de.hpi.fgis.voidgen.hadoop.tasks.clusterinformation
Class ClusterInfoPatternStep1Mapper

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<RDFQuadruple,org.apache.hadoop.io.NullWritable,StringIntPair,org.apache.hadoop.io.Text>
      extended by de.hpi.fgis.voidgen.hadoop.tasks.clusterinformation.ClusterInfoPatternStep1Mapper

public class ClusterInfoPatternStep1Mapper
extends org.apache.hadoop.mapreduce.Mapper<RDFQuadruple,org.apache.hadoop.io.NullWritable,StringIntPair,org.apache.hadoop.io.Text>

Outputs for subject and object of each quadruple each URL part of subject and object URL.

Input

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
ClusterInfoPatternStep1Mapper()
           
 
Method Summary
 void map(RDFQuadruple key, org.apache.hadoop.io.NullWritable 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

ClusterInfoPatternStep1Mapper

public ClusterInfoPatternStep1Mapper()
Method Detail

map

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