Package org.apache.nutch.mapReduce.lib

Library of generally useful mappers, reducers, and partitioners.

See:
Description

Class Summary

HashPartitioner	Partition keys by their Object.hashCode().
IdentityMapper	Implements the identity function, mapping inputs directly to outputs.
IdentityReducer	Performs no reduction, writing all input values directly to the output.
InverseMapper	A Mapper that swaps keys and values.
LongSumReducer	A Reducer that sums long values.
RegexMapper	A Mapper that extracts text matching a regular expression.
TokenCountMapper	A Mapper that maps text values into pairs.

Package org.apache.nutch.mapReduce.lib Description

Library of generally useful mappers, reducers, and partitioners.