经典同步模型-生产者消费者java代码实现-优快云博客

本文探讨了线程同步技术，并通过生产者消费者模式实现了一个简单的资源管理实例，详细介绍了同步方法如wait、notify和synchronized关键字的使用。

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package cn.smallbug.thread;

/**
 * 资源定义
 * 
 * @timestamp Feb 13, 2016 11:55:10 PM
 * @author smallbug
 */
class Resource {
	private String name;
	private int age = 0;
	private boolean flag = false;

	public synchronized void setShow(String name) {
		while (flag)
			try {
				this.wait();
			} catch (InterruptedException e) {
			}
		this.name = name + age++;
		System.out.println("~~~~~~" + Thread.currentThread().getName() + "~~生产者~~~~" + this.name);
		flag = true;
		this.notifyAll();
	}

	/**
	 * 生产者
	 * 
	 * @timestamp Feb 13, 2016 11:55:24 PM
	 */
	public synchronized void getShow() {
		while (!flag)
			try {
				this.wait();
			} catch (InterruptedException e) {
			}
		System.out.println("~~~消费者~~~" + Thread.currentThread().getName() + "~~~~~~" + this.name);
		flag = false;
		this.notifyAll();
	}
}

/**
 * 生产者
 * 
 * @timestamp Feb 13, 2016 11:55:30 PM
 * @author smallbug
 */
class Production implements Runnable {
	private Resource r;

	Production(Resource r) {
		this.r = r;
	}

	@Override
	public void run() {

		while (true) {
			r.setShow("小虫");
		}
	}

}

/**
 * 消费者
 * 
 * @timestamp Feb 14, 2016 12:17:29 AM
 * @author smallbug
 */
class Consumer implements Runnable {
	private Resource r;

	Consumer(Resource r) {
		this.r = r;
	}

	@Override
	public void run() {
		while (true) {
			r.getShow();
		}

	}

}

public class WaitAwake {
	public static void main(String[] args) {
		Resource re = new Resource();

		Production p = new Production(re);
		Consumer c = new Consumer(re);

		Thread t1 = new Thread(p);
		Thread t2 = new Thread(c);
		t1.start();
		t2.start();
	}
}