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author | José Valim <jose.valim@gmail.com> | 2009-08-07 16:10:17 +0200 |
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committer | José Valim <jose.valim@gmail.com> | 2009-08-07 16:10:17 +0200 |
commit | dac8927b0576bff89ba3a4fcbf502dffc9b39e89 (patch) | |
tree | 58c25132a52ef5cc56f406f8e2df416c5f2776a6 /activerecord/lib/active_record/state_machine.rb | |
parent | 072c87b532a0bfb334787928248863a2561dc849 (diff) | |
parent | 606e950ccbd02a10f724c73543575a2a4e1ed8cb (diff) | |
download | rails-dac8927b0576bff89ba3a4fcbf502dffc9b39e89.tar.gz rails-dac8927b0576bff89ba3a4fcbf502dffc9b39e89.tar.bz2 rails-dac8927b0576bff89ba3a4fcbf502dffc9b39e89.zip |
Merge branch 'master' of git://github.com/rails/rails into old
Diffstat (limited to 'activerecord/lib/active_record/state_machine.rb')
-rw-r--r-- | activerecord/lib/active_record/state_machine.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/state_machine.rb b/activerecord/lib/active_record/state_machine.rb new file mode 100644 index 0000000000..aebd03344a --- /dev/null +++ b/activerecord/lib/active_record/state_machine.rb @@ -0,0 +1,24 @@ +module ActiveRecord + module StateMachine #:nodoc: + extend ActiveSupport::Concern + include ActiveModel::StateMachine + + included do + before_validation :set_initial_state + validates_presence_of :state + end + + protected + def write_state(state_machine, state) + update_attributes! :state => state.to_s + end + + def read_state(state_machine) + self.state.to_sym + end + + def set_initial_state + self.state ||= self.class.state_machine.initial_state.to_s + end + end +end |