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super_worker

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SuperWorker is a powerful Elixir library for working with supervisors and background jobs. It provides a much simpler approach than traditional supervisors. This library is currently under development and is unstable, so it is not recommended for production use.

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super_worker lib supervisor partition.ex
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lib/supervisor/partition.ex 

defmodule SuperWorker.Supervisor.Partition do

  alias SuperWorker.Supervisor

  alias Supervisor.{Db, Looper}



  alias __MODULE__



  require Logger



  def start_partition(state) do

    Db.put_sup_pid(state.table, state.id, self())



    send(state.master, {:partition_started, state.id})



    # Turn partition process to system process.

    Process.flag(:trap_exit, true)



    Looper.main_loop(state)

  end



  def init_additional_partitions(supervisor = %Supervisor{}) do

    Logger.debug(

      "SuperWorker, Supervisor, [#{inspect(supervisor.id)}] init additional partitions, options: #{inspect(supervisor)}"

    )



    Enum.map(1..supervisor.num_partitions, fn i ->

      Logger.debug(

        "SuperWorker, Supervisor, [#{inspect(supervisor.id)}] add partition: #{inspect(i)}"

      )



      supervisor =

        supervisor

        |> Map.put(:master, supervisor.id)

        |> Map.put(:id, i)



      {:ok, partition, pid} = init_partition(supervisor)

      {partition, pid}

    end)

    |> Enum.into(%{})

  end



  ## Private functions



  defp init_partition(partition = %Supervisor{}) do

    # Start the main loop

    pid = spawn_link(Partition, :start_partition, [partition])



    Logger.debug(

      "SuperWorker, Supervisor, #{inspect(partition.id)} initialized, pid: #{inspect(pid)}"

    )



    {:ok, partition.id, pid}

  end

end