org.apache.hadoop.abacus
Interfaces 
ValueAggregator
ValueAggregatorDescriptor
Classes 
DoubleValueSum
JobBase
LongValueSum
UniqValueCount
UserDefinedValueAggregatorDescriptor
ValueAggregatorBaseDescriptor
ValueAggregatorCombiner
ValueAggregatorJob
ValueAggregatorJobBase
ValueAggregatorMapper
ValueAggregatorReducer
ValueHistogram