org.apache.hadoop.util.bloom
Interface RemoveScheme

All Known Implementing Classes:

RetouchedBloomFilter

@InterfaceAudience.Public
@InterfaceStability.Stable
public interface RemoveScheme

Defines the different remove scheme for retouched Bloom filters.

Originally created by European Commission One-Lab Project 034819.

Field Summary

static short	MAXIMUM_FP MaximumFP Selection.
static short	MINIMUM_FN MinimumFN Selection.
static short	RANDOM Random selection.
static short	RATIO Ratio Selection.

Field Detail

RANDOM

static final short RANDOM

Random selection.

The idea is to randomly select a bit to reset.

See Also:

Constant Field Values

MINIMUM_FN

static final short MINIMUM_FN

MinimumFN Selection.

The idea is to select the bit to reset that will generate the minimum number of false negative.

See Also:

Constant Field Values

MAXIMUM_FP

static final short MAXIMUM_FP

MaximumFP Selection.

The idea is to select the bit to reset that will remove the maximum number of false positive.

See Also:

Constant Field Values

RATIO

static final short RATIO

Ratio Selection.

The idea is to select the bit to reset that will, at the same time, remove the maximum number of false positve while minimizing the amount of false negative generated.

See Also:

Constant Field Values