BloomFilter<T> class

Production-ready Bloom Filter implementation

Constructors

BloomFilter.custom({required int size, required int hashFunctions, List<int>? seeds})

Creates a Bloom filter with custom configuration

BloomFilter.fromConfig(BloomFilterConfig config)

Creates a Bloom filter from existing configuration

BloomFilter.fromJson(Map<String, dynamic> json)

Creates Bloom filter from JSON representation

factory

BloomFilter.optimal({required int expectedElements, required double falsePositiveRate})

Creates an empty Bloom filter with optimal configuration

Properties

bitDensity → double

Gets the current bit density (fraction of bits set to 1)

no setter

config → BloomFilterConfig

final

elementCount → int

Gets the current number of elements in the filter

no setter

estimatedFalsePositiveRate → double

Gets the current false positive rate estimate

no setter

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

add(T element) → void

Adds an element to the Bloom filter

addAll(Iterable<T> elements) → void

Adds multiple elements in batch for efficiency

clear() → void

Clears all bits in the filter

contains(T element) → bool

Checks if an element is probably in the Bloom filter

containsAll(Iterable<T> elements) → List<bool>

Checks if multiple elements are probably in the filter

intersection(BloomFilter<T> other) → BloomFilter<T>

Performs intersection operation with another Bloom filter

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

Serializes the Bloom filter for storage/transmission

toString() → String

A string representation of this object.

override

union(BloomFilter<T> other) → BloomFilter<T>

Performs union operation with another Bloom filter

Operators

operator ==(Object other) → bool

The equality operator.

inherited