01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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.internal.cs.messages;
22:
23: import com.db4o.*;
24: import com.db4o.internal.*;
25: import com.db4o.internal.cs.*;
26: import com.db4o.reflect.generic.GenericClass;
27:
28: public class MClassMeta extends MsgObject implements ServerSideMessage {
29: public boolean processAtServer() {
30: ObjectContainerBase stream = stream();
31: unmarshall();
32: try {
33: synchronized (streamLock()) {
34: ClassInfo classMeta = (ClassInfo) readObjectFromPayLoad();
35: GenericClass genericClass = stream.getClassMetaHelper()
36: .classMetaToGenericClass(stream().reflector(),
37: classMeta);
38: if (genericClass != null) {
39:
40: Transaction trans = stream.systemTransaction();
41:
42: ClassMetadata yapClass = stream
43: .produceClassMetadata(genericClass);
44: if (yapClass != null) {
45: stream.checkStillToSet();
46: yapClass.setStateDirty();
47: yapClass.write(trans);
48: trans.commit();
49: StatefulBuffer returnBytes = stream
50: .readWriterByID(trans, yapClass.getID());
51: write(Msg.OBJECT_TO_CLIENT
52: .getWriter(returnBytes));
53: return true;
54: }
55: }
56: }
57: } catch (Exception e) {
58: if (Debug.atHome) {
59: e.printStackTrace();
60: }
61: }
62: write(Msg.FAILED);
63: return true;
64: }
65:
66: }
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