# File lib/transitions/state_transition.rb, line 43 def execute(obj, *args) case @on_transition when Symbol, String obj.send(@on_transition, *args) when Proc @on_transition.call(obj, *args) when Array @on_transition.each do |callback| # Yes, we're passing always the same parameters for each callback in here. # We should probably drop args altogether in case we get an array. obj.send(callback, *args) end else # TODO: We probably should check for this in the constructor and not that late. fail ArgumentError, "You can only pass a Symbol, a String, a Proc or an Array to 'on_transition'"\ " - got #{@on_transition.class}." unless @on_transition.nil? end end