Illustrating Hash19 features

example.rb

class MovieOMeter
  include Hash19
  contains :movies
  inject at: '$.movies', using: :movie_name, reference: :name, 
         trigger: lambda { |names| IMDB.find_all_movie_ratings names }, as: 'ratings'
  inject at: '$.movies', using: :movie_name, reference: :name, 
         trigger: lambda { |names| Twitter.search_by_terms names }, as: 'twitter_sentiments'
end

class Movie
  include Hash19
  attributes :name, :year, :genre, :language, :photo_url
  attribute :story_line, key: :plot
  has_many :actors
  has_many :shows, using: :name, trigger: ->(name) { MovieTimings.get name }
end

class Actor
    include Hash19
    attributes :name, :age, :character_name
    has_one :photo
end