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    }