co.cask.cdap.hbase.wd

Class RowKeyDistributorByHashPrefix.OneByteSimpleHash

java.lang.Object

co.cask.cdap.hbase.wd.RowKeyDistributorByHashPrefix.OneByteSimpleHash

All Implemented Interfaces:

Parametrizable, RowKeyDistributorByHashPrefix.Hasher

Enclosing class:

RowKeyDistributorByHashPrefix

public static class RowKeyDistributorByHashPrefix.OneByteSimpleHash
extends Object
implements RowKeyDistributorByHashPrefix.Hasher

todo

Constructor Summary

Constructors

Constructor and Description
RowKeyDistributorByHashPrefix.OneByteSimpleHash() For reflection, do NOT use it.
RowKeyDistributorByHashPrefix.OneByteSimpleHash(int maxBuckets) Creates a new instance of this class.

Method Summary

Methods

Modifier and Type	Method and Description
byte[][]	getAllPossiblePrefixes()
byte[]	getHashPrefix(byte[] originalKey)
String	getParamsToStore()
int	getPrefixLength(byte[] adjustedKey)
void	init(String storedParams)

Methods inherited from class java.lang.Object

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

Constructor Detail

RowKeyDistributorByHashPrefix.OneByteSimpleHash

public RowKeyDistributorByHashPrefix.OneByteSimpleHash()

For reflection, do NOT use it.

RowKeyDistributorByHashPrefix.OneByteSimpleHash

public RowKeyDistributorByHashPrefix.OneByteSimpleHash(int maxBuckets)

Creates a new instance of this class.

Parameters:

maxBuckets - max buckets number, should be in 1...255 range

Method Detail

getHashPrefix

public byte[] getHashPrefix(byte[] originalKey)

Specified by:

getHashPrefix in interface RowKeyDistributorByHashPrefix.Hasher

getAllPossiblePrefixes

public byte[][] getAllPossiblePrefixes()

Specified by:

getAllPossiblePrefixes in interface RowKeyDistributorByHashPrefix.Hasher

getPrefixLength

public int getPrefixLength(byte[] adjustedKey)

Specified by:

getPrefixLength in interface RowKeyDistributorByHashPrefix.Hasher

getParamsToStore

public String getParamsToStore()

Specified by:

getParamsToStore in interface Parametrizable

init

public void init(String storedParams)

Specified by:

init in interface Parametrizable