org.apache.avro.hadoop.io

Class AvroKeyComparator<T>

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.avro.hadoop.io.AvroKeyComparator<T>

All Implemented Interfaces:

Comparator<AvroKey<T>>, Configurable, RawComparator<AvroKey<T>>

public class AvroKeyComparator<T>
extends Configured
implements RawComparator<AvroKey<T>>

The RawComparator used by jobs configured with AvroJob.

Compares AvroKeys output from the map phase for sorting.

Constructor Summary

Constructors

Constructor and Description
AvroKeyComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(AvroKey<T> x, AvroKey<T> y)
int	compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2)
void	setConf(Configuration conf)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf

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

AvroKeyComparator

public AvroKeyComparator()

Method Detail

setConf

public void setConf(Configuration conf)

Specified by:

setConf in interface Configurable

Overrides:

setConf in class Configured

compare

public int compare(byte[] b1,
                   int s1,
                   int l1,
                   byte[] b2,
                   int s2,
                   int l2)

Specified by:

compare in interface RawComparator<AvroKey<T>>

compare

public int compare(AvroKey<T> x,
                   AvroKey<T> y)

Specified by:

compare in interface Comparator<AvroKey<T>>