delegators.rb

class A
  attr_accessor :options
  cattr_accessor :name

  def initialize
    self.options = { code: 200, controller: OpenStruct.new(log_state: true) }
    self.class.name = :api_name
  end
end

class B
  attr_accessor :api_context, :options
  def initialize
    self.options = {}
    self.api_context = A.new
  end

  extend Forwardable

  def_delegator :api_context, :options, :api_options
  def_delegator :api_options, :[], :get
  def_delegator :api_context, :name, :api_name
  def_delegator :'api_options[:controller]', :log_state

  def get_code
    get(:code)
  end
end