Design Pattern: Iterator and Movie Collections

movie_collection3.rb

class MovieCollection
  attr_reader :movie_iterators
  attr_accessor :all_movies
  
  def initialize(movie_iterators)
    @movie_iterators = movie_iterators
    @all_movies = get_all_movies
  end

  private
  def get_all_movies
    movies = []
    
    movie_iterators.each do |movie_iterator|
      while movie_iterator.has_next?
        movies << movie_iterator.next
      end
    end
    
    movies
  end
end