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9107e23268
- 拆分 GFramework stream lifetime benchmark 的 reflection、generated 与 MediatR 独立请求和 handler 类型 - 调整 generated stream registry 仅绑定 generated 口径，避免静态 dispatcher 缓存污染对照结果 - 验证 StreamLifetimeBenchmarks 在 Singleton 与 Transient 下均产出完整四方对照结果
405 lines
16 KiB
C#
405 lines
16 KiB
C#
// Copyright (c) 2025-2026 GeWuYou
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// SPDX-License-Identifier: Apache-2.0
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using BenchmarkDotNet.Attributes;
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using BenchmarkDotNet.Columns;
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using BenchmarkDotNet.Configs;
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using BenchmarkDotNet.Diagnosers;
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using BenchmarkDotNet.Jobs;
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using BenchmarkDotNet.Order;
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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using GFramework.Core.Abstractions.Logging;
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using GFramework.Core.Ioc;
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using GFramework.Core.Logging;
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using GFramework.Cqrs.Abstractions.Cqrs;
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using MediatR;
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using Microsoft.Extensions.DependencyInjection;
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namespace GFramework.Cqrs.Benchmarks.Messaging;
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/// <summary>
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/// 对比 stream 完整枚举在不同 handler 生命周期下的额外开销。
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/// </summary>
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/// <remarks>
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/// 当前矩阵只覆盖 `Singleton` 与 `Transient`。
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/// `Scoped` 仍依赖真实的显式作用域边界；在当前“单根容器最小宿主”模型下直接加入 scoped 会把枚举宿主成本与生命周期成本混在一起，
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/// 因此保持与 request 生命周期矩阵相同的边界，留待后续 scoped host 基线具备后再扩展。
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/// </remarks>
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[Config(typeof(Config))]
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public class StreamLifetimeBenchmarks
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{
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private MicrosoftDiContainer _reflectionContainer = null!;
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private ICqrsRuntime _reflectionRuntime = null!;
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private MicrosoftDiContainer _generatedContainer = null!;
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private ICqrsRuntime _generatedRuntime = null!;
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private ServiceProvider _serviceProvider = null!;
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private IMediator _mediatr = null!;
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private ReflectionBenchmarkStreamHandler _baselineHandler = null!;
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private ReflectionBenchmarkStreamRequest _reflectionRequest = null!;
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private GeneratedBenchmarkStreamRequest _generatedRequest = null!;
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private MediatRBenchmarkStreamRequest _mediatrRequest = null!;
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/// <summary>
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/// 控制当前 benchmark 使用的 handler 生命周期。
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/// </summary>
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[Params(HandlerLifetime.Singleton, HandlerLifetime.Transient)]
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public HandlerLifetime Lifetime { get; set; }
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/// <summary>
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/// 可公平比较的 benchmark handler 生命周期集合。
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/// </summary>
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public enum HandlerLifetime
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{
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/// <summary>
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/// 复用单个 handler 实例。
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/// </summary>
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Singleton,
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/// <summary>
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/// 每次建流都重新解析新的 handler 实例。
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/// </summary>
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Transient
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}
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/// <summary>
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/// 配置 stream 生命周期 benchmark 的公共输出格式。
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/// </summary>
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private sealed class Config : ManualConfig
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{
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public Config()
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{
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AddJob(Job.Default);
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AddColumnProvider(DefaultColumnProviders.Instance);
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AddColumn(new CustomColumn("Scenario", static (_, _) => "StreamLifetime"));
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AddDiagnoser(MemoryDiagnoser.Default);
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WithOrderer(new DefaultOrderer(SummaryOrderPolicy.FastestToSlowest, MethodOrderPolicy.Declared));
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}
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}
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/// <summary>
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/// 构建当前生命周期下的 GFramework reflection、GFramework generated 与 MediatR stream 对照宿主。
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/// </summary>
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[GlobalSetup]
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public void Setup()
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{
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LoggerFactoryResolver.Provider = new ConsoleLoggerFactoryProvider
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{
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MinLevel = LogLevel.Fatal
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};
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Fixture.Setup($"StreamLifetime/{Lifetime}", handlerCount: 1, pipelineCount: 0);
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BenchmarkDispatcherCacheHelper.ClearDispatcherCaches();
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_baselineHandler = new ReflectionBenchmarkStreamHandler();
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_reflectionRequest = new ReflectionBenchmarkStreamRequest(Guid.NewGuid(), 3);
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_generatedRequest = new GeneratedBenchmarkStreamRequest(Guid.NewGuid(), 3);
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_mediatrRequest = new MediatRBenchmarkStreamRequest(Guid.NewGuid(), 3);
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_reflectionContainer = BenchmarkHostFactory.CreateFrozenGFrameworkContainer(container =>
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{
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RegisterReflectionHandler(container, Lifetime);
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});
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_reflectionRuntime = GFramework.Cqrs.CqrsRuntimeFactory.CreateRuntime(
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_reflectionContainer,
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LoggerFactoryResolver.Provider.CreateLogger(nameof(StreamLifetimeBenchmarks) + ".Reflection." + Lifetime));
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_generatedContainer = BenchmarkHostFactory.CreateFrozenGFrameworkContainer(container =>
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{
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BenchmarkHostFactory.RegisterGeneratedBenchmarkRegistry<GeneratedStreamLifetimeBenchmarkRegistry>(container);
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RegisterGeneratedHandler(container, Lifetime);
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});
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// 容器内已提前保留默认 runtime 以支撑 generated registry 接线；
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// 这里额外创建带生命周期后缀的 runtime，只是为了区分不同 benchmark 矩阵的 dispatcher 日志。
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_generatedRuntime = GFramework.Cqrs.CqrsRuntimeFactory.CreateRuntime(
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_generatedContainer,
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LoggerFactoryResolver.Provider.CreateLogger(nameof(StreamLifetimeBenchmarks) + ".Generated." + Lifetime));
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_serviceProvider = BenchmarkHostFactory.CreateMediatRServiceProvider(
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configure: null,
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typeof(StreamLifetimeBenchmarks),
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static candidateType => candidateType == typeof(MediatRBenchmarkStreamHandler),
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ResolveMediatRLifetime(Lifetime));
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_mediatr = _serviceProvider.GetRequiredService<IMediator>();
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}
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/// <summary>
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/// 释放当前生命周期矩阵持有的 benchmark 宿主资源，并清理 dispatcher 缓存。
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/// </summary>
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[GlobalCleanup]
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public void Cleanup()
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{
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try
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{
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BenchmarkCleanupHelper.DisposeAll(_reflectionContainer, _generatedContainer, _serviceProvider);
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}
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finally
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{
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BenchmarkDispatcherCacheHelper.ClearDispatcherCaches();
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}
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}
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/// <summary>
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/// 直接调用 handler 并完整枚举，作为不同生命周期矩阵下的 dispatch 额外开销 baseline。
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/// </summary>
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[Benchmark(Baseline = true)]
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public async ValueTask Stream_Baseline()
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{
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await foreach (var response in _baselineHandler.Handle(_reflectionRequest, CancellationToken.None).ConfigureAwait(false))
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{
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_ = response;
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}
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}
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/// <summary>
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/// 通过 GFramework.CQRS reflection stream binding 路径创建并完整枚举 stream。
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/// </summary>
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[Benchmark]
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public async ValueTask Stream_GFrameworkReflection()
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{
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await foreach (var response in _reflectionRuntime.CreateStream(
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BenchmarkContext.Instance,
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_reflectionRequest,
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CancellationToken.None)
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.ConfigureAwait(false))
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{
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_ = response;
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}
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}
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/// <summary>
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/// 通过 generated stream invoker provider 预热后的 GFramework.CQRS runtime 创建并完整枚举 stream。
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/// </summary>
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[Benchmark]
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public async ValueTask Stream_GFrameworkGenerated()
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{
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await foreach (var response in _generatedRuntime.CreateStream(
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BenchmarkContext.Instance,
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_generatedRequest,
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CancellationToken.None)
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.ConfigureAwait(false))
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{
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_ = response;
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}
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}
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/// <summary>
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/// 通过 MediatR 创建并完整枚举 stream，作为外部对照。
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/// </summary>
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[Benchmark]
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public async ValueTask Stream_MediatR()
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{
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await foreach (var response in _mediatr.CreateStream(_mediatrRequest, CancellationToken.None).ConfigureAwait(false))
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{
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_ = response;
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}
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}
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/// <summary>
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/// 按生命周期把 reflection benchmark stream handler 注册到 GFramework 容器。
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/// </summary>
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/// <param name="container">当前 benchmark 拥有并负责释放的容器。</param>
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/// <param name="lifetime">待比较的 handler 生命周期。</param>
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private static void RegisterReflectionHandler(MicrosoftDiContainer container, HandlerLifetime lifetime)
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{
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ArgumentNullException.ThrowIfNull(container);
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switch (lifetime)
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{
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case HandlerLifetime.Singleton:
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container.RegisterSingleton<
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequestHandler<ReflectionBenchmarkStreamRequest, ReflectionBenchmarkResponse>,
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ReflectionBenchmarkStreamHandler>();
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return;
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case HandlerLifetime.Transient:
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container.RegisterTransient<
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequestHandler<ReflectionBenchmarkStreamRequest, ReflectionBenchmarkResponse>,
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ReflectionBenchmarkStreamHandler>();
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return;
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default:
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throw new ArgumentOutOfRangeException(nameof(lifetime), lifetime, "Unsupported benchmark handler lifetime.");
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}
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}
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/// <summary>
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/// 按生命周期把 generated benchmark stream handler 注册到 GFramework 容器。
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/// </summary>
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/// <param name="container">当前 benchmark 拥有并负责释放的容器。</param>
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/// <param name="lifetime">待比较的 handler 生命周期。</param>
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/// <remarks>
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/// generated registry 只负责暴露静态 descriptor；
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/// 生命周期矩阵仍由 benchmark 主体显式覆盖 handler 注册，避免把 descriptor 发现与实例解析混在一起。
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/// </remarks>
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private static void RegisterGeneratedHandler(MicrosoftDiContainer container, HandlerLifetime lifetime)
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{
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ArgumentNullException.ThrowIfNull(container);
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switch (lifetime)
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{
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case HandlerLifetime.Singleton:
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container.RegisterSingleton<
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequestHandler<GeneratedBenchmarkStreamRequest, GeneratedBenchmarkResponse>,
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GeneratedBenchmarkStreamHandler>();
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return;
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case HandlerLifetime.Transient:
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container.RegisterTransient<
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequestHandler<GeneratedBenchmarkStreamRequest, GeneratedBenchmarkResponse>,
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GeneratedBenchmarkStreamHandler>();
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return;
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default:
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throw new ArgumentOutOfRangeException(nameof(lifetime), lifetime, "Unsupported benchmark handler lifetime.");
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}
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}
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/// <summary>
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/// 将 benchmark 生命周期映射为 MediatR 组装所需的 <see cref="ServiceLifetime" />。
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/// </summary>
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/// <param name="lifetime">待比较的 handler 生命周期。</param>
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/// <returns>当前生命周期对应的 MediatR 注册方式。</returns>
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private static ServiceLifetime ResolveMediatRLifetime(HandlerLifetime lifetime)
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{
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return lifetime switch
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{
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HandlerLifetime.Singleton => ServiceLifetime.Singleton,
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HandlerLifetime.Transient => ServiceLifetime.Transient,
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_ => throw new ArgumentOutOfRangeException(nameof(lifetime), lifetime, "Unsupported benchmark handler lifetime.")
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};
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}
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/// <summary>
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/// Reflection runtime stream request。
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/// </summary>
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/// <param name="Id">请求标识。</param>
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/// <param name="ItemCount">返回元素数量。</param>
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public sealed record ReflectionBenchmarkStreamRequest(Guid Id, int ItemCount) :
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequest<ReflectionBenchmarkResponse>;
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/// <summary>
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/// Reflection runtime stream response。
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/// </summary>
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/// <param name="Id">响应标识。</param>
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public sealed record ReflectionBenchmarkResponse(Guid Id);
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/// <summary>
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/// Generated runtime stream request。
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/// </summary>
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/// <param name="Id">请求标识。</param>
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/// <param name="ItemCount">返回元素数量。</param>
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public sealed record GeneratedBenchmarkStreamRequest(Guid Id, int ItemCount) :
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequest<GeneratedBenchmarkResponse>;
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/// <summary>
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/// Generated runtime stream response。
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/// </summary>
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/// <param name="Id">响应标识。</param>
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public sealed record GeneratedBenchmarkResponse(Guid Id);
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/// <summary>
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/// MediatR stream request。
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/// </summary>
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/// <param name="Id">请求标识。</param>
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/// <param name="ItemCount">返回元素数量。</param>
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public sealed record MediatRBenchmarkStreamRequest(Guid Id, int ItemCount) :
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MediatR.IStreamRequest<MediatRBenchmarkResponse>;
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/// <summary>
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/// MediatR stream response。
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/// </summary>
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/// <param name="Id">响应标识。</param>
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public sealed record MediatRBenchmarkResponse(Guid Id);
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/// <summary>
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/// Reflection runtime 的最小 stream request handler。
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/// </summary>
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public sealed class ReflectionBenchmarkStreamHandler :
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequestHandler<ReflectionBenchmarkStreamRequest, ReflectionBenchmarkResponse>
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{
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/// <summary>
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/// 处理 reflection benchmark stream request。
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/// </summary>
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/// <param name="request">当前 reflection benchmark stream 请求。</param>
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/// <param name="cancellationToken">用于中断异步枚举的取消令牌。</param>
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/// <returns>完整枚举所需的低噪声异步响应序列。</returns>
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public IAsyncEnumerable<ReflectionBenchmarkResponse> Handle(
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ReflectionBenchmarkStreamRequest request,
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CancellationToken cancellationToken)
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{
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return EnumerateAsync(
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request.Id,
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request.ItemCount,
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static id => new ReflectionBenchmarkResponse(id),
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cancellationToken);
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}
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}
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/// <summary>
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/// Generated runtime 的最小 stream request handler。
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/// </summary>
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public sealed class GeneratedBenchmarkStreamHandler :
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GFramework.Cqrs.Abstractions.Cqrs.IStreamRequestHandler<GeneratedBenchmarkStreamRequest, GeneratedBenchmarkResponse>
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{
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/// <summary>
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/// 处理 generated benchmark stream request。
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/// </summary>
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/// <param name="request">当前 generated benchmark stream 请求。</param>
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/// <param name="cancellationToken">用于中断异步枚举的取消令牌。</param>
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/// <returns>完整枚举所需的低噪声异步响应序列。</returns>
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public IAsyncEnumerable<GeneratedBenchmarkResponse> Handle(
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GeneratedBenchmarkStreamRequest request,
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CancellationToken cancellationToken)
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{
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return EnumerateAsync(
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request.Id,
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request.ItemCount,
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static id => new GeneratedBenchmarkResponse(id),
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cancellationToken);
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}
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}
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/// <summary>
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/// MediatR 对照组的最小 stream request handler。
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/// </summary>
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public sealed class MediatRBenchmarkStreamHandler :
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MediatR.IStreamRequestHandler<MediatRBenchmarkStreamRequest, MediatRBenchmarkResponse>
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{
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/// <summary>
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/// 处理 MediatR benchmark stream request。
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/// </summary>
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/// <param name="request">当前 MediatR benchmark stream 请求。</param>
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/// <param name="cancellationToken">用于中断异步枚举的取消令牌。</param>
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/// <returns>完整枚举所需的低噪声异步响应序列。</returns>
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public IAsyncEnumerable<MediatRBenchmarkResponse> Handle(
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MediatRBenchmarkStreamRequest request,
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CancellationToken cancellationToken)
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{
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return EnumerateAsync(
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request.Id,
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request.ItemCount,
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static id => new MediatRBenchmarkResponse(id),
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cancellationToken);
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}
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}
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/// <summary>
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/// 为生命周期矩阵构造相同形状的低噪声异步枚举，避免不同口径的枚举体差异干扰 dispatch 对照。
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/// </summary>
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private static async IAsyncEnumerable<TResponse> EnumerateAsync<TResponse>(
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Guid id,
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int itemCount,
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Func<Guid, TResponse> responseFactory,
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[System.Runtime.CompilerServices.EnumeratorCancellation] CancellationToken cancellationToken)
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{
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for (var index = 0; index < itemCount; index++)
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{
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cancellationToken.ThrowIfCancellationRequested();
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yield return responseFactory(id);
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await Task.CompletedTask.ConfigureAwait(false);
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}
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}
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}
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