# File lib/memcache_util.rb, line 13
  def self.logger
    @logger ||= if defined? Rails.logger # Rails 2.1 +
      Rails.logger
    elsif defined? RAILS_DEFAULT_LOGGER # Rails 1.2.2 +
      RAILS_DEFAULT_LOGGER
    else
      ActiveRecord::Base.logger # ... very old Rails.
    end
  end