io.druid.indexer

Class IndexGeneratorJob.IndexGeneratorCombiner

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable>

io.druid.indexer.IndexGeneratorJob.IndexGeneratorCombiner

Enclosing class:

IndexGeneratorJob

public static class IndexGeneratorJob.IndexGeneratorCombiner
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer

org.apache.hadoop.mapreduce.Reducer.Context

Constructor Summary

Constructors

Constructor and Description
IndexGeneratorCombiner()

Method Summary

Modifier and Type	Method and Description
protected void	reduce(org.apache.hadoop.io.BytesWritable key, Iterable<org.apache.hadoop.io.BytesWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Reducer.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Reducer

cleanup, run

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IndexGeneratorCombiner

public IndexGeneratorCombiner()

Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Reducer.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable>

Throws:

IOException

InterruptedException

reduce

protected void reduce(org.apache.hadoop.io.BytesWritable key,
                      Iterable<org.apache.hadoop.io.BytesWritable> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws IOException,
                      InterruptedException

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.BytesWritable>

Throws:

IOException

InterruptedException