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


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 MWriteNew extends MsgObject {
27     
28     public final boolean processAtServer(YapServerThread serverThread) {
29         int yapClassId = _payLoad.readInt();
30         YapFile stream = (YapFile)stream();
31         unmarshall(YapConst.INT_LENGTH);
32         synchronized (streamLock()) {
33             YapClass yc = yapClassId == 0 ? null : stream.getYapClass(yapClassId);
34             _payLoad.writeEmbedded();
35             stream.prefetchedIDConsumed(_payLoad.getID());
36             _payLoad.address(stream.getSlot(_payLoad.getLength()));
37             if(yc != null){
38                 yc.addFieldIndices(_payLoad,null);
39             }
40             stream.writeNew(yc, _payLoad);
41             transaction().writePointer(
42                 _payLoad.getID(),
43                 _payLoad.getAddress(),
44                 _payLoad.getLength());
45         }
46         return true;
47     }
48 }
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