de.hpi.fgis.voidgen.hadoop.tasks.clustering1
Class Task2ClusteringMapper

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,StringStringPair,org.apache.hadoop.io.NullWritable>
      extended by de.hpi.fgis.voidgen.hadoop.tasks.clustering1.Task2ClusteringMapper

public class Task2ClusteringMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,StringStringPair,org.apache.hadoop.io.NullWritable>

Reads all RDF quadruples

Input - files containing 1 RDF quadruple per line

Output

Author:
Dandy Fenz, Hasso Plattner Institute at University of Potsdam, Germany, Matthias Pohl, Hasso Plattner Institute at University of Potsdam, Germany, Johannes Gosda, Hasso Plattner Institute at University of Potsdam, Germany

Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper
org.apache.hadoop.mapreduce.Mapper.Context
 
Constructor Summary
Task2ClusteringMapper()
           
 
Method Summary
 void map(org.apache.hadoop.io.LongWritable key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context context)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Mapper
cleanup, run, setup
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Task2ClusteringMapper

public Task2ClusteringMapper()
Method Detail

map

public void map(org.apache.hadoop.io.LongWritable key,
                org.apache.hadoop.io.Text value,
                org.apache.hadoop.mapreduce.Mapper.Context context)
         throws java.io.IOException,
                java.lang.InterruptedException
Overrides:
map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,StringStringPair,org.apache.hadoop.io.NullWritable>
Throws:
java.io.IOException
java.lang.InterruptedException