org.apache.hadoop.hbase.codec.prefixtree.encode.other

Class CellTypeEncoder

java.lang.Object

org.apache.hadoop.hbase.codec.prefixtree.encode.other.CellTypeEncoder

@InterfaceAudience.Private
public class CellTypeEncoder
extends Object

Detect if every KV has the same KeyValue.Type, in which case we don't need to store it for each KV. If(allSameType) during conversion to byte[], then we can store the "onlyType" in blockMeta, therefore not repeating it for each cell and saving 1 byte per cell.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	allSameType
protected byte	onlyType
protected boolean	pendingFirstType fields

Constructor Summary

Constructors

Constructor and Description
CellTypeEncoder()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(byte type) methods
boolean	areAllSameType() get/set
byte	getOnlyType()
void	reset() construct

Methods inherited from class java.lang.Object

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

Field Detail

pendingFirstType

protected boolean pendingFirstType

fields

allSameType

protected boolean allSameType

onlyType

protected byte onlyType

Constructor Detail

CellTypeEncoder

public CellTypeEncoder()

Method Detail

reset

public void reset()

construct

add

public void add(byte type)

methods

areAllSameType

public boolean areAllSameType()

get/set

getOnlyType

public byte getOnlyType()