oracle.spatial.hadoop.vector.join

Class JoinGroupKeyComparator

java.lang.Object

org.apache.hadoop.io.WritableComparator

oracle.spatial.hadoop.vector.join.JoinGroupKeyComparator

All Implemented Interfaces:

java.util.Comparator, org.apache.hadoop.conf.Configurable, org.apache.hadoop.io.RawComparator

public class JoinGroupKeyComparator
extends org.apache.hadoop.io.WritableComparator

A WritableComparator implementation that compares instances of JoinGroupKeyComparator by both, partition id and data set length.

Constructor Summary

Constructors

Constructor and Description
JoinGroupKeyComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(org.apache.hadoop.io.WritableComparable a, org.apache.hadoop.io.WritableComparable b)

Methods inherited from class org.apache.hadoop.io.WritableComparator

compare, compare, compareBytes, define, get, get, getConf, getKeyClass, hashBytes, hashBytes, newKey, readDouble, readFloat, readInt, readLong, readUnsignedShort, readVInt, readVLong, setConf

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

JoinGroupKeyComparator

public JoinGroupKeyComparator()

Method Detail

compare

public int compare(org.apache.hadoop.io.WritableComparable a,
                   org.apache.hadoop.io.WritableComparable b)

Overrides:

compare in class org.apache.hadoop.io.WritableComparator