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opentelemetry_api

0.4.1
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OpenTelemetry API

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opentelemetry_api lib open_telemetry observer.ex
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lib/open_telemetry/observer.ex 

defmodule OpenTelemetry.Observer do

  @moduledoc """



      require OpenTelemetry.Observer



      OpenTelemetry.Observer.set_callback("some.counter", fn o -> OpenTelemetry.Observer.observe(o, 33, []))

  """



  defmacro set_callback(observer, callback) do

    quote do

      :ot_meter.set_observer_callback(

        :opentelemetry.get_meter(__MODULE__),

        unquote(observer),

        unquote(callback)

      )

    end

  end



  defdelegate observe(observer_result, number, label_set), to: :ot_observer

end