com.conversantmedia.mapreduce.tool.annotation

Annotation Type ReducerInfo

@Inherited
 @Target(value=FIELD)
 @Retention(value=RUNTIME)
 @Documented
public @interface ReducerInfo

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
KeyValue	output
Class<? extends org.apache.hadoop.mapreduce.Reducer>	value Reducer class to use.

Element Detail

value

public abstract Class<? extends org.apache.hadoop.mapreduce.Reducer> value

Reducer class to use.

Returns:

the reducer class for this job

Default:

org.apache.hadoop.mapreduce.Reducer.class

output

public abstract KeyValue output

Returns:

the key/value type for this reducer's output

Default:

@com.conversantmedia.mapreduce.tool.annotation.KeyValue