org.apache.jena.hadoop.rdf.mapreduce.count.positional

Class QuadObjectCountMapper<TKey>

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<TKey,T,NodeWritable,org.apache.hadoop.io.LongWritable>

org.apache.jena.hadoop.rdf.mapreduce.count.AbstractNodeTupleNodeCountMapper<TKey,Quad,QuadWritable>

org.apache.jena.hadoop.rdf.mapreduce.count.QuadNodeCountMapper<TKey>

org.apache.jena.hadoop.rdf.mapreduce.count.positional.QuadObjectCountMapper<TKey>

Type Parameters:

TKey - Key type

public class QuadObjectCountMapper<TKey>
extends QuadNodeCountMapper<TKey>

A mapper for counting object node usages within quads designed primarily for use in conjunction with NodeCountReducer

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
QuadObjectCountMapper()

Method Summary

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

run

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

QuadObjectCountMapper

public QuadObjectCountMapper()