event_bus_metrics

defmodule EventBus.Metrics do
  @moduledoc """
  Documentation for EventBus.Metrics.
  """

  alias EventBus.Metrics.Service.{Counter, Event, Topic, Subscriber}

  @doc """
  Process event_bus events
  """
  defdelegate process(event_shadow),
    to: EventBus.Metrics.Counter,
    as: :process

  @doc """
  List topics
  """
  defdelegate list_topics,
    to: Topic,
    as: :all

  @doc """
  List subscriptions
  """
  defdelegate list_subscribers,
    to: Subscriber,
    as: :all

  @doc """
  Fetch topic info
  """
  defdelegate find_topic(topic),
    to: Topic,
    as: :find

  @doc """
  List of unprocessed events
  """
  defdelegate list_events,
    to: Event,
    as: :unprocessed_all

  @doc """
  List of unprocessed events by topic
  """
  defdelegate list_events(topic),
    to: Event,
    as: :unprocessed

  @doc """
  Fetch an event
  """
  defdelegate find_event(topic, id),
    to: Event,
    as: :find

  @doc """
  Fetch hit count for an event topic
  """
  defdelegate count_events(topic),
    to: Counter,
    as: :count

  @doc """
  Fetch sum of hit counts for all event topics
  """
  defdelegate sum_events,
    to: Counter,
    as: :sum
end