java基础知识回顾之java Thread类学习（把）--java.util.concurrent.locks（JDK1.5）与synchronized异同讲解

class ResourceNew{
    private String name;
    private boolean flag = false;
    private int count=1;
    
    private final Lock lock = new ReentrantLock();//将同步synchronized显示的替换成Lock
    private Condition condition_cusumer = lock.newCondition();//同一个锁上可以绑定多个相关的Condition
    private Condition conditon_producer = lock.newCondition();
    
    public  void set(String name) throws InterruptedException{
        try{
            lock.lock();//显示的
            while(flag){
                conditon_producer.await();//生产者等待t1,t2
            }
            this.name = name+"---"+count++;
            System.out.println(Thread.currentThread().getName()+"...生产者..."+this.name);
            this.flag = true;
//condition.signalAll();//唤醒本方和唤醒对方
            condition_cusumer.signal();//唤醒某个消费者
        }finally{
            lock.unlock();//每个线程进入锁必须要执行的操作，最终要释放锁
        }
    }
    
    public  void out() throws InterruptedException{
        try{
            lock.lock();
            while(!flag){
                condition_cusumer.await();//消费者等待
            }
            System.out.println(Thread.currentThread().getName()+".消费者."+this.name);
            this.flag = false;
            conditon_producer.signalAll();//唤醒生产者
        }finally{
            lock.unlock();
        }
    }
    
}

/**
 * 
 * @author Administrator
 * 生产者负责生产，操作同一个资源，但是是生产动作
 *
 */
class producerNew implements Runnable{
    private ResourceNew res;
    public producerNew(ResourceNew res){
        this.res = res;
    }
    public void run() {
        while(true){
            try {
                res.set("..商品..");
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}

/**
 * 
 * @author Administrator
 * 消费者负责消费生产者提供的产品，操作的同一个资源，但是是消费动作
 *
 */
class CusumerNew implements Runnable{
    private ResourceNew res;
    public CusumerNew(ResourceNew res){
        this.res = res;
    }
    public void run() {
        while(true){
            try {
                res.out();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}

/**
 * 
 * @author Administrator
 * 消费者负责消费生产者提供的产品，操作的同一个资源，但是是消费动作
 *
 */
class CusumerNew implements Runnable{
    private ResourceNew res;
    public CusumerNew(ResourceNew res){
        this.res = res;
    }
    public void run() {
        while(true){
            try {
                res.out();
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}