BaseEntityStore#

class langchain.memory.entity.BaseEntityStore[source]#

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[source]#

Delete all entities from store.

abstract delete(key: str) → None[source]#

Delete entity value from store.

abstract exists(key: str) → bool[source]#

Check if entity exists in store.

abstract get(key: str, default: str | None = None) → str | None[source]#

Get entity value from store.

Parameters:

Return type:

str | None

abstract set(key: str, value: str | None) → None[source]#

Set entity value in store.

Parameters:

Return type:

None