method

decrement

Ruby on Rails latest stable (v3.2.13) - 0 notes - Class: ActiveSupport::Cache::MemCacheStore

1.0.0
1.1.0
1.1.1
1.1.6
1.2.0
1.2.6
2.0.0
2.0.1
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.2 (0)
2.3.8 (0)
3.0.0 (38)
3.0.5 (0)
3.0.7 (0)
3.0.9 (-2)
3.1.0 (0)
3.2.1 (0)
3.2.3 (0)
3.2.8 (0)
3.2.13 (0)
What's this?

decrement(name, amount = 1, options = nil) public

Decrement a cached value. This method uses the memcached decr atomic operator and can only be used on values written with the :raw option. Calling it on a value not stored with :raw will initialize that value to zero.

Show source

# File activesupport/lib/active_support/cache/mem_cache_store.rb, line 106
      def decrement(name, amount = 1, options = nil) # :nodoc:
        options = merged_options(options)
        response = instrument(:decrement, name, :amount => amount) do
          @data.decr(escape_key(namespaced_key(name, options)), amount)
        end
        response == Response::NOT_FOUND ? nil : response.to_i
      rescue MemCache::MemCacheError
        nil
      end

decrement

Related methods

Flowdock - Team Inbox With Chat