A few openstack projects also use them, to explicitly define the transitions there resources (and/or other objects) will go through in a controlled manner. htt

A few openstack projects also use them, to explicitly define the transitions there resources (and/or other objects) will go through in a controlled manner. http://docs.openstack.org/developer/ironic/dev/states.html http://docs.openstack.org/developer/ironic/dev/states.html https://github.com/openstack/automaton https://github.com/openstack/automaton http://docs.openstack.org/developer/taskflow/states.html http://docs.openstack.org/developer/taskflow/states.html