Examples of org.hibernate.Session.saveOrUpdate()

org.hibernate.Session.saveOrUpdate()
Either {@link #save(Object)} or {@link #update(Object)} the giveninstance, depending upon resolution of the unsaved-value checks (see the manual for discussion of unsaved-value checking).
This operation cascades to associated instances if the association is mapped with cascade="save-update". @see Session#save(java.lang.Object) @see Session#update(Object object) @param object a transient or detached instance containing new or updated state @throws HibernateException


  public void testSaveOrUpdateManaged() {
    Session s = openSession();
    Transaction tx = s.beginTransaction();
    NumberedNode root = new NumberedNode( "root" );
    s.saveOrUpdate( root );
    tx.commit();


    tx = s.beginTransaction();
    NumberedNode child = new NumberedNode( "child" );
    root.addChild( child );

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    tx.commit();


    tx = s.beginTransaction();
    NumberedNode child = new NumberedNode( "child" );
    root.addChild( child );
    s.saveOrUpdate( root );
    assertFalse( s.contains( child ) );
    s.flush();
    assertTrue( s.contains( child ) );
    tx.commit();

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    SimpleJtaTransactionManagerImpl.getInstance().begin();
    Session s2 = openSession();
    try {
      s2.getTransaction().begin();
      s2.saveOrUpdate( child );
      fail();
    }
    catch ( HibernateException ex ) {
      // expected because parent is connected to s1
    }

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    boolean instrumented = FieldInterceptionHelper.isInstrumented( new NumberedNode() );


    Session s = openSession();
    Transaction tx = s.beginTransaction();
    NumberedNode root = new NumberedNode( "root" );
    s.saveOrUpdate( root );
    tx.commit();
    s.close();


    assertInsertCount( 1 );
    assertUpdateCount( 0 );

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    s1.evict( child.getParent() );
    assertFalse( s1.contains( child.getParent() ) );


    SimpleJtaTransactionManagerImpl.getInstance().begin();
    s2 = openSession();
     s2.saveOrUpdate( child );
    s2 = applyNonFlushedChangesToNewSessionCloseOldSession( s2 );
    child = ( Node ) getOldToNewEntityRefMap().get( child );
    assertTrue( s2.contains( child ) );
    assertFalse( s1.contains( child ) );
    assertTrue( s2.contains( child.getParent() ) );

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    assertUpdateCount( 0 );
    clearCounts();


    s = openSession();
    tx = s.beginTransaction();
    s.saveOrUpdate( root );
    tx.commit();
    s.close();


    assertInsertCount( 0 );
    assertUpdateCount( instrumented ? 0 : 1 );

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    prod = (Product) SerializationHelper.clone( prod );


    session = openSession();
    t = session.beginTransaction();
    session.saveOrUpdate(prod);
    t.commit();
    session.close();


    session = openSession();
    t = session.beginTransaction();

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    cv1.setText("expensive");
    ContractVariation cv2 = new ContractVariation(2, c);
    cv2.setText("more expensive");
    Session s = openSession();
    Transaction t = s.beginTransaction();
    s.saveOrUpdate(c);
    assertTrue( s.isReadOnly( c ) );
    assertTrue( s.isReadOnly( cv1 ) );
    assertTrue( s.isReadOnly( cv2 ) );
    t.commit();
    s.close();

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    ContractVariation cv2 = new ContractVariation(2, c);
    cv2.setText("more expensive");


    Session s = openSession();
    Transaction t = s.beginTransaction();
    s.saveOrUpdate( c );
    assertTrue( s.isReadOnly( c ) );
    assertTrue( s.isReadOnly( cv1 ) );
    assertTrue( s.isReadOnly( cv2 ) );
    t.commit();
    s.close();

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    s.persist( entity );
    s.merge( new VersionedEntity( "test", "test-2" ) );


    try {
      // control operation...
      s.saveOrUpdate( new VersionedEntity( "test", "test-3" ) );
      fail( "saveOrUpdate() should fail here" );
    }
    catch( NonUniqueObjectException expected ) {
      // expected behavior
    }

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