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;
22:
23: import com.db4o.internal.handlers.*;
24:
25: /**
26: * improves YInt performance slightly by not doing checks
27: * and by doing the comparison with a substraction
28: * @exclude
29: */
30: public class PrimitiveIntHandler extends IntHandler {
31:
32: public PrimitiveIntHandler(ObjectContainerBase stream) {
33: super (stream);
34: }
35:
36: public Comparable4 prepareComparison(Object obj) {
37: _currentInteger = ((Integer) obj);
38: _currentInt = _currentInteger.intValue();
39: return this ;
40: }
41:
42: private Integer _currentInteger;
43:
44: private int _currentInt;
45:
46: public int compareTo(Object obj) {
47: return val(obj) - _currentInt;
48: }
49:
50: }
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