Package com.apple.foundationdb.record.query.plan.plans

Class RecordQueryScoreForRankPlan.ScoreForRank

java.lang.Object

com.apple.foundationdb.record.query.plan.plans.RecordQueryScoreForRankPlan.ScoreForRank

All Implemented Interfaces:

PlanHashable

Enclosing class:

RecordQueryScoreForRankPlan

public static class RecordQueryScoreForRankPlan.ScoreForRank
extends Object
implements PlanHashable

A single conversion of a rank to a score to be bound to some name.

Nested Class Summary

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.PlanHashable

PlanHashable.PlanHashKind

Constructor Summary

Constructors

Constructor	Description
ScoreForRank(String bindingName, Function<Tuple,Object> bindingFunction, IndexAggregateFunction function, List<Comparisons.Comparison> comparisons)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
String	getBindingName()
int	hashCode()
int	planHash(PlanHashable.PlanHashKind hashKind)	Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.apple.foundationdb.record.PlanHashable

planHash

Constructor Detail

ScoreForRank

public ScoreForRank(@Nonnull
                    String bindingName,
                    @Nonnull
                    Function<Tuple,Object> bindingFunction,
                    @Nonnull
                    IndexAggregateFunction function,
                    @Nonnull
                    List<Comparisons.Comparison> comparisons)

Method Detail

getBindingName

@Nonnull
public String getBindingName()

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

planHash

public int planHash(@Nonnull
                    PlanHashable.PlanHashKind hashKind)

Description copied from interface: PlanHashable

Return a hash similar to hashCode, but with the additional guarantee that is is stable across JVMs.

Specified by:

planHash in interface PlanHashable

Parameters:

hashKind - the "kind" of hash to calculate. Each kind of hash has a particular logic with regards to included and excluded items.

Returns:

a stable hash code