/** * 请假条 * 封装请假的信息。 */ package com.bjsxt.cn.chainOfResponsibility;
public class LeaveRequest { private String empName; private int leaveDays; private String reasons; public LeaveRequest(String empName, int leaveDays, String reasons) { super(); this.empName = empName; this.leaveDays = leaveDays; this.reasons = reasons; }
public String getEmpName() { return empName; }
public void setEmpName(String empName) { this.empName = empName; }
public int getLeaveDays() { return leaveDays; }
public void setLeaveDays(int leaveDays) { this.leaveDays = leaveDays; }
public String getReasons() { return reasons; }
public void setReasons(String reasons) { this.reasons = reasons; } @Override public String toString() { return "雇员:" + empName + "请假,天数:" + leaveDays + ",请假理由:" + reasons; } }
/** * 抽象类Leader,在请假的流程之中,把审批人员 * 主任,经理,总经理,抽象成一个类,他们 * 具有相同的功能,审批。handleRequest * 2015年4月9日14:40:49 * */ package com.bjsxt.cn.chainOfResponsibility;
public abstract class Leader { protected String name; protected Leader nextLeader; public Leader(String name) { super(); this.name = name; }
public void setNextLeader(Leader nextLeader) { this.nextLeader = nextLeader; } public abstract void handleRequest(LeaveRequest request); public abstract String check(); }
/** * 主任类: * 如果请假天数小于3天,主任审批 * 2015年4月9日14:43:36 */ package com.bjsxt.cn.chainOfResponsibility;
public class Director extends Leader {
public Director(String name) { super(name); }
@Override public void handleRequest(LeaveRequest request) { if (request.getLeaveDays() < 3) { System.out.println("雇员名字:" + request.getEmpName() +"请假,天数为:" + request.getLeaveDays() +"请假原因为" +request.getReasons()); System.out.println(check()); } else { if (this.nextLeader != null) { this.nextLeader.handleRequest(request); } } }
@Override public String check() { return "主任:" + name + "审批通过!"; } }
/** * 时间:2015年4月9日14:48:13 * 经理类: 如果请假条数大于等于3天,小于十天,经理审批 */ package com.bjsxt.cn.chainOfResponsibility;
public class Manager extends Leader {
public Manager(String name) { super(name); } @Override public void handleRequest(LeaveRequest request) { if (request.getLeaveDays() <10) { System.out.println(request.toString()); System.out.println(check()); } else { if (this.nextLeader != null) { this.nextLeader.handleRequest(request); } } }
@Override public String check() { return "经理:" + name + "审批通过"; }
}
/** * 总经理: 如果大于等于十天,小于三十天,总经理审批 * 时间:2015年4月9日14:53:41 */ package com.bjsxt.cn.chainOfResponsibility;
public class GeneralManager extends Leader {
public GeneralManager(String name) { super(name); } @Override public void handleRequest(LeaveRequest request) { if (request.getLeaveDays() < 30) { System.out.println(request.toString()); System.out.println(check()); } else { System.out.println(request.toString() + "莫非想辞职,不批准"); } }
@Override public String check() { return "总经理 :" + name +"审核通过"; }
}
/** * 2015年4月9日14:59:50 * 测试程序:测试责任链模式的使用 * 我们使用责任链模式而不是非常繁冗复杂的ifelse结构,是为了扩展时的方便。 * 例如,此时,我们如果想要加入一位副总经理,来处理10到20天的假条审核 * 我们只需要加入新的类ViceGeneralManager,在客户程序中创建新的责任链即可。 * 这样符合OCP原则,即开闭原则。 */ package com.bjsxt.cn.chainOfResponsibility;
public class Client { public static void main(String[] args) { LeaveRequest l1 = new LeaveRequest("杰伦", 1, "旅游"); LeaveRequest l2 = new LeaveRequest("张靓颖", 8, "恋爱"); LeaveRequest l3 = new LeaveRequest("夏洛蒂", 15, "失恋了"); LeaveRequest l4 = new LeaveRequest("巴赫", 37, "在家带孩子"); Leader ll1 = new Director("张主任"); Leader ll2 = new Manager("李经理"); Leader ll3 = new GeneralManager("王总经理"); //创建责任链 ll1.setNextLeader(ll2); ll2.setNextLeader(ll3); ll1.handleRequest(l1); ll1.handleRequest(l2); ll1.handleRequest(l3); ll1.handleRequest(l4); } } /* 雇员名字:杰伦请假,天数为:1请假原因为旅游 主任:张主任审批通过! 雇员:张靓颖请假,天数:8,请假理由:恋爱 经理:李经理审批通过 雇员:夏洛蒂请假,天数:15,请假理由:失恋了 总经理 :王总经理审核通过 雇员:巴赫请假,天数:37,请假理由:在家带孩子莫非想辞职,不批准
* * */
/** * 加入副总经理处理十天到二十天的假条审核 * 2015年4月9日15:12:46 */ package com.bjsxt.cn.chainOfResponsibility;
public class ViceGeneralManager extends Leader{
public ViceGeneralManager(String name) { super(name); }
@Override public void handleRequest(LeaveRequest request) { if (request.getLeaveDays() < 20) { System.out.println(request.toString()); System.out.println(check()); } else { if (this.nextLeader != null) { this.nextLeader.handleRequest(request); } } }
@Override public String check() { return "副总经理:" + name + "审核通过"; }
}
/** * 增加ViceGeneralManager类之后稍作调整就可以加入加入该类之后的新的责任链。 */ package com.bjsxt.cn.chainOfResponsibility;
public class Client2 { public static void main(String[] args) { LeaveRequest l1 = new LeaveRequest("杰伦", 1, "旅游"); LeaveRequest l2 = new LeaveRequest("张靓颖", 8, "恋爱"); LeaveRequest l3 = new LeaveRequest("夏洛蒂", 15, "失恋了"); LeaveRequest l4 = new LeaveRequest("巴赫", 37, "在家带孩子"); Leader ll1 = new Director("张主任"); Leader ll2 = new Manager("李经理"); Leader ll22 = new ViceGeneralManager("王副总经理"); Leader ll3 = new GeneralManager("王总经理"); //创建责任链 ll1.setNextLeader(ll2); ll2.setNextLeader(ll22); ll22.setNextLeader(ll3); ll1.handleRequest(l1); ll1.handleRequest(l2); ll1.handleRequest(l3); ll1.handleRequest(l4); } } /* * 雇员名字:杰伦请假,天数为:1请假原因为旅游 主任:张主任审批通过! 雇员:张靓颖请假,天数:8,请假理由:恋爱 经理:李经理审批通过 雇员:夏洛蒂请假,天数:15,请假理由:失恋了 副总经理:王副总经理审核通过 雇员:巴赫请假,天数:37,请假理由:在家带孩子莫非想辞职,不批准
* * */
时间: 2024-10-18 04:37:40