import java.util.concurrent.BlockingQueue;

import java.util.concurrent.LinkedBlockingQueue;

/**

* Created with IntelliJ IDEA.

* User: csx

* Date: 4/24/14

* Time: 9:56 AM

* To change this template use File | Settings | File Templates.

*

* 生產者與消費者模型中，要保證以下幾點：

* 1 同一時間內只能有一個生產者生產

* 2 同一時間內只能有一個消費者消費

* 3 生產者生產的同時消費者不能消費

* 4 消費者消費的同時生產者不能生產

* 5 共享空間空時消費者不能繼續消費

* 6 共享空間滿時生產者不能繼續生產

*

* 使用并發庫中的BlockingQueue(阻塞隊列) 實現生產者與消費者

*/

public class WaitNoticeDemo {

public static void main(String[] args) {

//固定容器大小為10

BlockingQueue foods = new LinkedBlockingQueue(10);

Thread produce = new Thread(new Produce(foods));

Thread consume = new Thread(new Consume(foods));

produce.start();

consume.start();

}

}

/**

* 生產者

*/

class Produce implements Runnable{

private BlockingQueue foods;

Produce(BlockingQueue foods) {

this.foods = foods;

}

@Override

public void run() {

int i = 0;

while (true){

try {

//當生產的食品數量裝滿了容器，那么在while里面該食品容器(阻塞隊列)會自動阻塞 ?wait狀態 等待消費

foods.put(new Food("食品"+i));

i++;

} catch (InterruptedException e) {

e.printStackTrace(); ?//To change body of catch statement use File | Settings | File Templates.

}

}

}

}

/**

* 消費者

*/

class Consume implements Runnable {

private BlockingQueue foods;

Consume(BlockingQueue foods){

this.foods = foods;

}

@Override

public void run() {

try {

Thread.sleep(1000); ?//用于測試當生產者生產滿10個食品后是否進入等待狀態

while (true){

//當容器里面的食品數量為空時，那么在while里面該食品容器(阻塞隊列)會自動阻塞 ?wait狀態 等待生產

Food food = foods.take();

System.out.println("消費"+food.getName());

}

} catch (InterruptedException e) {

e.printStackTrace(); ?//To change body of catch statement use File | Settings | File Templates.

}

}

}

/**

* 食品

*/

class Food{

private String name;

String getName() {

return name;

}

Food(String name){

this.name = name;

System.out.println("生產"+name);

}

}

如有不足 還請大家留言糾正修改。