aasm 0

AASM - State machines for Ruby classes

3 years after MIT

= AASM - Ruby state machines

This package contains AASM, a library for adding finite state machines to Ruby classes.

AASM started as the acts_as_state_machine plugin but has evolved into a more generic library that no longer targets only ActiveRecord models.

AASM has the following features:

  • States
  • Machines
  • Events
  • Transitions

== Download

The latest AASM can currently be pulled from the git repository on github.

A release and a gem are forthcoming.

== Installation

=== From GitHub hosted gems

% sudo gem sources -a http://gems.github.com # (you only need to do this once) % sudo gem install rubyist-aasm

=== Building your own gems

% rake gem % sudo gem install pkg/aasm-2.0.1.gem

== Simple Example

Here's a quick example highlighting some of the features.

class Conversation include AASM

aasm_initial_state :unread

aasm_state :unread
aasm_state :read
aasm_state :closed

aasm_event :view do
  transitions :to => :read, :from => [:unread]

aasm_event :close do
  transitions :to => :closed, :from => [:read, :unread]


= Other Stuff

Author:: Scott Barron License:: Copyright 2006, 2007, 2008 by Scott Barron. Released under an MIT-style license. See the LICENSE file included in the distribution. Bugs:: http://rubyist.lighthouseapp.com/projects/13207-aasm/ GitHub:: http://github.com/rubyist/aasm/tree/master

== Warranty

This software is provided "as is" and without any express or implied warranties, including, without limitation, the implied warranties of merchantibility and fitness for a particular purpose.

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