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.

Methods
Public Instance methods
middleware()

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

[ show source ]

  # File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 55
def middleware
  @middleware ||= begin
    klass = Class.new
    klass.class_eval(              class << self                def name                  "ActiveSupport::Cache::Strategy::LocalCache"                end                alias :to_s :name              end              def initialize(app)                @app = app              end              def call(env)                Thread.current[:#{thread_local_key}] = LocalStore.new                @app.call(env)              ensure                Thread.current[:#{thread_local_key}] = nil              end, __FILE__, __LINE__ + 1)
    klass
  end
end
with_local_cache()

Use a local cache for the duration of block.

[ show source ]

  # File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 43
def with_local_cache
  save_val = Thread.current[thread_local_key]
  begin
    Thread.current[thread_local_key] = LocalStore.new
    yield
  ensure
    Thread.current[thread_local_key] = save_val
  end
end