Class BaseStore<K, V>`Abstract`

Abstract interface for a key-value store.

Type Parameters

K
V

Hierarchy (view full)

Serializable
- BaseStore
  - InMemoryStore

Implements

BaseStoreInterface<K, V>

Index

Constructors

Methods

mdelete mget mset toJSON toJSONNotImplemented yieldKeys

Constructors

constructor

new BaseStore<K, V>(kwargs?, ..._args): BaseStore<K, V>
Type Parameters
- K
- V
Parameters
- Optional kwargs: SerializedFields
- Rest ..._args: never[]
Returns BaseStore<K, V>
Inherited from Serializable.constructor
- Defined in langchain-core/src/load/serializable.ts:143

Methods

`Abstract` mdelete

mdelete(keys): Promise<void>
Abstract method to delete multiple keys.
Parameters
- keys: K[]
  An array of keys to delete.
Returns Promise<void>
- A Promise that resolves when the operation is complete.
Implementation of BaseStoreInterface.mdelete
- Defined in langchain-core/src/stores.ts:60

`Abstract` mget

mget(keys): Promise<(undefined | V)[]>
Abstract method to get multiple values for a set of keys.
Parameters
- keys: K[]
  An array of keys.
Returns Promise<(undefined | V)[]>
- A Promise that resolves with array of values or undefined if key not found.
Implementation of BaseStoreInterface.mget
- Defined in langchain-core/src/stores.ts:46

`Abstract` mset

mset(keyValuePairs): Promise<void>
Abstract method to set a value for multiple keys.
Parameters
- keyValuePairs: [K, V][]
  An array of key-value pairs.
Returns Promise<void>
- A Promise that resolves when the operation is complete.
Implementation of BaseStoreInterface.mset
- Defined in langchain-core/src/stores.ts:53

toJSON

toJSON(): Serialized
Returns Serialized
Inherited from Serializable.toJSON
- Defined in langchain-core/src/load/serializable.ts:147

toJSONNotImplemented

toJSONNotImplemented(): SerializedNotImplemented
Returns SerializedNotImplemented
Inherited from Serializable.toJSONNotImplemented
- Defined in langchain-core/src/load/serializable.ts:221

`Abstract` yieldKeys

yieldKeys(prefix?): AsyncGenerator<string | K, any, unknown>
Abstract method to yield keys optionally based on a prefix.
Parameters
- Optional prefix: string
  Optional prefix to filter keys.
Returns AsyncGenerator<string | K, any, unknown>
- An asynchronous generator that yields keys on iteration.
Implementation of BaseStoreInterface.yieldKeys
- Defined in langchain-core/src/stores.ts:67

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