org.redisson.api.mapreduce

Interface RCollator<K,V,R>

Type Parameters:

K - key type

V - value type

R - result type

All Superinterfaces:

Serializable

public interface RCollator<K,V,R>
extends Serializable

Collates result from RReducer tasks and produces a single result object. Executes only once.

Author:

Nikita Koksharov

Method Summary

Modifier and Type	Method and Description
R	collate(Map<K,V> resultMap) Collates result map from reduce phase of MapReduce process.

Method Detail

collate

R collate(Map<K,V> resultMap)

Collates result map from reduce phase of MapReduce process.

Parameters:

resultMap - contains reduced entires

Returns:

single result object