rp.expn
Class UnaryOperatorExpn

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

All Implemented Interfaces:

java.util.Observer

Direct Known Subclasses:

NegateExpn

public abstract class UnaryOperatorExpn

extends OperatorExpn

A unary operation in an expression tree.

Version:

$Revision: 1.1 $, $Date: 2001/05/23 18:45:14 $

Field Summary

Fields inherited from class rp.expn.OperatorExpn

operands

Constructor Summary

UnaryOperatorExpn(Expn operand)
Construct a new unary operator with the given operand.

Method Summary

Expn	getUnaryOperand() Gets the unary operand.
void	setUnaryOperand(Expn operand) Sets the unary 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

UnaryOperatorExpn

public UnaryOperatorExpn(Expn operand)

Construct a new unary operator with the given operand.

Parameters:

operand - the unary operand

Method Detail

setUnaryOperand

public void setUnaryOperand(Expn operand)

Sets the unary operand.

Parameters:

operand - the new unary operand

getUnaryOperand

public Expn getUnaryOperand()

Gets the unary operand.

Returns:

the unary operand