oracle.spatial.hadoop.vector.join

Class JoinGroupGroupComparator

java.lang.Object

WritableComparator

oracle.spatial.hadoop.vector.join.JoinGroupGroupComparator

public class JoinGroupGroupComparator
extends WritableComparator

A WritableComparator implementation that compare instances of JoinGroupKeyComparator only by their partition ids so records from different data sets but mapped to the same partition can be assigned to the same reduce group.

Author:

hsaucedo

Method Summary

Modifier and Type	Method and Description
int	compare(WritableComparable a, WritableComparable b)

Methods inherited from class java.lang.Object

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

Method Detail

compare

public int compare(WritableComparable a,
                   WritableComparable b)