class Rufus::Scheduler::Job

def callback(meth, time) 

def callback(meth, time)
  return true unless @scheduler.respond_to?(meth)
  arity = @scheduler.method(meth).arity
  args = [ self, time ][0, (arity < 0 ? 2 : arity)]
  @scheduler.send(meth, *args)
end