| Package | Description | 
|---|---|
| org.apache.hadoop.mapred.lib.aggregate | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ValueAggregatorCombiner<K1 extends WritableComparable,V1 extends Writable>This class implements the generic combiner of Aggregate. | 
| class  | ValueAggregatorMapper<K1 extends WritableComparable,V1 extends Writable>This class implements the generic mapper of Aggregate. | 
| class  | ValueAggregatorReducer<K1 extends WritableComparable,V1 extends Writable>This class implements the generic reducer of Aggregate. | 
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