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Java > Open Source Codes > com > db4o > Order


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 class Order implements Orderable {
24     
25     private int i_major;
26     private int i_minor;
27     
28     public int compareTo(Object JavaDoc obj) {
29         if(obj instanceof Order){
30             Order other = (Order)obj;
31             int res = other.i_major - i_major;
32             if(res != 0){
33                 return res;
34             }
35             return other.i_minor - i_minor;
36         }
37         return 1;
38     }
39
40     public void hintOrder(int a_order, boolean a_major) {
41         if(a_major){
42             i_major = a_order;
43         }else{
44             i_minor = a_order;
45         }
46     }
47     
48     public boolean hasDuplicates(){
49         return true;
50     }
51 }
52
53
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