keel.Algorithms.Genetic_Rule_Learning.UCS

Interface Environment

All Known Implementing Classes:

MPEnvironment, SSFileEnvironment

public interface Environment

This interface is the environment interface. It has to be implemented for all the environment problems.

Since:

JDK1.2

Version:

1.1

Author:

Written by Albert Orriols (La Salle University Ramón Lull, Barcelona) 28/03/2004, Modified by Xavi Solé (La Salle University Ramón Lull, Barcelona) 03/12/2008

Method Summary

Modifier and Type	Method and Description
void	beginSequentialExamples() It initializes the first example.
int	getCurrentClass() The function returns the current class
double[]	getCurrentState() The function returns the current state.
int	getNumberOfExamples() It returns the number of examples of the database.
double[]	getSequentialState() It returns the new Example of a single step file environment.
double[]	newState() Creates or selects a new example of the problem.

Method Detail

getCurrentState

double[] getCurrentState()

The function returns the current state.

Returns:

a double[] with the current state.

getCurrentClass

int getCurrentClass()

The function returns the current class

Returns:

an integer with the current class

newState

double[] newState()

Creates or selects a new example of the problem.

Returns:

a double[] with the new example.

beginSequentialExamples

void beginSequentialExamples()

It initializes the first example. It is used in the file environment to get the examples sequentially.

getSequentialState

double[] getSequentialState()

It returns the new Example of a single step file environment.

Returns:

a double[] with the next example

getNumberOfExamples

int getNumberOfExamples()

It returns the number of examples of the database. It is only used in the file environments.

Returns:

an integer with the number of examples in the DB