org.redisson.api.mapreduce

Interface RReducer<K,V>

Type Parameters:

K - key type

V - value type

All Superinterfaces:

Serializable

public interface RReducer<K,V>
extends Serializable

Reduces values mapped by key into single value.

Author:

Nikita Koksharov

Method Summary

Modifier and Type	Method and Description
V	reduce(K reducedKey, Iterator<V> iter) Invoked for each key

Method Detail

reduce

V reduce(K reducedKey,
         Iterator<V> iter)

Invoked for each key

Parameters:

reducedKey - - key

iter - - collection of values

Returns:

value