edu.umn.cs.spatialHadoop.operations

Class KNN.KNNReduce<S extends Shape>

java.lang.Object

edu.umn.cs.spatialHadoop.operations.KNN.KNNReduce<S>

Enclosing class:

KNN

public static class KNN.KNNReduce<S extends Shape>
extends 

Reduce (and combine) class for KNN MapReduce. Given a list of shapes, choose the k with least distances.

Author:

eldawy

Constructor Summary

Constructors

Constructor and Description
KNN.KNNReduce()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	reduce(NullWritable dummy, java.lang.Iterable<KNN.TextWithDistance> values, Context context)
protected void	setup(Context context)

Methods inherited from class java.lang.Object

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

Constructor Detail

KNN.KNNReduce

public KNN.KNNReduce()

Method Detail

setup

protected void setup(Context context)
              throws java.io.IOException,
                     java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException

reduce

protected void reduce(NullWritable dummy,
          java.lang.Iterable<KNN.TextWithDistance> values,
          Context context)
               throws java.io.IOException,
                      java.lang.InterruptedException

Throws:

java.io.IOException

java.lang.InterruptedException