eu.dnetlib.data.mapreduce.hbase.dedup

Class DedupRootsToCsvReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<ImmutableBytesWritable,ImmutableBytesWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

eu.dnetlib.data.mapreduce.hbase.dedup.DedupRootsToCsvReducer

public class DedupRootsToCsvReducer
extends org.apache.hadoop.mapreduce.Reducer<ImmutableBytesWritable,ImmutableBytesWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

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
DedupRootsToCsvReducer()

Method Summary

Modifier and Type	Method and Description
void	cleanup(org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	reduce(ImmutableBytesWritable key, Iterable<ImmutableBytesWritable> 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

run

Methods inherited from class java.lang.Object

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

Constructor Detail

DedupRootsToCsvReducer

public DedupRootsToCsvReducer()

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<ImmutableBytesWritable,ImmutableBytesWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException

reduce

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

Overrides:

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

Throws:

IOException

InterruptedException

cleanup

public void cleanup(org.apache.hadoop.mapreduce.Reducer.Context context)
             throws IOException,
                    InterruptedException

Overrides:

cleanup in class org.apache.hadoop.mapreduce.Reducer<ImmutableBytesWritable,ImmutableBytesWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException