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Java > Open Source Codes > org > objectweb > jalisto > se > storage > raf > nolog > asynchro > DeleteWrapper


1 /*
2  * Jalisto - JAva LIght STOrage
3  * Copyright (C) 2000-2005 Xcalia http://www.xcalia.com
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
18  *
19  * Xcalia
20  * 71, rue Desnouettes
21  * 75014 Paris - France
22  * http://www.xcalia.com
23  */

24 package org.objectweb.jalisto.se.storage.raf.nolog.asynchro;
25
26 import org.objectweb.jalisto.se.api.internal.JalistoObject;
27 import org.objectweb.jalisto.se.exception.JalistoException;
28 import org.objectweb.jalisto.se.impl.InFileAddress;
29
30 import java.util.Collection JavaDoc;
31
32 public class DeleteWrapper extends DefaultActionWrapper {
33     public void doAction(PhysicalFileAccessNologAsynchroImpl access) {
34         access.internalDeleteFileObject(getJalistoObject().getIfa());
35     }
36
37     public void doExtentAction(String JavaDoc address, Collection JavaDoc c) {
38         c.remove(address);
39     }
40
41     public boolean canReadJalistoObject() {
42         return false;
43     }
44
45     public ActionWrapper upgradeToDelete(InFileAddress ifa) {
46         throw new JalistoException();
47     }
48
49     public ActionWrapper upgradeToInsert(JalistoObject insertedValue) {
50         ActionWrapper updateWrapper = new UpdateWrapper();
51         updateWrapper.setJalistoObject(insertedValue.getClone());
52         return updateWrapper;
53     }
54
55     public ActionWrapper upgradeToUpdate(JalistoObject updatedValue) {
56         throw new JalistoException();
57     }
58
59     public String JavaDoc toString() {
60         return "delete wrapper on " + getJalistoObject().getIfa();
61     }
62 }
63
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