Java BlockingQueue生产者消费者实例

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产品类：

/** * 产品 * * @author jiazhipeng * @version 1.0 * @date 2016-11-29 */public class Product {    private int id;    public Product(int id){        this.id = id;    }    public String toString(){        return "产品" + id;    }}

仓库类：

/** * 仓库 * * @author jiazhipeng * @version 1.0 * @date 2016-11-29 */public class Storage {    private BlockingQueue<Product> queue = new ArrayBlockingQueue<>(10);    public synchronized void put(Product p) throws InterruptedException{        queue.put(p);    }    public Product take() throws InterruptedException{        return queue.take();    }}

生产者类：

/** * 生产者 * * @author jiazhipeng * @version 1.0 * @date 2016-11-29 */public class Producter implements Runnable{    // 自己的信号量    private Semaphore semo1;    // 别人的信号量    private Semaphore semo2;    private String name;    private Storage storage;    private Test test;    public Producter(Storage storage, Test test, String name, Semaphore semo1, Semaphore semo2){        this.storage = storage;        this.test = test;        this.name = name;        this.semo1 = semo1;        this.semo2 = semo2;    }    @Override    public void run() {        for(; ; ){            try {                semo1.acquire();                int i = test.getInt();                Product p = new Product(i);                storage.put(p);                System.out.println(name + "成功生产:" + p.toString());                semo2.release();            } catch (InterruptedException e) {                e.printStackTrace();                break;            }        }    }}

消费者类：

/** * 消费者 * * @author jiazhipeng * @version 1.0 * @date 2016-11-29 */public class Consumer implements Runnable{    private String name;    private Storage storage;    public Consumer(Storage storage, String name){        this.storage = storage;        this.name = name;    }    @Override    public void run() {        for(; ; ){            try {                Product p = storage.take();                System.out.println(name + "成功消费:" + p.toString());            } catch (Exception e) {                e.printStackTrace();                break;            }        }    }}

测试类：

/** * 测试 * * @author jiazhipeng * @version 1.0 * @date 2016-11-29 */public class Test {    private int i = 1;    public static void main(String[] args) {        Test test = new Test();        Storage storage = new Storage();        Semaphore semo1 = new Semaphore(1);        Semaphore semo2 = new Semaphore(0);        Producter pr1 = new Producter(storage, test, "A1", semo1, semo2);        Producter pr2 = new Producter(storage, test, "A2", semo2, semo1);        Consumer cr1 = new Consumer(storage, "B1");        Consumer cr2 = new Consumer(storage, "B2");        ExecutorService service = Executors.newCachedThreadPool();        service.submit(pr1);        service.submit(pr2);        service.submit(cr1);        service.submit(cr2);    }    public synchronized int getInt(){        return i++;    }}

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