Module: DataMapper::Extensions::CallbackHelpers

Included in:
Base
Defined in:
lib/data_mapper/extensions/callback_helpers.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/data_mapper/extensions/callback_helpers.rb', line 8

def self.included(base)
  base.extend(ClassMethods)
  
  # declare helpers for the standard callbacks
  Callbacks::EVENTS.each do |name|
    base.class_eval <<-EOS
      def self.#{name}(string = nil, &block)
        if string.nil?
          callbacks.add(:#{name}, &block)
        else
          callbacks.add(:#{name}, string)
        end
      end
    EOS
  end
end