关于银行项目系统的提问 - 黑马程序员技术交流社区

import java.util.Random;
import java.util.concurrent.Executors;
public class serviceWindow {
private Customer cust=Customer.COMMON;//默认为普通
private int WindowID = 1;//定义提个窗口号码
public void setCust(Customer cust) {
this.cust = cust;
}
public void setWindowID(int windowID) {
WindowID = windowID;
}
//这里设立一个启动方法
public void start(){
Executors.newSingleThreadExecutor().execute(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
//这里一定是不停的取号
while(true){
switch(cust){
case COMMON:
String windowName = "第"+WindowID+"号"+cust+"窗口";
System.out.println("正在获取任务");
Integer commonNumber = NumberMachine.getIntance().getCommonManager().fetchServiceNumber();//拿到普通用户号码
if(commonNumber!=null){
long starttime = System.currentTimeMillis();
int costTime = timeCount.MaxServiceTime-timeCount.MinServiceTime;
long servicetime =new Random().nextInt(costTime)+1;
try {
Thread.sleep(servicetime);//服务
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
long time = System.currentTimeMillis()-starttime;
System.out.println(windowName+"为第"+commonNumber+"个"+cust+"客户进行服务耗时："+time+"秒");
}
else{
System.out.println("没有取到号");
}
break;
case VIP:
int VIPNumber = NumberMachine.getIntance().getVipManager().fetchServiceNumber();//拿到VIP用户号码
break;
case EXPRESS:
int ExpressNumber = NumberMachine.getIntance().getExcepressManager().fetchServiceNumber();//拿到快速用户号码
}
}
}
});
}
}

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public class timeCount {
public static int MaxServiceTime=10000;//设置最大时间
public static int MinServiceTime=1000;//设置最小时间
}

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long servicetime =new Random().nextInt(costTime)+1+timeCount.MinServiceTime;

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