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rails / 4.2 / activesupport / cache / strategy / localcache.html

module ActiveSupport::Cache::Strategy::LocalCache

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.

Public Instance Methods

middleware() Show source 
# File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 71
def middleware
  @middleware ||= Middleware.new(
    "ActiveSupport::Cache::Strategy::LocalCache",
    local_cache_key)
end

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

with_local_cache() { || ... } Show source 
# File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 66
def with_local_cache
  use_temporary_local_cache(LocalStore.new) { yield }
end

Use a local cache for the duration of block.

Protected Instance Methods

set_cache_value(value, name, amount, options) Show source 
# File activesupport/lib/active_support/cache/strategy/local_cache.rb, line 123
def set_cache_value(value, name, amount, options)
  if local_cache
    local_cache.mute do
      if value
        local_cache.write(name, value, options)
      else
        local_cache.delete(name, options)
      end
    end
  end
end

© 2004–2018 David Heinemeier Hansson
Licensed under the MIT License.