gistfile1.builder

Person
  .where(:last_name => "Zorg")
  .and(:middle_initial => "J")
  .and(:age.gt => 30)

class Player
  include Mongoid::Document
  include Mongoid::Versioning

  field :status
  scope :inactive,
        :where => { :active => false }

  before_create :do_something
  after_destroy :do_something_else
end