gistfile1.txt

require 'jenkins/plugin/behavior'

module Jenkins
  #
  # Defines the equivalent of `hudson.Extension`
  #
  module Extension
    extend Plugin::Behavior

    implemented do |cls|
      puts "kicking in for #{cls}"
      cls.instance_eval do
        def self.ordinal(n=nil)
          if n.nil?
            @ordinal
          else
            @ordinal = n
          end
        end
      end
    end
  end

  class Foo
    include Extension

    ordinal 3
  end

  class Bar
    include Extension

    ordinal 5
  end

  puts Bar.ordinal
end