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Java > Open Source Codes > com > db4o > cs > messages > MDelete


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

21 package com.db4o.cs.messages;
22
23 import com.db4o.*;
24 import com.db4o.cs.*;
25
26 public final class MDelete extends MsgD {
27     public final boolean processAtServer(YapServerThread serverThread) {
28         YapReader bytes = this.getByteLoad();
29         YapStream stream = stream();
30         synchronized (streamLock()) {
31             Object JavaDoc obj = stream.getByID1(transaction(), bytes.readInt());
32             boolean userCall = bytes.readInt() == 1;
33             if (obj != null) {
34                 try {
35                     stream.delete1(transaction(), obj, userCall);
36                 } catch (Exception JavaDoc e) {
37                     if (Deploy.debug) {
38                         System.out.println("MsgD.Delete failed.");
39                     }
40                 }
41             }
42         }
43         return true;
44     }
45 }
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