import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;

/**
 *
 * @author hack's home
 * @date 2020/10/8
 */
public class ProducerConsumer {


    private class Product {
        private int id;

        public Product(int id) {
            this.id = id;
        }

        @Override
        public String toString() {
            return "Product{" +
                    "id=" + id +
                    '}';
        }
    }

    private class Storage {
        BlockingQueue<Product> productBlockingQueue = new LinkedBlockingQueue<>();

        public void push(Product product) {
            try {
                productBlockingQueue.put(product);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }

        public Product pop() {
            try {
                return productBlockingQueue.take();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            return null;
        }
    }

    class Consumer implements Runnable {

        private String name;
        private Storage storage;

        public Consumer(String name, Storage storage) {
            this.name = name;
            this.storage = storage;
        }

        @Override
        public void run() {
            while (true) {
                System.out.println(name + "准备消费产品：");
                Product product = storage.pop();
                System.out.println(name + "已消费" + product.toString());
                System.out.println("=======已消费========");
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    class Producer implements Runnable {
        private String name;
        private Storage s = null;

        public Producer(String name, Storage s) {
            this.name = name;
            this.s = s;
        }

        @Override
        public void run() {
            try {
                while (true) {
                    Product product = new Product((int) (Math.random() * 10000)); // 产生0~9999随机整数
                    System.out.println(name + "准备生产(" + product.toString() + ").");
                    s.push(product);
                    System.out.println(name + "已生产(" + product.toString() + ").");
                    System.out.println("=======已生产========");
                    Thread.sleep(500);
                }
            } catch (InterruptedException e1) {
                e1.printStackTrace();
            }

        }
    }

    public static void main(String[] args) {
        ProducerConsumer pc = new ProducerConsumer();

        Storage s = pc.new Storage();

        ExecutorService service = Executors.newCachedThreadPool();
        Producer p = pc.new Producer("张三", s);
        Producer p2 = pc.new Producer("李四", s);
        Consumer c = pc.new Consumer("王五", s);
        Consumer c2 = pc.new Consumer("老刘", s);
        Consumer c3 = pc.new Consumer("老林", s);
        service.submit(p);
        service.submit(p2);
        service.submit(c);
        service.submit(c2);
        service.submit(c3);
    }
}