有一个用户窗口MainWindow,包含Menu,ToolBar,Dialog等,Dialog上布置有Textbox,Button等元素。 我们应用Creator模式,先为它们设计好具有阶层关系的类图,如下: 因为MyMenu,MyToolBar,MyDialog由MainWindow所包含,MyTextbox,MyButton被MyDialog包含,MainWindow由Main类调用, 根据Creator模式所提倡的方法,它们的实例的创建职...
GRASP,职责分配软件模式,General Responsibility Assignment Software Patterns,】,是面向对象设计和职责分配中的九个基本原则,最早是在克雷·拉蒙1997...GRASP中提到的模式和原则包括有控制器(controller)、创建者(creator)、中介(indirection)、信息专家(information expert)、低耦合性(low coupling...克雷·拉蒙提到:“软...
vCreator vController vHighCohesion vLowCoupling vLearntheotherpatternsaftertheseare mastered 5 ExpertPattern vThemostcommonlyusedpattern vAssignaresponsibilitytotheinformation expert –theclassthathastheinformationnecessaryto fulfilltheresponsibility vExample: ...
To understand the GRASP pattern “Low Coupling” Preface We have explored what are patterns and GRASP (in part I), Information Expert in part II and Creator in part II and “Controller” in part IV. In this part V, we would focus on next GRASP pattern named “Low Coupling”. The ...
Following diagram depicts the Controller pattern. Compared to Creator pattern, it has additional class called makeSaleHandler (in fact the “Register” class shown in the article for Creator pattern can be called as controller) which controls and coordinates the sale. Cashier - represents some role...
第11讲_Ch17_GRASP基于职责设计对象 IntellAgile GRASP:基于职GRASP:基于职责设计对象 www.craiglarman.com Copyright©2002CraigLarman.Allrightsreserved.Larman.IntellAgile 简介 决定方法归属于哪个对象和对象之间如何交互，其意义重大，应谨慎从事。掌握OOD涉及一套柔性原则，自由度很大，这正掌握OOD涉及一套柔性原则...
GRASP简短示例 涉及9个Pattern中的5个 Creator Information Expert Low Coupling Controller High Cohesion Information Expert Controller MVS原则 Controller 在对象设计中应用GRASP Creator Information Expert 讨论 it is a basic guiding principle used continuously in object design the fulfillment of a responsibility ...
GRASP,职责分配软件模式,General Responsibility Assignment Software Patterns,】,是面向对象设计和职责分配中的九个基本原则,最早是在克雷·拉蒙1997...GRASP中提到的模式和原则包括有控制器(controller)、创建者(creator)、中介(indirection)、信息专家(information expert)、低耦合性(low coupling...克雷·拉蒙提到:“软...
To understand the GRASP pattern “Pure Fabrication” Preface We have explored what are patterns and GRASP (in part I), Information Expert in part II and Creator in part II, Controller in Part IV, “Low Coupling” in part V and “High Cohesion” in part VI and Polymorphism in Part VII....