哲学家进餐问题

/**
 * All rights Reserved, Designed By travelsky
 * @Title:  Philosopher.java
 * @Package com.slg.dinner
 * @Description:    TODO(用一句话描述该文件做什么)
 * @author: slg
 * @date:   2017年1月19日 下午2:02:41
 * @version V1.0
 * @Copyright: 2017 travelsky. All rights reserved.
 * 注意：本内容仅限航信内部传阅，禁止外泄以及用于其他的商业目
 */
package com.slg.dinner;

import java.util.Random;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
 * @author slg
 *
 */
public class Philosopher implements Runnable{
    static final int COUNT = 5;
    static Lock[] chopsticks = new Lock[COUNT];
    static {
        for(int i=0;i<COUNT;i++){
            chopsticks[i] = new ReentrantLock();
        }
    }
    private String name;
    private int id;
    public Philosopher(String name,int id){
        this.name = name;
        this.id = id;
    }
    void eat(){
        while(true){
            if(chopsticks[this.id].tryLock()){
                if(chopsticks[(this.id+1)%COUNT].tryLock()){
                    System.out.println(this.name+"is eat");
                    chopsticks[(this.id+1)%COUNT].unlock();
                    chopsticks[this.id].unlock();
                    break;

                }else{
                    try {
                        Thread.sleep(new Random().nextInt(1000));
                    } catch (InterruptedException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }finally{
                        chopsticks[this.id].unlock();
                    }
                }
            }
        }

    }
    /* (non-Javadoc)
     * @see java.lang.Runnable#run()
     */
    @Override
    public void run() {
         eat();
    }
    public static void main(String []args){

        for(int i=0;i<COUNT;i++){
            new Thread(new Philosopher("p"+i,i)).start();
        }
    }
}