defmodule SampleEventsManager do
  use Firehose.Manager

  def subscribe(:failed, %Firehose.Batch{} = _batch, _aws_response) do
    # This callback is triggered when retry count exhausted and batch not delivered.
    # You can add specific logic for this case (write data to queue or database etc) or
    # send metrics to monitoring service
  end

  def subscribe(:completed, %Firehose.Batch{stream: _stream, size: _batch_size, records: _records}) do
    # This callback is triggered after each successfull delivery to Firehose.
    # You can use this callback to send metrics to monitoring service
  end
end