using System;
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using System.Collections.Generic;
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using Microsoft.Extensions.Caching.Memory;
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namespace IStation
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{
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/// <summary>
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/// 内存缓存辅助类
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/// </summary>
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public class MemoryCacheHelper
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{
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//缓存对象
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private static SharedMemoryCache MemoryCache
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{
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get
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{
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return SharedMemoryCache.Instance;
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}
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}
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/// <summary>
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/// 设置缓存
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/// </summary>
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/// <param name="key"></param>
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/// <param name="obj"></param>
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/// <param name="second">多少秒后移除缓存项</param>
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public static void Set(string key, object obj, int? seconds = 300)
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{
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MemoryCache.Set(key, obj, seconds);
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}
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/// <summary>
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/// 获取缓存
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <returns></returns>
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public static T Get<T>(string key)
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{
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return MemoryCache.Get<T>(key);
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}
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/// <summary>
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/// 获取和设置
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="key"></param>
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/// <param name="func"></param>
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/// <returns></returns>
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public static T GetSet<T>(string key, Func<T> func, int? seconds)
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{
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return MemoryCache.GetSet<T>(key, func, seconds);
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}
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/// <summary>
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/// 移除缓存
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/// </summary>
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/// <param name="key"></param>
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public static void Remove(string key)
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{
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MemoryCache.Remove(key);
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}
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/// <summary>
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/// 移除符合条件的缓存
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/// </summary>
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/// <param name="keyFunction"></param>
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public static void Remove(Func<string, bool> keyFunction)
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{
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MemoryCache.Remove(keyFunction);
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}
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/// <summary>
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/// 移除符合条件的缓存
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/// </summary>
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/// <param name="keyFunction"></param>
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public static int Remove(IEnumerable<string> keys)
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{
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return MemoryCache.Remove(keys);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="key"></param>
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/// <returns></returns>
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public static int Remove_StartWith(string key)
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{
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return MemoryCache.Remove_StartWith(key);
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}
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}
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}
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