Uses of Package
org.apache.hadoop.mapreduce.lib.aggregate

Packages that use org.apache.hadoop.mapreduce.lib.aggregate

org.apache.hadoop.mapred.lib.aggregate
org.apache.hadoop.mapreduce.lib.aggregate

Classes in org.apache.hadoop.mapreduce.lib.aggregate used by org.apache.hadoop.mapred.lib.aggregate

DoubleValueSum
This class implements a value aggregator that sums up a sequence of double values.

LongValueMax
This class implements a value aggregator that maintain the maximum of a sequence of long values.

LongValueMin
This class implements a value aggregator that maintain the minimum of a sequence of long values.

LongValueSum
This class implements a value aggregator that sums up a sequence of long values.

StringValueMax
This class implements a value aggregator that maintain the biggest of a sequence of strings.

StringValueMin
This class implements a value aggregator that maintain the smallest of a sequence of strings.

UniqValueCount
This class implements a value aggregator that dedupes a sequence of objects.

UserDefinedValueAggregatorDescriptor
This class implements a wrapper for a user defined value aggregator descriptor.

ValueAggregator
This interface defines the minimal protocol for value aggregators.

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.

ValueHistogram
This class implements a value aggregator that computes the histogram of a sequence of strings.

Classes in org.apache.hadoop.mapreduce.lib.aggregate used by org.apache.hadoop.mapreduce.lib.aggregate

ValueAggregator
This interface defines the minimal protocol for value aggregators.

ValueAggregatorDescriptor
This interface defines the contract a value aggregator descriptor must support.