org.optaplanner.benchmark.impl.ranking

Class TotalScoreSolverRankingComparator

java.lang.Object

org.optaplanner.benchmark.impl.ranking.TotalScoreSolverRankingComparator

All Implemented Interfaces:

Serializable, Comparator<SolverBenchmarkResult>

public class TotalScoreSolverRankingComparator
extends Object
implements Comparator<SolverBenchmarkResult>, Serializable

This ranking Comparator orders a SolverBenchmarkResult by its total Score. It maximize the overall score, so it minimizes the overall cost if all PlanningSolutions would be executed.

When the inputSolutions differ greatly in size or difficulty, this often results in a big difference in Score magnitude between each PlanningSolution. For example: score 10 for dataset A versus 1000 for dataset B. In such cases, dataset B would marginalize dataset A. To avoid that, use TotalRankSolverRankingWeightFactory.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TotalScoreSolverRankingComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(SolverBenchmarkResult a, SolverBenchmarkResult b)

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

TotalScoreSolverRankingComparator

public TotalScoreSolverRankingComparator()

Method Detail

compare

public int compare(SolverBenchmarkResult a,
                   SolverBenchmarkResult b)

Specified by:

compare in interface Comparator<SolverBenchmarkResult>