com.google.common.hash

Class BloomFilterSpy

java.lang.Object

com.google.common.hash.BloomFilterSpy

public class BloomFilterSpy
extends Object

Additional methods for BloomFilter

Author:

Benoit Lacelle

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BloomFilterSpy()

Method Summary

Modifier and Type	Method and Description
static long	estimateCardinality(com.google.common.hash.BloomFilter<?> bloomFilter) https://en.wikipedia.org/wiki/Bloom_filter# Approximating_the_number_of_items_in_a_Bloom_filter

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

Constructor Detail

BloomFilterSpy

protected BloomFilterSpy()

Method Detail

estimateCardinality

public static long estimateCardinality(com.google.common.hash.BloomFilter<?> bloomFilter)

https://en.wikipedia.org/wiki/Bloom_filter# Approximating_the_number_of_items_in_a_Bloom_filter

Parameters:

bloomFilter -

Returns:

an estimation of the number of entries inserted in this BloomFilter. It is guaranteed to be at least one if at least one put happened