rp.expn
Class BinaryOperatorExpn

java.lang.Object
  |
  +--java.util.Observable
        |
        +--rp.expn.Expn
              |
              +--rp.expn.OperatorExpn
                    |
                    +--rp.expn.BinaryOperatorExpn

All Implemented Interfaces:

java.util.Observer

Direct Known Subclasses:

AddExpn, DivideExpn, MultiplyExpn, SubtractExpn

public abstract class BinaryOperatorExpn

extends OperatorExpn

A generic node in an expression tree.

Version:

$Revision: 1.1 $, $Date: 2001/05/23 18:44:53 $

Field Summary

Fields inherited from class rp.expn.OperatorExpn

operands

Constructor Summary

BinaryOperatorExpn(Expn left, Expn right)
Construct a new binary operator with the given operands.

Method Summary

Expn	getLeft() Gets the left operand.
Expn	getRight() Gets the right operand.
void	setLeft(Expn left) Sets the left operand.
void	setRight(Expn right) Sets the right operand.

Methods inherited from class rp.expn.OperatorExpn

getNumOperands, getOperand, getOperand, setNumOperands, setOperand, setOperand, update

Methods inherited from class rp.expn.Expn

getScalarMean

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryOperatorExpn

public BinaryOperatorExpn(Expn left,
                          Expn right)

Construct a new binary operator with the given operands.

Parameters:

left - the left operand

right - the right operand

Method Detail

setLeft

public void setLeft(Expn left)

Sets the left operand.

Parameters:

left - the new left operand

getLeft

public Expn getLeft()

Gets the left operand.

Returns:

the left operand

setRight

public void setRight(Expn right)

Sets the right operand.

Parameters:

right - the new right operand

getRight

public Expn getRight()

Gets the right operand.

Returns:

the right operand