/// <summary>
/// 获取一个锁(需要自己释放)
/// </summary>
/// <param name="key">锁的键</param>
/// <param name="value">当前占用值</param>
/// <param name="span">耗时时间</param>
/// <returns>成功返回true</returns>
public bool LockTake(string key, string value, TimeSpan span)
{
EnsureUtil.NotNullAndNotEmpty(key, "Lockkey");
EnsureUtil.NotNullAndNotEmpty(value, "Lockvalue");
var obj = _LockCache.GetValue(key, () => { return(new object()); });
if (Monitor.TryEnter(obj, span))
{
_LockUserCache[key] = value;
return(true);
}
return(false);
}
/// <summary>
/// 释放一个锁
/// </summary>
/// <param name="key">锁的键</param>
/// <param name="value">当前占用值</param>
/// <returns>成功返回true</returns>
public bool LockRelease(string key, string value)
{
EnsureUtil.NotNullAndNotEmpty(key, "Lockkey");
EnsureUtil.NotNullAndNotEmpty(value, "Lockvalue");
_LockCache.TryGetValue(key, out object obj);
if (obj != null)
{
if (_LockUserCache[key] == value)
{
Monitor.Exit(obj);
return(true);
}
return(false);
}
return(true);
}