public abstract class DroolsAbstractBiConstraintStream<Solution_,A,B> extends DroolsAbstractConstraintStream<Solution_> implements InnerBiConstraintStream<A,B>
constraintFactory
Constructor and Description |
---|
DroolsAbstractBiConstraintStream(DroolsConstraintFactory<Solution_> constraintFactory) |
Modifier and Type | Method and Description |
---|---|
abstract DroolsBiCondition<A,B> |
createCondition() |
BiConstraintStream<A,B> |
filter(BiPredicate<A,B> predicate)
Exhaustively test each tuple of facts against the
BiPredicate
and match if BiPredicate.test(Object, Object) returns true. |
List<DroolsFromUniConstraintStream<Solution_,Object>> |
getFromStreamList() |
protected abstract DroolsAbstractConstraintStream<Solution_> |
getParent() |
Constraint |
impactScore(String constraintPackage,
String constraintName,
Score<?> constraintWeight,
boolean positive) |
Constraint |
impactScore(String constraintPackage,
String constraintName,
Score<?> constraintWeight,
ToIntBiFunction<A,B> matchWeigher,
boolean positive) |
Constraint |
impactScoreBigDecimal(String constraintPackage,
String constraintName,
Score<?> constraintWeight,
BiFunction<A,B,BigDecimal> matchWeigher,
boolean positive) |
Constraint |
impactScoreConfigurable(String constraintPackage,
String constraintName,
boolean positive) |
Constraint |
impactScoreConfigurable(String constraintPackage,
String constraintName,
ToIntBiFunction<A,B> matchWeigher,
boolean positive) |
Constraint |
impactScoreConfigurableBigDecimal(String constraintPackage,
String constraintName,
BiFunction<A,B,BigDecimal> matchWeigher,
boolean positive) |
Constraint |
impactScoreConfigurableLong(String constraintPackage,
String constraintName,
ToLongBiFunction<A,B> matchWeigher,
boolean positive) |
Constraint |
impactScoreLong(String constraintPackage,
String constraintName,
Score<?> constraintWeight,
ToLongBiFunction<A,B> matchWeigher,
boolean positive) |
<C> TriConstraintStream<A,B,C> |
join(UniConstraintStream<C> otherStream,
TriJoiner<A,B,C> joiner)
Create a new
TriConstraintStream for every combination of [A, B] and C for which the BiJoiner
is true (for the properties it extracts from both facts). |
addChildStream, buildConstraint, buildConstraintConfigurable, buildRule, getChildStreams, getConstraintFactory
buildConstraintWeightExtractor, buildConstraintWeightExtractor, penalize, penalizeConfigurable, reward, rewardConfigurable, validateConstraintId
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
penalize, penalizeBigDecimal, penalizeConfigurable, penalizeConfigurableBigDecimal, penalizeConfigurableLong, penalizeLong, reward, rewardBigDecimal, rewardConfigurable, rewardConfigurableBigDecimal, rewardConfigurableLong, rewardLong
join, join, join, join, join, join, join, penalize, penalizeBigDecimal, penalizeConfigurable, penalizeConfigurableBigDecimal, penalizeConfigurableLong, penalizeLong, reward, rewardBigDecimal, rewardConfigurable, rewardConfigurableBigDecimal, rewardConfigurableLong, rewardLong
getConstraintFactory, penalize, penalize, penalizeConfigurable, penalizeConfigurable, reward, reward, rewardConfigurable, rewardConfigurable
public DroolsAbstractBiConstraintStream(DroolsConstraintFactory<Solution_> constraintFactory)
public BiConstraintStream<A,B> filter(BiPredicate<A,B> predicate)
BiConstraintStream
BiPredicate
and match if BiPredicate.test(Object, Object)
returns true.
Important: This is slower and less scalable than UniConstraintStream#join(UniConstraintStream, BiJoiner[])
with a proper BiJoiner
predicate (such as Joiners.equal(Function, Function)
,
because the latter applies hashing and/or indexing, so it doesn't create every combination just to filter it out.
filter
in interface BiConstraintStream<A,B>
predicate
- never nullpublic <C> TriConstraintStream<A,B,C> join(UniConstraintStream<C> otherStream, TriJoiner<A,B,C> joiner)
BiConstraintStream
TriConstraintStream
for every combination of [A, B] and C for which the BiJoiner
is true (for the properties it extracts from both facts).
Important: This is faster and more scalable than a join
followed by a filter
,
because it applies hashing and/or indexing on the properties,
so it doesn't create nor checks every combination of [A, B] and C.
join
in interface BiConstraintStream<A,B>
C
- the type of the third matched factotherStream
- never nulljoiner
- never nullBiJoiner
is truepublic final Constraint impactScore(String constraintPackage, String constraintName, Score<?> constraintWeight, boolean positive)
impactScore
in class AbstractConstraintStream<Solution_>
public final Constraint impactScore(String constraintPackage, String constraintName, Score<?> constraintWeight, ToIntBiFunction<A,B> matchWeigher, boolean positive)
impactScore
in interface InnerBiConstraintStream<A,B>
public final Constraint impactScoreLong(String constraintPackage, String constraintName, Score<?> constraintWeight, ToLongBiFunction<A,B> matchWeigher, boolean positive)
impactScoreLong
in interface InnerBiConstraintStream<A,B>
public final Constraint impactScoreBigDecimal(String constraintPackage, String constraintName, Score<?> constraintWeight, BiFunction<A,B,BigDecimal> matchWeigher, boolean positive)
impactScoreBigDecimal
in interface InnerBiConstraintStream<A,B>
public final Constraint impactScoreConfigurable(String constraintPackage, String constraintName, boolean positive)
impactScoreConfigurable
in class AbstractConstraintStream<Solution_>
public final Constraint impactScoreConfigurable(String constraintPackage, String constraintName, ToIntBiFunction<A,B> matchWeigher, boolean positive)
impactScoreConfigurable
in interface InnerBiConstraintStream<A,B>
public final Constraint impactScoreConfigurableLong(String constraintPackage, String constraintName, ToLongBiFunction<A,B> matchWeigher, boolean positive)
impactScoreConfigurableLong
in interface InnerBiConstraintStream<A,B>
public final Constraint impactScoreConfigurableBigDecimal(String constraintPackage, String constraintName, BiFunction<A,B,BigDecimal> matchWeigher, boolean positive)
impactScoreConfigurableBigDecimal
in interface InnerBiConstraintStream<A,B>
public List<DroolsFromUniConstraintStream<Solution_,Object>> getFromStreamList()
getFromStreamList
in class DroolsAbstractConstraintStream<Solution_>
protected abstract DroolsAbstractConstraintStream<Solution_> getParent()
public abstract DroolsBiCondition<A,B> createCondition()
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