1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.el;
18
19 import java.math.BigDecimal;
20 import java.math.BigInteger;
21
22 import javax.servlet.jsp.el.ELException;
23
24 /**
25 *
26 * <p>This is the superclass for all binary arithmetic operators
27 *
28 * @author Nathan Abramson - Art Technology Group
29 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $
30 **/
31
32 public abstract class ArithmeticOperator
33 extends BinaryOperator
34 {
35 //-------------------------------------
36 /**
37 *
38 * Applies the operator to the given value
39 **/
40 public Object apply (Object pLeft,
41 Object pRight)
42 throws ELException
43 {
44 return Coercions.applyArithmeticOperator (pLeft, pRight, this);
45 }
46
47 //-------------------------------------
48 /**
49 *
50 * Applies the operator to the given double values, returning a double
51 **/
52 public abstract double apply (double pLeft, double pRight);
53
54 //-------------------------------------
55 /**
56 *
57 * Applies the operator to the given double values, returning a double
58 **/
59 public abstract long apply (long pLeft, long pRight);
60
61 //-------------------------------------
62
63 /**
64 *
65 * Applies the operator to the given BigDecimal values, returning a
66 * BigDecimal.
67 **/
68 public abstract BigDecimal apply(BigDecimal pLeft, BigDecimal pRight);
69
70 //-------------------------------------
71
72 /**
73 *
74 * Applies the operator to the given BigInteger values, returning a
75 * BigInteger.
76 **/
77 public abstract BigInteger apply(BigInteger pLeft, BigInteger pRight);
78
79 //-------------------------------------
80 }