Class MappingDocumentTransformerAbstract

Class for document transformers that return exactly one transformed document for each input document.

Hierarchy

Constructors

Methods

  • Method to invoke the document transformation. This method calls the transformDocuments method with the provided input.

    Parameters

    • input: Document<Record<string, any>>[]

      The input documents to be transformed.

    • Optional _options: Partial<BaseCallbackConfig>

      Optional configuration object to customize the behavior of callbacks.

    Returns Promise<Document<Record<string, any>>[]>

    A Promise that resolves to the transformed documents.

  • 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: Document<Record<string, any>>[]
    • Optional options: Partial<BaseCallbackConfig>
    • 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

    Returns AsyncGenerator<Document<Record<string, any>>[], any, unknown>

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