module Scrivito

module Cache
  class RamStore
    include Chainable

    attr_reader :internal_store, :next_store, :cache_prefix

    def initialize(options = {})
      @internal_store = {}
      @next_store, @cache_prefix = *options.values_at(:next_store, :cache_prefix)
    end

    delegate :clear, to: :internal_store

    private

    def internal_read(key)
      internal_store[key]
    end

    def internal_write(key, value, expires_in = nil)
      internal_store[key] = value
    end

    def transform_key(key)
      cache_prefix ? "#{cache_prefix}/#{key}" : key
    end
  end
end

end