package thread;

import java.util.Random;

/**
 * Created by Administrator on 2017年10月19日 0019.
 */
public class Prictice2
{
 public static void main(String[] args)
 {
 Car car1 = new Car("奥迪Q7");
 Car car2 = new Car("迈巴赫");
 Car car3 = new Car("劳斯莱斯幻影");
 Car car4 = new Car("路虎揽胜");
 Car car5 = new Car("宾利飞驰");

 ParkLocation p1 = new ParkLocation("一号库");
 ParkLocation p2 = new ParkLocation("二号库");
 ParkLocation p3 = new ParkLocation("三号库");

 Park p = new Park();
 p.position[0] = p1;
 p.position[1] = p2;
 p.position[2] = p3;
 SimulateThread s1 = new SimulateThread(car1, p);
 SimulateThread s2 = new SimulateThread(car2, p);
 SimulateThread s3 = new SimulateThread(car3, p);
 SimulateThread s4 = new SimulateThread(car4, p);
 SimulateThread s5 = new SimulateThread(car5, p);
 s1.start();
 s2.start();
 s3.start();
 s4.start();
 s5.start();

 }

 static class Park
 {
 public ParkLocation[] position = new ParkLocation[3];

 public void out()
 {
 for (int i = 0; i < position.length; i++)
 {
 position[i].out();
 }
 }

 public void in(Car car, int posi)
 {
 position[posi].in(car);
 }
 }

 static class ParkLocation
 {
 public String name;
 public boolean isFull;
 public Car car;

 public ParkLocation(String name)
 {
 this.name = name;
 }

 public synchronized void in(Car c)
 {
 if(isFull)
 {
 System.out.println(c.carNum + "试图停车在"+name+",但车位已有车");
 }else
 {
 car = c;
 isFull = true;
 System.out.println(c.carNum + "在"+name+"停车入库");
 }
 }

 public synchronized void out()
 {
 if(isFull)
 {
 System.out.println(car.carNum + "在"+name+"出车");
 isFull = false;
 car = null;
 }else
 {
 System.out.println(name+"没有车辆需要出车");
 }
 }
 }

 static class Car
 {
 public String carNum;

 public Car(String carNum)
 {
 this.carNum = carNum;
 }
 }

 static class SimulateThread extends Thread
 {
 Random rd = new Random();

 Car car;
 Park park;
 public SimulateThread(Car car, Park park)
 {
 this.car = car;
 this.park = park;
 }

 @Override
 public void run()
 {
 while(true)
 {
 boolean outOrIn = rd.nextBoolean();
 int sleepTime = rd.nextInt(4000)+1000;
 int stopPosi = rd.nextInt(3);
 if(outOrIn)
 {
 park.out();
 }else
 {
 park.in(car, stopPosi);
 }
 try{
 Thread.sleep(sleepTime);
 }catch (Exception e){}
 }
 }
 }
}