中南大学软件体系结构实验6行为型设计模式实验(共25页).doc

精选优质文档-倾情为你奉上软件体系结构实验报告项目名称 行为型设计模式实验 专业班级 学 号 姓 名 实验成绩：批阅教师：年 月 日专心-专注-专业实验6 行为型设计模式实验实验学时： 2 每组人数： 1 实验类型： 3 （1：基础性 2：综合性 3：设计性 4：研究性）实验要求： 1 （1：必修 2：选修 3：其它）实验类别： 3 （1：基础 2：专业基础 3：专业 4：其它）一、实验目的熟练使用PowerDesigner和任意一种面向对象编程语言实现几种常见的行为型设计模式，包括观察者模式和策略模式，理解每一种设计模式的模式动机，掌握模式结构，学习如何使用代码实现这些模式。二、实验内容1. 某实时在线股票软件需要提供如下功能：当股票购买者所购买的某支股票价格变化幅度达到5%时，系统将自动发送通知（包括新价格）给购买该股票的所有股民。试使用观察者模式设计并实现该系统，要求绘制相应的类图并编程模拟实现。2. 某公司欲开发一套机房监控系统，如果机房达到某一指定温度，温度传感器(Thermosensor)将自动传递信号给各种响应设备，例如警示灯(CautionLight)将闪烁(flicker()、报警器(Annunciator)将发出警报(alarm()、安全逃生门(SecurityDoor)将自动开启(open()、隔热门(InsulatedDoor)将自动关闭(close()等，每一种响应设备的行为由专门的程序来控制。为了将来能够方便地引入新类型的响应设备，采用观察者模式和适配器模式设计并模拟实现该系统。3. 某软件公司为某电影院开发了一套影院售票系统，在该系统中需要为不同类型的用户提供不同的电影票(MovieTicket)打折(Discount)方式，具体打折方案如下：(1) 学生凭学生证可享受票价8折优惠；(2) 年龄在10周岁及以下的儿童可享受每张票减免10元的优惠（原始票价需大于等于20元）；(3) 影院VIP用户除享受票价半价优惠外还可进行积分，积分累计到一定额度可换取电影院赠送的奖品。该系统在将来可能还要根据需要引入新的打折方式。试使用策略模式设计并编程模拟实现该影院售票系统。4. 某软件公司欲开发一款飞机模拟系统，该系统主要模拟不同种类飞机的飞行特征与起飞特征，需要模拟的飞机种类及其特征如表1所示：表1 飞机种类及特征一览表飞机种类起飞特征飞行特征直升机(Helicopter)垂直起飞(VerticalTakeOff)亚音速飞行(SubSonicFly)客机(AirPlane)长距离起飞(LongDistanceTakeOff)亚音速飞行(SubSonicFly)歼击机(Fighter)长距离起飞(LongDistanceTakeOff)超音速飞行(SuperSonicFly)鹞式战斗机(Harrier)垂直起飞(VerticalTakeOff)超音速飞行(SuperSonicFly)为将来能够模拟更多种类的飞机，试采用策略模式设计并模拟实现该飞机模拟系统。三、实验要求1. 结合实例，正确无误地绘制观察者模式和策略模式的模式结构图；2. 使用任意一种面向对象编程语言实现观察者模式和策略模式实例，代码运行正确无误。四、实验步骤1. 结合实例，使用PowerDesigner绘制观察者模式实例结构图并用面向对象编程语言实现该模式实例；2. 结合实例，使用PowerDesigner绘制观察者模式实例结构图并用面向对象编程语言实现该模式实例；3. 结合实例，使用PowerDesigner绘制策略模式实例结构图并用面向对象编程语言实现该模式实例；4. 结合实例，使用PowerDesigner绘制策略模式实例结构图并用面向对象编程语言实现该模式实例。五、实验结果1. 类图：实现代码：public class Client public static void main(String args)SharesSubject share1 = new ConcreteShares(100);Invester observer1 = new Invester("张三");Invester observer2 = new Invester("李四");share1.addInvester(observer1);share1.addInvester(observer2);share1.change();/* * Module: ConcreteShares.java * Author: ct * Purpose: Defines the Class ConcreteShares */import java.util.*;/* pdOid 03891fd5-7c63-4b84-9bbf-d48d2 */public class ConcreteShares extends SharesSubject /* pdOid ab879b87-ee8a-4265-93ea-a9f2ef3b54d9 */private double price;ConcreteShares(double newPrice)price = newPrice;public void setPrice(double newPrice)price = newPrice;public double getPrice()return price; public void change() / TODO: implement System.out.println("变化超过5%"); System.out.println("-"); for(MyObserver obs:observer) (MyObserver)obs).getChange(price); /* * Module: Invester.java * Author: ct * Purpose: Defines the Class Invester */import java.util.*;/* pdOid a295ff58-e079-42a6-a1d9-fdae60 */public class Invester implements MyObserver public String name;Invester(String name)this.name = name; public void getChange(double Price) / TODO: implement System.out.println("正在发送信息给用户"+name+"，目前该股票价格为"+Price); /* * Module: MyObserver.java * Author: ct * Purpose: Defines the Interface MyObserver */import java.util.*;/* pdOid 995b8e6a-43c4-4fa9-99ca-10b78081beae */public interface MyObserver /* pdOid 463b82d3-31e1-4c0a-afae-ab82 */ public void getChange(double Price);/* * Module: SharesSubject.java * Author: ct * Purpose: Defines the Class SharesSubject */import java.util.*;/* pdOid 23f9decd-a8e4-4e34-9cf2-6abf8fcc3678 */public abstract class SharesSubject /* pdOid 06f9c8c6-c557-4a15-8bb9-bcd68 */ public ArrayList<MyObserver> observer = new ArrayList(); public void addInvester(MyObserver newObserver) / TODO: implement observer.add(newObserver); /* pdOid 3050e00a-10fc-4cb8-9492-222fcc9964a2 */ public void removeInvester(MyObserver oldObserver) / TODO: implement observer.remove(oldObserver); /* pdOid 7dc77e25-a4ab-4193-96bc-bca75699feaf */ public abstract void change(); 2. 类图：实现代码：v/* * Module: Annunciatior.java * Author: ct * Purpose: Defines the Class Annunciatior */import java.util.*;/* pdOid 3510b9e2-117f-483b-8974-09ecf1 */public class Annunciator /* pdOid a6c25fe7-e2d8-42da-ba61-b75314a19725 */ public void alarm() / TODO: implement System.out.println("警报响起"); /* * Module: AnnuciatorObserver.java * Author: ct * Purpose: Defines the Class AnnuciatorObserver */import java.util.*;/* pdOid 30002f48-45d3-4162-94aa-a9d00c4768ec */public class AnnunciatorObserver implements MyObserver /* pdOid 7b-3f2b-46e5-8f57-96eb28d90d5c */ private Annunciator annunciator; AnnunciatorObserver(Annunciator newAnnunciator) this.annunciator = newAnnunciator; /* pdOid cc9d6b91-6264-4d80-804d-cb8a933fc46c */ public void response() / TODO: implement annunciator.alarm(); /* * Module: CautionLight.java * Author: ct * Purpose: Defines the Class CautionLight */import java.util.*;/* pdOid 5cf7cee6-d049-4109-a349-801aa */public class CautionLight /* pdOid 212c62b0-7f33-44ba-a43e-7ee6a */ public void flicker() / TODO: implement System.out.println("应急灯打开"); /* * Module: CautionLightObserver.java * Author: ct * Purpose: Defines the Class CautionLightObserver */import java.util.*;/* pdOid 438ef70a-32ca-4bb3-a07e-71de5 */public class CautionLightObserver implements MyObserver /* pdOid 0887aded-cca4-490d-af3c-d8356b */ private CautionLight cautionLight; CautionLightObserver(CautionLight newCautionLight) this.cautionLight = newCautionLight; /* pdOid 6cba0a71-1bc7-4052-8f95-b9ad83e34d2a */ public void response() / TODO: implement cautionLight.flicker(); public class Client public static void main(String args)MySubject tempreture = new Tempreture();MyObserver annunciatorObserver,cautionLightObserver,insulatedDoorObserver,securityDoorObserver;Annunciator annunciator = new Annunciator();CautionLight cautionLight = new CautionLight();InsulatedDoor insulatedDoor = new InsulatedDoor();SecurityDoor securityDoor = new SecurityDoor();annunciatorObserver = new AnnunciatorObserver(annunciator);cautionLightObserver = new CautionLightObserver(cautionLight);insulatedDoorObserver = new InsulatedDoorObserver(insulatedDoor);securityDoorObserver = new SecurityDoorObserver(securityDoor);tempreture.add(securityDoorObserver);tempreture.add(insulatedDoorObserver);tempreture.add(cautionLightObserver);tempreture.add(annunciatorObserver);tempreture.change();/* * Module: InsulatedDoor.java * Author: ct * Purpose: Defines the Class InsulatedDoor */import java.util.*;/* pdOid f495d797-be3a-4141-9d50-eb46ab */public class InsulatedDoor /* pdOid 7540dd3b-1f25-4d54-8828-73222f87e612 */ public void close() / TODO: implement System.out.println("隔离门关闭"); /* * Module: InsulatedDoorObserver.java * Author: ct * Purpose: Defines the Class InsulatedDoorObserver */import java.util.*;/* pdOid -c6ee-4b65-b8a4-a55c */public class InsulatedDoorObserver implements MyObserver /* pdOid 9da21a0d-9858-485c-9d9b-5e3fc4e7c652 */ private InsulatedDoor insulatedDoor; InsulatedDoorObserver(InsulatedDoor newInsulatedDoor) this.insulatedDoor = newInsulatedDoor; /* pdOid 2044ceef-9d41-474b-be4d-8feb1aeb828a */ public void response() / TODO: implement insulatedDoor.close(); /* * Module: MyObserver.java * Author: ct * Purpose: Defines the Interface MyObserver */import java.util.*;/* pdOid 2414fcb6-7a72-4e74-b7e4-ff02a04c2264 */public interface MyObserver /* pdOid be86483c-16d5-4f53-a1f1-a12f56fb13c6 */ void response();/* * Module: MySubject.java * Author: ct * Purpose: Defines the Class MySubject */import java.util.*;/* pdOid 0af97a55-e330-4640-abe4-26dc1dc49144 */public abstract class MySubject /* pdOid 60bd7861-80b9-4756-893b-e294a09a9262 */ protected ArrayList<MyObserver> observer= new ArrayList(); /* param newobserver * pdOid 8f-73f6-40fd-b6ef-c82034c60bc7 */ public void add(MyObserver newobserver) / TODO: implement observer.add(newobserver); /* param old * pdOid e1b7ad74-946a-48f7-b813-c55737f4dd96 */ public void remove(MyObserver old) / TODO: implement observer.remove(old); /* pdOid 82c76231-cb91-499b-8749-e5e9fc3fc365 */ public abstract void change(); /* * Module: SecurityDoor.java * Author: ct * Purpose: Defines the Class SecurityDoor */import java.util.*;/* pdOid bc24bd59-23fe-44fd-b1ae-bbbe132f467a */public class SecurityDoor /* pdOid 2925ef22-eec2-4758-bf42-1c32d */ public void open() / TODO: implement System.out.println("安全门打开"); /* * Module: SecurityDoorObserver.java * Author: ct * Purpose: Defines the Class SecurityDoorObserver */import java.util.*;/* pdOid d0-b712-40a7-8097-718c2e4000ec */public class SecurityDoorObserver implements MyObserver /* pdOid 7f9d61ef-36f4-487d-b290-0ddf20df401f */ private SecurityDoor securityDoor; SecurityDoorObserver(SecurityDoor newSecurityDoor) this.securityDoor = newSecurityDoor; /* pdOid 78b7cc18-a6b4-416c-aecb-a87580c4c50d */ public void response() / TODO: implement securityDoor.open(); 3. 类图：实现代码：/* * Module: ChildrenDiscount.java * Author: ct * Purpose: Defines the Class ChildrenDiscount */import java.util.*;/* pdOid 40bf41f9-236d-421e-a4cb-c28e520efd0d */public class ChildrenDiscount implements Discount /* pdOid 9832b602-b5e6-4fdf-9eef-b823cfcaafc0 */ public void discount() / TODO: implement System.out.println("年龄在10周岁及以下的儿童可享受每张票减免10元的优惠（原始票价需大于等于20元）"); public class Client public static void main(String args)MovieTicket movieTicket = new MovieTicket();Discount studentDiscount,vipDiscount,childrenDiscount;studentDiscount = new StudentDiscount();vipDiscount = new VIPDiscount();childrenDiscount = new ChildrenDiscount();movieTicket.setDiscount(studentDiscount);movieTicket.discount();movieTicket.setDiscount(childrenDiscount);movieTicket.discount();/* * Module: Discount.java * Author: ct * Purpose: Defines the Interface Discount */import java.util.*;/* pdOid ab09e5e6-a612-4b8b-8713-b313bee1f1b2 */public interface Discount /* pdOid 7cdc2442-371c-4b9b-be7f-d3878eb29b89 */ void discount();/* * Module: MovieTicket.java * Author: ct * Purpose: Defines the Class MovieTicket */import java.util.*;/* pdOid -6bd5-4e91-945a-a2b17b */public class MovieTicket /* pdOid c6-86bd-4a6e-910a-887ec3775bda */ private Discount discount; /* param discoutn * pdOid b2db074a-345d-4eae-b390-fea81a41ac1d */ public void setDiscount(Discount discount) / TODO: implement this.discount = discount; /* pdOid ef01351f-b74d-4765-af6d-e11813b3b53c */ public void discount() / TODO: implement discount.discount(); /* * Module: StudentDiscount.java * Author: ct * Purpose: Defines the Class StudentDiscount */import java.util.*;/* pdOid 17d717dd-fcc8-4205-9965-503b708ac510 */public class StudentDiscount implements Discount /* pdOid ff1afcce-6145-4516-8a06-e6759f */ public void discount() / TODO: implement System.out.println("学生凭学生证可享受票价8折优惠；"); /*