edu.umn.cs.spatialHadoop.operations

Class ClosestPair

java.lang.Object

edu.umn.cs.spatialHadoop.operations.ClosestPair

public class ClosestPair
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClosestPair.Map
static class	ClosestPair.Reduce

Constructor Summary

Constructors

Constructor and Description
ClosestPair()

Method Summary

Methods

Modifier and Type	Method and Description
static void	closestPair(Path file, OperationsParams params) Counts the exact number of lines in a file by issuing a MapReduce job that does the thing
static <S extends Shape> void	closestPairLocal(FileSystem fs, Path file, S stockShape)
static <S extends Point> void	closestPairStream(S p) Computes the closest pair by reading points from stream
static void	main(java.lang.String[] args)
static edu.umn.cs.spatialHadoop.operations.ClosestPair.DistanceAndPair	nearestNeighbor(Shape[] a, Point[] tmp, int l, int r) [l, r] inclusive

Methods inherited from class java.lang.Object

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

Constructor Detail

ClosestPair

public ClosestPair()

Method Detail

nearestNeighbor

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

[l, r] inclusive

Parameters:

l -

r -

Returns:

closestPairStream

public static <S extends Point> void closestPairStream(S p)
                              throws java.io.IOException

Computes the closest pair by reading points from stream

Parameters:

p -

Throws:

java.io.IOException

closestPairLocal

public static <S extends Shape> void closestPairLocal(FileSystem fs,
                                      Path file,
                                      S stockShape)
                             throws java.io.IOException

Throws:

java.io.IOException

closestPair

public static void closestPair(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

main

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

Parameters:

args -

Throws:

java.io.IOException