Redis加锁与解锁

Redis加锁

customerM = BaseMemCached.setMLock(customerId);

　　

/**
 * 个人账户表加锁
 **/
public static CustomerM setMLock(Integer userId){
　　CustomerM customerM = (CustomerM)setLock(USER_M_USERID+userId, CustomerM.class);
　　customerM.setAddPiggy(0);
　　customerM.setAddPayoff(0);
　　customerM.setAddAmountBase(0);
　　customerM.setAddAmountCft(0);
　　return customerM;
}

　　

public static  Object setLock(String key,Class classes){
    logger.info("加锁"+key+_LOCK);
    long result = JedisPoolClient.getInstance().setnx(key+_LOCK,System.currentTimeMillis());
　　　　try {
       long time = System.currentTimeMillis();
    　　while (result != 1) {
        　　Thread.sleep(10);
         　time = System.currentTimeMillis();
         　result = JedisPoolClient.getInstance().setnx(key+_LOCK,time);
        }
           logger.info("加锁\t"+key+_LOCK+"\t完成");
           JedisPoolClient.getInstance().set(key+_LOCK,time,TIME_OUT);
           return JedisPoolClient.getInstance().get(key,classes);
       }catch (Exception e){
           e.printStackTrace();
       }
       return null;
}

　　

public long setnx(String key,Object obj){
        Jedis jedis = jedisPool.getResource();
        try {
            long l = jedis.setnx(key,StringUtil.bean2json(obj));
            return l;
        }catch(JedisConnectionException  e){
            jedisPool.returnBrokenResource(jedis);
            jedis=null;
            logger.error("redis异常："+e.getMessage());
            e.printStackTrace();
        }finally{
            jedisPool.returnResource(jedis);
        }
        return -1;
    }

　　

public boolean  set(String key,Object obj,int seconds){
        Jedis jedis = jedisPool.getResource();
        try {
            jedis.setex(key,seconds,StringUtil.bean2json(obj));
            return true;
        }catch(JedisConnectionException  e){
            jedisPool.returnBrokenResource(jedis);
            jedis=null;
            logger.error("redis异常：" + e.getMessage());
            e.printStackTrace();
        }catch(Exception e){
            logger.error("Json封装失败:" + e.getStackTrace());
        }finally{
            jedisPool.returnResource(jedis);
        }
        return false;
    }

Redis解锁

BaseMemCached.updateAndUnlock(customerM);

　　

/**
     * 个人账户修改并解锁
     * */
    public static void updateAndUnlock(CustomerM customerM){
        logger.info("解锁"+USER_M_USERID+customerM.getCustomerId() + _LOCK);
        setMem(USER_M_USERID+customerM.getCustomerId(),customerM);
        delete(USER_M_USERID+customerM.getCustomerId()+_LOCK);
    }

　　

protected static boolean setMem(String key,Object obj){
        return JedisPoolClient.getInstance().set(key,obj);
    }

　　

protected static  void delete(String key){
        JedisPoolClient.getInstance().delete(key);
    }

　　

public boolean set(String key,Object obj){
        Jedis jedis = jedisPool.getResource();
        try {
            logger.info(key+":"+StringUtil.bean2json(obj));
            jedis.set(key, StringUtil.bean2json(obj));
            return true;
        }catch(JedisConnectionException  e){
            jedisPool.returnBrokenResource(jedis);
            jedis=null;
            logger.error("redis异常：" + e.getMessage());
            e.printStackTrace();
        }finally{
            jedisPool.returnResource(jedis);
        }
        return false;
    }

　　

public void delete(String key){
        Jedis jedis = jedisPool.getResource();
        try {
            jedis.del(key);
        }catch(JedisConnectionException  e){
            jedisPool.returnBrokenResource(jedis);
            jedis=null;
            logger.error("redis异常："+e.getMessage());
            e.printStackTrace();
        }finally{
            jedisPool.returnResource(jedis);
        }
    }