Package org.apache.hadoop.hbase.util

Class RowColBloomHashKey

java.lang.Object

org.apache.hadoop.hbase.util.HashKey<Cell>

org.apache.hadoop.hbase.util.CellHashKey

org.apache.hadoop.hbase.util.RowColBloomHashKey

@Private
public class RowColBloomHashKey
extends CellHashKey

A hash key for ROWCOL bloom. This assumes the cells to be serialized in the Keyvalue serialization format with Empty column family. Note that the byte representing the family length is considered to be 0

Field Summary

Fields

Modifier and Type	Field	Description
private final int	qualLength
private final int	rowLength
private final int	totalLength

Fields inherited from class org.apache.hadoop.hbase.util.CellHashKey

LATEST_TS, MAX_TYPE

Fields inherited from class org.apache.hadoop.hbase.util.HashKey

t

Constructor Summary

Constructors

Constructor	Description
RowColBloomHashKey(Cell cell)

Method Summary

Modifier and Type	Method	Description
private long	assembleCrossingLE(int offset, int wordBytes)
byte	get(int offset)	Return The byte at the given position in this HashKey
int	getIntLE(int offset)	Returns the little-endian 32-bit int value starting at the given position in this HashKey.
int	length()	Returns The number of bytes in this HashKey

Methods inherited from class java.lang.Object

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

Field Details

rowLength

private final int rowLength

qualLength

private final int qualLength

totalLength

private final int totalLength

Constructor Details

RowColBloomHashKey

public RowColBloomHashKey(Cell cell)

Method Details

get

public byte get(int offset)

Description copied from class: HashKey

Return The byte at the given position in this HashKey

Specified by:

get in class HashKey<Cell>

length

public int length()

Description copied from class: HashKey

Returns The number of bytes in this HashKey

Specified by:

length in class HashKey<Cell>

getIntLE

public int getIntLE(int offset)

Description copied from class: HashKey

Returns the little-endian 32-bit int value starting at the given position in this HashKey.

Specified by:

getIntLE in class HashKey<Cell>

Parameters:

offset - the starting offset of the 4-byte little-endian int

Returns:

the 32-bit value decoded in little-endian order

assembleCrossingLE

private long assembleCrossingLE(int offset,
 int wordBytes)