#!/Users/dave/ruby1.8/bin/ruby
#---
# Excerpted from "Agile Web Development with Rails, 3rd Ed.",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material, 
# courses, books, articles, and the like. Contact us if you are in doubt.
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails3 for more book information.
#---
ActiveRecord::Base.lock_mutex
ActiveRecord::Base.connection.begin_db_transaction
at_exit do
  ActiveRecord::Base.connection.rollback_db_transaction
  ActiveRecord::Base.unlock_mutex
end
