001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.el;
018
019 import java.math.BigDecimal;
020 import java.math.BigInteger;
021
022 import javax.servlet.jsp.el.ELException;
023
024 /**
025 *
026 * <p>This is the superclass for all binary arithmetic operators
027 *
028 * @author Nathan Abramson - Art Technology Group
029 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $
030 **/
031
032 public abstract class ArithmeticOperator
033 extends BinaryOperator
034 {
035 //-------------------------------------
036 /**
037 *
038 * Applies the operator to the given value
039 **/
040 public Object apply (Object pLeft,
041 Object pRight)
042 throws ELException
043 {
044 return Coercions.applyArithmeticOperator (pLeft, pRight, this);
045 }
046
047 //-------------------------------------
048 /**
049 *
050 * Applies the operator to the given double values, returning a double
051 **/
052 public abstract double apply (double pLeft, double pRight);
053
054 //-------------------------------------
055 /**
056 *
057 * Applies the operator to the given double values, returning a double
058 **/
059 public abstract long apply (long pLeft, long pRight);
060
061 //-------------------------------------
062
063 /**
064 *
065 * Applies the operator to the given BigDecimal values, returning a
066 * BigDecimal.
067 **/
068 public abstract BigDecimal apply(BigDecimal pLeft, BigDecimal pRight);
069
070 //-------------------------------------
071
072 /**
073 *
074 * Applies the operator to the given BigInteger values, returning a
075 * BigInteger.
076 **/
077 public abstract BigInteger apply(BigInteger pLeft, BigInteger pRight);
078
079 //-------------------------------------
080 }