大话设计模式职责链模式的实践请求加薪

UML

申请

/*** 申请*/
public class Request {private String type;private String content;private int num;public Request() {}public Request(String type, String content, int num) {this.type &＃61; type;this.content &＃61; content;this.num &＃61; num;}&＃64;Overridepublic String toString() {return "Request{" &＃43;"type&＃61;&＃39;" &＃43; type &＃43; &＃39;\&＃39;&＃39; &＃43;", content&＃61;&＃39;" &＃43; content &＃43; &＃39;\&＃39;&＃39; &＃43;", num&＃61;" &＃43; num &＃43;&＃39;}&＃39;;}public String getType() {return type;}public void setType(String type) {this.type &＃61; type;}public String getContent() {return content;}public void setContent(String content) {this.content &＃61; content;}public int getNum() {return num;}public void setNum(int num) {this.num &＃61; num;}
}

经理

/*** 经理*/
public class CommonManager extends Manager {public CommonManager(String name) {super(name);}/*** 经理的权限是准许两天内的假期** &＃64;param request*/&＃64;Overridepublic void requestApplications(Request request) {if ("请假".equals(request.getType()) && request.getNum() <&＃61; 2) {System.out.println("经理 " &＃43; name &＃43; " 准许 " &＃43; request.toString());} else if (superior !&＃61; null) {superior.requestApplications(request);}}
}

总监

/*** 总监*/
public class Majordomo extends Manager {public Majordomo(String name) {super(name);}/*** 总监的权限是准许五天内的假期** &＃64;param request*/&＃64;Overridepublic void requestApplications(Request request) {if ("请假".equals(request.getType()) && request.getNum() <&＃61; 5) {System.out.println("总监 " &＃43; name &＃43; " 准许 " &＃43; request.toString());} else if (superior !&＃61; null) {superior.requestApplications(request);}}
}

总经理

/*** 总经理*/
public class GeneraManager extends Manager {public GeneraManager(String name) {super(name);}/*** 总经理的权限是准许任意天内的假期** &＃64;param request*/&＃64;Overridepublic void requestApplications(Request request) {if ("请假".equals(request.getType())) {System.out.println("总经理 " &＃43; name &＃43; " 准许 " &＃43; request.toString());} else if ("加薪".equals(request.getType()) && request.getNum() <&＃61; 500) {System.out.println("总经理 " &＃43; name &＃43; " 准许 " &＃43; request.toString());} else if ("加薪".equals(request.getType()) && request.getNum() > 500) {System.out.println("总经理 " &＃43; name &＃43; " 这个请求我再考虑考虑 " &＃43; request.toString());}}
}


测试类

/*** 测试类*/
public class Main {public static void main(String[] args) {CommonManager commonManager &＃61; new CommonManager("王经理");Majordomo majordomo &＃61; new Majordomo("李总监");GeneraManager generaManager &＃61; new GeneraManager("张总经理");commonManager.setSuperior(majordomo);majordomo.setSuperior(generaManager);Request request1 &＃61; new Request("请假", "我感冒了要请假&＃xff01;", 2);commonManager.requestApplications(request1);Request request2 &＃61; new Request("请假", "我感冒了要请假&＃xff01;", 3);commonManager.requestApplications(request2);Request request3 &＃61; new Request("加薪", "我要加薪!!&＃xff01;", 500);commonManager.requestApplications(request3);Request request4 &＃61; new Request("加薪", "我要加薪!!&＃xff01;", 1000);commonManager.requestApplications(request4);}
}

运行结果