method

expanded_key

v6.1.7.7 - Show latest stable - 0 notes - Class: ActiveSupport::Cache::Store

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What's this?

expanded_key(key) private

Expands key to be a consistent string value. Invokes cache_key if object responds to cache_key. Otherwise, to_param method will be called. If the key is a Hash, then keys will be sorted alphabetically.

Show source

# File activesupport/lib/active_support/cache.rb, line 690
        def expanded_key(key)
          return key.cache_key.to_s if key.respond_to?(:cache_key)

          case key
          when Array
            if key.size > 1
              key.collect { |element| expanded_key(element) }
            else
              expanded_key(key.first)
            end
          when Hash
            key.collect { |k, v| "#{k}=#{v}" }.sort!
          else
            key
          end.to_param
        end

expanded_key

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