eu.dnetlib.data.mapreduce.hbase.dedup.fixrelation

Class DedupFixRelationReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,org.apache.hadoop.io.Writable>

org.apache.hadoop.hbase.mapreduce.TableReducer<Key,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable>

eu.dnetlib.data.mapreduce.hbase.dedup.fixrelation.DedupFixRelationReducer

public class DedupFixRelationReducer
extends org.apache.hadoop.hbase.mapreduce.TableReducer<Key,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable>

Created by sandro on 2/24/17.

Nested Class Summary

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

org.apache.hadoop.mapreduce.Reducer.Context

Field Summary

Fields

Modifier and Type	Field and Description
static String	COUNTER_GROUP

Constructor Summary

Constructors

Constructor and Description
DedupFixRelationReducer()

Method Summary

Modifier and Type	Method and Description
protected void	reduce(Key key, Iterable<org.apache.hadoop.hbase.io.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

cleanup, run

Methods inherited from class java.lang.Object

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

Field Detail

COUNTER_GROUP

public static final String COUNTER_GROUP

See Also:

Constant Field Values

Constructor Detail

DedupFixRelationReducer

public DedupFixRelationReducer()

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<Key,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.io.Writable>

Throws:

IOException

InterruptedException

reduce

protected void reduce(Key key,
                      Iterable<org.apache.hadoop.hbase.io.ImmutableBytesWritable> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<Key,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.io.Writable>