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


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  * get the classname for an internal ID
29  */
30 final class MClassNameForID extends MsgD{
31     public final boolean processAtServer(YapServerThread serverThread) {
32         int id = _payLoad.readInt();
33         String JavaDoc name = "";
34         // FIXME: CS access through method
35 synchronized (streamLock()) {
36             try {
37                 YapClass yapClass = stream().getYapClass(id);
38                 if(yapClass != null){
39                     name = yapClass.getName();
40                 }
41                 
42             } catch (Throwable JavaDoc t) {
43                 if (Deploy.debug) {
44                     System.out.println("MClassNameForID failed");
45                 }
46             }
47         }
48         serverThread.write(Msg.CLASS_NAME_FOR_ID.getWriterForString(transaction(), name));
49         return true;
50     }
51 }
52
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