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Java > Open Source Codes > com > db4o > inside > freespace > FreespaceIxLength


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.inside.freespace;
22
23 import com.db4o.*;
24
25
26 class FreespaceIxLength extends FreespaceIx{
27     
28     FreespaceIxLength(YapFile file, MetaIndex metaIndex){
29         super(file, metaIndex);
30     }
31
32     void add(int address, int length) {
33         _index._handler.prepareComparison(new Integer JavaDoc(length));
34         _indexTrans.add(address, new Integer JavaDoc(length));
35     }
36
37     int address() {
38         return _visitor._key;
39     }
40
41     int length() {
42         return _visitor._value;
43     }
44
45     void remove(int address, int length) {
46         _index._handler.prepareComparison(new Integer JavaDoc(length));
47         _indexTrans.remove(address, new Integer JavaDoc(length));
48     }
49
50 }
51
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