namespace WIDESEAWCS_Tasks
{
    public static class MemoryLockManager
    {
        private static Dictionary<string, SemaphoreSlim> _locks = new Dictionary<string, SemaphoreSlim>();

        /// <summary>
        /// 开启锁
        /// </summary>
        /// <param name="jobName"></param>
        /// <returns></returns>
        public static bool TryAcquireLock(string jobName)
        {
            if (!_locks.ContainsKey(jobName))
            {
                _locks[jobName] = new SemaphoreSlim(1, 1);
            }
            try
            {
                return _locks[jobName].Wait(0);
            }
            catch (Exception)
            {
                return false;
            }
        }

        /// <summary>
        /// 释放锁
        /// </summary>
        /// <param name="jobName"></param>
        public static void ReleaseLock(string jobName)
        {
            if (_locks.ContainsKey(jobName))
            {
                _locks[jobName].Release();
            }
        }
    }
}