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


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
27 /**
28  *
29  */
30 public class MObjectByUuid extends MsgD {
31     public final boolean processAtServer(YapServerThread serverThread) {
32         long uuid = readLong();
33         byte[] signature = readBytes();
34         int id = 0;
35         Transaction trans = transaction();
36         synchronized (streamLock()) {
37             try {
38                 Object JavaDoc[] arr = trans.objectAndYapObjectBySignature(uuid, signature);
39                 if(arr[1] != null){
40                     YapObject yo = (YapObject)arr[1];
41                     id = yo.getID();
42                 }
43             } catch (Exception JavaDoc e) {
44                 if(Deploy.debug){
45                     e.printStackTrace();
46                 }
47             }
48         }
49         serverThread.write(Msg.OBJECT_BY_UUID.getWriterForInt(trans, id));
50         return true;
51     }
52 }
53
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