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.setReadOnly( dp, true );
    checkReadOnly( s, dp,true );
    dp.setDescription( "changed" );
    assertTrue( Hibernate.isInitialized( dp ) );
    assertEquals( "changed", dp.getDescription() );
    s.evict( dp );
    assertFalse( s.contains( dp ) );
    s.update( dp );
    checkReadOnly( s, dp, false );
    assertEquals( "changed", dp.getDescription() );
    s.flush();

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    s = openSession();
    s.beginTransaction();
    p = ( Parent ) s.get( 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();
    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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                    entry.getArea().getRootentries().remove(entry.getKey());
                }
            }
            session.delete(_entity);
            _parent.commitHibernateTransaction();
            session.evict(_entity);
        }
        catch (ConstraintViolationException e) {
            throw new WGBackendException("Deletion of document failed because of database constraint violation", e);
        }
        catch (HibernateException e) {

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        for (final ScrollableResults results = query.scroll(ScrollMode.FORWARD_ONLY); results.next(); ) {
            final PersistentPortalEvent persistentPortalEvent = (PersistentPortalEvent)results.get(0);
            final PortalEvent portalEvent = this.toPortalEvent(persistentPortalEvent.getEventData(), persistentPortalEvent.getEventType());
            handler.apply(portalEvent);
            persistentPortalEvent.setAggregated(true);
            session.evict(persistentPortalEvent);
        }
    }


    @Override
    @RawEventsTransactional

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

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    // persist the record, then evict it, then make changes to it ("within" the session)
    PurchaseRecord record = new PurchaseRecord();
    record.setTimestamp(timestamp1);
    s.persist(record);
    s.flush();
    s.evict(record);
    
    record.setTimestamp(timestamp2);
    
    t.commit();
    s.close();

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    s.clear();


    list = s.createQuery( "from ProductLine" ).list();
    ProductLine pl = ( ProductLine ) list.get( 0 );
    ProductLine pl2 = ( ProductLine ) list.get( 1 );
    s.evict( pl2 );
    pl.getModels().size(); //fetch just one collection! (how can we write an assertion for that??)


    t.commit();
    s.close();

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