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Base KnowledgeStore

Base Knowledge Store

BaseKnowledgeStore

Bases: BaseModel, ABC

Base Knowledge Store Class.

Source code in src/fed_rag/base/knowledge_store.py 
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class BaseKnowledgeStore(BaseModel, ABC):
    """Base Knowledge Store Class."""

    model_config = ConfigDict(arbitrary_types_allowed=True)
    name: str = Field(
        description="Name of Knowledge Store used for caching and loading.",
        default=DEFAULT_KNOWLEDGE_STORE_NAME,
    )

    @abstractmethod
    def load_node(self, node: "KnowledgeNode") -> None:
        """Load a "KnowledgeNode" into the KnowledgeStore."""

    @abstractmethod
    def load_nodes(self, nodes: list["KnowledgeNode"]) -> None:
        """Load multiple "KnowledgeNode"s in batch."""

    @abstractmethod
    def retrieve(
        self, query_emb: list[float], top_k: int
    ) -> list[tuple[float, "KnowledgeNode"]]:
        """Retrieve top-k nodes from KnowledgeStore against a provided user query.

        Returns:
            A list of tuples where the first element represents the similarity score
            of the node to the query, and the second element is the node itself.
        """

    @abstractmethod
    def delete_node(self, node_id: str) -> bool:
        """Remove a node from the KnowledgeStore by ID, returning success status."""

    @abstractmethod
    def clear(self) -> None:
        """Clear all nodes from the KnowledgeStore."""

    @property
    @abstractmethod
    def count(self) -> int:
        """Return the number of nodes in the store."""

    @abstractmethod
    def persist(self) -> None:
        """Save the KnowledgeStore nodes to a permanent storage."""

    @abstractmethod
    def load(self) -> None:
        """Load the KnowledgeStore nodes from a permanent storage using `name`."""

count abstractmethod property 

count

Return the number of nodes in the store.

load_node abstractmethod 

load_node(node)

Load a "KnowledgeNode" into the KnowledgeStore.

Source code in src/fed_rag/base/knowledge_store.py 
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@abstractmethod
def load_node(self, node: "KnowledgeNode") -> None:
    """Load a "KnowledgeNode" into the KnowledgeStore."""

load_nodes abstractmethod 

load_nodes(nodes)

Load multiple "KnowledgeNode"s in batch.

Source code in src/fed_rag/base/knowledge_store.py 
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@abstractmethod
def load_nodes(self, nodes: list["KnowledgeNode"]) -> None:
    """Load multiple "KnowledgeNode"s in batch."""

retrieve abstractmethod 

retrieve(query_emb, top_k)

Retrieve top-k nodes from KnowledgeStore against a provided user query.

Returns:

Type Description
list[tuple[float, KnowledgeNode]]

A list of tuples where the first element represents the similarity score
list[tuple[float, KnowledgeNode]]

of the node to the query, and the second element is the node itself.
Source code in src/fed_rag/base/knowledge_store.py 
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@abstractmethod
def retrieve(
    self, query_emb: list[float], top_k: int
) -> list[tuple[float, "KnowledgeNode"]]:
    """Retrieve top-k nodes from KnowledgeStore against a provided user query.

    Returns:
        A list of tuples where the first element represents the similarity score
        of the node to the query, and the second element is the node itself.
    """

delete_node abstractmethod 

delete_node(node_id)

Remove a node from the KnowledgeStore by ID, returning success status.

Source code in src/fed_rag/base/knowledge_store.py 
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@abstractmethod
def delete_node(self, node_id: str) -> bool:
    """Remove a node from the KnowledgeStore by ID, returning success status."""

clear abstractmethod 

clear()

Clear all nodes from the KnowledgeStore.

Source code in src/fed_rag/base/knowledge_store.py 
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@abstractmethod
def clear(self) -> None:
    """Clear all nodes from the KnowledgeStore."""

persist abstractmethod 

persist()

Save the KnowledgeStore nodes to a permanent storage.

Source code in src/fed_rag/base/knowledge_store.py 
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@abstractmethod
def persist(self) -> None:
    """Save the KnowledgeStore nodes to a permanent storage."""

load abstractmethod 

load()

Load the KnowledgeStore nodes from a permanent storage using name.

Source code in src/fed_rag/base/knowledge_store.py 
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@abstractmethod
def load(self) -> None:
    """Load the KnowledgeStore nodes from a permanent storage using `name`."""