mirror of
https://github.com/GeWuYou/GFramework.git
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e36c80229a
- 引入AbstractCommandHandler、AbstractQueryHandler等各类处理器基类 - 实现CqrsContextAwareHandlerBase提供上下文感知功能 - 添加CqrsTestRuntime为测试项目提供CQRS运行时访问入口 - 创建AbstractCqrsHandlerContextTests验证上下文注入行为 - 支持命令、查询、通知及流式处理的各种抽象基类实现
58 lines
2.8 KiB
C#
58 lines
2.8 KiB
C#
// Copyright (c) 2026 GeWuYou
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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using GFramework.Cqrs.Abstractions.Cqrs;
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using GFramework.Cqrs.Abstractions.Cqrs.Command;
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namespace GFramework.Cqrs.Cqrs.Command;
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/// <summary>
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/// 抽象命令处理器基类
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/// 继承自轻量 CQRS 上下文基类并实现 IRequestHandler 接口，为具体的命令处理器提供基础功能。
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/// 框架会在每次分发前注入当前架构上下文，因此派生类可以通过 Context 访问架构级服务。
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/// </summary>
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/// <typeparam name="TCommand">命令类型</typeparam>
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public abstract class AbstractCommandHandler<TCommand> : CqrsContextAwareHandlerBase, IRequestHandler<TCommand, Unit>
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where TCommand : ICommand<Unit>
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{
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/// <summary>
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/// 处理指定的命令
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/// 由具体的命令处理器子类实现命令处理逻辑
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/// </summary>
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/// <param name="command">要处理的命令对象</param>
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/// <param name="cancellationToken">取消令牌，用于取消操作</param>
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/// <returns>表示异步操作完成的ValueTask，返回Unit类型表示无返回值</returns>
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public abstract ValueTask<Unit> Handle(TCommand command, CancellationToken cancellationToken);
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}
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/// <summary>
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/// 抽象命令处理器基类（带返回值版本）
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/// 继承自轻量 CQRS 上下文基类并实现 IRequestHandler 接口，为具体的命令处理器提供基础功能。
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/// 支持泛型命令和结果类型，框架会在每次分发前注入当前架构上下文。
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/// </summary>
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/// <typeparam name="TCommand">命令类型，必须实现ICommand接口</typeparam>
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/// <typeparam name="TResult">命令执行结果类型</typeparam>
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public abstract class AbstractCommandHandler<TCommand, TResult> : CqrsContextAwareHandlerBase,
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IRequestHandler<TCommand, TResult>
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where TCommand : ICommand<TResult>
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{
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/// <summary>
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/// 处理指定的命令并返回结果
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/// 由具体的命令处理器子类实现命令处理逻辑
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/// </summary>
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/// <param name="command">要处理的命令对象</param>
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/// <param name="cancellationToken">取消令牌，用于取消操作</param>
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/// <returns>表示异步操作完成的ValueTask，包含命令执行结果</returns>
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public abstract ValueTask<TResult> Handle(TCommand command, CancellationToken cancellationToken);
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}
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