生产者消费者模式

package com.java.concurrent;


/**
 * 生产者消费者模式
 * @author fliay
 *
 */
public class TestProductorAndConsumer {

	public static void main(String[] args) {
		Clerk c = new Clerk();
		Productor pro = new Productor(c);
		Consumer con = new Consumer(c);
		new Thread(pro,"生产者A").start();
		new Thread(con,"消费者B").start();
		new Thread(pro,"生产者C").start();
		new Thread(con,"消费者D").start();
	}
	
	
	

}

class  Clerk{
	//初始化产品
	private int product = 0;
	
	//进货
	public synchronized void get(){
		if(product>=10){
			System.out.println("产品已满！");
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
			this.notifyAll();
			System.out.println(Thread.currentThread().getName()+":"+ ++product);
		
		
	}
	
	//卖货
	public synchronized void sale(){
		if(product<=0){
			System.out.println("补货中！");
			try {
				this.wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
			this.notifyAll();
			System.out.println(Thread.currentThread().getName()+":"+ --product);
	}
}

class Productor implements Runnable{
	
	private Clerk clerk;
	
	
	
	public Productor(Clerk clerk) {
		this.clerk = clerk;
	}



	public void run() {
		for(int i=0;i<20;i++){
			clerk.get();
		}
	}
}


class Consumer implements Runnable{
	
	private Clerk clerk;
	
	
	
	public Consumer(Clerk clerk) {
		this.clerk = clerk;
	}



	public void run() {
		for(int i=0;i<20;i++){
			clerk.sale();
		}
	}
}