edu.umn.cs.spatialHadoop.operations

Class SJMR.SelfSJMRMap

java.lang.Object

MapReduceBase

edu.umn.cs.spatialHadoop.operations.SJMR.SelfSJMRMap

Enclosing class:

SJMR

public static class SJMR.SelfSJMRMap
extends MapReduceBase

Map function for the self join version of SJMR. Instead of associating each record with an index to indicate whether it's left or right, each record is only replicated once and the reduce function will do a self join for all input records.

Author:

Ahmed Eldawy

Constructor Summary

Constructors

Constructor and Description
SJMR.SelfSJMRMap()

Method Summary

Methods

Modifier and Type	Method and Description
void	map(Rectangle key, Shape shape, output, Reporter reporter)

Methods inherited from class java.lang.Object

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

Constructor Detail

SJMR.SelfSJMRMap

public SJMR.SelfSJMRMap()

Method Detail

map

public void map(Rectangle key,
       Shape shape,
        output,
       Reporter reporter)
         throws java.io.IOException

Throws:

java.io.IOException