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refactor(Cqrs): 重构CQRS处理器注册生成逻辑以支持混合注册类型
- 修改注册条件判断逻辑，支持多种注册类型的组合处理 - 新增有序注册实现方法，统一处理直接、反射和精确反射注册 - 添加注册类型枚举以区分不同的注册方式 - 实现混合注册场景下的稳定排序机制 - 更新反射注册逻辑以支持更复杂的类型解析 - 优化代码结构提升可读性和维护性 - 添加单元测试验证各种混合注册场景的正确性
This commit is contained in:
GeWuYou
parent
a8386c1759
commit
1792fafc85
@ -164,6 +164,94 @@ public class CqrsHandlerRegistryGeneratorTests
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""";
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private const string MixedDirectAndPreciseRegistrationsExpected = """
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// <auto-generated />
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#nullable enable
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[assembly: global::GFramework.Cqrs.CqrsHandlerRegistryAttribute(typeof(global::GFramework.Generated.Cqrs.__GFrameworkGeneratedCqrsHandlerRegistry))]
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namespace GFramework.Generated.Cqrs;
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internal sealed class __GFrameworkGeneratedCqrsHandlerRegistry : global::GFramework.Cqrs.ICqrsHandlerRegistry
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{
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public void Register(global::Microsoft.Extensions.DependencyInjection.IServiceCollection services, global::GFramework.Core.Abstractions.Logging.ILogger logger)
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{
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if (services is null)
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throw new global::System.ArgumentNullException(nameof(services));
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if (logger is null)
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throw new global::System.ArgumentNullException(nameof(logger));
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var registryAssembly = typeof(global::GFramework.Generated.Cqrs.__GFrameworkGeneratedCqrsHandlerRegistry).Assembly;
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var implementationType0 = typeof(global::TestApp.Container.MixedHandler);
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if (implementationType0 is not null)
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{
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var serviceType0_0Argument0 = registryAssembly.GetType("TestApp.Container+HiddenRequest", throwOnError: false, ignoreCase: false);
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var serviceType0_0Argument1Element = registryAssembly.GetType("TestApp.Container+HiddenResponse", throwOnError: false, ignoreCase: false);
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if (serviceType0_0Argument0 is not null && serviceType0_0Argument1Element is not null)
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{
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var serviceType0_0 = typeof(global::GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<,>).MakeGenericType(serviceType0_0Argument0, serviceType0_0Argument1Element.MakeArrayType());
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global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(
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services,
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serviceType0_0,
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implementationType0);
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logger.Debug("Registered CQRS handler TestApp.Container.MixedHandler as GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<TestApp.Container.HiddenRequest, TestApp.Container.HiddenResponse[]>.");
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}
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global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(
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services,
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typeof(global::GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<global::TestApp.VisibleRequest, string>),
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implementationType0);
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logger.Debug("Registered CQRS handler TestApp.Container.MixedHandler as GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<TestApp.VisibleRequest, string>.");
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}
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}
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}
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""";
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private const string MixedReflectedImplementationAndPreciseRegistrationsExpected = """
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// <auto-generated />
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#nullable enable
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[assembly: global::GFramework.Cqrs.CqrsHandlerRegistryAttribute(typeof(global::GFramework.Generated.Cqrs.__GFrameworkGeneratedCqrsHandlerRegistry))]
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namespace GFramework.Generated.Cqrs;
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internal sealed class __GFrameworkGeneratedCqrsHandlerRegistry : global::GFramework.Cqrs.ICqrsHandlerRegistry
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{
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public void Register(global::Microsoft.Extensions.DependencyInjection.IServiceCollection services, global::GFramework.Core.Abstractions.Logging.ILogger logger)
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{
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if (services is null)
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throw new global::System.ArgumentNullException(nameof(services));
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if (logger is null)
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throw new global::System.ArgumentNullException(nameof(logger));
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var registryAssembly = typeof(global::GFramework.Generated.Cqrs.__GFrameworkGeneratedCqrsHandlerRegistry).Assembly;
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var implementationType0 = registryAssembly.GetType("TestApp.Container+HiddenMixedHandler", throwOnError: false, ignoreCase: false);
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if (implementationType0 is not null)
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{
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var serviceType0_0Argument0 = registryAssembly.GetType("TestApp.Container+HiddenRequest", throwOnError: false, ignoreCase: false);
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var serviceType0_0Argument1Element = registryAssembly.GetType("TestApp.Container+HiddenResponse", throwOnError: false, ignoreCase: false);
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if (serviceType0_0Argument0 is not null && serviceType0_0Argument1Element is not null)
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{
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var serviceType0_0 = typeof(global::GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<,>).MakeGenericType(serviceType0_0Argument0, serviceType0_0Argument1Element.MakeArrayType());
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global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(
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services,
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serviceType0_0,
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implementationType0);
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logger.Debug("Registered CQRS handler TestApp.Container.HiddenMixedHandler as GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<TestApp.Container.HiddenRequest, TestApp.Container.HiddenResponse[]>.");
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}
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global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(
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services,
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typeof(global::GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<global::TestApp.VisibleRequest, string>),
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implementationType0);
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logger.Debug("Registered CQRS handler TestApp.Container.HiddenMixedHandler as GFramework.Cqrs.Abstractions.Cqrs.IRequestHandler<TestApp.VisibleRequest, string>.");
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}
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}
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}
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""";
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/// <summary>
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/// 验证生成器会为当前程序集中的 request、notification 和 stream 处理器生成稳定顺序的注册器。
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/// </summary>
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@ -579,6 +667,164 @@ public class CqrsHandlerRegistryGeneratorTests
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("CqrsHandlerRegistry.g.cs", HiddenGenericEnvelopeResponseExpected));
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}
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/// <summary>
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/// 验证同一个 implementation 同时包含可直接注册接口与需精确重建接口时，
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/// 生成器会保留两类注册，并继续按 handler interface 名称稳定排序。
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/// </summary>
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[Test]
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public async Task Generates_Mixed_Direct_And_Precise_Registrations_For_Same_Implementation()
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{
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const string source = """
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using System;
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namespace Microsoft.Extensions.DependencyInjection
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{
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public interface IServiceCollection { }
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public static class ServiceCollectionServiceExtensions
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{
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public static void AddTransient(IServiceCollection services, Type serviceType, Type implementationType) { }
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}
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}
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namespace GFramework.Core.Abstractions.Logging
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{
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public interface ILogger
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{
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void Debug(string msg);
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}
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}
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namespace GFramework.Cqrs.Abstractions.Cqrs
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{
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public interface IRequest<TResponse> { }
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public interface INotification { }
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public interface IStreamRequest<TResponse> { }
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public interface IRequestHandler<in TRequest, TResponse> where TRequest : IRequest<TResponse> { }
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public interface INotificationHandler<in TNotification> where TNotification : INotification { }
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public interface IStreamRequestHandler<in TRequest, out TResponse> where TRequest : IStreamRequest<TResponse> { }
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}
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namespace GFramework.Cqrs
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{
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public interface ICqrsHandlerRegistry
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{
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void Register(Microsoft.Extensions.DependencyInjection.IServiceCollection services, GFramework.Core.Abstractions.Logging.ILogger logger);
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}
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[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
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public sealed class CqrsHandlerRegistryAttribute : Attribute
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{
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public CqrsHandlerRegistryAttribute(Type registryType) { }
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}
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}
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namespace TestApp
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{
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using GFramework.Cqrs.Abstractions.Cqrs;
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public sealed record VisibleRequest() : IRequest<string>;
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public sealed class Container
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{
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private sealed record HiddenResponse();
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private sealed record HiddenRequest() : IRequest<HiddenResponse[]>;
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public sealed class MixedHandler :
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IRequestHandler<HiddenRequest, HiddenResponse[]>,
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IRequestHandler<VisibleRequest, string>
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{
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}
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}
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}
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""";
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await GeneratorTest<CqrsHandlerRegistryGenerator>.RunAsync(
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source,
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("CqrsHandlerRegistry.g.cs", MixedDirectAndPreciseRegistrationsExpected));
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}
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/// <summary>
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/// 验证隐藏 implementation 同时包含可见 handler interface 与需精确重建接口时，
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/// 生成器会保留两类注册，而不会让可见接口被整实现回退吞掉。
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/// </summary>
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[Test]
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public async Task Generates_Mixed_Reflected_Implementation_And_Precise_Registrations_For_Same_Implementation()
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{
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const string source = """
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using System;
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namespace Microsoft.Extensions.DependencyInjection
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{
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public interface IServiceCollection { }
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public static class ServiceCollectionServiceExtensions
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{
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public static void AddTransient(IServiceCollection services, Type serviceType, Type implementationType) { }
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}
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}
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namespace GFramework.Core.Abstractions.Logging
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{
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public interface ILogger
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{
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void Debug(string msg);
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}
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}
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namespace GFramework.Cqrs.Abstractions.Cqrs
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{
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public interface IRequest<TResponse> { }
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public interface INotification { }
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public interface IStreamRequest<TResponse> { }
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public interface IRequestHandler<in TRequest, TResponse> where TRequest : IRequest<TResponse> { }
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public interface INotificationHandler<in TNotification> where TNotification : INotification { }
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public interface IStreamRequestHandler<in TRequest, out TResponse> where TRequest : IStreamRequest<TResponse> { }
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}
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namespace GFramework.Cqrs
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{
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public interface ICqrsHandlerRegistry
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{
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void Register(Microsoft.Extensions.DependencyInjection.IServiceCollection services, GFramework.Core.Abstractions.Logging.ILogger logger);
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}
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[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
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public sealed class CqrsHandlerRegistryAttribute : Attribute
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{
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public CqrsHandlerRegistryAttribute(Type registryType) { }
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}
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}
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namespace TestApp
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{
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using GFramework.Cqrs.Abstractions.Cqrs;
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public sealed record VisibleRequest() : IRequest<string>;
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public sealed class Container
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{
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private sealed record HiddenResponse();
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private sealed record HiddenRequest() : IRequest<HiddenResponse[]>;
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private sealed class HiddenMixedHandler :
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IRequestHandler<HiddenRequest, HiddenResponse[]>,
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IRequestHandler<VisibleRequest, string>
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{
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}
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}
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}
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""";
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await GeneratorTest<CqrsHandlerRegistryGenerator>.RunAsync(
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source,
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("CqrsHandlerRegistry.g.cs", MixedReflectedImplementationAndPreciseRegistrationsExpected));
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}
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/// <summary>
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/// 验证即使 runtime 仍暴露旧版无参 fallback marker，生成器也会优先在生成注册器内部处理隐藏 handler，
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/// 不再输出 fallback marker。
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@ -549,40 +549,22 @@ public sealed class CqrsHandlerRegistryGenerator : IIncrementalGenerator
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for (var registrationIndex = 0; registrationIndex < registrations.Count; registrationIndex++)
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{
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var registration = registrations[registrationIndex];
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if (!registration.ReflectedImplementationRegistrations.IsDefaultOrEmpty)
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if (!registration.ReflectedImplementationRegistrations.IsDefaultOrEmpty ||
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!registration.PreciseReflectedRegistrations.IsDefaultOrEmpty)
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{
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AppendReflectedImplementationRegistrations(builder, registration, registrationIndex);
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continue;
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AppendOrderedImplementationRegistrations(builder, registration, registrationIndex);
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}
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else if (!registration.DirectRegistrations.IsDefaultOrEmpty)
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{
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AppendDirectRegistrations(builder, registration);
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}
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if (!registration.PreciseReflectedRegistrations.IsDefaultOrEmpty)
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{
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AppendPreciseReflectedRegistrations(builder, registration, registrationIndex);
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continue;
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}
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if (!string.IsNullOrWhiteSpace(registration.ReflectionTypeMetadataName))
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if (!string.IsNullOrWhiteSpace(registration.ReflectionTypeMetadataName) &&
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registration.ReflectedImplementationRegistrations.IsDefaultOrEmpty &&
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registration.PreciseReflectedRegistrations.IsDefaultOrEmpty &&
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registration.DirectRegistrations.IsDefaultOrEmpty)
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{
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AppendReflectionRegistration(builder, registration.ReflectionTypeMetadataName!);
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continue;
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}
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foreach (var directRegistration in registration.DirectRegistrations)
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{
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builder.AppendLine(
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" global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(");
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builder.AppendLine(" services,");
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builder.Append(" typeof(");
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builder.Append(directRegistration.HandlerInterfaceDisplayName);
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builder.AppendLine("),");
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builder.Append(" typeof(");
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builder.Append(directRegistration.ImplementationTypeDisplayName);
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builder.AppendLine("));");
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builder.Append(" logger.Debug(\"Registered CQRS handler ");
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builder.Append(EscapeStringLiteral(directRegistration.ImplementationLogName));
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builder.Append(" as ");
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builder.Append(EscapeStringLiteral(directRegistration.HandlerInterfaceLogName));
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builder.AppendLine(".\");");
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}
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}
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@ -605,24 +587,118 @@ public sealed class CqrsHandlerRegistryGenerator : IIncrementalGenerator
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builder.AppendLine("\");");
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}
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private static void AppendReflectedImplementationRegistrations(
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private static void AppendDirectRegistrations(
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StringBuilder builder,
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ImplementationRegistrationSpec registration)
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{
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foreach (var directRegistration in registration.DirectRegistrations)
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{
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builder.AppendLine(
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" global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(");
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builder.AppendLine(" services,");
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builder.Append(" typeof(");
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builder.Append(directRegistration.HandlerInterfaceDisplayName);
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builder.AppendLine("),");
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builder.Append(" typeof(");
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builder.Append(directRegistration.ImplementationTypeDisplayName);
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builder.AppendLine("));");
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builder.Append(" logger.Debug(\"Registered CQRS handler ");
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builder.Append(EscapeStringLiteral(directRegistration.ImplementationLogName));
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builder.Append(" as ");
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builder.Append(EscapeStringLiteral(directRegistration.HandlerInterfaceLogName));
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builder.AppendLine(".\");");
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}
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}
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private static void AppendOrderedImplementationRegistrations(
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StringBuilder builder,
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ImplementationRegistrationSpec registration,
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int registrationIndex)
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{
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var orderedRegistrations =
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new List<(string HandlerInterfaceLogName, OrderedRegistrationKind Kind, int Index)>(
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registration.DirectRegistrations.Length +
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registration.ReflectedImplementationRegistrations.Length +
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registration.PreciseReflectedRegistrations.Length);
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for (var directIndex = 0; directIndex < registration.DirectRegistrations.Length; directIndex++)
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{
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orderedRegistrations.Add((
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registration.DirectRegistrations[directIndex].HandlerInterfaceLogName,
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OrderedRegistrationKind.Direct,
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directIndex));
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}
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for (var reflectedIndex = 0;
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reflectedIndex < registration.ReflectedImplementationRegistrations.Length;
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reflectedIndex++)
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{
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orderedRegistrations.Add((
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registration.ReflectedImplementationRegistrations[reflectedIndex].HandlerInterfaceLogName,
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OrderedRegistrationKind.ReflectedImplementation,
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reflectedIndex));
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}
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for (var preciseIndex = 0;
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preciseIndex < registration.PreciseReflectedRegistrations.Length;
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preciseIndex++)
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{
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orderedRegistrations.Add((
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registration.PreciseReflectedRegistrations[preciseIndex].HandlerInterfaceLogName,
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OrderedRegistrationKind.PreciseReflected,
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preciseIndex));
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}
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orderedRegistrations.Sort(static (left, right) =>
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StringComparer.Ordinal.Compare(left.HandlerInterfaceLogName, right.HandlerInterfaceLogName));
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var implementationVariableName = $"implementationType{registrationIndex}";
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if (string.IsNullOrWhiteSpace(registration.ReflectionTypeMetadataName))
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{
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builder.Append(" var ");
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builder.Append(implementationVariableName);
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builder.Append(" = typeof(");
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builder.Append(registration.ImplementationTypeDisplayName);
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builder.AppendLine(");");
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}
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else
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{
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builder.Append(" var ");
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builder.Append(implementationVariableName);
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builder.Append(" = registryAssembly.GetType(\"");
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builder.Append(EscapeStringLiteral(registration.ReflectionTypeMetadataName!));
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builder.AppendLine("\", throwOnError: false, ignoreCase: false);");
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}
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builder.Append(" if (");
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builder.Append(implementationVariableName);
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builder.AppendLine(" is not null)");
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builder.AppendLine(" {");
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foreach (var reflectedRegistration in registration.ReflectedImplementationRegistrations)
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foreach (var orderedRegistration in orderedRegistrations)
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{
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switch (orderedRegistration.Kind)
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{
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case OrderedRegistrationKind.Direct:
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var directRegistration = registration.DirectRegistrations[orderedRegistration.Index];
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builder.AppendLine(
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" global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(");
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builder.AppendLine(" services,");
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builder.Append(" typeof(");
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builder.Append(directRegistration.HandlerInterfaceDisplayName);
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builder.AppendLine("),");
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builder.Append(" ");
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builder.Append(implementationVariableName);
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builder.AppendLine(");");
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builder.Append(" logger.Debug(\"Registered CQRS handler ");
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builder.Append(EscapeStringLiteral(registration.ImplementationLogName));
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builder.Append(" as ");
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builder.Append(EscapeStringLiteral(directRegistration.HandlerInterfaceLogName));
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builder.AppendLine(".\");");
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break;
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case OrderedRegistrationKind.ReflectedImplementation:
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var reflectedRegistration =
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registration.ReflectedImplementationRegistrations[orderedRegistration.Index];
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builder.AppendLine(
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" global::Microsoft.Extensions.DependencyInjection.ServiceCollectionServiceExtensions.AddTransient(");
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builder.AppendLine(" services,");
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@ -637,55 +713,24 @@ public sealed class CqrsHandlerRegistryGenerator : IIncrementalGenerator
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builder.Append(" as ");
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builder.Append(EscapeStringLiteral(reflectedRegistration.HandlerInterfaceLogName));
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builder.AppendLine(".\");");
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}
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builder.AppendLine(" }");
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||||
}
|
||||
|
||||
private static void AppendPreciseReflectedRegistrations(
|
||||
StringBuilder builder,
|
||||
ImplementationRegistrationSpec registration,
|
||||
int registrationIndex)
|
||||
{
|
||||
var implementationVariableName = $"implementationType{registrationIndex}";
|
||||
if (string.IsNullOrWhiteSpace(registration.ReflectionTypeMetadataName))
|
||||
{
|
||||
builder.Append(" var ");
|
||||
builder.Append(implementationVariableName);
|
||||
builder.Append(" = typeof(");
|
||||
builder.Append(registration.ImplementationTypeDisplayName);
|
||||
builder.AppendLine(");");
|
||||
}
|
||||
else
|
||||
{
|
||||
var implementationReflectionTypeMetadataName = registration.ReflectionTypeMetadataName!;
|
||||
builder.Append(" var ");
|
||||
builder.Append(implementationVariableName);
|
||||
builder.Append(" = registryAssembly.GetType(\"");
|
||||
builder.Append(EscapeStringLiteral(implementationReflectionTypeMetadataName));
|
||||
builder.AppendLine("\", throwOnError: false, ignoreCase: false);");
|
||||
}
|
||||
|
||||
builder.Append(" if (");
|
||||
builder.Append(implementationVariableName);
|
||||
builder.AppendLine(" is not null)");
|
||||
builder.AppendLine(" {");
|
||||
|
||||
for (var registrationOffset = 0;
|
||||
registrationOffset < registration.PreciseReflectedRegistrations.Length;
|
||||
registrationOffset++)
|
||||
{
|
||||
var reflectedRegistration = registration.PreciseReflectedRegistrations[registrationOffset];
|
||||
var registrationVariablePrefix = $"serviceType{registrationIndex}_{registrationOffset}";
|
||||
break;
|
||||
case OrderedRegistrationKind.PreciseReflected:
|
||||
var preciseRegistration = registration.PreciseReflectedRegistrations[orderedRegistration.Index];
|
||||
var registrationVariablePrefix = $"serviceType{registrationIndex}_{orderedRegistration.Index}";
|
||||
AppendPreciseReflectedTypeResolution(
|
||||
builder,
|
||||
reflectedRegistration.ServiceTypeArguments,
|
||||
preciseRegistration.ServiceTypeArguments,
|
||||
registrationVariablePrefix,
|
||||
implementationVariableName,
|
||||
reflectedRegistration.OpenHandlerTypeDisplayName,
|
||||
preciseRegistration.OpenHandlerTypeDisplayName,
|
||||
registration.ImplementationLogName,
|
||||
reflectedRegistration.HandlerInterfaceLogName,
|
||||
preciseRegistration.HandlerInterfaceLogName,
|
||||
3);
|
||||
break;
|
||||
default:
|
||||
throw new InvalidOperationException(
|
||||
$"Unsupported ordered CQRS registration kind {orderedRegistration.Kind}.");
|
||||
}
|
||||
}
|
||||
|
||||
builder.AppendLine(" }");
|
||||
@ -969,6 +1014,13 @@ public sealed class CqrsHandlerRegistryGenerator : IIncrementalGenerator
|
||||
string HandlerInterfaceDisplayName,
|
||||
string HandlerInterfaceLogName);
|
||||
|
||||
private enum OrderedRegistrationKind
|
||||
{
|
||||
Direct,
|
||||
ReflectedImplementation,
|
||||
PreciseReflected
|
||||
}
|
||||
|
||||
private sealed record RuntimeTypeReferenceSpec(
|
||||
string? TypeDisplayName,
|
||||
string? ReflectionTypeMetadataName,
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user