require 'set'
require 'merb-core/controller/merb_controller'

Merb::Controller.class_eval do
  include NewRelic::Agent::Instrumentation::ControllerInstrumentation
  
  class_inheritable_accessor :do_not_trace
  class_inheritable_accessor :ignore_apdex
  
  def self.newrelic_write_attr(attr_name, value) # :nodoc:
    self.send "#{attr_name}=", attr_name, value
  end
  
  def self.newrelic_read_attr(attr_name) # :nodoc:
    self.send attr_name
  end
  
  protected
  # determine the path that is used in the metric name for
  # the called controller action
  def newrelic_metric_path(action)
    "#{controller_name}/#{action}"
  end
  alias_method :perform_action_without_newrelic_trace, :_dispatch
  alias_method :_dispatch, :perform_action_with_newrelic_trace
end