gistfile1.rb

  # Send callbacks of this type after a commit.
  # We push a new variable holder on each record, then pop it off, which avoids
  # an infinite loop whereby an on_commit callback makes a new transaction
  # (like in creating a BackgrounDRb record)
  def self.callback(crud_method, &block)
    record_method = @@record_methods[crud_method]
    callback_method = @@callback_methods[crud_method]
    committed_records = send(record_method)
    
    unless committed_records.empty?
# ----------------- BEGIN TONY CHANGES
      if(crud_method == :all)
        classes_records = committed_records.group_by(&:class)
        classes_records.each_pair do |klass, records|
          klass.send(:banana, records) if klass.respond_to?(:banana)
        end
      end
# ----------------- END TONY CHANGES
      committed_records.each do |record|
        push
        record.send(callback_method)
        pop
      end
    end