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feat(ICacheManager): add TryGetCacheEntry method (#5216)
* doc: 增加到期时间列 * test: 增加 benmark 测试功能 * feat: 增加 TryGetCacheEntry 方法 * doc: 增加过期时间 * test: 更新单元测试 * test: 更新单元测试
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15 files changed

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‎BootstrapBlazor.sln‎

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@@ -74,6 +74,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cert", "cert", "{C075C6C8-B
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scripts\linux\cert\www.blazor.zone.key = scripts\linux\cert\www.blazor.zone.key
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EndProjectSection
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tools", "tools", "{9BAF50BE-141D-4429-93A9-942F373D1F68}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnitTest.Benchmarks", "tools\Benchmarks\UnitTest.Benchmarks.csproj", "{3E6D8D0E-5A36-4CFD-8612-7D64E3FFE7B1}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
@@ -104,6 +108,10 @@ Global
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{D8AEAFE7-10AF-4A5B-BC67-FE740A2CA1DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{D8AEAFE7-10AF-4A5B-BC67-FE740A2CA1DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{D8AEAFE7-10AF-4A5B-BC67-FE740A2CA1DF}.Release|Any CPU.Build.0 = Release|Any CPU
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{3E6D8D0E-5A36-4CFD-8612-7D64E3FFE7B1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{3E6D8D0E-5A36-4CFD-8612-7D64E3FFE7B1}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{3E6D8D0E-5A36-4CFD-8612-7D64E3FFE7B1}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{3E6D8D0E-5A36-4CFD-8612-7D64E3FFE7B1}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
@@ -119,6 +127,7 @@ Global
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{6D73FED6-0086-460B-84FA-1FA78176BF59} = {7C1D79F1-87BC-42C1-BD5A-CDE4044AC1BD}
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{D8AEAFE7-10AF-4A5B-BC67-FE740A2CA1DF} = {7C1D79F1-87BC-42C1-BD5A-CDE4044AC1BD}
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{C075C6C8-B9CB-4AC0-9BDF-B2002B4AB99C} = {EA765165-0542-41C8-93F2-85787FEDEDFF}
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{3E6D8D0E-5A36-4CFD-8612-7D64E3FFE7B1} = {9BAF50BE-141D-4429-93A9-942F373D1F68}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {0DCB0756-34FA-4FD0-AE1D-D3F08B5B3A6B}

‎src/BootstrapBlazor.Server/Components/Pages/CacaheExpiration.razor‎

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@ExpirationTime

‎src/BootstrapBlazor.Server/Components/Pages/CacaheExpiration.razor.cs‎

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the Apache 2.0 License
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// See the LICENSE file in the project root for more information.
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// Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
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using Microsoft.Extensions.Caching.Memory;
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namespace BootstrapBlazor.Server.Components.Pages;
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/// <summary>
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/// CacaheExpiration 组件
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/// </summary>
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public partial class CacaheExpiration
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{
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[Inject, NotNull]
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private ICacheManager? CacheManager { get; set; }
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/// <summary>
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/// 获得/设置 <see cref="TableColumnContext{TItem, TValue}"/> 实例
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/// </summary>
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[Parameter, NotNull]
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public object? Key { get; set; }
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private string? ExpirationTime { get; set; }
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <returns></returns>
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protected override async Task OnParametersSetAsync()
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{
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await base.OnParametersSetAsync();
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await GetCacheEntryExpiration();
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}
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private async Task GetCacheEntryExpiration()
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{
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ExpirationTime = "loading ...";
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await Task.Yield();
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if (CacheManager.TryGetCacheEntry(Key, out ICacheEntry? entry))
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{
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if (entry.Priority == CacheItemPriority.NeverRemove)
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{
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ExpirationTime = "Never Remove";
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}
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else if (entry.SlidingExpiration.HasValue)
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{
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ExpirationTime = $"Sliding: {entry.SlidingExpiration.Value}";
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}
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else if (entry.AbsoluteExpiration.HasValue)
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{
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ExpirationTime = $"Absolute: {entry.AbsoluteExpiration.Value}";
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}
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else if (entry.ExpirationTokens.Count != 0)
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{
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ExpirationTime = $"Token: {entry.ExpirationTokens.Count}";
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}
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}
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}
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}

‎src/BootstrapBlazor.Server/Components/Pages/CacheList.razor‎

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@@ -18,6 +18,11 @@
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@GetValue(v.Row)
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</Template>
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</TableTemplateColumn>
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<TableTemplateColumn Text="@Localizer["CacheListExpiration"]" Width="160">
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<Template Context="v">
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<CacaheExpiration Key="v.Row"></CacaheExpiration>
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</Template>
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</TableTemplateColumn>
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<TableTemplateColumn Text="@Localizer["CacheListAction"]" Width="80">
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<Template Context="v">
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<Button Size="Size.ExtraSmall" Color="Color.Danger" OnClick="() => OnDelete(v.Row)" Icon="fa-solid fa-xmark" Text="@Localizer["CacheListDelete"]"></Button>

‎src/BootstrapBlazor.Server/Components/Pages/CacheList.razor.cs‎

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@@ -49,7 +49,7 @@ private void OnRefresh()
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private void UpdateCacheList()
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{
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_cacheList = CacheManager.Keys.OrderBy(i => i.ToString()).ToList();
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_cacheList = [.. CacheManager.Keys.OrderBy(i => i.ToString())];
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}
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private string GetValue(object key)

‎src/BootstrapBlazor.Server/Locales/en-US.json‎

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"CacheListIntro": "Manage the component library internal cache through the <code>ICacheManager</code> interface method",
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"CacheListKey": "Key",
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"CacheListValue": "Value",
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"CacheListExpiration": "Expiration",
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"CacheListAction": "Action",
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"CacheListRefresh": "Refresh",
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"CacheListDelete": "Delete",

‎src/BootstrapBlazor.Server/Locales/zh-CN.json‎

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"CacheListIntro": "通过 <code>ICacheManager</code> 接口方法管理组件库内部缓存",
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"CacheListKey": "键",
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"CacheListValue": "值",
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"CacheListExpiration": "到期时间",
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"CacheListAction": "操作",
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"CacheListRefresh": "刷新",
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"CacheListDelete": "删除",

‎src/BootstrapBlazor/Services/CacheManager.cs‎

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using System.Reflection;
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#if NET8_0_OR_GREATER
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using System.Runtime.CompilerServices;
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using System.Collections.Frozen;
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#endif
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@@ -172,6 +173,53 @@ public IEnumerable<object> Keys
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return keys;
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}
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}
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private object? _coherentStateInstance = null;
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private MethodInfo? _allValuesMethodInfo = null;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="key"></param>
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/// <param name="entry"></param>
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/// <returns></returns>
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public bool TryGetCacheEntry(object? key, [NotNullWhen(true)] out ICacheEntry? entry)
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{
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entry = null;
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if (key == null)
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{
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return false;
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}
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if (Cache is MemoryCache cache)
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{
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var values = GetAllValues(cache);
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entry = values.Find(e => e.Key == key);
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}
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return entry != null;
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}
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private static object GetCoherentState(MemoryCache cache)
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{
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var fieldInfo = cache.GetType().GetField("_coherentState", BindingFlags.Instance | BindingFlags.NonPublic)!;
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return fieldInfo.GetValue(cache)!;
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}
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private static MethodInfo GetAllValuesMethodInfo(object coherentStateInstance) => coherentStateInstance.GetType().GetMethod("GetAllValues", BindingFlags.Instance | BindingFlags.Public)!;
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private List<ICacheEntry> GetAllValues(MemoryCache cache)
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{
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_coherentStateInstance ??= GetCoherentState(cache);
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_allValuesMethodInfo ??= GetAllValuesMethodInfo(_coherentStateInstance);
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var ret = new List<ICacheEntry>();
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if (_allValuesMethodInfo.Invoke(_coherentStateInstance, null) is IEnumerable<ICacheEntry> values)
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{
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ret.AddRange(values);
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}
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return ret;
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}
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#endif
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#region Count

‎src/BootstrapBlazor/Services/ICacheManager.cs‎

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/// 获得 缓存键集合
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/// </summary>
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IEnumerable<object> Keys { get; }
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/// <summary>
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/// 通过指定 key 获取缓存项 <see cref="ICacheEntry"/> 实例
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/// </summary>
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/// <param name="key"></param>
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/// <param name="entry"></param>
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/// <returns></returns>
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bool TryGetCacheEntry(object? key, [NotNullWhen(true)] out ICacheEntry? entry);
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#endif
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}

‎test/UnitTest/Performance/UnsafeAccessorTest.cs‎

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the Apache 2.0 License
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// See the LICENSE file in the project root for more information.
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// Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
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using System.Runtime.CompilerServices;
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namespace UnitTest.Performance;
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public class UnsafeAccessorTest
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{
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[Fact]
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public void GetField_Ok()
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{
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var dummy = new Dummy();
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dummy.SetName("test");
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Assert.Equal("test", GetNameField(dummy));
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}
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[UnsafeAccessor(UnsafeAccessorKind.Field, Name = "_name")]
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static extern ref string GetNameField(Dummy @this);
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private class Dummy
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{
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private string? _name;
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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public string? GetName()
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{
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return _name;
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}
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public void SetName(string? name)
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{
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_name = name;
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}
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}
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}

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