eu.dnetlib.data.mapreduce.hbase.dataexport

Class ExportResultIdentifiersMapper

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.ExportResultIdentifiersMapper

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

Exports the result identifiers as json.

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
ExportResultIdentifiersMapper()

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

ExportResultIdentifiersMapper

public ExportResultIdentifiersMapper()

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