Example #1
0
        public override ICacheLock Lock()
        {
            var key        = _mamcachedStrategy.GetFinalKey(_resourceName);
            var lockResult = RetryLock(key, _retryCount, _retryDelay, () =>
            {
                try
                {
                    var ttl = base.GetTotalTtl(_retryCount, _retryDelay);
                    if (_mamcachedStrategy.Cache.Store(StoreMode.Add, key, new object(), TimeSpan.FromMilliseconds(ttl)))
                    {
                        base.LockSuccessful = true;
                        return(true);//取得锁
                    }
                    else
                    {
                        base.LockSuccessful = false;
                        return(false);//已被别人锁住,没有取得锁
                    }

                    //if (_mamcachedStrategy._cache.Get(key) != null)
                    //{
                    //    return false;//已被别人锁住,没有取得锁
                    //}
                    //else
                    //{
                    //    _mamcachedStrategy._cache.Store(StoreMode.set, key, new object(), new TimeSpan(0, 0, 10));//创建锁
                    //    return true;//取得锁
                    //}
                }
                catch (Exception ex)
                {
                    SenparcTrace.Log("Memcached同步锁发生异常:" + ex.Message);
                    return(false);
                }
            }
                                       );

            return(lockResult);
        }
        public override bool Lock(string resourceName, int retryCount, TimeSpan retryDelay)
        {
            var key         = _mamcachedStrategy.GetFinalKey(resourceName);
            var successfull = RetryLock(key, retryCount /*暂时不限制*/, retryDelay, () =>
            {
                try
                {
                    if (_mamcachedStrategy.Cache.Store(StoreMode.Add, key, new object(), new TimeSpan(0, 0, 10)))
                    {
                        return(true);//取得锁
                    }
                    else
                    {
                        return(false);//已被别人锁住,没有取得锁
                    }

                    //if (_mamcachedStrategy._cache.Get(key) != null)
                    //{
                    //    return false;//已被别人锁住,没有取得锁
                    //}
                    //else
                    //{
                    //    _mamcachedStrategy._cache.Store(StoreMode.set, key, new object(), new TimeSpan(0, 0, 10));//创建锁
                    //    return true;//取得锁
                    //}
                }
                catch (Exception ex)
                {
                    SenparcTrace.Log("Memcached同步锁发生异常:" + ex.Message);
                    return(false);
                }
            }
                                        );

            return(successfull);
        }