Class BaseChain<RunInput, RunOutput>Abstract

Base interface that all chains must implement.

Type Parameters

  • RunInput extends ChainValues = ChainValues

  • RunOutput extends ChainValues = ChainValues

Hierarchy (view full)

Implements

Constructors

Properties

memory?: BaseMemory

Accessors

Methods

  • Parameters

    • inputs: RunInput[]
    • Optional config: (RunnableConfig | CallbackManager | (BaseCallbackHandler | BaseCallbackHandlerMethodsClass)[])[]

    Returns Promise<RunOutput[]>

    ⚠️ Deprecated ⚠️

    Use .batch() instead. Will be removed in 0.2.0.

    This feature is deprecated and will be removed in the future.

    It is not recommended for use.

    Call the chain on all inputs in the list

  • Parameters

    • values: ChainValues & {
          signal?: AbortSignal;
          timeout?: number;
      }
    • Optional config: RunnableConfig | CallbackManager | (BaseCallbackHandler | BaseCallbackHandlerMethodsClass)[]
    • Optional tags: string[]

      Deprecated

    Returns Promise<RunOutput>

    Deprecated

    Use .invoke() instead. Will be removed in 0.2.0.

    Run the core logic of this chain and add to output if desired.

    Wraps _call and handles memory.

  • Invoke the chain with the provided input and returns the output.

    Parameters

    • input: RunInput

      Input values for the chain run.

    • Optional options: RunnableConfig

    Returns Promise<RunOutput>

    Promise that resolves with the output of the chain run.

  • Parameters

    • inputs: Record<string, unknown>
    • outputs: Record<string, unknown>
    • returnOnlyOutputs: boolean = false

    Returns Promise<Record<string, unknown>>

  • Parameters

    • input: any
    • Optional config: RunnableConfig | CallbackManager | (BaseCallbackHandler | BaseCallbackHandlerMethodsClass)[]

    Returns Promise<string>

    Deprecated

    Use .invoke() instead. Will be removed in 0.2.0.

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