edu.umn.cs.spatialHadoop.operations

Class ClosestPairHadoop

java.lang.Object

edu.umn.cs.spatialHadoop.operations.ClosestPairHadoop

public class ClosestPairHadoop
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClosestPairHadoop.Map0
static class	ClosestPairHadoop.Map1
static class	ClosestPairHadoop.Reduce0
static class	ClosestPairHadoop.Reduce1

Constructor Summary

Constructors

Constructor and Description
ClosestPairHadoop()

Method Summary

Methods

Modifier and Type	Method and Description
static <S extends Shape> void	cloesetPair(Path file, OperationsParams params) Counts the exact number of lines in a file by issuing a MapReduce job that does the thing
static void	main(java.lang.String[] args)
static edu.umn.cs.spatialHadoop.operations.ClosestPairHadoop.DistanceAndPair	nearestNeighbor(Point[] a, Point[] tmp, int l, int r) [l, r] inclusive
static void	samplePoint(FileSystem fs, Path inputFile)

Methods inherited from class java.lang.Object

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

Constructor Detail

ClosestPairHadoop

public ClosestPairHadoop()

Method Detail

nearestNeighbor

public static edu.umn.cs.spatialHadoop.operations.ClosestPairHadoop.DistanceAndPair nearestNeighbor(Point[] a,
                                                                                    Point[] tmp,
                                                                                    int l,
                                                                                    int r)

[l, r] inclusive

Parameters:

l -

r -

Returns:

cloesetPair

public static <S extends Shape> void cloesetPair(Path file,
                                 OperationsParams params)
                        throws java.io.IOException

Counts the exact number of lines in a file by issuing a MapReduce job that does the thing

Parameters:

conf -

fs -

file -

Throws:

java.io.IOException

samplePoint

public static void samplePoint(FileSystem fs,
               Path inputFile)
                        throws java.io.IOException

Throws:

java.io.IOException

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException

Parameters:

args -

Throws:

java.io.IOException