de.hpi.fgis.voidgen.hadoop.tasks.joining
Class Join1Reducer

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by de.hpi.fgis.voidgen.hadoop.tasks.joining.Join1Reducer
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<StringIntPair,RDFQuadruple,StringIntPair,RDFQuadruple>

public class Join1Reducer
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Reducer<StringIntPair,RDFQuadruple,StringIntPair,RDFQuadruple>

Applies the subject cluster to each quadruple with the given subject.

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

Constructor Summary
Join1Reducer()
           
 
Method Summary
 void reduce(StringIntPair key, java.util.Iterator<RDFQuadruple> values, org.apache.hadoop.mapred.OutputCollector<StringIntPair,RDFQuadruple> output, org.apache.hadoop.mapred.Reporter reporter)
           
 
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase
close, configure
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable
configure
 
Methods inherited from interface java.io.Closeable
close
 

Constructor Detail

Join1Reducer

public Join1Reducer()
Method Detail

reduce

public void reduce(StringIntPair key,
                   java.util.Iterator<RDFQuadruple> values,
                   org.apache.hadoop.mapred.OutputCollector<StringIntPair,RDFQuadruple> output,
                   org.apache.hadoop.mapred.Reporter reporter)
            throws java.io.IOException
Specified by:
reduce in interface org.apache.hadoop.mapred.Reducer<StringIntPair,RDFQuadruple,StringIntPair,RDFQuadruple>
Throws:
java.io.IOException