Class TopKReserveFunction

java.lang.Object

org.infinispan.server.resp.commands.topk.TopKReserveFunction

All Implemented Interfaces:

Serializable, Function<EntryView.ReadWriteEntryView<byte[],Object>, Boolean>, SerializableFunction<EntryView.ReadWriteEntryView<byte[],Object>, Boolean>

@ProtoTypeId(6164)
public final class TopKReserveFunction
extends Object
implements SerializableFunction<EntryView.ReadWriteEntryView<byte[],Object>, Boolean>

Function to reserve (create) a Top-K filter using FunctionalMap. Used by TOPK.RESERVE command.

Since:

16.2

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
TopKReserveFunction(int k, int width, int depth, double decay)

Method Summary

Modifier and Type	Method	Description
Boolean	apply(EntryView.ReadWriteEntryView<byte[],Object> view)
double	getDecay()
int	getDepth()
int	getK()
int	getWidth()

Methods inherited from class Object

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

Methods inherited from interface Function

andThen, compose

Constructor Details

TopKReserveFunction

@ProtoFactory
public TopKReserveFunction(int k,
 int width,
 int depth,
 double decay)

Method Details

getK

@ProtoField(number=1,
            defaultValue="10")
public int getK()

getWidth

@ProtoField(number=2,
            defaultValue="8")
public int getWidth()

getDepth

@ProtoField(number=3,
            defaultValue="7")
public int getDepth()

getDecay

@ProtoField(number=4,
            defaultValue="0.9")
public double getDecay()

apply

public Boolean apply(EntryView.ReadWriteEntryView<byte[],Object> view)

Specified by:

apply in interface Function<EntryView.ReadWriteEntryView<byte[],Object>, Boolean>