lecture 05

lectures/05/dynamic_counters/lib/counter/application.ex

@@ -0,0 +1,26 @@
+defmodule Counter.Application do
+  # See https://hexdocs.pm/elixir/Application.html
+  # for more information on OTP Applications
+  @moduledoc false
+
+  @registry Counter.Registry
+  @table	Counter.Table
+
+  use Application
+
+  @impl true
+  def start(_type, _args) do
+	children = [
+	  {Registry, name: @registry, keys: :unique}, # recall same as {Registry, [name: @registry, keys: :unique]}
+	  # Starts a worker by calling: Counter.Worker.start_link(arg)
+	  # {DynamicSupervisor, name: Counter.DynamicSupervisor, strategy: :one_for_one}
+	  Counter.DynamicSupervisor # no argument passed so we can just use this
+	]
+
+	:ets.new(@table, [:named_table, :public])
+	# See https://hexdocs.pm/elixir/Supervisor.html
+	# for other strategies and supported options
+	opts = [strategy: :one_for_one, name: Counter.Supervisor]
+	Supervisor.start_link(children, opts)
+  end
+end