Examples of org.hibernate.Session.evict()

org.hibernate.Session.evict()
Remove this instance from the session cache. Changes to the instance will not be synchronized with the database. This operation cascades to associated instances if the association is mapped with cascade="evict". @param object a persistent instance @throws HibernateException

    s.beginTransaction();
    // load the superclass proxy.
    Person pLoad = ( Person ) s.load( Person.class, new Long( e.getId() ) );
    assertTrue( pLoad instanceof HibernateProxy);
    // evict the proxy
    s.evict( pLoad );
    Employee pGet = ( Employee ) s.get( Person.class, new Long( e.getId() ));
    Employee pQuery = ( Employee ) s.createQuery( "from Person where id = :id" )
        .setLong( "id", e.getId() )
        .uniqueResult();
    Employee pCriteria = ( Employee ) s.createCriteria( Person.class )

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    s = openSession();
    t = s.beginTransaction();
    Container c = ( Container ) s.load( Container.class, container.getId() );
    assertFalse( Hibernate.isInitialized( c ) );
    s.evict( c );
    try {
      c.getName();
      fail( "expecting LazyInitializationException" );
    }
    catch( LazyInitializationException e ) {

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    c = ( Container ) s.load( Container.class, container.getId() );
    assertFalse( Hibernate.isInitialized( c ) );
    Info i = c.getInfo();
    assertTrue( Hibernate.isInitialized( c ) );
    assertFalse( Hibernate.isInitialized( i ) );
    s.evict( c );
    try {
      i.getDetails();
      fail( "expecting LazyInitializationException" );
    }
    catch( LazyInitializationException e ) {

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    s = openSession();
    s.beginTransaction();
    p = ( Parent ) s.load( Parent.class, "p" );
    // evict...
    s.evict( p );
    // now try to reattach...
    s.update( p );
    s.getTransaction().commit();
    s.close();

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    s = openSession();
    s.beginTransaction();
    Parent p = null;
    for (Iterator it = s.createQuery( "from Parent" ).iterate(); it.hasNext(); ) {
      if ( p != null) { s.evict(p); }
      p = (Parent) it.next();
      assertEquals( 1, p.getChildren().size() );
    }
    s.getTransaction().commit();
    s.close();

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    s = openSession();
    s.beginTransaction();
    for (Iterator it = s.createQuery( "from Parent" ).iterate(); it.hasNext(); ) {
      Parent p = (Parent) it.next();
      assertEquals( 1, p.getChildren().size() );
      s.evict(p);
    }
    s.getTransaction().commit();
    s.close();


    s = openSession();

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    assertTrue( s1.contains( child.getParent() ) );
    assertTrue( Hibernate.isInitialized( child ) );
    assertFalse( Hibernate.isInitialized( child.getChildren() ) );
    assertFalse( Hibernate.isInitialized( child.getParent() ) );
    assertTrue( s1.contains( child ) );
    s1.evict( child );
    assertFalse( s1.contains( child ) );
    assertTrue( s1.contains( child.getParent() ) );


    Session s2 = openSession();
    s2.getTransaction().begin();

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                List ObjectPhotoes = buildingObject.getPhotoes();
                List objectConstructionList = buildingObject.getConstructionTypes();
                buildingObject.setObjectId(null);


                session.save(buildingObject);
                session.evict(buildingObject);
                buildingObject = (BuildingObject) session.load(BuildingObject.class, buildingObject.getObjectId());
                List buildingAnswerList = new ArrayList();
                for (int j = 0; j < objectQuestions.size(); j++) {
                    ObjectAnswer objectAnswer = (ObjectAnswer) objectQuestions.get(j);
                    List answerList = objectAnswer.getAnswers();

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                    objectAnswer.setObjectAnswerPosition(new Integer(j));
                    session.save(objectAnswer);
                    objectAnswer.getAnswers().clear();
                    for (int k = 0; k < newAnswerList.size(); k++) {
                        Answer answer = (Answer) newAnswerList.get(k);
                        session.evict(answer);
                        answer = (Answer) session.load(Answer.class, answer.getAnswerId());
                        objectAnswer.getAnswers().add(answer);
                        objectAnswer.setObjectAnswerPosition(new Integer(j));
                        session.save(objectAnswer);
                    }

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                    List constructionQuestions = objectConstruction.getDocumentationQuestions();
                    List newDocumentationQuestions = new ArrayList();
                    session.save(objectConstruction);
                    List newConstructionExamples = new ArrayList();


                    session.evict(objectConstruction);
                    objectConstruction = (ObjectConstruction) session.load(ObjectConstruction.class, objectConstruction.getTypeId());
                    for (int k = 0; k < constructionQuestions.size(); k++) {
                        ObjectAnswer objectAnswer = (ObjectAnswer) constructionQuestions.get(k);
                        List answerList = objectAnswer.getAnswers();
                        //                    session.evict(objectAnswer);

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