KickJava   Java API By Example, From Geeks To Geeks.

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


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 MGetClasses extends MsgD {
27     public final boolean processAtServer(YapServerThread serverThread) {
28         YapStream stream = stream();
29         synchronized (streamLock()) {
30             try {
31
32                 // Since every new Client reads the class
33 // collection from the file, we have to
34 // make sure, it has been written.
35 stream.classCollection().write(transaction());
36
37             } catch (Exception JavaDoc e) {
38                 if (Deploy.debug) {
39                     System.out.println("Msg.GetConfig failed.");
40                 }
41             }
42         }
43         MsgD message = Msg.GET_CLASSES.getWriterForLength(transaction(), YapConst.INT_LENGTH + 1);
44         YapReader writer = message.payLoad();
45         writer.writeInt(stream.classCollection().getID());
46         writer.append(stream.stringIO().encodingByte());
47         serverThread.write(message);
48         return true;
49     }
50 }
Popular Tags