| 类 | 说明 |
|---|---|
| InverseMapper<K,V> |
A
Mapper that swaps keys and values. |
| MultithreadedMapper<K1,V1,K2,V2> |
Multithreaded implementation for @link org.apache.hadoop.mapreduce.Mapper.
|
| TokenCounterMapper |
Tokenize the input values and emit each word with a count of 1.
|
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