Package org.apache.hadoop.hbase.io.hfile

Class KeySampler

java.lang.Object

org.apache.hadoop.hbase.io.hfile.KeySampler

class KeySampler
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
(package private) RandomDistribution.DiscreteRNG	keyLenRNG
(package private) int	max
(package private) int	min
private static final int	MIN_KEY_LEN
(package private) Random	random

Constructor Summary

Constructors

Constructor	Description
KeySampler(Random random, byte[] first, byte[] last, RandomDistribution.DiscreteRNG keyLenRNG)

Method Summary

Modifier and Type	Method	Description
private int	keyPrefixToInt(byte[] key)
void	next(org.apache.hadoop.io.BytesWritable key)

Methods inherited from class java.lang.Object

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

Field Details

random

Random random

min

int min

max

int max

keyLenRNG

RandomDistribution.DiscreteRNG keyLenRNG

MIN_KEY_LEN

private static final int MIN_KEY_LEN

See Also:

• Constant Field Values

Constructor Details

KeySampler

public KeySampler(Random random,
 byte[] first,
 byte[] last,
 RandomDistribution.DiscreteRNG keyLenRNG)

Method Details

keyPrefixToInt

private int keyPrefixToInt(byte[] key)

next

public void next(org.apache.hadoop.io.BytesWritable key)