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opentelemetry_api

0.6.0
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OpenTelemetry API

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opentelemetry_api lib open_telemetry updown_counter.ex
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lib/open_telemetry/updown_counter.ex 

defmodule OpenTelemetry.UpdownCounter do

  @moduledoc """



      require OpenTelemetry.UpdownCounter



      OpenTelemetry.UpdownCounter.new("some.counter")



      OpenTelemetry.UpdownCounter.add("some.counter", -3)

  """



  defmacro new(name, opts \\ %{}) do

    quote do

      :otel_updown_counter.new(:opentelemetry.get_meter(__MODULE__), unquote(name), unquote(opts))

    end

  end



  defmacro add(name, number, label_set) do

    quote do

      :otel_meter.record(

        :opentelemetry.get_meter(__MODULE__),

        unquote(name),

        unquote(number),

        unquote(label_set)

      )

    end

  end



  defmacro add(bound_instrument, number) do

    quote do

      :otel_meter.record(

        :opentelemetry.get_meter(__MODULE__),

        unquote(bound_instrument),

        unquote(number)

      )

    end

  end



  defdelegate definition(name, opts), to: :otel_updown_counter

  defdelegate measurement(name_or_instrument, number), to: :otel_updown_counter

end