public JsonResult Clear() { ElementaryArithCaculator receiver; if (Session["calculator"] == null) { Session.Add("calculator", new ElementaryArithCaculator()); } if (Session["invoker"] == null) { Session.Add("invoker", new CalculationInvoker()); } receiver = new ElementaryArithCaculator(); invoker = new CalculationInvoker(); Session["calculator"] = receiver; Session["invoker"] = invoker; return Json(receiver.GetResult(), JsonRequestBehavior.AllowGet); }
public JsonResult Compute(int operand, string @operator) { ElementaryArithCaculator receiver; if (Session["calculator"] == null) { Session.Add("calculator", new ElementaryArithCaculator()); } if (Session["invoker"] == null) { Session.Add("invoker", new CalculationInvoker()); } receiver = (ElementaryArithCaculator)Session["calculator"]; invoker = (CalculationInvoker)Session["invoker"]; //(new CalculationInvoker()).Compute(receiver, @operator, operand); invoker.Compute(receiver, @operator, operand); Session["calculator"] = receiver; Session["invoker"] = invoker; return Json(receiver.GetResult(), JsonRequestBehavior.AllowGet); }