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backend.ex
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backend.ex
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defmodule Hammer.Backend do
@moduledoc """
The backend Behaviour module
"""
@type bucket_key :: {bucket :: integer, id :: String.t()}
@type bucket_info ::
{key :: bucket_key, count :: integer, created :: integer, updated :: integer}
@callback count_hit(
pid :: pid(),
key :: bucket_key,
now :: integer
) ::
{:ok, count :: integer}
| {:error, reason :: any}
@callback get_bucket(
pid :: pid(),
key :: bucket_key
) ::
{:ok, info :: bucket_info}
| {:ok, nil}
| {:error, reason :: any}
@callback delete_buckets(
pid :: pid(),
id :: String.t()
) ::
{:ok, count_deleted :: integer}
| {:error, reason :: any}
end