org.infinispan.distribution.ch

Interface KeyPartitioner

All Superinterfaces:

Matchable<KeyPartitioner>, java.util.function.ToIntFunction<java.lang.Object>

public interface KeyPartitioner
extends Matchable<KeyPartitioner>, java.util.function.ToIntFunction<java.lang.Object>

Map keys to segments.

Since:

8.2

Method Summary

Modifier and Type	Method and Description
default int	applyAsInt(java.lang.Object value)
int	getSegment(java.lang.Object key) Obtains the segment for a key.
default void	init(HashConfiguration configuration) Initialization.
default boolean	matches(KeyPartitioner other)

Method Detail

init

default void init(HashConfiguration configuration)

Initialization.

The partitioner can also use injection to access other cache-level or global components. This method will be called before any other injection methods.

Does not need to be thread-safe (Infinispan safely publishes the instance after initialization).

Parameters:

configuration -

applyAsInt

default int applyAsInt(java.lang.Object value)

Specified by:

applyAsInt in interface java.util.function.ToIntFunction<java.lang.Object>

getSegment

int getSegment(java.lang.Object key)

Obtains the segment for a key. Must be thread-safe.

matches

default boolean matches(KeyPartitioner other)

Specified by:

matches in interface Matchable<KeyPartitioner>