elixir-todo-list/lib/todo/cache.ex

26 lines
590 B
Elixir

defmodule Todo.Cache do
use DynamicSupervisor
def start_link(init_arg) do
IO.puts("Starting #{__MODULE__}")
DynamicSupervisor.start_link(__MODULE__, init_arg, name: __MODULE__)
end
@impl DynamicSupervisor
def init(_) do
DynamicSupervisor.init(strategy: :one_for_one)
end
def server_process(todo_list_name) do
case start_child(todo_list_name) do
{:ok, pid} -> pid
{:error, {:already_started, pid}} -> pid
end
end
defp start_child(todo_list_name) do
DynamicSupervisor.start_child(__MODULE__, {Todo.Server, todo_list_name})
end
end