package com.itheima;
/*5、 编写三各类Ticket、SealWindow、TicketSealCenter分别代表票信息、
售票窗口、售票中心。售票中心分配一定数量的票，由若干个售票窗口进行出售，
利用你所学的线程知识来模拟此售票过程。
*/
public class Test5 {
public static void main(String[]args){
Ticket tt=new Ticket();
TicketSealCenter tc=new TicketSealCenter(tt);
SealWindow w1=new SealWindow(tt);
SealWindow w2=new SealWindow(tt);
SealWindow w3=new SealWindow(tt);
SealWindow w4=new SealWindow(tt);
new Thread(tc).start();
new Thread(w1).start();
new Thread(w2).start();
new Thread(w3).start();
new Thread(w4).start();
}
}
//创建票的类，每张给一个ID
class Piao{
int id;
Piao(int id) {
this.id = id;
}
public String toString() {
return "piao: " + id;
}
}
class Ticket{//创建售票信息
int index=0;
Piao[] arrp=new Piao[100];
public synchronized void set(Piao p){//提供给票的方法，用锁解决线程安全问题
while(index==arrp.length){
try {
this.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
this.notify();
arrp[index]=p;
index++;
}
public synchronized Piao get(){//对外提供取票的方法，解决线程同步问题
while(index==0){
try {
this.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("票已售欣，请稍后在试。。。。");
}
this.notifyAll();
index--;
return arrp[index];
}
}
class SealWindow implements Runnable{//售票窗口调用取票的方法
Ticket tc=null;
SealWindow(Ticket tc){
this.tc=tc;
}
public void run() {
for(int i=0;i<20;i++ ){
Piao p=tc.get();
System.out.println("窗口剩余票："+p);
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
class TicketSealCenter implements Runnable{//售票中心发布一定数量的票
Ticket tc=null;
TicketSealCenter(Ticket tc){
this.tc=tc;
}
public void run() {
for(int i=0;i<100;i++){
Piao p=new Piao(i);
tc.set(p);
System.out.println("售票中心已发布票："+p);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
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