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spawn_statestores
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Spawn Statestores is the storage lib for the Spawn Actors System
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lib/statestores/adapters/projection_behaviour.ex
defmodule Statestores.Adapters.ProjectionBehaviour do
@moduledoc """
Defines the default behavior for each Projection Provider.
"""
@type projection_type :: module()
@type table_name :: String.t()
@type data :: struct()
@type query :: String.t()
@type params :: struct()
@type opts :: Keyword.t()
@callback create_or_update_table(projection_type(), table_name()) :: :ok
@callback upsert(projection_type(), table_name(), data()) :: :ok
@callback query(projection_type(), query(), params(), opts()) ::
{:error, term()} | {:ok, data()}
@callback default_port :: <<_::32>>
defmacro __using__(_opts) do
quote do
alias Statestores.Adapters.ProjectionBehaviour
import Statestores.Util, only: [generate_key: 1]
@behaviour Statestores.Adapters.ProjectionBehaviour
end
end
end