## Uses of Package
org.apache.hadoop.mapred.lib.aggregate

Packages that use org.apache.hadoop.mapred.lib.aggregate
org.apache.hadoop.examples: Hadoop example code.
org.apache.hadoop.mapred.lib.aggregate: Classes for performing various counting and aggregations.

Classes in org.apache.hadoop.mapred.lib.aggregate used by org.apache.hadoop.examples
ValueAggregatorBaseDescriptor This class implements the common functionalities of the subclasses of ValueAggregatorDescriptor class.
ValueAggregatorDescriptor This interface defines the contract a value aggregator descriptor must support.

Classes in org.apache.hadoop.mapred.lib.aggregate used by org.apache.hadoop.mapred.lib.aggregate
ValueAggregator This interface defines the minimal protocol for value aggregators.
ValueAggregatorDescriptor This interface defines the contract a value aggregator descriptor must support.
ValueAggregatorJobBase This abstract class implements some common functionalities of the the generic mapper, reducer and combiner classes of Aggregate.

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