org.evolvica.core.eval
Class AbstractScoreComparator

java.lang.Object
  org.evolvica.core.eval.AbstractIndividualComparator
      org.evolvica.core.eval.AbstractScoreComparator

All Implemented Interfaces:

java.util.Comparator, IIndividualComparator, IScoreComparator

Direct Known Subclasses:

CompoundScoreComparator, ConvergentFloatScoreComparator, ConvergentIntegerScoreComparator, DefaultFloatScoreComparator, DefaultIntegerScoreComparator, ReverseFloatScoreComparator, ReverseIntegerScoreComparator

public abstract class AbstractScoreComparator

extends AbstractIndividualComparator

implements IScoreComparator

Abstract base class for individual comparators that compare by score.

Since:

0.4.0

Version:

$Revision: 1.5 $ $Date: 2004/05/26 11:58:00 $

Author:

Andreas Rummler

Constructor Summary

AbstractScoreComparator()

Method Summary

int	compare(IIndividual i0, IIndividual i1) Compares two individuals.
abstract int	compare(IScore score0, IScore score1) Compares two scores.

Methods inherited from class org.evolvica.core.eval.AbstractIndividualComparator

compare

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

compare, equals

Constructor Detail

AbstractScoreComparator

public AbstractScoreComparator()

Method Detail

compare

public int compare(IIndividual i0,
                   IIndividual i1)

Description copied from interface: IIndividualComparator

Compares two individuals. This method compares two individuals and returns the following result: a number smaller than 0 if the individual is better than the second one, 0 if both individual are equal in terms of their quality and a number greater than 0 if the second one is better.

Specified by:

compare in interface IIndividualComparator

Specified by:

compare in class AbstractIndividualComparator

See Also:

IIndividualComparator.compare(org.evolvica.core.IIndividual, org.evolvica.core.IIndividual)

compare

public abstract int compare(IScore score0,
                            IScore score1)

Description copied from interface: IScoreComparator

Compares two scores.

Specified by:

compare in interface IScoreComparator

Parameters:

score0 - first score

score1 - second score

Returns:

-1 if the first score is better than the second, 0 if both scores are equal, 1 otherwise

See Also:

IScoreComparator.compare(org.evolvica.core.IScore, org.evolvica.core.IScore)