public final class HardSoftScore extends AbstractScore<HardSoftScore> implements FeasibilityScore<HardSoftScore>
Score
is based on 2 levels of int constraints: hard and soft.
Hard constraints have priority over soft constraints.
This class is immutable.
Score
,
Serialized FormModifier and Type | Method and Description |
---|---|
HardSoftScore |
add(HardSoftScore augment)
Returns a Score whose value is (this + augment).
|
int |
compareTo(HardSoftScore other) |
HardSoftScore |
divide(double divisor)
Returns a Score whose value is (this / divisor).
|
boolean |
equals(Object o) |
int |
getHardScore()
The total of the broken negative hard constraints and fulfilled positive hard constraints.
|
int |
getSoftScore()
The total of the broken negative soft constraints and fulfilled positive soft constraints.
|
int |
hashCode() |
boolean |
isFeasible()
A
Solution is feasible if it has no broken hard constraints. |
HardSoftScore |
multiply(double multiplicand)
Returns a Score whose value is (this * multiplicand).
|
HardSoftScore |
negate()
Returns a Score whose value is (- this).
|
static HardSoftScore |
parseScore(String scoreString) |
HardSoftScore |
power(double exponent)
Returns a Score whose value is (this ^ exponent).
|
HardSoftScore |
subtract(HardSoftScore subtrahend)
Returns a Score whose value is (this - subtrahend).
|
Number[] |
toLevelNumbers()
Returns an array of numbers representing the Score.
|
String |
toString() |
static HardSoftScore |
valueOf(int hardScore,
int softScore) |
buildScorePattern, buildScorePattern, isCompatibleArithmeticArgument, parseLevelAsBigDecimal, parseLevelAsDouble, parseLevelAsInt, parseLevelAsLong, parseLevelStrings, parseLevelStrings
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
isCompatibleArithmeticArgument
public static HardSoftScore parseScore(String scoreString)
public static HardSoftScore valueOf(int hardScore, int softScore)
public int getHardScore()
public int getSoftScore()
In a normal score comparison, the soft score is irrelevant if the 2 scores don't have the same hard score.
public boolean isFeasible()
FeasibilityScore
Solution
is feasible if it has no broken hard constraints.isFeasible
in interface FeasibilityScore<HardSoftScore>
public HardSoftScore add(HardSoftScore augment)
Score
add
in interface Score<HardSoftScore>
augment
- value to be added to this Scorepublic HardSoftScore subtract(HardSoftScore subtrahend)
Score
subtract
in interface Score<HardSoftScore>
subtrahend
- value to be subtracted from this Scorepublic HardSoftScore multiply(double multiplicand)
Score
Math.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<HardSoftScore>
multiplicand
- value to be multiplied by this Score.public HardSoftScore divide(double divisor)
Score
Math.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<HardSoftScore>
divisor
- value by which this Score is to be dividedpublic HardSoftScore power(double exponent)
Score
Math.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<HardSoftScore>
exponent
- value by which this Score is to be poweredpublic HardSoftScore negate()
Score
negate
in interface Score<HardSoftScore>
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}
toLevelNumbers
in interface Score<HardSoftScore>
ScoreDefinition.fromLevelNumbers(Number[])
public int compareTo(HardSoftScore other)
compareTo
in interface Comparable<HardSoftScore>
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