bean-transaction
 *//*  w  w w . j a  va  2  s . co  m*/
@Override
public Account addWithBeanTransaction(Account account) {
    EntityManager localEM = emf.createEntityManager();
    localEM.getTransaction().begin();
    localEM.persist(account);
    localEM.getTransaction().commit();
    localEM.close();
    return account;
}

From source file:vn.edu.vnuk.tasks_jpa.dao.TaskDao.java

public void delete(Long id) throws SQLException {

    Task task = this.read(id);

    EntityManager manager = getEntityManager();
    manager.getTransaction().begin();
    task = manager.merge(task);//  w w w. ja v  a2  s  .  co m
    manager.remove(task);
    manager.getTransaction().commit();
    manager.close();

}