Module: Frenetic::BrieflyMemoizable::ClassMethods

Defined in:
lib/frenetic/briefly_memoizable.rb

Instance Method Summary collapse

Instance Method Details

#briefly_memoize(symbol) ⇒ Object 



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# File 'lib/frenetic/briefly_memoizable.rb', line 11

def briefly_memoize(symbol)
  original_method = "_unmemoized_#{symbol}".to_sym
  memoized_ivar = "@#{symbol}"
  age_ivar = "@#{symbol}_age"

  # rubocop:disable Metrics/LineLength
  class_eval "    if method_defined?(:\#{original_method})                                  # if method_defined?(:_unmemoized_mime_type)\n      fail \"Already memoized \#{symbol}\"                                      #   fail \"Already memoized mime_type\"\n    end                                                                      # end\n    alias \#{original_method} \#{symbol}                                       # alias _unmemoized_mime_type mime_type\n\n    def \#{symbol}(*args)                                                     # def mime_type(*args)\n      \#{memoized_ivar} = nil if \#{age_ivar} && Time.now > \#{age_ivar}        #   @mime_type = nil if @mime_type_age && Time.now > @mime_type_age\n      \#{memoized_ivar} ||= \#{original_method}(*args)                         #   @mime_type ||= _unmemoized_mime_type(*args)\n    end                                                                      # end\n\n    def reload_\#{symbol}!                                                    # def reload_mime_type!\n      \#{memoized_ivar} = nil                                                 #   @mime_type = nil\n    end                                                                      # end\n  CODE\n  # rubocop:enable Metrics/LineLength\nend\n"