Example usage for org.hibernate Session load

Introduction

In this page you can find the example usage for org.hibernate Session load.

Prototype

void load(Object object, Serializable id);

Source Link

Document

Read the persistent state associated with the given identifier into the given transient instance.

Usage

From source file:com.gianburga.servicios.model.TecnicoDAOImpl.java

@Override
public Tecnico get(int id) {
    Session session = mySessionFactory.getCurrentSession();
    session.beginTransaction();/*from www . ja v a 2 s  .  co m*/
    return (Tecnico) session.load(Tecnico.class, id);
}

From source file:com.github.snd297.hibernatecollections.PublicCollectionTest.java

License:Apache License

@Test
public void fixedCollection() throws Exception {
    Session sess = null;
    Transaction trx = null;//from  w w w  .  ja v  a  2  s  .  c  om
    Long newWheel0Id = null;
    Long newWheel1Id = null;
    try {
        sess = HibernateUtil.getSessionFactory().openSession();

        trx = sess.beginTransaction();

        Bicycle bicycle = (Bicycle) sess.load(Bicycle.class, bicycleId);
        Set<Wheel> wheels = bicycle.getWheels();

        assertTrue(wheels instanceof PersistentCollection);

        Wheel newWheel0 = new Wheel(bicycle);
        Wheel newWheel1 = new Wheel(bicycle);

        sess.save(newWheel0);
        sess.save(newWheel1);

        Set<Wheel> newWheels = newHashSet(newWheel0, newWheel1);

        bicycle.getWheels().clear();
        bicycle.getWheels().addAll(newWheels);
        trx.commit();

        newWheel0Id = newWheel0.getId();
        newWheel1Id = newWheel1.getId();

    } catch (Exception e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }

    try {
        sess = HibernateUtil.getSessionFactory().openSession();

        trx = sess.beginTransaction();

        Bicycle bicycle = (Bicycle) sess.load(Bicycle.class, bicycleId);
        Set<Wheel> wheels = bicycle.getWheels();

        assertEquals(2, wheels.size());

        assertNotNull(find(wheels, compose(equalTo(newWheel0Id), IHasLongId.getId), null));

        assertNotNull(find(wheels, compose(equalTo(newWheel1Id), IHasLongId.getId), null));

        trx.commit();
    } catch (Exception e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }
}

From source file:com.github.snd297.yp.finalentities.persistence.FinalEntitiesTest.java

License:Apache License

@Test
public void finalNoProxy() throws Exception {
    SessionFactory sessFac = HibernateUtil.getSessionFactory();
    Session sess = null;
    Transaction trx = null;// w  w  w.  j a  v  a2s  .c  o  m
    try {
        sess = sessFac.openSession();
        trx = sess.beginTransaction();

        SpokeInFinalWheel spoke = (SpokeInFinalWheel) sess.load(SpokeInFinalWheel.class, finalSpokeId);

        FinalWheel wheel = spoke.getWheel();

        assertFalse((Object) wheel instanceof HibernateProxy);

        trx.commit();
    } catch (Exception e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }
}

From source file:com.github.snd297.yp.finalentities.persistence.FinalEntitiesTest.java

License:Apache License

@Test
public void proxy() throws Exception {
    SessionFactory sessFac = HibernateUtil.getSessionFactory();
    Session sess = null;
    Transaction trx = null;//from   w w w .ja  v  a2  s  . c  o m
    try {
        sess = sessFac.openSession();
        trx = sess.beginTransaction();

        Spoke spoke = (Spoke) sess.load(Spoke.class, spokeId);

        Wheel wheel = spoke.getWheel();

        assertTrue(wheel instanceof HibernateProxy);
        assertFalse(Hibernate.isInitialized(wheel));

        trx.commit();
    } catch (Exception e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }
}

From source file:com.github.snd297.yp.hibernatecollections.persistence.PublicCollectionTest.java

License:Apache License

@Test(expected = HibernateException.class)
public void orphanedCollection() {
    Session sess = null;
    Transaction trx = null;//from  www.  j a v  a2  s  . c om
    try {
        sess = HibernateUtil.getSessionFactory().openSession();

        trx = sess.beginTransaction();

        BadBicycle bicycle = (BadBicycle) sess.load(BadBicycle.class, badBicycleId);

        Set<WheelInBadBicycle> wheels = bicycle.getWheels();

        assertEquals(2, bicycle.getWheels().size());
        assertTrue(wheels instanceof PersistentCollection);

        WheelInBadBicycle newWheel0 = new WheelInBadBicycle(bicycle);
        WheelInBadBicycle newWheel1 = new WheelInBadBicycle(bicycle);

        sess.save(newWheel0);
        sess.save(newWheel1);

        Set<WheelInBadBicycle> newWheels = newHashSet(newWheel0, newWheel1);

        bicycle.setWheels(newWheels);
        sess.flush();
        try {
            trx.commit();
        } catch (HibernateException he) {
            assertTrue(he.getMessage().equals(
                    "A collection with cascade=\"all-delete-orphan\" was no longer referenced by the owning entity instance: com.github.snd297.yp.hibernatecollections.model.BadBicycle.wheels"));
            throw he;
        }
    } catch (RuntimeException e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }
}

From source file:com.github.snd297.yp.hibernatecollections.persistence.PublicCollectionTest.java

License:Apache License

@Test
public void fixedCollection() {
    Session sess = null;
    Transaction trx = null;// www. j ava 2s . c o m
    Long newWheel0Id = null;
    Long newWheel1Id = null;
    try {
        sess = HibernateUtil.getSessionFactory().openSession();

        trx = sess.beginTransaction();

        Bicycle bicycle = (Bicycle) sess.load(Bicycle.class, bicycleId);
        Set<Wheel> wheels = bicycle.getWheels();

        assertEquals(2, bicycle.getWheels().size());
        assertTrue(wheels instanceof PersistentCollection);

        Wheel newWheel0 = new Wheel(bicycle);
        Wheel newWheel1 = new Wheel(bicycle);

        sess.save(newWheel0);
        sess.save(newWheel1);

        Set<Wheel> newWheels = newHashSet(newWheel0, newWheel1);

        bicycle.getWheels().clear();
        bicycle.getWheels().addAll(newWheels);
        trx.commit();

        newWheel0Id = newWheel0.getId();
        newWheel1Id = newWheel1.getId();

    } catch (RuntimeException e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }

    try {
        sess = HibernateUtil.getSessionFactory().openSession();

        trx = sess.beginTransaction();

        Bicycle bicycle = (Bicycle) sess.load(Bicycle.class, bicycleId);
        Set<Wheel> wheels = bicycle.getWheels();

        assertEquals(2, wheels.size());

        assertNotNull(find(wheels, compose(equalTo(newWheel0Id), IHasLongId.getId), null));

        assertNotNull(find(wheels, compose(equalTo(newWheel1Id), IHasLongId.getId), null));

        trx.commit();
    } catch (RuntimeException e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }
}

From source file:com.github.snd297.yp.hibernatecollections.persistence.PublicCollectionTest.java

License:Apache License

@Test(expected = HibernateException.class)
public void bandOwningSide() {
    Session sess = null;
    Transaction trx = null;/*w  w w  .j  a v a 2  s  . c o m*/
    try {
        sess = HibernateUtil.getSessionFactory().openSession();

        trx = sess.beginTransaction();

        BandOwningSide band = (BandOwningSide) sess.load(BandOwningSide.class, bandOwningSideId);

        assertEquals(2, band.getMembers().size());
        assertTrue(band.getMembers() instanceof PersistentCollection);

        BandMember newMember0 = new BandMember();
        sess.save(newMember0);
        BandMember newMember1 = new BandMember();
        sess.save(newMember1);

        Set<BandMember> newMembers = newHashSet(newMember0, newMember1);

        band.setMembers(newMembers);
        try {
            trx.commit();
        } catch (HibernateException he) {
            assertTrue(he.getMessage().equals(
                    "A collection with cascade=\"all-delete-orphan\" was no longer referenced by the owning entity instance: "
                            + BandOwningSide.class.getName() + ".members"));
            throw he;
        }
    } catch (RuntimeException e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }
}

From source file:com.github.snd297.yp.hibernatecollections.persistence.PublicCollectionTest.java

License:Apache License

@Test(expected = HibernateException.class)
public void bandFk() {
    Session sess = null;
    Transaction trx = null;/*w  ww .  j a va 2s. c  o m*/
    try {
        sess = HibernateUtil.getSessionFactory().openSession();

        trx = sess.beginTransaction();

        BandWithForeignKey band = (BandWithForeignKey) sess.load(BandWithForeignKey.class, bandFkId);

        assertEquals(2, band.getMembers().size());
        assertTrue(band.getMembers() instanceof PersistentCollection);

        BandMemberWithForeignKey newMember0 = new BandMemberWithForeignKey();
        sess.save(newMember0);

        BandMemberWithForeignKey newMember1 = new BandMemberWithForeignKey();
        sess.save(newMember1);

        Set<BandMemberWithForeignKey> newMembers = newHashSet(newMember0, newMember1);

        band.setMembers(newMembers);
        try {
            trx.commit();
        } catch (HibernateException he) {
            assertTrue(he.getMessage().equals(
                    "A collection with cascade=\"all-delete-orphan\" was no longer referenced by the owning entity instance: "
                            + BandWithForeignKey.class.getName() + ".members"));
            throw he;
        }
    } catch (RuntimeException e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(sess);
    }
}

From source file:com.github.snd297.yp.proxies.persistence.InstanceofTest.java

License:Apache License

@Test
public void whatToDo() {
    Session session = null;
    Transaction trx = null;/*from  w  w  w .  ja va 2 s.com*/
    try {
        session = HibernateUtil.getSessionFactory().openSession();
        trx = session.beginTransaction();

        Shape squareShape = (Shape) session.load(Shape.class, squareId);
        assertTrue(squareShape instanceof HibernateProxy);
        Hibernate.initialize(squareShape);

        Shape circleShape = (Shape) session.load(Shape.class, circleId);
        assertTrue(circleShape instanceof HibernateProxy);
        Hibernate.initialize(circleShape);

        List<Shape> shapes = newArrayList(squareShape, circleShape);
        boolean foundRectangle = false, foundCircle = false;
        for (Shape shape : shapes) {
            if (HibernateUtil.isInstanceOf(shape, Rectangle.class)) {
                Rectangle squareRectangle = (Rectangle) session.load(Rectangle.class, shape.getId());
                assertTrue(squareRectangle instanceof HibernateProxy);
                Hibernate.initialize(squareRectangle);

                // This is something to be aware of, this is why we get the warning:
                // HHH000179: Narrowing proxy to class
                // com.github.snd297.yp.proxies.model.Square - this operation breaks
                // ==
                assertNotEquals(shape, squareRectangle);
                assertEquals(shape.getId(), squareRectangle.getId());

                foundRectangle = true;
            } else if (HibernateUtil.isInstanceOf(shape, Circle.class)) {
                Circle circle = (Circle) session.load(Circle.class, shape.getId());
                assertTrue(circle instanceof HibernateProxy);
                Hibernate.initialize(circle);

                // This is something to be aware of, this is why we get the warning:
                // HHH000179: Narrowing proxy to class
                // com.github.snd297.yp.proxies.model.Circle - this operation breaks
                // ==
                assertNotEquals(shape, circle);
                assertEquals(shape.getId(), circle.getId());

                foundCircle = true;
            }
        }
        trx.commit();
        assertTrue(foundRectangle);
        assertTrue(foundCircle);
    } catch (RuntimeException e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(session);
    }
}

From source file:com.github.snd297.yp.proxies.persistence.InstanceofTest.java

License:Apache License

@Test
public void instanceofASquare() {
    Session session = null;
    Transaction trx = null;/* w  w w.  j  av a 2s.c  om*/
    try {
        session = HibernateUtil.getSessionFactory().openSession();
        trx = session.beginTransaction();

        Shape gotSquare = (Shape) session.get(Shape.class, squareId);
        assertTrue(gotSquare instanceof Square);
        assertFalse(gotSquare instanceof HibernateProxy);

        Shape loadedSquare = (Shape) session.load(Shape.class, squareId);
        assertSame(loadedSquare, gotSquare);

        trx.commit();
    } catch (RuntimeException e) {
        HibernateUtil.rollbackQuietly(trx);
        throw e;
    } finally {
        HibernateUtil.closeQuietly(session);
    }
}