eu.dnetlib.data.mapreduce.hbase.dataexport

Class ExportInformationSpaceMergedUpdatesMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,KEYOUT,VALUEOUT>

org.apache.hadoop.hbase.mapreduce.TableMapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

eu.dnetlib.data.mapreduce.hbase.dataexport.ExportInformationSpaceMergedUpdatesMapper

public class ExportInformationSpaceMergedUpdatesMapper
extends TableMapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Exports Oaf objects as their json serialization.

Author:

claudio

Nested Class Summary

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

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor and Description
ExportInformationSpaceMergedUpdatesMapper()

Method Summary

Modifier and Type	Method and Description
protected void	map(ImmutableBytesWritable keyIn, Result value, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

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

cleanup, run

Methods inherited from class java.lang.Object

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

Constructor Detail

ExportInformationSpaceMergedUpdatesMapper

public ExportInformationSpaceMergedUpdatesMapper()

Method Detail

setup

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

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException

map

protected void map(ImmutableBytesWritable keyIn,
                   Result value,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
            throws IOException,
                   InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException