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Java > Open Source Codes > com > db4o > YapBit


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;
22
23 /**
24  * @exclude
25  */
26 public final class YapBit{
27     
28     private int i_value;
29     
30     public YapBit(int a_value){
31         i_value = a_value;
32     }
33     
34     public void set(boolean a_bit){
35         i_value = i_value * 2;
36         if(a_bit){
37             i_value ++;
38         }
39     }
40     
41     public boolean get(){
42         double cmp = (double)i_value / 2;
43         i_value = i_value / 2;
44         return (cmp != i_value);
45     }
46     
47     public byte getByte(){
48         return (byte)i_value;
49     }
50 }
51
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