Package org.apache.hadoop.mapred.lib

Library of generally useful mappers, reducers, and partitioners.

See:
          Description

Class Summary
BinaryPartitioner<V> Deprecated. Use BinaryPartitioner instead.
ChainMapper Deprecated. Use ChainMapper instead
ChainReducer Deprecated. Use ChainReducer instead
CombineFileInputFormat<K,V> Deprecated. Use CombineFileInputFormat
CombineFileRecordReader<K,V> Deprecated. Use CombineFileRecordReader
CombineFileSplit Deprecated. Use CombineFileSplit
FieldSelectionMapReduce<K,V> Deprecated. Use FieldSelectionMapper and FieldSelectionReducer instead
FilterOutputFormat<K,V> Deprecated. Use FilterOutputFormat instead.
FilterOutputFormat.FilterRecordWriter<K,V> FilterRecordWriter is a convenience wrapper class that implements RecordWriter.
HashPartitioner<K2,V2> Deprecated. Use HashPartitioner instead.
IdentityMapper<K,V> Deprecated. Use Mapper instead.
IdentityReducer<K,V> Deprecated. Use Reducer instead.
InputSampler<K,V> Deprecated. Use InputSampler
InverseMapper<K,V> Deprecated. Use InverseMapper instead.
KeyFieldBasedComparator<K,V> Deprecated. Use KeyFieldBasedComparator instead
KeyFieldBasedPartitioner<K2,V2> Deprecated. Use KeyFieldBasedPartitioner instead
LazyOutputFormat<K,V> Deprecated. Use LazyOutputFormat instead.
LongSumReducer<K> Deprecated. Use LongSumReducer instead.
MultipleInputs Deprecated. Use MultipleInputs instead
MultipleOutputFormat<K,V> Deprecated. Use MultipleOutputs instead
MultipleOutputs Deprecated. Use MultipleOutputs instead
MultipleSequenceFileOutputFormat<K,V> Deprecated. Use MultipleOutputs instead
MultipleTextOutputFormat<K,V> Deprecated. Use MultipleOutputs instead
MultithreadedMapRunner<K1,V1,K2,V2> Deprecated. Use MultithreadedMapper instead.
NLineInputFormat Deprecated. Use NLineInputFormat instead
NullOutputFormat<K,V> Deprecated. Use NullOutputFormat instead.
RegexMapper<K> Deprecated. Use RegexMapper
TokenCountMapper<K> Deprecated. Use TokenCounterMapper instead.
TotalOrderPartitioner<K extends WritableComparable<?>,V> Deprecated. Use TotalOrderPartitioner
 

Package org.apache.hadoop.mapred.lib Description

Library of generally useful mappers, reducers, and partitioners.



Copyright © 2009 The Apache Software Foundation