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Java > Open Source Codes > org > apache > commons > el > ArithmeticOperator


1 /*
2  * The Apache Software License, Version 1.1
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4  * Copyright (c) 1999 The Apache Software Foundation. All rights
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12  * notice, this list of conditions and the following disclaimer.
13  *
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15  * notice, this list of conditions and the following disclaimer in
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17  * distribution.
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20  * any, must include the following acknowlegement:
21  * "This product includes software developed by the
22  * Apache Software Foundation (http://www.apache.org/)."
23  * Alternately, this acknowlegement may appear in the software itself,
24  * if and wherever such third-party acknowlegements normally appear.
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28  * from this software without prior written permission. For written
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55
56 package org.apache.commons.el;
57
58 import javax.servlet.jsp.el.ELException JavaDoc;
59 import java.math.BigDecimal JavaDoc;
60 import java.math.BigInteger JavaDoc;
61
62 /**
63  *
64  * <p>This is the superclass for all binary arithmetic operators
65  *
66  * @author Nathan Abramson - Art Technology Group
67  * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
68  **/
69
70 public abstract class ArithmeticOperator
71   extends BinaryOperator
72 {
73   //-------------------------------------
74 /**
75    *
76    * Applies the operator to the given value
77    **/
78   public Object JavaDoc apply (Object JavaDoc pLeft,
79                Object JavaDoc pRight,
80                Logger pLogger)
81     throws ELException JavaDoc
82   {
83     return Coercions.applyArithmeticOperator (pLeft, pRight, this, pLogger);
84   }
85
86   //-------------------------------------
87 /**
88    *
89    * Applies the operator to the given double values, returning a double
90    **/
91   public abstract double apply (double pLeft, double pRight);
92   
93   //-------------------------------------
94 /**
95    *
96    * Applies the operator to the given double values, returning a double
97    **/
98   public abstract long apply (long pLeft, long pRight);
99   
100   //-------------------------------------
101
102     /**
103      *
104      * Applies the operator to the given BigDecimal values, returning a
105      * BigDecimal.
106      **/
107     public abstract BigDecimal JavaDoc apply(BigDecimal JavaDoc pLeft, BigDecimal JavaDoc pRight);
108
109     //-------------------------------------
110
111     /**
112      *
113      * Applies the operator to the given BigInteger values, returning a
114      * BigInteger.
115      **/
116     public abstract BigInteger JavaDoc apply(BigInteger JavaDoc pLeft, BigInteger JavaDoc pRight);
117
118     //-------------------------------------
119 }
120
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