class Aws::RDS::DBParameterGroupFamily

def client
  @client
end

def data
  @data
end

def data_loaded?
  !!@data
end

def engine_default_cluster_parameters(options = {})
  batches = Enumerator.new do |y|
    batch = []
    options = options.merge(db_parameter_group_family: @name)
    resp = Aws::Plugins::UserAgent.feature('resource') do
      @client.describe_engine_default_cluster_parameters(options)
    end
    resp.data.engine_defaults.parameters.each do |p|
      batch << Parameter.new(
        name: p.parameter_name,
        data: p,
        client: @client
      )
    end
    y.yield(batch)
  end
  Parameter::Collection.new(batches)
end

def engine_default_parameters(options = {})
  batches = Enumerator.new do |y|
    options = options.merge(db_parameter_group_family: @name)
    resp = Aws::Plugins::UserAgent.feature('resource') do
      @client.describe_engine_default_parameters(options)
    end
    resp.each_page do |page|
      batch = []
      page.data.engine_defaults.parameters.each do |p|
        batch << Parameter.new(
          name: p.parameter_name,
          data: p,
          client: @client
        )
      end
      y.yield(batch)
    end
  end
  Parameter::Collection.new(batches)
end

def extract_name(args, options)
  value = args[0] || options.delete(:name)
  case value
  when String then value
  when nil then raise ArgumentError, "missing required option :name"
  else
    msg = "expected :name to be a String, got #{value.class}"
    raise ArgumentError, msg
  end
end

def identifiers
  { name: @name }
end

def initialize(*args)
  options = Hash === args.last ? args.pop.dup : {}
  @name = extract_name(args, options)
  @data = Aws::EmptyStructure.new
  @client = options.delete(:client) || Client.new(options)
  @waiter_block_warned = false
end

def load
  msg = "#load is not implemented, data only available via enumeration"
  raise NotImplementedError, msg
end

def name
  @name
end

def wait_until(options = {}, &block)
  self_copy = self.dup
  attempts = 0
  options[:max_attempts] = 10 unless options.key?(:max_attempts)
  options[:delay] ||= 10
  options[:poller] = Proc.new do
    attempts += 1
    if block.call(self_copy)
      [:success, self_copy]
    else
      self_copy.reload unless attempts == options[:max_attempts]
      :retry
    end
  end
  Aws::Plugins::UserAgent.feature('resource') do
    Aws::Waiters::Waiter.new(options).wait({})
  end
end