using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Concurrent;

namespace IStation
{
    /// <summary>
    /// 
    /// </summary>
    internal sealed partial class SharedMemoryCache
    {
        /// <summary>
        /// 私有构造函数
        /// </summary>
        private SharedMemoryCache()
        {
            _memoryCache = new Microsoft.Extensions.Caching.Memory.MemoryCache(Options.Create(new MemoryCacheOptions()));
            _cacheKeysBeingHandled = new ConcurrentDictionary<string, CacheKeyBeingHandled>();
        }

        /// <summary>
        /// 获取缓存实例
        /// </summary>
        public static SharedMemoryCache Instance => _lazy.Value;

    }
}