大话设计模式 责任链模式

 加薪

经理-》总监-》总经理

package org.ustc.chain;public abstract class Manager {protected Manager supervisor;protected String name;public Manager( String name) {this.name = name;}public Manager getSupervisor() {return supervisor;}public void setSupervisor(Manager supervisor) {this.supervisor = supervisor;}public abstract void handleRequest(Request req);}

package org.ustc.chain;public class ProjectManager extends Manager {public ProjectManager(String name) {super(name);// TODO Auto-generated constructor stub}@Overridepublic void handleRequest(Request req) {// TODO Auto-generated method stubif(req.getNumber()<3&&req.getRequestType().equals("请假"))System.out.println(this.name+"处理请假");else supervisor.handleRequest(req);}}

package org.ustc.chain;public class ChiefManager extends Manager {public ChiefManager(String name) {super( name);// TODO Auto-generated constructor stub}@Overridepublic void handleRequest(Request req) {// TODO Auto-generated method stubif(req.getRequestType().equals("请假")&&req.getNumber()<10)System.out.println(this.name+"处理请假请求");else if(req.getRequestType().equals("加薪")&&req.getNumber()<500)System.out.println(this.name+"处理加薪请求");elseSystem.out.println("等等再说吧");}}

package org.ustc.chain;public class Director extends Manager{public Director( String name) {super( name);// TODO Auto-generated constructor stub}@Overridepublic void handleRequest(Request req) {// TODO Auto-generated method stubif(req.getRequestType().equals("请假")&&req.getNumber()<7)System.out.println(this.name+"处理请假请求");elsesupervisor.handleRequest(req);}}

package org.ustc.chain;public class Request {private String RequestType;private String RequestContent;private int Number;public String getRequestType() {return RequestType;}public void setRequestType(String requestType) {RequestType = requestType;}public String getRequestContent() {return RequestContent;}public void setRequestContent(String requestContent) {RequestContent = requestContent;}public int getNumber() {return Number;}public void setNumber(int number) {Number = number;}}

package org.ustc.chain;public class Main {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubManager jingli = new ProjectManager("经理");Manager zongjian = new Director("总监");Manager zongjinglin = new ChiefManager("总经理");jingli.setSupervisor(zongjian);zongjian.setSupervisor(zongjinglin);Request req = new Request();req.setNumber(50);req.setRequestType("请假");req.setNumber(10);req.setRequestType("加薪");jingli.handleRequest(req);}}