co.cask.cdap.hbase.wd

Class RowKeyDistributorByHashPrefix

java.lang.Object

co.cask.cdap.hbase.wd.AbstractRowKeyDistributor

co.cask.cdap.hbase.wd.RowKeyDistributorByHashPrefix

All Implemented Interfaces:

Parametrizable

public class RowKeyDistributorByHashPrefix
extends AbstractRowKeyDistributor

Provides handy methods to distribute

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	RowKeyDistributorByHashPrefix.Hasher todo
static class	RowKeyDistributorByHashPrefix.OneByteSimpleHash todo

Constructor Summary

Constructors

Constructor and Description
RowKeyDistributorByHashPrefix() Constructor reflection.
RowKeyDistributorByHashPrefix(RowKeyDistributorByHashPrefix.Hasher hasher)

Method Summary

Methods

Modifier and Type	Method and Description
byte[][]	getAllDistributedKeys(byte[] originalKey)
byte[]	getDistributedKey(byte[] originalKey)
byte[]	getOriginalKey(byte[] adjustedKey)
String	getParamsToStore()
void	init(String params)

Methods inherited from class co.cask.cdap.hbase.wd.AbstractRowKeyDistributor

addInfo, getDistributedIntervals, getDistributedScans

Methods inherited from class java.lang.Object

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

Constructor Detail

RowKeyDistributorByHashPrefix

public RowKeyDistributorByHashPrefix()

Constructor reflection. DO NOT USE

RowKeyDistributorByHashPrefix

public RowKeyDistributorByHashPrefix(RowKeyDistributorByHashPrefix.Hasher hasher)

Method Detail

getDistributedKey

public byte[] getDistributedKey(byte[] originalKey)

Specified by:

getDistributedKey in class AbstractRowKeyDistributor

getOriginalKey

public byte[] getOriginalKey(byte[] adjustedKey)

Specified by:

getOriginalKey in class AbstractRowKeyDistributor

getAllDistributedKeys

public byte[][] getAllDistributedKeys(byte[] originalKey)

Specified by:

getAllDistributedKeys in class AbstractRowKeyDistributor

getParamsToStore

public String getParamsToStore()

init

public void init(String params)