生产者与消费者-1：1-基于list

2018-09-01 05:41:10来源：博客园阅读 ()

一个生产者/一个消费者：

 1 /**
 2  *    生产者
 3  */
 4 public class P {
 5     private MyStack stack;
 6     
 7     public P(MyStack stack) {
 8         this.stack = stack;
 9     }
10     
11     public void pushService() {
12         stack.push();
13     }
14 }

 1 /**
 2  *    消费者
 3  */
 4 public class C {
 5     private MyStack stack;
 6     
 7     public C(MyStack stack) {
 8         this.stack = stack;
 9     }
10     
11     public void popService() {
12         System.out.println("pop = " + stack.pop());
13     }
14 }

 1 /**
 2  *    生产者线程
 3  */
 4 public class P_Thread extends Thread {
 5     private P p;
 6     
 7     public P_Thread(P p) {
 8         this.p = p;
 9     }
10     
11     @Override
12     public void run() {
13         while (true) {
14             p.pushService();
15         }
16     }
17 }

 1 /**
 2  *    消费者线程
 3  */
 4 public class C_Thread extends Thread {
 5     private C c;
 6     
 7     public C_Thread(C c) {
 8         this.c = c;
 9     }
10     
11     @Override
12     public void run() {
13         while (true) {
14             c.popService();
15         }
16     }
17 }

 1 /**
 2  *    模拟栈List
 3  */
 4 public class MyStack {
 5     private List<Object> list = new ArrayList<>();
 6     
 7     //压栈
 8     public synchronized void push() {
 9         try {
10             while(list.size() == 1) {
11                 this.wait();
12             }
13             list.add(""+Math.random());
14             this.notify();
15             System.out.println("push:" + list.size());
16         } catch (InterruptedException e) {
17             e.printStackTrace();
18         }
19     }
20     
21     //弹栈
22     public synchronized String pop() {
23         String value = "";
24         try {
25             while(list.size() == 0) {
26                 this.wait();
27             }
28             value = ""+list.get(0);
29             list.remove(0);
30             this.notify();
31             System.out.println("pop:" + list.size());
32         } catch (InterruptedException e) {
33             e.printStackTrace();
34         }
35         return value;
36     }
37 }

 1 /**
 2  *    测试类
 3  */
 4 public class Run {
 5 
 6     public static void main(String[] args) {
 7         MyStack stack = new MyStack();
 8         //创建生产和消费者
 9         P p = new P(stack);
10         C c = new C(stack);
11         
12         //创建生产和消费者线程
13         P_Thread pThread = new P_Thread(p);
14         C_Thread cThread = new C_Thread(c);
15         
16         //启动
17         pThread.start();
18         cThread.start();
19     }
20 }