# File lib/railroad/aasm_diagram.rb, line 23
  def generate
    STDERR.print "Generating AASM diagram\n" if @options.verbose
    files = Dir.glob("app/models/**/*.rb") 
    files += Dir.glob("vendor/plugins/**/app/models/*.rb") if @options.plugins_models
    files -= @options.exclude
    files.each do |f| 
      process_class extract_class_name(f).constantize
    end
  end