Package org.apache.hadoop.hbase.util

Class BloomContext

java.lang.Object

org.apache.hadoop.hbase.util.BloomContext

Direct Known Subclasses:

RowBloomContext, RowColBloomContext

@Private
public abstract class BloomContext
extends Object

The bloom context that is used by the StorefileWriter to add the bloom details per cell

Field Summary

Fields

Modifier and Type	Field	Description
protected BloomFilterWriter	bloomFilterWriter
protected CellComparator	comparator

Constructor Summary

Constructors

Constructor	Description
BloomContext(BloomFilterWriter bloomFilterWriter, CellComparator comparator)

Method Summary

Modifier and Type	Method	Description
abstract void	addLastBloomKey(HFile.Writer writer)	Adds the last bloom key to the HFile Writer as part of StorefileWriter close.
Cell	getLastCell()
protected abstract boolean	isNewKey(Cell cell)	Returns true if the cell is a new key as per the bloom type
private void	sanityCheck(Cell cell)
void	writeBloom(Cell cell)	Bloom information from the cell is retrieved

Methods inherited from class java.lang.Object

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

Field Details

bloomFilterWriter

protected BloomFilterWriter bloomFilterWriter

comparator

protected CellComparator comparator

Constructor Details

BloomContext

public BloomContext(BloomFilterWriter bloomFilterWriter,
 CellComparator comparator)

Method Details

getLastCell

public Cell getLastCell()

writeBloom

public void writeBloom(Cell cell)
                throws IOException

Bloom information from the cell is retrieved

Throws:

IOException

sanityCheck

private void sanityCheck(Cell cell)
                  throws IOException

Throws:

IOException

addLastBloomKey

public abstract void addLastBloomKey(HFile.Writer writer)
                              throws IOException

Adds the last bloom key to the HFile Writer as part of StorefileWriter close.

Throws:

IOException

isNewKey

protected abstract boolean isNewKey(Cell cell)

Returns true if the cell is a new key as per the bloom type

Parameters:

cell - the cell to be verified

Returns:

true if a new key else false