public async Task <bool> TryAcquireAsync()
{
try
{
var lockAcquired = await _redisClient.ExecuteAsync(
db => db.LockTakeAsync(_lockKey, _lockGuid.ToString(), _leaseDuration)
);
if (lockAcquired && _extensionInterval.HasValue)
{
_extendLockTimer = new Timer(
ExtendLock, null, _extensionInterval.Value.Milliseconds,
_extensionInterval.Value.Milliseconds);
}
return(lockAcquired);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
return(false);
}
}
/// <summary>
/// 得到指定Set中的项目
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="redisClient">Redis客户端实例</param>
/// <param name="setName">Set键值</param>
/// <returns>此Set中的所有项目，以数组的形式返回</returns>
public static T[] GetSet <T>(this IRedisClient redisClient, string key)
{
List <T> items = new List <T>();
var t = redisClient.ExecuteAsync("smembers", key);
t.Wait();
if (t.Result.AsMultiBulk().Count() > 0)
{
foreach (var item in t.Result.AsMultiBulk())
{
items.Add(item.As <T>());
}
}
return(items.ToArray <T>());
}
/// <summary>
/// 得到指定Set中的项目(异步)
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="redisClient">Redis客户端实例</param>
/// <param name="setName">Set键值</param>
/// <returns>此Set中的所有项目，以数组的形式返回</returns>
public static async Task <T[]> GetSetAsync <T>(this IRedisClient redisClient, string key)
{
var task = redisClient.ExecuteAsync("smembers", key);
var result = await task.ContinueWith <T[]>(res =>
{
List <T> items = new List <T>();
if (res.Result.AsMultiBulk().Count() > 0)
{
foreach (var item in res.Result.AsMultiBulk())
{
items.Add(item.As <T>());
}
}
return(items.ToArray <T>());
});
return(result);
}
