Package org.apache.hadoop.mapred.lib.aggregate

Class ValueAggregatorJobBase<K1 extends WritableComparable,V1 extends Writable>

java.lang.Object
org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase<K1,V1>
All Implemented Interfaces:
Closeable, AutoCloseable, Closeable, JobConfigurable, Mapper<K1,V1,Text,Text>, Reducer<Text,Text,Text,Text>
Direct Known Subclasses:
ValueAggregatorCombiner, ValueAggregatorMapper, ValueAggregatorReducer
@Public @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.