worker.ex

defmodule Armory.Worker do
  use GenServer

  @timeout 5000

  def start_link(_) do
    GenServer.start_link(__MODULE__, nil, [])
  end

  def get(module, fun, args) do
    :poolboy.transaction(:armory_pool,
                         &Genserver.call(&1,
                                         {:get, module, fun, args},
                                         @timeout)
                        )

  end

  def init(_) do
    {:ok, nil}
  end

  def handle_call({:get, module, fun, args}, _from, state) do
    response = apply(module, fun, args)
    {:reply, respone, state}
  end
end