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锁定老帖子 主题：请假 加薪（职责链模式）
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发表时间：2009-12-30
学习笔记
职责链模式的结构 和装饰模式的结构是一样的。
请求类型 public class Request {
private String name;
private String requestType;
private int number;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getRequestType() {
return requestType;
}
public void setRequestType(String requestType) {
this.requestType = requestType;
}
public int getNumber() {
return number;
}
public void setNumber(int number) {
this.number = number;
}
}
管理的抽象类
public abstract class Manager {
protected String name;
//管理者的上级
protected Manager superior;
public Manager(String name) {
this.name=name;
}
//设置管理者的上级
public void SetSuperior(Manager superior){
this.superior=superior;
}
//声请请求
abstract public void requestApplications(Request requset);
public static void main(String[]args){
CommonManager commonManager =new CommonManager("hyy");
GeneralManager generalManager =new GeneralManager("ysen");
Majordomo majordomo =new Majordomo("hdx");
//设置上下级
commonManager.SetSuperior(majordomo);
majordomo.SetSuperior(generalManager);
Request request = new Request();
request.setName("ysen");
request.setRequestType("加薪");
request.setNumber(800);
commonManager.requestApplications(request);
}
}
管理的具体类
//总经理
public class GeneralManager extends Manager {
public GeneralManager(String name) {
super(name);
}
@Override
public void requestApplications(Request request) {
if(request.getRequestType().equals("请假")&&request.getNumber()<=7){
System.out.println(request.getName()+request.getRequestType()+request.getNumber()+"被批准" );
}else if(request.getRequestType().equals("加薪")&&request.getNumber()<=800){
System.out.println(request.getName()+request.getRequestType()+request.getNumber()+"被批准" );
}
else{
if(this.superior!=null){
this.superior.requestApplications(request);
}
}
}
}
//总监
public class Majordomo extends Manager {
public Majordomo(String name) {
super(name);
}
@Override
public void requestApplications(Request request) {
if(request.getRequestType().equals("请假")&& request.getNumber() <=5){
System.out.println(request.getName()+request.getRequestType()+request.getNumber()+"被批准" );
}else{
if(this.superior!=null){
this.superior.requestApplications(request);
}
}
}
}
//经理
public class CommonManager extends Manager {
public CommonManager(String name) {
super(name);
}
@Override
public void requestApplications(Request request) {
if(request.getRequestType().equals("请假")&& request.getNumber()<=2){
System.out.println(request.getName()+request.getRequestType()+request.getNumber()+"被批准" );
}else{
if(this.superior!=null){
this.superior.requestApplications(request);
}
}
}
}
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