method

expanded_key

v3.1.0 - Show latest stable - 0 notes - Class: ActiveSupport::Cache::Store

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What's this?

expanded_key(key) private

Expand key to be a consistent string value. Invoke 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 486
        def expanded_key(key) # :nodoc:
          return key.cache_key.to_s if key.respond_to?(:cache_key)

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

          key.to_param
        end

expanded_key

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