class Sprockets::Cache

def get(key, local = false)

Returns a JSON serializable object or nil if there was a cache miss.

local - Check local cache first (default: false)
key - JSON serializable key

Cache#fetch API over using this.
depending on the backend store being used. Prefer the
This API may be used publicly, but may have undefined behavior

store.
Public: Low level API to retrieve item directly from the backend cache 
def get(key, local = false)
  expanded_key = expand_key(key)
  if local && value = @fetch_cache.get(expanded_key)
    return value
  end
  value = @cache_wrapper.get(expanded_key)
  @fetch_cache.set(expanded_key, value) if local
  value
end