Package org.optaplanner.core.impl.score

Class ScoreUtils

java.lang.Object

org.optaplanner.core.impl.score.ScoreUtils

public class ScoreUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static double	calculateTimeGradient(Number[] totalDiffNumbers, Number[] scoreDiffNumbers, double[] timeGradientWeightNumbers, int levelDepth)
static double[]	extractLevelDoubles(Score score)
static Score	parseScore(Class<? extends Score> scoreClass, String scoreString)

Methods inherited from class java.lang.Object

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

Method Detail

parseScore

public static Score parseScore(Class<? extends Score> scoreClass,
                               String scoreString)

Parameters:

scoreClass - never null, should be of the same ClassLoader as this class.

scoreString - never null

Returns:

never null

Throws:

IllegalArgumentException - if the scoreClass is a custom Score

See Also:

ScoreDefinition.parseScore(String)

extractLevelDoubles

public static double[] extractLevelDoubles(Score score)

calculateTimeGradient

public static double calculateTimeGradient(Number[] totalDiffNumbers,
                                           Number[] scoreDiffNumbers,
                                           double[] timeGradientWeightNumbers,
                                           int levelDepth)

Parameters:

totalDiffNumbers - never null

scoreDiffNumbers - never null

timeGradientWeightNumbers - never null

levelDepth - The number of levels of the diffNumbers that are included

Returns:

0.0 <= value <= 1.0