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.internal.*;
24:
25: public final class MGetInternalIDs extends MsgD implements
26: ServerSideMessage {
27: public final boolean processAtServer() {
28: Buffer bytes = this .getByteLoad();
29: long[] ids;
30: synchronized (streamLock()) {
31: try {
32: ids = stream().classMetadataForId(bytes.readInt())
33: .getIDs(transaction());
34: } catch (Exception e) {
35: ids = new long[0];
36: }
37: }
38: int size = ids.length;
39: MsgD message = Msg.ID_LIST.getWriterForLength(transaction(),
40: Const4.ID_LENGTH * (size + 1));
41: Buffer writer = message.payLoad();
42: writer.writeInt(size);
43: for (int i = 0; i < size; i++) {
44: writer.writeInt((int) ids[i]);
45: }
46: write(message);
47: return true;
48: }
49: }
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