Enum EmbeddingModel 

pub enum EmbeddingModel {
    AllMiniLmL6V2,
    E5SmallV2,
    BgeSmallEnV15,
    BgeBaseEnV15,
}

Supported embedding models.

Each variant carries model metadata: HF repo ID, pinned revision, SHA-256 hashes for integrity verification, and prefix functions for asymmetric query/document embedding.

Variants

AllMiniLmL6V2

sentence-transformers/all-MiniLM-L6-v2 (default, no prefixes, 384-dim)

E5SmallV2

intfloat/e5-small-v2 (query: “query: {text}”, document: “passage: {text}”, 384-dim)

BgeSmallEnV15

BAAI/bge-small-en-v1.5 (query prefix, no doc prefix, 384-dim)

BgeBaseEnV15

BAAI/bge-base-en-v1.5 (query prefix, no doc prefix, 768-dim)

Implementations

impl EmbeddingModel

pub fn embedding_dim(&self) -> usize

Embedding dimension for this model

pub fn model_id(&self) -> &'static str

Hugging Face model repository ID

pub fn revision(&self) -> &'static str

Pinned git revision for reproducible downloads

pub fn model_sha256(&self) -> &'static str

Expected SHA-256 hash of model.safetensors

pub fn tokenizer_sha256(&self) -> &'static str

Expected SHA-256 hash of tokenizer.json

pub fn config_sha256(&self) -> &'static str

Expected SHA-256 hash of config.json

pub fn prefix_query<'a>(&self, text: &'a str) -> Cow<'a, str>

Apply query prefix for asymmetric search

pub fn prefix_document<'a>(&self, text: &'a str) -> Cow<'a, str>

Apply document prefix for asymmetric search

pub fn from_env_str(s: &str) -> Option<Self>

Parse from env var value (e.g. “e5-small-v2”, “bge-small-en-v1.5”)

Trait Implementations

impl Clone for EmbeddingModel

fn clone(&self) -> EmbeddingModel

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EmbeddingModel

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for EmbeddingModel

fn default() -> EmbeddingModel

Returns the “default value” for a type.

impl PartialEq for EmbeddingModel

fn eq(&self, other: &EmbeddingModel) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for EmbeddingModel

impl Eq for EmbeddingModel

impl StructuralPartialEq for EmbeddingModel