NAME
AI::ExpertSystem::Simple::Goal - Utility class for a simple expert system
VERSION
This document refers to verion 1.00 of AI::ExpertSystem::Simple::Goal, released April 25, 2003
SYNOPSIS
This class handles the goal in the expert system and returns the answer when the goal is matched.
DESCRIPTION
Overview
This is a utility class for AI::ExpertSystem::Simple
Constructors and initialisation
- new( NAME, MESSAGE )
-
The constructor takes two arguments. The first, NAME, is the name of the attribute that when set will trigger the end of the consoltation. The second argument, MESSAGE, is the text that will be interpolated as the answer for the consoltation.
Public methods
- is_goal( NAME )
-
This method compares the given NAME with that of the attribute name given when the object was constructed and returns true if they are the same or false if not.
- name( )
-
This method return the value of the NAME argument that was set when the object was constructed.
- answer( VALUE )
-
This method take VALUE to be the value of the goal attribute and will use it to interpolate and return the MESSAGE that was given when the object was constructed.
Private methods
None
ENVIRONMENT
None
DIAGNOSTICS
- Goal->new() takes 2 arguments
-
When the constructor is initialised it requires two arguments. This message is given if more or less arguments were supplied.
- Goal->new() argument 1 (NAME) is undefined
-
The correct number of arguments were supplied to the constructor, however the first argument, NAME, was undefined.
- Goal->new() argument 2 (MESSAGE) is undefined
-
The correct number of arguments were supplied to the constructor, however the second argument, MESSAGE, was undefined.
- Goal->is_goal() takes 1 argument
-
When the method is called it requires one argument. This message is given if more or less arguments were supplied.
- Goal->is_goal() argument 1 (NAME) is undefined
-
The correct number of arguments were supplied with the method call, however the first argument, NAME, was undefined.
- Goal->name() takes no arguments
-
When the method is called it takes no arguments. This message is given if some were supplied.
- Goal->answer() takes 1 argument
-
When the method is called it requires one argument. This message is given if more or less arguments were supplied.
- Goal->answer() argument 1 (VALUE) is undefined
-
The correct number of arguments were supplied with the method call, however the first argument, VALUE, was undefined.
BUGS
None to date
FILES
See Goal.t in the test directory
SEE ALSO
AI::ExpertSystem::Simple - The base class for the expert system shell
AI::ExpertSystem::Simple::Knowledge - A utility class
AI::ExpertSystem::Simple::Rules - A utility class
AUTHORS
Peter Hickman (peterhi@ntlworld.com)
COPYRIGHT
Copyright (c) 2003, Peter Hickman. All rights reserved.
This module is free software. It may be used, redistributed and/or modified under the same terms as Perl itself.