- All Implemented Interfaces:
- Closeable, AutoCloseable, JobConfigurable, Mapper<K1,V1,Text,Text>, Reducer<Text,Text,Text,Text>
- Direct Known Subclasses:
- ValueAggregatorCombiner, ValueAggregatorMapper, ValueAggregatorReducer
@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract class ValueAggregatorJobBase<K1 extends WritableComparable,V1 extends Writable>
extends Object
implements Mapper<K1,V1,Text,Text>, Reducer<Text,Text,Text,Text>
This abstract class implements some common functionalities of the
the generic mapper, reducer and combiner classes of Aggregate.