覆盖父方法并使其成为私有/受保护

Question

我正在尝试将create方法设为私有/受保护ActiveRecord模型。我想做这样的事情：

class Product < ActiveRecord::Base
  def self.create(options)
    private
    super(options)

  end
end

因此我无法Product.create(...)。但是，我需要这样做

class Pencil < Product
    def self.create(options)
        options["category"] = "stationary"
        super(options)
    end
end

这样我可以执行此操作Pencil.create(...)。提前谢谢！

Answer 1

class Product < ActiveRecord::Base
  class << self
    def create(options)
      super(options)
    end

    private :create
  end
end

class Pencil < Product
  class << self
    def create(options)
      options["category"] = "stationary"
      super(options)
    end
  end
end