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off_broadway_pulsar

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A Broadway producer for Apache Pulsar.

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off_broadway_pulsar lib off_broadway pulsar acknowledger.ex
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lib/off_broadway/pulsar/acknowledger.ex 

defmodule OffBroadway.Pulsar.Acknowledger do

  @moduledoc false

  @behaviour Broadway.Acknowledger



  @impl Broadway.Acknowledger

  def ack(%{consumer: consumer}, successful, failed) do

    ack_ids =

      Enum.flat_map(successful, fn %{acknowledger: {_, _, message_id}} ->

        List.wrap(message_id)

      end)



    :ok = Pulsar.ack(consumer, ack_ids)



    nack_ids =

      Enum.flat_map(failed, fn %{acknowledger: {_, _, message_id}} ->

        List.wrap(message_id)

      end)



    :ok = Pulsar.nack(consumer, nack_ids)

  end

end