org.apache.hadoop.hbase.migration.nineteen.io
Class BloomFilterMapFile

java.lang.Object
  org.apache.hadoop.io.MapFile
      org.apache.hadoop.hbase.migration.nineteen.io.HBaseMapFile
          org.apache.hadoop.hbase.migration.nineteen.io.BloomFilterMapFile

public class BloomFilterMapFile
extends HBaseMapFile

On write, all keys are added to a bloom filter. On read, all keys are tested first against bloom filter. Keys are HStoreKey. If passed bloom filter is null, just passes invocation to parent.

Nested Class Summary

static class	BloomFilterMapFile.Reader
static class	BloomFilterMapFile.Writer

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.migration.nineteen.io.HBaseMapFile

HBaseMapFile.HBaseReader, HBaseMapFile.HBaseWriter

Field Summary

protected static String

BLOOMFILTER_FILE_NAME

Fields inherited from class org.apache.hadoop.hbase.migration.nineteen.io.HBaseMapFile

VALUE_CLASS

Fields inherited from class org.apache.hadoop.io.MapFile

DATA_FILE_NAME, INDEX_FILE_NAME

Constructor Summary

BloomFilterMapFile()

Method Summary

protected static Key

getBloomFilterKey(org.apache.hadoop.io.WritableComparable key) Custom bloom filter key maker.

Methods inherited from class org.apache.hadoop.io.MapFile

delete, fix, main, rename

Methods inherited from class java.lang.Object

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

Field Detail

BLOOMFILTER_FILE_NAME

protected static final String BLOOMFILTER_FILE_NAME

See Also:

Constant Field Values

Constructor Detail

BloomFilterMapFile

public BloomFilterMapFile()

Method Detail

getBloomFilterKey

protected static Key getBloomFilterKey(org.apache.hadoop.io.WritableComparable key)

Custom bloom filter key maker.

Parameters:

key -

Returns:

Key made of bytes of row only.