org.openimaj.hadoop.tools.image.indexing

Class HadoopSiftLSHExtractor.LSHPartitioner

java.lang.Object

org.apache.hadoop.mapreduce.Partitioner<HadoopSiftLSHExtractor.MapperOut,org.apache.hadoop.io.Text>

org.openimaj.hadoop.tools.image.indexing.HadoopSiftLSHExtractor.LSHPartitioner

Enclosing class:

HadoopSiftLSHExtractor

public static class HadoopSiftLSHExtractor.LSHPartitioner
extends org.apache.hadoop.mapreduce.Partitioner<HadoopSiftLSHExtractor.MapperOut,org.apache.hadoop.io.Text>

Partitioner that sends the data to a reducer based on the HadoopSiftLSHExtractor.MapperOut.index.

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Constructor Summary

Constructors

Constructor and Description
LSHPartitioner()

Method Summary

Modifier and Type	Method and Description
int	getPartition(HadoopSiftLSHExtractor.MapperOut key, org.apache.hadoop.io.Text value, int numPartitions)

Methods inherited from class java.lang.Object

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

Constructor Detail

LSHPartitioner

public LSHPartitioner()

Method Detail

getPartition

public int getPartition(HadoopSiftLSHExtractor.MapperOut key,
                        org.apache.hadoop.io.Text value,
                        int numPartitions)

Specified by:

getPartition in class org.apache.hadoop.mapreduce.Partitioner<HadoopSiftLSHExtractor.MapperOut,org.apache.hadoop.io.Text>