Base

class BaseEmbedder(ABC):
    """Abstract base class for text node embedding operations.

    Defines interface for embedding generation and storage operations
    on text nodes.

    Attributes:
        embedding_model: Model for generating embeddings
        vector_store: Storage for embedding vectors
    """

    def __init__(
        self, embedding_model: BaseEmbedding, vector_store: VectorStore
    ):
        """Initialize embedder with model and storage.

        Args:
            embedding_model: Model to generate embeddings
            vector_store: Storage for embedding vectors
        """
        super().__init__()
        self.embedding_model = embedding_model
        self.vector_store = vector_store

    @abstractmethod
    def save(self, nodes: List[TextNode]) -> None:
        """Save embedded text nodes to vector store.

        Args:
            nodes: Collection of text nodes with embeddings
        """
        pass

    @abstractmethod
    def embed(self, nodes: List[TextNode]) -> None:
        """Generate embeddings for text nodes in batches.

        Args:
            nodes: Collection of text nodes to embed

        Note:
            Modifies nodes in-place by adding embeddings
        """
        pass