method

skip_callback

v3.2.8 - Show latest stable - 1 note - Class: ActiveSupport::Callbacks::ClassMethods

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What's this?

skip_callback(name, *filter_list, &block) public

Skip a previously set callback. Like set_callback, :if or :unless options may be passed in order to control when the callback is skipped.

class Writer < Person
   skip_callback :validate, :before, :check_membership, :if => lambda { self.age > 18 }
end

Show source

# File activesupport/lib/active_support/callbacks.rb, line 516
      def skip_callback(name, *filter_list, &block)
        __update_callbacks(name, filter_list, block) do |target, chain, type, filters, options|
          filters.each do |filter|
            filter = chain.find {|c| c.matches?(type, filter) }

            if filter && options.any?
              new_filter = filter.clone(chain, self)
              chain.insert(chain.index(filter), new_filter)
              new_filter.recompile!(options, options[:per_key] || {})
            end

            chain.delete(filter)
          end
          target.send("_#{name}_callbacks=", chain)
        end
      end

July 29, 2011

0 thanks

Basic usage

Basic usage example:

class User < ActiveRecord::Base
   #...
   skip_callback :create, :after, :send_welcome_email
   #...
end

skip_callback

Related methods

Basic usage