| Modifier and Type | Class and Description | 
|---|---|
| class  | HadoopCombine.HadoopCombineEmitter<OK,OV> | 
| class  | HadoopReduce.HadoopReduceEmitter<OK,OV> | 
| Modifier and Type | Method and Description | 
|---|---|
| default void | MapReduce. combine(MK key,
       Iterator<MV> values,
       MapReduce.ReduceEmitter<RK,RV> emitter)The combine() method is logically executed at all "machines" in parallel. | 
| void | GraphComputerTest.MapReduceB. reduce(Integer key,
      Iterator<Integer> values,
      MapReduce.ReduceEmitter<Integer,Integer> emitter) | 
| default void | MapReduce. reduce(MK key,
      Iterator<MV> values,
      MapReduce.ReduceEmitter<RK,RV> emitter)The reduce() method is logically on the "machine" the respective key hashes to. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | ClusterPopulationMapReduce. combine(Serializable key,
       Iterator<Long> values,
       MapReduce.ReduceEmitter<Serializable,Long> emitter) | 
| void | ClusterCountMapReduce. reduce(MapReduce.NullObject key,
      Iterator<Serializable> values,
      MapReduce.ReduceEmitter<MapReduce.NullObject,Integer> emitter) | 
| void | ClusterPopulationMapReduce. reduce(Serializable key,
      Iterator<Long> values,
      MapReduce.ReduceEmitter<Serializable,Long> emitter) | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | TinkerReduceEmitter<OK,OV> | 
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