39 lines
752 B
Elixir
39 lines
752 B
Elixir
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defmodule KeyValueStore do
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use GenServer
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def start do
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GenServer.start(KeyValueStore, nil)
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end
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def put(pid, key, value) do
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GenServer.cast(pid, {:put, key, value})
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end
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def get(pid, key) do
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GenServer.call(pid, {:get, key})
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end
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@impl true
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def init(_) do
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# Set up the process to send itself a cleanup message every 5 secs.
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:timer.send_interval(5000, :cleanup)
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{:ok, %{}}
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end
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@impl true
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def handle_cast({:put, key, value}, state) do
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{:noreply, Map.put(state, key, value)}
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end
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@impl true
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def handle_call({:get, key}, state) do
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{:reply, Map.get(state, key), state}
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end
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@impl true
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def handle_info(:cleanup, state) do
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IO.puts("Performing cleanup...")
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{:noreply, state}
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end
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end
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