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

  • Method Details

    • 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