2 * $Id: MediaDAO.java,v 1.1 2004/11/06 16:20:48 idfx Exp $
4 * Copyright (C) 2001, 2002, 2003, 2004 The Mir-coders group
6 * This file is part of Mir.
8 * Mir is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * Mir is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with Mir; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * In addition, as a special exception, The Mir-coders gives permission to link
23 * the code of this program with any library licensed under the Apache Software License,
24 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
25 * (or with modified versions of the above that use the same license as the above),
26 * and distribute linked combinations including the two. You must obey the
27 * GNU General Public License in all respects for all of the code used other than
28 * the above mentioned libraries. If you modify this file, you may extend this
29 * exception to your version of the file, but you are not obligated to do so.
30 * If you do not wish to do so, delete this exception statement from your version.
32 package org.codecoop.mir.core.dao.hibernate;
34 import java.util.Iterator;
36 import net.sf.hibernate.Hibernate;
37 import net.sf.hibernate.HibernateException;
39 import org.codecoop.mir.core.dao.DatabaseFailure;
40 import org.codecoop.mir.core.dao.IMediaDAO;
41 import org.codecoop.mir.core.model.Media;
46 * @version $Revision: 1.1 $
48 public class MediaDAO extends AbstractDAO implements IMediaDAO {
51 * @see org.codecoop.mir.core.dao.hibernate.AbstractDAO#getReferenceClass()
53 protected Class getReferenceClass() {
58 * @see org.codecoop.mir.core.dao.hibernate.AbstractDAO#initializeCollections(java.lang.Object)
60 protected void initializeCollections(Object o) throws DatabaseFailure {
61 if (o instanceof Media) {
62 Media media = (Media) o;
64 Hibernate.initialize(media.getRelatedMedias());
65 } catch (HibernateException e) {
66 throw new DatabaseFailure(e);
72 * @see org.codecoop.mir.core.dao.IDAO#delete(java.lang.Object)
74 public void delete(Object obj) throws DatabaseFailure {
75 if (obj instanceof Media) {
76 Media media = (Media) obj;
77 //TODO perhaps there could be a smarter way
78 //delete all media relations which have the media to be deleted as target
79 for (Iterator iter = media.getRelatedMedias().keySet().iterator();
81 Media target = (Media) iter.next();
82 for (Iterator iterator = target.getRelatedMedias().keySet().iterator();
83 iterator.hasNext();) {
84 Media m = (Media) iterator.next();
86 target.getRelatedMedias().remove(m);