# Sanity check for the transaction class method.
if defined?(ActiveRecord::Base) && ActiveRecord::Base.respond_to?(:transaction)

  # Rails <= 1.2 supported object transactions.
  unless ActiveRecord::Base.method(:transaction).arity.zero?
    ActiveRecord::Base.logger.error "ObjectTransactions plugin disabled. You're running Rails 1.2 or earlier which support object transactions."

  # (Rails > 1.2 unbundled the feature.)
  else
    ActiveRecord::Base.send :include, ActiveRecord::ObjectTransactions
  end

else
  ActiveRecord::Base.logger.error "ObjectTransactions plugin disabled. BUG: ActiveRecord::Base doesn't have a transaction method."
end