compressed_rails_cache.rb

class Memcached::CompressedRailsCache
  def initialize(rails_cache)
    @rails_cache = rails_cache
  end
  
  def get(key, raw = true) # raw is discarded
    v = @rails_cache.get(key)
    Marshal.load(Zlib::Inflate.inflate(v)) if v
  end
  
  def set(key, value, expiry = 0, raw = true) # raw is discarded
    @rails_cache.set(
      key,
      Zlib::Deflate.deflate(Marshal.dump(value)),
      expiry,
      true)
  end
  
  def delete(key)
    @rails_cache.delete(key)
  end
end