Struct HnswIndex 

pub struct HnswIndex { /* private fields */ }

HNSW Index for approximate nearest neighbor search

Implementations

impl HnswIndex

pub fn new() -> Self

Create a new HNSW index with default configuration

pub fn with_config(config: HnswConfig) -> Self

Create a new HNSW index with custom configuration

pub fn insert(&self, id: VectorId, vector: Vec<f32>)

Insert a vector into the index

pub fn search(&self, query: &[f32], k: usize) -> Vec<(VectorId, f32)>

Search for k nearest neighbors

pub fn search_with_ef( &self, query: &[f32], k: usize, ef: usize, ) -> Vec<(VectorId, f32)>

Search with custom ef parameter

pub fn delete(&self, id: &VectorId) -> bool

Delete a vector from the index

pub fn len(&self) -> usize

Get the number of vectors in the index

pub fn is_empty(&self) -> bool

Check if the index is empty

pub fn stats(&self) -> HnswStats

Get index statistics

pub fn config(&self) -> &HnswConfig

Get configuration

pub fn dimension(&self) -> Option<usize>

Get dimension

pub fn entry_point(&self) -> Option<usize>

Get entry point node index

pub fn max_level(&self) -> usize

Get maximum level in the graph

pub fn from_snapshot(snapshot: HnswFullSnapshot) -> Result<Self, String>

Restore HNSW index from a full snapshot

Trait Implementations

impl Default for HnswIndex

fn default() -> Self

Returns the “default value” for a type.

impl Persistable for HnswIndex

type Snapshot = HnswFullSnapshot

The snapshot type for this index

fn to_snapshot(&self) -> HnswFullSnapshot

Create a snapshot of the current state

fn from_snapshot(snapshot: HnswFullSnapshot) -> Result<Self, String>

Restore from a snapshot

fn to_bytes(&self) -> Result<Vec<u8>, String>

Serialize to bytes (JSON format)

fn from_bytes(data: &[u8]) -> Result<Self, String>

Deserialize from bytes (JSON format)