1 files changed, 0 insertions, 75 deletions
diff --git a/activemodel/lib/active_model/state_machine/machine.rb b/activemodel/lib/active_model/state_machine/machine.rb
deleted file mode 100644
index 777531213e..0000000000
--- a/activemodel/lib/active_model/state_machine/machine.rb
+++ /dev/null
@@ -1,75 +0,0 @@
-module ActiveModel
-  module StateMachine
-    class Machine
-      attr_writer :initial_state
-      attr_accessor :states, :events, :state_index
-      attr_reader :klass, :name
-
-      def initialize(klass, name, options = {}, &block)
-        @klass, @name, @states, @state_index, @events = klass, name, [], {}, {}
-        update(options, &block)
-      end
-
-      def initial_state
-        @initial_state ||= (states.first ? states.first.name : nil)
-      end
-
-      def update(options = {}, &block)
-        if options.key?(:initial) then @initial_state = options[:initial] end
-        if block                  then instance_eval(&block)              end
-        self
-      end
-
-      def fire_event(event, record, persist, *args)
-        state_index[record.current_state(@name)].call_action(:exit, record)
-        if new_state = @events[event].fire(record, *args)
-          state_index[new_state].call_action(:enter, record)
-
-          if record.respond_to?(event_fired_callback)
-            record.send(event_fired_callback, record.current_state, new_state)
-          end
-
-          record.current_state(@name, new_state, persist)
-          record.send(@events[event].success) if @events[event].success
-          true
-        else
-          if record.respond_to?(event_failed_callback)
-            record.send(event_failed_callback, event)
-          end
-
-          false
-        end
-      end
-
-      def states_for_select
-        states.map { |st| [st.display_name, st.name.to_s] }
-      end
-
-      def events_for(state)
-        events = @events.values.select { |event| event.transitions_from_state?(state) }
-        events.map! { |event| event.name }
-      end
-
-      def current_state_variable
-        "@#{@name}_current_state"
-      end
-
-      private
-        def state(name, options = {})
-          @states << (state_index[name] ||= State.new(name, :machine => self)).update(options)
-        end
-
-        def event(name, options = {}, &block)
-          (@events[name] ||= Event.new(self, name)).update(options, &block)
-        end
-
-        def event_fired_callback
-          @event_fired_callback ||= (@name == :default ? '' : "#{@name}_") + 'event_fired'
-        end
-
-        def event_failed_callback
-          @event_failed_callback ||= (@name == :default ? '' : "#{@name}_") + 'event_failed'
-        end
-    end
-  end
-end