@InterfaceAudience.Public @InterfaceStability.Stable public class InverseMapper<K,V> extends Mapper<K,V,V,K>
Mapper
that swaps keys and values.Constructor and Description |
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InverseMapper() |
Modifier and Type | Method and Description |
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void |
map(K key,
V value,
org.apache.hadoop.mapreduce.Mapper.Context context)
The inverse function.
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public InverseMapper()
public void map(K key, V value, org.apache.hadoop.mapreduce.Mapper.Context context) throws IOException, InterruptedException
map
in class Mapper<K,V,V,K>
IOException
InterruptedException
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