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55
56 package org.apache.commons.el;
57
58 import java.math.BigDecimal JavaDoc;
59 import java.math.BigInteger JavaDoc;
60
61 /**
62  *
63  * <p>The implementation of the multiply operator
64  *
65  * @author Nathan Abramson - Art Technology Group
66  * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
67  **/
68
69 public class MultiplyOperator
70   extends ArithmeticOperator
71 {
72   //-------------------------------------
73 // Singleton
74 //-------------------------------------
75
76   public static final MultiplyOperator SINGLETON =
77     new MultiplyOperator ();
78
79   //-------------------------------------
80 /**
81    *
82    * Constructor
83    **/
84   public MultiplyOperator ()
85   {
86   }
87
88   //-------------------------------------
89 // Expression methods
90 //-------------------------------------
91 /**
92    *
93    * Returns the symbol representing the operator
94    **/
95   public String JavaDoc getOperatorSymbol ()
96   {
97     return "*";
98   }
99
100   //-------------------------------------
101 /**
102    *
103    * Applies the operator to the given double values, returning a double
104    **/
105   public double apply (double pLeft,
106                double pRight
107                        )
108   {
109     return pLeft * pRight;
110   }
111   
112   //-------------------------------------
113 /**
114    *
115    * Applies the operator to the given double values, returning a double
116    **/
117   public long apply (long pLeft,
118              long pRight
119                      )
120   {
121     return pLeft * pRight;
122   }
123   
124   //-------------------------------------
125
126     /**
127      *
128      * Applies the operator to the given BigDecimal values, returning a BigDecimal.
129      **/
130     public BigDecimal JavaDoc apply(BigDecimal JavaDoc pLeft,
131                             BigDecimal JavaDoc pRight
132                             ) {
133         return pLeft.multiply(pRight);
134     }
135
136     //-------------------------------------
137
138     /**
139      *
140      * Applies the operator to the given BigInteger values, returning a BigInteger.
141      **/
142     public BigInteger JavaDoc apply(BigInteger JavaDoc pLeft,
143                             BigInteger JavaDoc pRight
144                             ) {
145         return pLeft.multiply(pRight);
146     }
147
148     //-------------------------------------
149 }
150
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