public final class HardSoftBigDecimalScore extends AbstractScore<HardSoftBigDecimalScore> implements FeasibilityScore<HardSoftBigDecimalScore>
Score is based on 2 levels of BigDecimal constraints: hard and soft.
Hard constraints have priority over soft constraints.
Hard constraints determine feasibility.
This class is immutable.
Score,
Serialized Form| Modifier and Type | Field and Description |
|---|---|
static HardSoftBigDecimalScore |
ZERO |
INIT_LABEL, initScore| Modifier and Type | Method and Description |
|---|---|
HardSoftBigDecimalScore |
add(HardSoftBigDecimalScore augment)
Returns a Score whose value is (this + augment).
|
int |
compareTo(HardSoftBigDecimalScore other) |
HardSoftBigDecimalScore |
divide(double divisor)
Returns a Score whose value is (this / divisor).
|
boolean |
equals(Object o) |
BigDecimal |
getHardScore()
The total of the broken negative hard constraints and fulfilled positive hard constraints.
|
BigDecimal |
getSoftScore()
The total of the broken negative soft constraints and fulfilled positive soft constraints.
|
int |
hashCode() |
boolean |
isCompatibleArithmeticArgument(Score otherScore) |
boolean |
isFeasible()
A
PlanningSolution is feasible if it has no broken hard constraints
and Score.isSolutionInitialized() is true. |
HardSoftBigDecimalScore |
multiply(double multiplicand)
Returns a Score whose value is (this * multiplicand).
|
HardSoftBigDecimalScore |
negate()
Returns a Score whose value is (- this).
|
static HardSoftBigDecimalScore |
parseScore(String scoreString) |
HardSoftBigDecimalScore |
power(double exponent)
Returns a Score whose value is (this ^ exponent).
|
HardSoftBigDecimalScore |
subtract(HardSoftBigDecimalScore subtrahend)
Returns a Score whose value is (this - subtrahend).
|
HardSoftBigDecimalScore |
toInitializedScore()
For example
-7init/0hard/-8soft returns 0hard/-8soft. |
Number[] |
toLevelNumbers()
Returns an array of numbers representing the Score.
|
String |
toShortString()
Like
Object.toString(), but trims score levels which have a zero weight. |
String |
toString() |
static HardSoftBigDecimalScore |
valueOf(BigDecimal hardScore,
BigDecimal softScore) |
static HardSoftBigDecimalScore |
valueOfUninitialized(int initScore,
BigDecimal hardScore,
BigDecimal softScore) |
HardSoftBigDecimalScore |
withInitScore(int newInitScore)
For example
0hard/-8soft with -7 returns -7init/0hard/-8soft. |
assertNoInitScore, buildScorePattern, buildShortString, getInitPrefix, getInitScore, isSolutionInitialized, parseInitScore, parseLevelAsBigDecimal, parseLevelAsDouble, parseLevelAsInt, parseLevelAsLong, parseScoreTokensclone, finalize, getClass, notify, notifyAll, wait, wait, waitgetInitScore, isSolutionInitializedpublic static final HardSoftBigDecimalScore ZERO
public static HardSoftBigDecimalScore parseScore(String scoreString)
public static HardSoftBigDecimalScore valueOfUninitialized(int initScore, BigDecimal hardScore, BigDecimal softScore)
public static HardSoftBigDecimalScore valueOf(BigDecimal hardScore, BigDecimal softScore)
public BigDecimal getHardScore()
public BigDecimal getSoftScore()
In a normal score comparison, the soft score is irrelevant if the 2 scores don't have the same hard score.
public HardSoftBigDecimalScore toInitializedScore()
Score-7init/0hard/-8soft returns 0hard/-8soft.toInitializedScore in interface Score<HardSoftBigDecimalScore>Score.getInitScore() is 0.public HardSoftBigDecimalScore withInitScore(int newInitScore)
Score0hard/-8soft with -7 returns -7init/0hard/-8soft.withInitScore in interface Score<HardSoftBigDecimalScore>newInitScore - always negative (except in statistical calculations), 0 if all planning variables are initializedScore.getInitScore() is set to newInitScorepublic boolean isFeasible()
FeasibilityScorePlanningSolution is feasible if it has no broken hard constraints
and Score.isSolutionInitialized() is true.isFeasible in interface FeasibilityScore<HardSoftBigDecimalScore>Score.getInitScore() is 0.public HardSoftBigDecimalScore add(HardSoftBigDecimalScore augment)
Scoreadd in interface Score<HardSoftBigDecimalScore>augment - value to be added to this Scorepublic HardSoftBigDecimalScore subtract(HardSoftBigDecimalScore subtrahend)
Scoresubtract in interface Score<HardSoftBigDecimalScore>subtrahend - value to be subtracted from this Scorepublic HardSoftBigDecimalScore multiply(double multiplicand)
ScoreMath.floor(double)).
If the implementation has a scale/precision, then the unspecified scale/precision of the double multiplicand should have no impact on the returned scale/precision.
multiply in interface Score<HardSoftBigDecimalScore>multiplicand - value to be multiplied by this Score.public HardSoftBigDecimalScore divide(double divisor)
ScoreMath.floor(double)).
If the implementation has a scale/precision, then the unspecified scale/precision of the double divisor should have no impact on the returned scale/precision.
divide in interface Score<HardSoftBigDecimalScore>divisor - value by which this Score is to be dividedpublic HardSoftBigDecimalScore power(double exponent)
ScoreMath.floor(double)).
If the implementation has a scale/precision, then the unspecified scale/precision of the double exponent should have no impact on the returned scale/precision.
power in interface Score<HardSoftBigDecimalScore>exponent - value by which this Score is to be poweredpublic HardSoftBigDecimalScore negate()
Scorenegate in interface Score<HardSoftBigDecimalScore>public Number[] toLevelNumbers()
Score
When rounding is needed, each rounding should be floored (as defined by Math.floor(double)).
The length of the returned array must be stable for a specific Score implementation.
For example: -0hard/-7soft returns new int{-0, -7}
The level numbers do not contain the Score.getInitScore().
For example: -3init/-0hard/-7soft also returns new int{-0, -7}
toLevelNumbers in interface Score<HardSoftBigDecimalScore>ScoreDefinition.fromLevelNumbers(int, Number[])public int compareTo(HardSoftBigDecimalScore other)
compareTo in interface Comparable<HardSoftBigDecimalScore>public String toShortString()
ScoreObject.toString(), but trims score levels which have a zero weight.
For example 0hard/-258soft returns -258soft.
Do not use this format to persist information as text, use Object.toString() instead,
so it can be parsed reliably.
toShortString in interface Score<HardSoftBigDecimalScore>public boolean isCompatibleArithmeticArgument(Score otherScore)
isCompatibleArithmeticArgument in interface Score<HardSoftBigDecimalScore>otherScore - never nullScore.add(Score), Score.subtract(Score)
and Comparable.compareTo(Object).Copyright © 2006–2017 JBoss by Red Hat. All rights reserved.