langchain.memory.entity.BaseEntityStore

class langchain.memory.entity.BaseEntityStore

Bases: BaseModel, ABC

Abstract base class for Entity store.

Create a new model by parsing and validating input data from keyword arguments.

Raises ValidationError if the input data cannot be parsed to form a valid model.

abstract clear() → None

Delete all entities from store.

abstract delete(key: str) → None

Delete entity value from store.

abstract exists(key: str) → bool

Check if entity exists in store.

abstract get(key: str, default: Optional[str] = None) → Optional[str]

Get entity value from store.

abstract set(key: str, value: Optional[str]) → None

Set entity value in store.