state_machine

https://github.com/pluginaweek/state_machine

Ruby

Adds support for creating state machines for attributes on any Ruby class

StateMachine::MachineCollection#transitions

Builds the collection of transitions for all event attributes defined on
the given object.  This will only include events whose machine actions
match the one specified.

These should only be fired as a result of the action being run.

Source | Google | Stack overflow

Edit

git clone [email protected]:pluginaweek/state_machine.git

cd state_machine

open lib/state_machine/machine_collection.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-StateMachine--MachineCollection-transitions-for-pr

# Commit to git

git add lib/state_machine/machine_collection.rbgit commit -m "better docs for StateMachine::MachineCollection#transitions"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-StateMachine--MachineCollection-transitions-for-pr

hub pull-request

# Celebrate!