Package org.optaplanner.constraint.streams.drools.bi

Class DroolsFilterBiConstraintStream<Solution_,A,B>

java.lang.Object

org.optaplanner.constraint.streams.common.AbstractConstraintStream<Solution_>

org.optaplanner.constraint.streams.drools.common.DroolsAbstractConstraintStream<Solution_,BiLeftHandSide<A,B>>

org.optaplanner.constraint.streams.drools.bi.DroolsAbstractBiConstraintStream<Solution_,A,B>

org.optaplanner.constraint.streams.drools.bi.DroolsFilterBiConstraintStream<Solution_,A,B>

All Implemented Interfaces:

InnerBiConstraintStream<A,B>, BiConstraintStream<A,B>, ConstraintStream

public final class DroolsFilterBiConstraintStream<Solution_,A,B>
extends DroolsAbstractBiConstraintStream<Solution_,A,B>

Field Summary

Fields inherited from class org.optaplanner.constraint.streams.drools.common.DroolsAbstractConstraintStream

constraintFactory

Constructor Summary

Constructors

Constructor	Description
DroolsFilterBiConstraintStream(DroolsConstraintFactory<Solution_> constraintFactory, DroolsAbstractBiConstraintStream<Solution_,A,B> parent, BiPredicate<A,B> biPredicate)

Method Summary

Modifier and Type	Method	Description
BiLeftHandSide<A,B>	createLeftHandSide()	Some constructs in the Drools executable model may not be reused between different rules.
boolean	guaranteesDistinct()
String	toString()

Methods inherited from class org.optaplanner.constraint.streams.drools.bi.DroolsAbstractBiConstraintStream

filter, flattenLast, getDefaultIndictedObjectsMapping, getDefaultJustificationMapping, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, ifExists, ifExistsIncludingNullVars, ifNotExists, ifNotExistsIncludingNullVars, innerImpact, innerImpact, innerImpact, join, map

Methods inherited from class org.optaplanner.constraint.streams.drools.common.DroolsAbstractConstraintStream

addChildStream, buildConstraint, getChildStreams, getConstraintFactory

Methods inherited from class org.optaplanner.constraint.streams.common.AbstractConstraintStream

buildConstraintWeightExtractor, buildConstraintWeightExtractor, getRetrievalSemantics

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.optaplanner.core.api.score.stream.bi.BiConstraintStream

ifExists, ifExists, ifExists, ifExists, ifExistsIncludingNullVars, ifExistsIncludingNullVars, ifExistsIncludingNullVars, ifExistsIncludingNullVars, ifNotExists, ifNotExists, ifNotExists, ifNotExists, ifNotExistsIncludingNullVars, ifNotExistsIncludingNullVars, ifNotExistsIncludingNullVars, ifNotExistsIncludingNullVars, impact, impact, impact, impactBigDecimal, impactBigDecimal, impactConfigurable, impactConfigurable, impactConfigurable, impactConfigurableBigDecimal, impactConfigurableBigDecimal, impactConfigurableLong, impactConfigurableLong, impactLong, impactLong, join, join, join, join, join, join, join, join, join, join, penalize, penalize, penalize, penalizeBigDecimal, penalizeBigDecimal, penalizeConfigurable, penalizeConfigurable, penalizeConfigurable, penalizeConfigurableBigDecimal, penalizeConfigurableBigDecimal, penalizeConfigurableLong, penalizeConfigurableLong, penalizeLong, penalizeLong, reward, reward, reward, rewardBigDecimal, rewardBigDecimal, rewardConfigurable, rewardConfigurable, rewardConfigurable, rewardConfigurableBigDecimal, rewardConfigurableBigDecimal, rewardConfigurableLong, rewardConfigurableLong, rewardLong, rewardLong

Methods inherited from interface org.optaplanner.core.api.score.stream.ConstraintStream

getConstraintFactory

Methods inherited from interface org.optaplanner.constraint.streams.common.bi.InnerBiConstraintStream

distinct, getRetrievalSemantics, impact, impact, impact, impactBigDecimal, impactConfigurable, impactConfigurableBigDecimal, impactConfigurableLong, impactLong, join, penalize, penalize, penalize, penalizeBigDecimal, penalizeConfigurable, penalizeConfigurable, penalizeConfigurable, penalizeConfigurableBigDecimal, penalizeConfigurableLong, penalizeLong, reward, reward, reward, rewardBigDecimal, rewardConfigurable, rewardConfigurable, rewardConfigurable, rewardConfigurableBigDecimal, rewardConfigurableLong, rewardLong

Constructor Details

DroolsFilterBiConstraintStream

public DroolsFilterBiConstraintStream(DroolsConstraintFactory<Solution_> constraintFactory,
 DroolsAbstractBiConstraintStream<Solution_,A,B> parent,
 BiPredicate<A,B> biPredicate)

Method Details

guaranteesDistinct

public boolean guaranteesDistinct()

createLeftHandSide

public BiLeftHandSide<A,B> createLeftHandSide()

Description copied from class: DroolsAbstractConstraintStream

Some constructs in the Drools executable model may not be reused between different rules. They are, among others, variable instances and beta indexes. Therefore an instance of AbstractLeftHandSide must never be used to create more than one rule. Therefore every constraint stream re-creates the entire chain of left hand sides every time a new rule is built. It is then left up to Drools to node-share everything it can.

Specified by:

createLeftHandSide in class DroolsAbstractConstraintStream<Solution_,BiLeftHandSide<A,B>>

Returns:

never null, different instance on every call

toString

public String toString()

Overrides:

toString in class Object