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Java > Open Source Codes > com > db4o > nativequery > expr > cmp > ArithmeticOperator


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.nativequery.expr.cmp;
22
23 public final class ArithmeticOperator {
24     public final static int ADD_ID=0;
25     public final static int SUBTRACT_ID=1;
26     public final static int MULTIPLY_ID=2;
27     public final static int DIVIDE_ID=3;
28     
29     public final static ArithmeticOperator ADD=new ArithmeticOperator(ADD_ID,"+");
30     public final static ArithmeticOperator SUBTRACT=new ArithmeticOperator(SUBTRACT_ID,"-");
31     public final static ArithmeticOperator MULTIPLY=new ArithmeticOperator(MULTIPLY_ID,"*");
32     public final static ArithmeticOperator DIVIDE=new ArithmeticOperator(DIVIDE_ID,"/");
33     
34     private String JavaDoc _op;
35     private int _id;
36     
37     private ArithmeticOperator(int id,String JavaDoc op) {
38         _id=id;
39         _op=op;
40     }
41     
42     public int id() {
43         return _id;
44     }
45     
46     public String JavaDoc toString() {
47         return _op;
48     }
49 }
50
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