org.apache.accumulo.examples.simple.mapreduce

Class TeraSortIngest.SortGenMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text,Mutation>

org.apache.accumulo.examples.simple.mapreduce.TeraSortIngest.SortGenMapper

Enclosing class:

TeraSortIngest

public static class TeraSortIngest.SortGenMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text,Mutation>

The Mapper class that given a row number, will generate the appropriate output line.

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
TeraSortIngest.SortGenMapper()

Method Summary

Methods

Modifier and Type	Method and Description
void	map(org.apache.hadoop.io.LongWritable row, org.apache.hadoop.io.NullWritable ignored, org.apache.hadoop.mapreduce.Mapper.Context context)
void	setup(org.apache.hadoop.mapreduce.Mapper.Context job)

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

TeraSortIngest.SortGenMapper

public TeraSortIngest.SortGenMapper()

Method Detail

map

public void map(org.apache.hadoop.io.LongWritable row,
       org.apache.hadoop.io.NullWritable ignored,
       org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException,
                InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text,Mutation>

Throws:

IOException

InterruptedException

setup

public void setup(org.apache.hadoop.mapreduce.Mapper.Context job)

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.Text,Mutation>