Class RunnableRetry<RunInput, RunOutput, CallOptions>

Base class for runnables that can be retried a specified number of times.

Type Parameters

Hierarchy

Constructors

Properties

bound: Runnable<RunInput, RunOutput, CallOptions>
configFactories?: ((config) => BaseCallbackConfig | Promise<BaseCallbackConfig>)[]

Type declaration

maxAttemptNumber: number
kwargs?: Partial<CallOptions>

Methods

  • Default implementation of batch, which calls invoke N times. Subclasses should override this method if they can batch more efficiently.

    Parameters

    • inputs: RunInput[]

      Array of inputs to each batch call.

    • Optional options: Partial<CallOptions> | Partial<CallOptions>[]

      Either a single call options object to apply to each batch call or an array for each call.

    • Optional batchOptions: RunnableBatchOptions & {
          returnExceptions?: false;
      }

    Returns Promise<RunOutput[]>

    An array of RunOutputs, or mixed RunOutputs and errors if batchOptions.returnExceptions is set

  • Parameters

    • inputs: RunInput[]
    • Optional options: Partial<CallOptions> | Partial<CallOptions>[]
    • Optional batchOptions: RunnableBatchOptions & {
          returnExceptions: true;
      }

    Returns Promise<(Error | RunOutput)[]>

  • Parameters

    • inputs: RunInput[]
    • Optional options: Partial<CallOptions> | Partial<CallOptions>[]
    • Optional batchOptions: RunnableBatchOptions

    Returns Promise<(Error | RunOutput)[]>

  • Bind arguments to a Runnable, returning a new Runnable.

    Parameters

    • kwargs: Partial<CallOptions>

    Returns RunnableBinding<RunInput, RunOutput, CallOptions>

    A new RunnableBinding that, when invoked, will apply the bound args.

  • Method that invokes the runnable with the specified input, run manager, and config. It handles the retry logic by catching any errors and recursively invoking itself with the updated config for the next retry attempt.

    Parameters

    • input: RunInput

      The input for the runnable.

    • Optional config: CallOptions

      The config for the runnable.

    Returns Promise<RunOutput>

    A promise that resolves to the output of the runnable.

  • Return a new Runnable that maps a list of inputs to a list of outputs, by calling invoke() with each input.

    Returns Runnable<RunInput[], RunOutput[], CallOptions>

  • Create a new runnable sequence that runs each individual runnable in series, piping the output of one runnable into another runnable or runnable-like.

    Type Parameters

    • NewRunOutput

    Parameters

    • coerceable: RunnableLike<RunOutput, NewRunOutput>

      A runnable, function, or object whose values are functions or runnables.

    Returns RunnableSequence<RunInput, Exclude<NewRunOutput, Error>>

    A new runnable sequence.

  • Stream output in chunks.

    Parameters

    • input: RunInput
    • Optional options: Partial<CallOptions>

    Returns Promise<IterableReadableStream<RunOutput>>

    A readable stream that is also an iterable.

  • Stream all output from a runnable, as reported to the callback system. This includes all inner runs of LLMs, Retrievers, Tools, etc. Output is streamed as Log objects, which include a list of jsonpatch ops that describe how the state of the run has changed in each step, and the final state of the run. The jsonpatch ops can be applied in order to construct state.

    Parameters

    • input: RunInput
    • Optional options: Partial<CallOptions>
    • Optional streamOptions: Omit<LogStreamCallbackHandlerInput, "autoClose">

    Returns AsyncGenerator<RunLogPatch, any, unknown>

  • Default implementation of transform, which buffers input and then calls stream. Subclasses should override this method if they can start producing output while input is still being generated.

    Parameters

    • generator: AsyncGenerator<RunInput, any, unknown>
    • options: Partial<CallOptions>

    Returns AsyncGenerator<RunOutput, any, unknown>

  • Bind config to a Runnable, returning a new Runnable.

    Parameters

    Returns RunnableBinding<RunInput, RunOutput, CallOptions>

    A new RunnableBinding with a config matching what's passed.

  • Bind lifecycle listeners to a Runnable, returning a new Runnable. The Run object contains information about the run, including its id, type, input, output, error, startTime, endTime, and any tags or metadata added to the run.

    Parameters

    • params: {
          onEnd?: ((run, config?) => void | Promise<void>);
          onError?: ((run, config?) => void | Promise<void>);
          onStart?: ((run, config?) => void | Promise<void>);
      }

      The object containing the callback functions.

      • Optional onEnd?: ((run, config?) => void | Promise<void>)
          • (run, config?): void | Promise<void>
          • Called after the runnable finishes running, with the Run object.

            Parameters

            Returns void | Promise<void>

      • Optional onError?: ((run, config?) => void | Promise<void>)
          • (run, config?): void | Promise<void>
          • Called if the runnable throws an error, with the Run object.

            Parameters

            Returns void | Promise<void>

      • Optional onStart?: ((run, config?) => void | Promise<void>)
          • (run, config?): void | Promise<void>
          • Called before the runnable starts running, with the Run object.

            Parameters

            Returns void | Promise<void>

    Returns Runnable<RunInput, RunOutput, CallOptions>

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