32 lines
603 B
Elixir
32 lines
603 B
Elixir
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defmodule Todo.Cache do
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use GenServer
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@impl GenServer
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def init(_init_args) do
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{:ok, %{}}
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end
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@impl GenServer
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def handle_call({:server_process, name}, _from, state) do
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case Map.fetch(state, name) do
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{:ok, process} ->
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{:reply, process, state}
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:error ->
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new_process = Todo.Server.start()
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new_state = Map.put(state, name, new_process)
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{:reply, new_process, new_state}
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end
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end
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def start() do
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GenServer.start(__MODULE__, nil)
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end
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def server_process(pid, name) do
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GenServer.call(pid, {:server_process, name})
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end
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end
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