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lib/supervisor.ex
defmodule Astro.Supervisor do
@moduledoc """
Provides a supervision tree under which
the required TzWorld backend server can
be started.
"""
@doc """
Starts a TzWorld backend module that
manages the time zone data required for
Astro to operate.
The backend process is started under a
supervisor called Astro.Supervisor.
"""
def start_link(_type \\ [], _args \\ []) do
children =
if Code.ensure_loaded?(TzWorld.Backend.DetsWithIndexCache) do
[TzWorld.Backend.DetsWithIndexCache]
else
[]
end
opts = [strategy: :one_for_one, name: Astro.Supervisor]
Supervisor.start_link(children, opts)
end
end