module BusinessFlow
  # Include me to fire ActiveSupport notifications on the flow, every step,
  # and for any errors that happen.
  module Instrument
    def self.included(klass)
      klass.extend(ClassMethods)
      klass.step_executor ::BusinessFlow::InstrumentedExecutor
    end

    # Contains methods that we add to the DSL
    module ClassMethods
      def instrument_steps
        step_executor ::BusinessFlow::InstrumentedStepExecutor
      end
    end
  end
end