Examples of javax.persistence.EntityManagerFactory.createEntityManager()

Class javax.persistence.EntityManagerFactory

Examples of javax.persistence.EntityManagerFactory.createEntityManager()

javax.persistence.EntityManagerFactory.createEntityManager()
Create a new application-managed EntityManager. This method returns a new EntityManager instance each time it is invoked. The isOpen method will return true on the returned instance. @return entity manager instance @throws IllegalStateException if the entity manager factoryhas been closed

  public void testProgrammaticCfg() throws Exception {
    Ejb3Configuration conf = new Ejb3Configuration();
    conf.configure( "org/hibernate/ejb/test/ejb3configuration/hibernate.cfg.xml" );
    conf.addProperties(getProperties());
    EntityManagerFactory emf = conf.buildEntityManagerFactory();
    EntityManager em = emf.createEntityManager();
    Cat cat = new Cat();
    cat.setAge( 23 );
    cat.setDateOfBirth( new Date() );
    cat.setLength( 32 );
    cat.setName( "Tomy" );

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    factory = Persistence.createEntityManagerFactory( "manager1" );
  }


  public void testDefaultPar() throws Exception {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "defaultpar", new HashMap() );
    EntityManager em = emf.createEntityManager();
    ApplicationServer as = new ApplicationServer();
    as.setName( "JBoss AS" );
    Version v = new Version();
    v.setMajor( 4 );
    v.setMinor( 0 );

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  public void testListenersDefaultPar() throws Exception {
    IncrementListener.reset();
    OtherIncrementListener.reset();
    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "defaultpar", new HashMap() );
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    ApplicationServer as = new ApplicationServer();
    as.setName( "JBoss AS" );
    Version v = new Version();
    v.setMajor( 4 );

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    emf.close();
  }


  public void testExplodedPar() throws Exception {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "explodedpar", new HashMap() );
    EntityManager em = emf.createEntityManager();
    org.hibernate.ejb.test.pack.explodedpar.Carpet carpet = new Carpet();
    Elephant el = new Elephant();
    el.setName( "Dumbo" );
    carpet.setCountry( "Turkey" );
    em.getTransaction().begin();

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      nested = nested.getCause();
      if ( nested == null ) throw e;
      if ( !( nested instanceof ClassNotFoundException ) ) throw e;
      fail( "Try to process hbm file: " + e.getMessage() );
    }
    EntityManager em = emf.createEntityManager();
    Caipirinha s = new Caipirinha( "Strong" );
    em.getTransaction().begin();
    em.persist( s );
    em.getTransaction().commit();

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    emf.close();
  }


  public void testCfgXmlPar() throws Exception {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "cfgxmlpar", new HashMap() );
    EntityManager em = emf.createEntityManager();
    Item i = new Item();
    i.setDescr( "Blah" );
    i.setName( "factory" );
    Morito m = new Morito();
    m.setPower( "SuperStrong" );

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    emf.close();
  }


  public void testSpacePar() throws Exception {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "space par", new HashMap() );
    EntityManager em = emf.createEntityManager();
    Bug bug = new Bug();
    bug.setSubject( "Spaces in directory name don't play well on Windows" );
    em.getTransaction().begin();
    em.persist( bug );
    em.flush();

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    properties.put( "hibernate.connection.driver_class", "org.hsqldb.jdbcDriver" );
    properties.put( "hibernate.connection.username", "sa" );
    properties.put( "hibernate.connection.password", "" );
    properties.put( "hibernate.connection.url", "jdbc:hsqldb:." );
    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "overridenpar", properties );
    EntityManager em = emf.createEntityManager();
    org.hibernate.ejb.test.pack.overridenpar.Bug bug = new org.hibernate.ejb.test.pack.overridenpar.Bug();
    bug.setSubject( "Allow DS overriding" );
    em.getTransaction().begin();
    em.persist( bug );
    em.flush();

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  }




  public void testListeners() throws Exception {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory( "manager1", new HashMap() );
    EntityManager em = emf.createEntityManager();
    EventListeners eventListeners = ( (SessionImplementor) em.getDelegate() ).getListeners();
    assertEquals(
        "Explicit pre-insert event through hibernate.ejb.event.pre-insert does not work",
        eventListeners.getPreInsertEventListeners().length,
        eventListeners.getPreUpdateEventListeners().length + 1 );

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      assertEquals(cs.size(), 0);
      assertFalse(cs.contains(obj1.getKey()));
      assertFalse(cs.contains(obj1.getKey()));


      EntityManagerFactory emf = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT_NAME);
      EntityManager em = emf.createEntityManager();
      EntityTransaction txn = em.getTransaction();
      txn.begin();
      em.persist(obj1.getValue());
      em.persist(obj2.getValue());
      em.flush();

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