gpsys.primitives
Class Not

java.lang.Object
  |
  +--gpsys.Primitive
        |
        +--gpsys.Function
              |
              +--gpsys.primitives.Not

public class Not

extends Function

	BOOLEAN not(BOOLEAN value)
 

Not is a boolean function that returns the logical "negation" of its one argument.

Version:

$Revision: 1.1 $, $Date: 2000/07/05 16:24:33 $

Author:

Adil Qureshi

Department of Computer Science,

University College London,

Gower St,

London WC1E 6BT,

UK.

See Also:

Type, Primitive, Function, Serialized Form

Fields inherited from class gpsys.Function

argTypes

Fields inherited from class gpsys.Primitive

type

Constructor Summary

Not()
Construct an instance of the Not Function.

Method Summary

boolean	evaluateBoolean(Individual i, Gene[] arguments) Perform the logical Not of the one argument and return the result.
Primitive	instance() Creates an instance of this And Function.
java.lang.String	toString() Returns a String representation of this Function.

Methods inherited from class gpsys.Function

evaluateByte, evaluateChar, evaluateDouble, evaluateFloat, evaluateInt, evaluateLong, evaluateObject, evaluateShort

Methods inherited from class java.lang.Object

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

Constructor Detail

Not

public Not()

Construct an instance of the Not Function. The Not Function is of BOOLEAN Type and is hence typed accordingly.

Method Detail

evaluateBoolean

public final boolean evaluateBoolean(Individual i,
                                     Gene[] arguments)
                              throws EvaluationException

Perform the logical Not of the one argument and return the result.

Parameters:

i - The individual being evaluated.

arguments - The Gene tree representing the argument to be Noted.

Returns:

A boolean representing the logical Not of the argument.

Throws:

EvaluationException - If there is an evaluation failure.

Overrides:

evaluateBoolean in class Function

instance

public final Primitive instance()

Creates an instance of this And Function.

Returns:

A reference to this object.

Overrides:

instance in class Primitive

toString

public java.lang.String toString()

Returns a String representation of this Function.

Returns:

A String containing the name of the Function.

Overrides:

toString in class Primitive