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spawn_statestores lib statestores adapters projection_behaviour.ex
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lib/statestores/adapters/projection_behaviour.ex

defmodule Statestores.Adapters.ProjectionBehaviour do
@moduledoc """
Defines the default behavior for each Statestore Provider.
"""
alias Scrivener.Page
alias Statestores.Schemas.Projection
@type metadata_key :: String.t()
@type metadata_value :: String.t()
@type page :: integer()
@type page_size :: integer()
@type page_data :: Page.t()
@type projection :: Projection.t()
@type projections :: list(Projection.t())
@type projection_name :: String.t()
@type projection_id :: String.t()
@type revision :: integer()
@type time_start :: String.t()
@type time_end :: String.t()
@callback create_table(projection_name()) :: {:ok, String.t()}
@callback get_last(projection_name()) :: {:error, any} | {:ok, projection()}
@callback get_last_by_projection_id(projection_name(), projection_id()) ::
{:error, any} | {:ok, projection()}
@callback get_all(projection_name(), page(), page_size()) :: {:error, any} | {:ok, page_data()}
@callback get_all_by_projection_id(projection_name(), projection_id(), page(), page_size()) ::
{:error, any} | {:ok, page_data()}
@callback get_by_interval(
projection_name(),
time_start(),
time_end(),
page(),
page_size()
) :: {:error, any} | {:ok, page_data()}
@callback get_by_projection_id_and_interval(
projection_name(),
projection_id(),
time_start(),
time_end(),
page(),
page_size()
) :: {:error, any} | {:ok, page_data()}
@callback search_by_metadata(
projection_name(),
metadata_key(),
metadata_value(),
page(),
page_size()
) ::
{:error, any} | {:ok, page_data()}
@callback search_by_projection_id_and_metadata(
projection_name(),
projection_id(),
metadata_key(),
metadata_value(),
page(),
page_size()
) :: {:error, any} | {:ok, page_data()}
@callback save(projection()) :: {:error, any} | {:ok, projection()}
@callback default_port :: <<_::32>>
defmacro __using__(_opts) do
quote do
alias Statestores.Adapters.ProjectionBehaviour
import Statestores.Util, only: [init_config: 1, generate_key: 1]
@behaviour Statestores.Adapters.ProjectionBehaviour
def init(_type, config), do: init_config(config)
end
end
end