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Java > Open Source Codes > org > objectweb > medor > expression > lib > UMinus


1 /**
2  * MEDOR: Middleware Enabling Distributed Object Requests
3  *
4  * Copyright (C) 2001-2003 France Telecom R&D
5  * Contact: alexandre.lefebvre@rd.francetelecom.com
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  *
21  * Initial developers: M. Alia, A. Lefebvre
22  */
23
24 package org.objectweb.medor.expression.lib;
25
26 import org.objectweb.medor.expression.api.Expression;
27 import org.objectweb.medor.expression.api.Operator;
28
29 public class UMinus extends BasicUnaryArithmeticOperator {
30
31     public UMinus() {
32     }
33
34     public UMinus(Expression e) {
35         super(e);
36     }
37
38     public int evaluate(int op) {
39         return -op;
40     }
41
42     public int evaluate(short op) {
43         return -op;
44     }
45
46     public long evaluate(long op) {
47         return -op;
48     }
49
50     public float evaluate(float op) {
51         return -op;
52     }
53
54     public int evaluate(byte op) {
55         return -op;
56     }
57
58     public double evaluate(double op) {
59         return -op;
60     }
61
62     public String JavaDoc getOperatorString() {
63         return Operator.UMINUS;
64     }
65 }
66
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