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rclex

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ROS 2 Client Library for Elixir.

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rclex lib rclex nodes_supervisor.ex
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lib/rclex/nodes_supervisor.ex 

defmodule Rclex.NodesSupervisor do

  @moduledoc false



  use DynamicSupervisor



  def start_link(args) do

    DynamicSupervisor.start_link(__MODULE__, args, name: name())

  end



  def name() do

    __MODULE__

  end



  def start_child(context, name, namespace \\ "/") do

    DynamicSupervisor.start_child(

      name(),

      {Rclex.NodeSupervisor, [context: context, name: name, namespace: namespace]}

    )

  end



  def terminate_child(name, namespace \\ "/") do

    name = Rclex.NodeSupervisor.name(name, namespace)



    case GenServer.whereis(name) do

      nil -> {:error, :not_found}

      {_atom, _node} -> raise("should not happen")

      pid -> DynamicSupervisor.terminate_child(name(), pid)

    end

  end



  # callbacks



  def init(_args) do

    DynamicSupervisor.init(strategy: :one_for_one)

  end

end