Caches that implement LocalCache will be backed by an in-memory cache for the duration of a block. Repeated calls to the cache for the same key will hit the in-memory cache for faster access.

Namespace
Methods
M
W
Instance Public methods
middleware()

Middleware class can be inserted as a Rack handler to be local cache for the duration of request.

Source: show | on GitHub 

# File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 75
def middleware
  @middleware ||= Middleware.new(
    "ActiveSupport::Cache::Strategy::LocalCache",
    local_cache_key)
end
with_local_cache()

Use a local cache for the duration of block.

Source: show | on GitHub 

# File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 70
def with_local_cache
  use_temporary_local_cache(LocalStore.new) { yield }
end