| /* |
| * Copyright (c) 2008-2012 Eike Stepper (Loehne, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Martin Taal - copied from CDORevisionPropertyHandler and adapted |
| * Eike Stepper - maintenance |
| */ |
| package org.eclipse.emf.cdo.server.internal.hibernate.tuplizer; |
| |
| import org.eclipse.emf.cdo.common.id.CDOID; |
| import org.eclipse.emf.cdo.common.id.CDOIDObject; |
| import org.eclipse.emf.cdo.common.id.CDOIDTemp; |
| import org.eclipse.emf.cdo.common.model.CDOClassifierRef; |
| import org.eclipse.emf.cdo.common.revision.CDORevision; |
| import org.eclipse.emf.cdo.server.internal.hibernate.HibernateCommitContext; |
| import org.eclipse.emf.cdo.server.internal.hibernate.HibernateThreadContext; |
| import org.eclipse.emf.cdo.server.internal.hibernate.HibernateUtil; |
| import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision; |
| |
| import org.hibernate.HibernateException; |
| |
| /** |
| * @author Martin Taal |
| */ |
| public class CDOIDPropertyGetter extends CDOPropertyGetter |
| { |
| private static final long serialVersionUID = 1L; |
| |
| public CDOIDPropertyGetter(CDORevisionTuplizer tuplizer, String propertyName) |
| { |
| super(tuplizer, propertyName); |
| } |
| |
| @Override |
| public Object get(Object target) throws HibernateException |
| { |
| if (target instanceof CDOID) |
| { |
| return target; |
| } |
| InternalCDORevision revision = (InternalCDORevision)target; |
| if (!(HibernateUtil.getInstance().getCDOID(revision) instanceof CDOIDObject)) |
| { |
| if (!isVirtualProperty()) |
| { |
| final Object value = super.get(target); |
| // todo: value can be null for generated values? |
| if (value != null) |
| { |
| setCDOID(revision, value); |
| } |
| |
| return value; |
| } |
| |
| return null; |
| } |
| |
| if (isVirtualProperty()) |
| { |
| return HibernateUtil.getInstance().getIdValue(revision.getID()); |
| } |
| |
| Object id = super.get(target); |
| setCDOID(revision, id); |
| |
| // TODO: does this make sense? |
| // if (id.getId() == null) |
| // { |
| // id.setId((Serializable)id); |
| // } |
| return id; |
| } |
| |
| private void setCDOID(CDORevision target, Object value) |
| { |
| final InternalCDORevision revision = (InternalCDORevision)target; |
| final CDOID id = HibernateUtil.getInstance().getCDOID(revision); |
| if (id == null || id instanceof CDOIDTemp) |
| { |
| final CDOID newCDOID = HibernateUtil.getInstance().createCDOID(new CDOClassifierRef(revision.getEClass()), value); |
| revision.setID(newCDOID); |
| if (HibernateThreadContext.isCommitContextSet()) |
| { |
| final HibernateCommitContext commitContext = HibernateThreadContext.getCommitContext(); |
| commitContext.setNewID(id, newCDOID); |
| if (id instanceof CDOIDTemp) |
| { |
| commitContext.getCommitContext().addIDMapping(id, newCDOID); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected boolean isVirtualPropertyAllowed() |
| { |
| return true; |
| } |
| } |