Axe AM state machine

We're going do it eventually, get it done before 3.0 is final.

1 files changed, 0 insertions, 62 deletions

diff --git a/activemodel/lib/active_model/state_machine/event.rb b/activemodel/lib/active_model/state_machine/event.rb
deleted file mode 100644
index 30e9601dc2..0000000000
--- a/activemodel/lib/active_model/state_machine/event.rb
+++ /dev/null
@@ -1,62 +0,0 @@
-module ActiveModel
-  module StateMachine
-    class Event
-      attr_reader :name, :success
-
-      def initialize(machine, name, options = {}, &block)
-        @machine, @name, @transitions = machine, name, []
-        if machine
-          machine.klass.send(:define_method, "#{name}!") do |*args|
-            machine.fire_event(name, self, true, *args)
-          end
-
-          machine.klass.send(:define_method, name.to_s) do |*args|
-            machine.fire_event(name, self, false, *args)
-          end
-        end
-        update(options, &block)
-      end
-
-      def fire(obj, to_state = nil, *args)
-        transitions = @transitions.select { |t| t.from == obj.current_state(@machine ? @machine.name : nil) }
-        raise InvalidTransition if transitions.size == 0
-
-        next_state = nil
-        transitions.each do |transition|
-          next if to_state && !Array(transition.to).include?(to_state)
-          if transition.perform(obj)
-            next_state = to_state || Array(transition.to).first
-            transition.execute(obj, *args)
-            break
-          end
-        end
-        next_state
-      end
-
-      def transitions_from_state?(state)
-        @transitions.any? { |t| t.from? state }
-      end
-
-      def ==(event)
-        if event.is_a? Symbol
-          name == event
-        else
-          name == event.name
-        end
-      end
-
-      def update(options = {}, &block)
-        if options.key?(:success) then @success = options[:success] end
-        if block                  then instance_eval(&block)        end
-        self
-      end
-
-      private
-        def transitions(trans_opts)
-          Array(trans_opts[:from]).each do |s|
-            @transitions << StateTransition.new(trans_opts.merge({:from => s.to_sym}))
-          end
-        end
-    end
-  end
-end