生产者消费者 多线程算法——用java编写的一个简单的小程序

不用多说，直接看代码O(∩_∩)O

package javaStudy;

public class ConsumersAndProdusers {

	/**
	 * 测试方法
	 * @param args
	 */
	public static void main(String[] args) {
		//建好数据仓库，并实例化
		Storage storage = new Storage();
		//建立消费者线程
		Thread consumerThread = new Thread(new Consumers(storage));
		consumerThread.setName("@消费线程@");
		
		//建立生产者线程
		Thread producerThread = new Thread(new Producers(storage));
		producerThread.setName("@生产线程@");
		
		//启动生产线程 和消费线程
		consumerThread.start();
		producerThread.start();
	}

}
/**
 * 消费者类
 * @author
 *
 */
class Consumers implements Runnable{
	private Storage storage;
	
	public Consumers(Storage storage){
		this.storage = storage;
	}
	
	public void run(){
		while(true){
			storage.pop();
		}
	}
}

/**
 * 生产者类
 * @author AB049399
 *
 */
class Producers implements Runnable{
    private Storage storage;
	
	public Producers(Storage storage){
		this.storage = storage;
	}
	public void run() {
		Product product = new Product("@@产品id","产品名","产品其他信息");
		
		while(true){
			storage.push(product);
		}
	}
	
}

/**
 * 产品类
 * @author AB049399
 *
 */
class Product{
	String id;
	String name;
	String others;
	
	public Product(String id,String name,String others){
		this.id = id;
		this.name = name;
		this.others = others;
	}
	
	public String toString(){
		return "( 产品id="+id+"，产品名称="+name+"，其他属性="+others+" )";
	}
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getOthers() {
		return others;
	}
	public void setOthers(String others) {
		this.others = others;
	}
}

/**
 * 数据仓库类（做成栈的模式）
 * @author AB049399
 *
 */
class Storage{
	private final int STORAGE_SUM=10;//假设容量是10个
	private Product[] products = new Product[STORAGE_SUM]; //产品仓库
	private int top = 0;//当前仓库最上层一个
	
	//生产产品
	public synchronized void push(Product product){
		while(top == STORAGE_SUM){//仓库容量已满，不能再生产，等待
			try {
				System.out.println("当前仓库已满，线程"+Thread.currentThread().getName()+"等待中！");
				wait();
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
		
		//把产品放入仓库
		products[top++] = product;
		System.out.println(Thread.currentThread().getName()+"生产了新产品,产品信息："+product.toString());
		notifyAll();//唤醒所有等待线程
		
	}
	
	
	//消费产品
	public synchronized Product pop(){
		while(top == 0){//仓库里的产品为空，等待
			try {
				System.out.println("当前仓库没有产品，线程"+Thread.currentThread().getName()+"等待中！");
				wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		
		//消费产品
//		Product product = products[--top];
		Product product = new Product(products[--top].getId(),products[top].getName(),products[top].getOthers());
		products[top] = null;
		System.out.println(Thread.currentThread().getName()+"消费了产品,产品信息："+product.toString());
		notifyAll();//唤醒所有等待线程
		return product;
	}
	
}