Struct EmbeddingProviderConfig 

pub struct EmbeddingProviderConfig {
    pub provider: String,
    pub model: String,
    pub api_key: Option<String>,
    pub cache_dir: Option<String>,
    pub batch_size: usize,
    pub dimensions: Option<usize>,
}

Embedding provider configuration

Fields

provider: String

Provider type: “huggingface”, “openai”, “voyage”, “cohere”, “jina”, “mistral”, “together”

model: String

Model identifier

• HuggingFace: “sentence-transformers/all-MiniLM-L6-v2”
• OpenAI: “text-embedding-3-small” or “text-embedding-3-large”
• Voyage: “voyage-3-large”, “voyage-code-3”, etc.
• Cohere: “embed-english-v3.0”
• Jina: “jina-embeddings-v3”
• Mistral: “mistral-embed”
• Together: “BAAI/bge-large-en-v1.5”

api_key: Option<String>

API key (for API providers) Can also be set via environment variables:

• OPENAI_API_KEY
• VOYAGE_API_KEY
• COHERE_API_KEY
• JINA_API_KEY
• MISTRAL_API_KEY
• TOGETHER_API_KEY

cache_dir: Option<String>

Cache directory for downloaded models (HuggingFace) Default: ~/.cache/huggingface/hub

batch_size: usize

Batch size for processing multiple texts

dimensions: Option<usize>

Embedding dimensions (read-only, determined by model)

Implementations

impl EmbeddingProviderConfig

pub fn to_embedding_config(&self) -> Result<EmbeddingConfig>

Convert TOML config to EmbeddingConfig

pub fn from_toml_file(path: impl Into<PathBuf>) -> Result<Self>

Load from TOML file

pub fn to_toml_file(&self, path: impl Into<PathBuf>) -> Result<()>

Save to TOML file

pub fn examples() -> Vec<(String, Self)>

Create example configurations for different use cases

Trait Implementations

impl Clone for EmbeddingProviderConfig

fn clone(&self) -> EmbeddingProviderConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EmbeddingProviderConfig

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

Formats the value using the given formatter.

impl Default for EmbeddingProviderConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for EmbeddingProviderConfig

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for EmbeddingProviderConfig

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.