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Contents
[](https://travis-ci.org/state-machines/state_machines-activerecord)
[](https://codeclimate.com/github/state-machines/state_machines-activerecord)
# StateMachines Active Record Integration
The Active Record integration adds support for database transactions, automatically
saving the record, named scopes, validation errors.
## Installation
Add this line to your application's Gemfile:
gem 'state_machines-activerecord'
And then execute:
$ bundle
Or install it yourself as:
$ gem install state_machines-activerecord
## Usage
```ruby
class Vehicle < ActiveRecord::Base
state_machine :initial => :parked do
before_transition :parked => any - :parked, :do => :put_on_seatbelt
after_transition any => :parked do |vehicle, transition|
vehicle.seatbelt = 'off'
end
around_transition :benchmark
event :ignite do
transition :parked => :idling
end
state :first_gear, :second_gear do
validates_presence_of :seatbelt_on
end
end
def put_on_seatbelt
...
end
def benchmark
...
yield
...
end
end
```
Dependencies
Active Record 4.1+
## Contributing
1. Fork it ( https://github.com/state-machines/state_machines-activerecord/fork )
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create a new Pull Request
Version data entries
6 entries across 6 versions & 2 rubygems