freenet.support

Class NullBloomFilter

java.lang.Object

freenet.support.BloomFilter

freenet.support.NullBloomFilter

public class NullBloomFilter
extends BloomFilter

Field Summary

Fields inherited from class freenet.support.BloomFilter

filter, forkedFilter, k, length, lock, needRebuild

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NullBloomFilter(int length, int k)

Method Summary

Modifier and Type	Method and Description
void	addKey(byte[] key)
boolean	checkFilter(byte[] key)
void	discard()
void	fork(int k) Create an empty, in-memory copy of bloom filter.
protected boolean	getBit(int offset)
void	merge()
void	removeKey(byte[] key)
protected void	setBit(int offset)
protected void	unsetBit(int offset)

Methods inherited from class freenet.support.BloomFilter

addKeyForked, close, copyTo, createFilter, createFilter, finalize, force, getFilledCount, getHashes, getK, getLength, getSizeBytes, init, needRebuild, optimialK, unsetAll, writeTo

Methods inherited from class java.lang.Object

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

Constructor Detail

NullBloomFilter

protected NullBloomFilter(int length,
                          int k)

Method Detail

checkFilter

public boolean checkFilter(byte[] key)

Overrides:

checkFilter in class BloomFilter

addKey

public void addKey(byte[] key)

Overrides:

addKey in class BloomFilter

removeKey

public void removeKey(byte[] key)

Overrides:

removeKey in class BloomFilter

getBit

protected boolean getBit(int offset)

Specified by:

getBit in class BloomFilter

setBit

protected void setBit(int offset)

Specified by:

setBit in class BloomFilter

unsetBit

protected void unsetBit(int offset)

Specified by:

unsetBit in class BloomFilter

fork

public void fork(int k)

Description copied from class: BloomFilter

Create an empty, in-memory copy of bloom filter. New updates are written to both filters. This is written back to disk on #merge()

Specified by:

fork in class BloomFilter

discard

public void discard()

Overrides:

discard in class BloomFilter

merge

public void merge()

Overrides:

merge in class BloomFilter