java新版中喚醒指定線層對象

標籤：

import java.util.concurrent.locks.*;    class Do9 {    public static void main(String[] args)     {        Resource r=new Resource();        Shengchan sc=new Shengchan(r);        Xiaoshou xs=new Xiaoshou(r);        Thread th1=new Thread(sc);        Thread th2=new Thread(sc);        Thread th3=new Thread(xs);        Thread th4=new Thread(xs);        th1.start();        th2.start();        th3.start();        th4.start();    }}class Resource{    private String name;    private int count=1;    private boolean flag=false;    //建立一個鎖對像    Lock lock=new ReentrantLock();    //通過已經有的鎖擷取該鎖上的監視器對象    Condition shengchan_con=lock.newCondition();//建立生產者對象    Condition xiaofei_con=lock.newCondition();//建立消費者對象    public  void set(String name)    {        lock.lock();        try        {            while(flag)                try{shengchan_con.await();}catch(InterruptedException e){}        this.name=name+count;        count++;        System.out.println(Thread.currentThread().getName()+"..生產者.."+this.name);        flag=true;        xiaofei_con.signal();        }        finally{        lock.unlock();        }                        }    public synchronized void out()    {        lock.lock();        try        {            while(!flag)            try{xiaofei_con.await();}catch(InterruptedException e){}    System.out.println(Thread.currentThread().getName()+"..消費者........"+this.name);    flag=false;    shengchan_con.signal();        }        finally{        lock.unlock();        }            }}class Shengchan implements Runnable{    private Resource r;    Shengchan(Resource r)    {    this.r=r;    }    public void run()    {      while(true)        {          try{Thread.sleep(150);}catch(InterruptedException e){}        r.set("烤鴨");        }    }}class Xiaoshou implements Runnable{     private Resource r;     Xiaoshou(Resource r)    {     this.r=r;     }    public void run()    {    while(true)        {        try{Thread.sleep(150);}catch(InterruptedException e){}        r.out();        }    }}

 

java新版中喚醒指定線層對象