Examples of org.hibernate.Session.load()

org.hibernate.Session.load()
Return the persistent instance of the given entity class with the given identifier, obtaining the specified lock mode, assuming the instance exists. @param theClass a persistent class @param id a valid identifier of an existing persistent instance of the class @param lockMode the lock level @return the persistent instance or proxy @throws HibernateException

    dp.setY( new BigDecimal(2.0) );
    s.persist(dp);
    s.flush();
    s.clear();
    
    dp = (DataPoint) s.load(DataPoint.class, new Long( dp.getId() ) );
    assertFalse( Hibernate.isInitialized(dp) );
    
    try {
      dp.exception();
      fail();

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    dp.setY( new BigDecimal(2.0) );
    s.persist(dp);
    s.flush();
    s.clear();


    dp = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ) );
    assertFalse( Hibernate.isInitialized(dp) );
    s.close();
    SerializationHelper.clone( dp );


    s = openSession();

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    dp.setY( new BigDecimal(2.0) );
    s.persist(dp);
    s.flush();
    s.clear();


    dp = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ) );
    assertFalse( Hibernate.isInitialized(dp) );
    Hibernate.initialize( dp );
    assertTrue( Hibernate.isInitialized(dp) );
    s.close();
    SerializationHelper.clone( dp );

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    dp.setY( new BigDecimal(2.0) );
    s.persist(dp);
    s.flush();
    s.clear();


    dp = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ) );
    assertFalse( Hibernate.isInitialized(dp) );
    dp.getId();
    assertFalse( Hibernate.isInitialized(dp) );
    dp.getDescription();
    assertTrue( Hibernate.isInitialized(dp) );

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    assertFalse( Hibernate.isInitialized(dp) );
    dp.getId();
    assertFalse( Hibernate.isInitialized(dp) );
    dp.getDescription();
    assertTrue( Hibernate.isInitialized(dp) );
    Object none = s.load( DataPoint.class, new Long(666));
    assertFalse( Hibernate.isInitialized(none) );
    
    t.commit();
    s.disconnect();

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    s.close();
    
    sclone.reconnect();
    t = sclone.beginTransaction();
    
    DataPoint sdp = (DataPoint) sclone.load( DataPoint.class, new Long( dp.getId() ) );
    assertSame(dp, sdp);
    assertFalse(sdp instanceof HibernateProxy);
    Object snone = sclone.load( DataPoint.class, new Long(666) );
    assertSame(none, snone);
    assertTrue(snone instanceof HibernateProxy);

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    t = sclone.beginTransaction();
    
    DataPoint sdp = (DataPoint) sclone.load( DataPoint.class, new Long( dp.getId() ) );
    assertSame(dp, sdp);
    assertFalse(sdp instanceof HibernateProxy);
    Object snone = sclone.load( DataPoint.class, new Long(666) );
    assertSame(none, snone);
    assertTrue(snone instanceof HibernateProxy);
    
    sclone.delete(dp);

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    dp.setY( new BigDecimal(2.0) );
    s.persist(dp);
    s.flush();
    s.clear();


    dp = (DataPoint) s.load( DataPoint.class, new Long(dp.getId() ));
    assertFalse( Hibernate.isInitialized(dp) );
    DataPoint dp2 = (DataPoint) s.get( DataPoint.class, new Long(dp.getId()) );
    assertSame(dp, dp2);
    assertTrue( Hibernate.isInitialized(dp) );
    s.clear();

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    DataPoint dp2 = (DataPoint) s.get( DataPoint.class, new Long(dp.getId()) );
    assertSame(dp, dp2);
    assertTrue( Hibernate.isInitialized(dp) );
    s.clear();


    dp = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ) );
    assertFalse( Hibernate.isInitialized(dp) );
    dp2 = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ), LockMode.NONE );
    assertSame(dp, dp2);
    assertFalse( Hibernate.isInitialized(dp) );
    s.clear();

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    assertTrue( Hibernate.isInitialized(dp) );
    s.clear();


    dp = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ) );
    assertFalse( Hibernate.isInitialized(dp) );
    dp2 = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ), LockMode.NONE );
    assertSame(dp, dp2);
    assertFalse( Hibernate.isInitialized(dp) );
    s.clear();


    dp = (DataPoint) s.load( DataPoint.class, new Long( dp.getId() ) );

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