com.klg.jclass.util.formulae
Class Multiply

java.lang.Object
  |
  +--com.klg.jclass.util.formulae.Operation
        |
        +--com.klg.jclass.util.formulae.Multiply

All Implemented Interfaces:

Cloneable, Expression

public class Multiply

extends Operation

This is a concrete implementation for the multiplication "*" operation. Multiplication is normally the product of a pair of elements, *???but we also permit the multiplication of two lists???*.

Field Summary

Fields inherited from class com.klg.jclass.util.formulae.Operation

leftOperand, rightOperand

Constructor Summary

Multiply()
Create a multiply operation

Multiply(com.klg.jclass.util.formulae.Expression ex1, com.klg.jclass.util.formulae.Expression ex2)
Create an operation to multiply a given pair of Expressions

Multiply(com.klg.jclass.util.formulae.Expression left, Number right)
Create an operation to multiply an Expression and a Number

Multiply(Number left, com.klg.jclass.util.formulae.Expression right)
Create an operation to multiply a Number and an Expression

Multiply(Number left, Number right)
Create an operation to multiply two Numbers

Method Summary

com.klg.jclass.util.formulae.Result

evaluate() Return the result of multiplying the operands

Methods inherited from class com.klg.jclass.util.formulae.Operation

clone

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Multiply

public Multiply()

Create a multiply operation

Multiply

public Multiply(com.klg.jclass.util.formulae.Expression ex1,
                com.klg.jclass.util.formulae.Expression ex2)

Create an operation to multiply a given pair of Expressions

Multiply

public Multiply(com.klg.jclass.util.formulae.Expression left,
                Number right)

Create an operation to multiply an Expression and a Number

Multiply

public Multiply(Number left,
                com.klg.jclass.util.formulae.Expression right)

Create an operation to multiply a Number and an Expression

Multiply

public Multiply(Number left,
                Number right)

Create an operation to multiply two Numbers

Method Detail

evaluate

public com.klg.jclass.util.formulae.Result evaluate()

Return the result of multiplying the operands

Specified by:

evaluate in interface Expression

Specified by:

evaluate in class Operation

Returns:

The result of the first operand multiplied by the second