GFramework/GFramework.Core/cqrs/command/AbstractStreamCommandHandler.cs
GeWuYou 9a783f3caa feat(cqrs): 添加流式命令、查询和请求处理器基类
- 新增 AbstractStreamCommandHandler 基类支持流式命令处理
- 新增 AbstractStreamQueryHandler 基类支持流式查询处理
- 新增 AbstractStreamRequestHandler 基类支持流式请求处理
- 所有基类继承 ContextAwareBase 并实现对应的流式处理器接口
- 提供统一的异步可枚举响应序列处理机制
- 支持取消令牌用于控制流式操作的执行过程
2026-02-14 19:41:21 +08:00

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// Copyright (c) 2026 GeWuYou
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using GFramework.Core.rule;
using Mediator;
namespace GFramework.Core.cqrs.command;
/// <summary>
/// 抽象流式命令处理器基类
/// 继承自ContextAwareBase并实现IStreamCommandHandler接口为具体的流式命令处理器提供基础功能
/// 支持流式处理命令并产生异步可枚举的响应序列
/// </summary>
/// <typeparam name="TCommand">流式命令类型必须实现IStreamCommand接口</typeparam>
/// <typeparam name="TResponse">流式命令响应元素类型</typeparam>
public abstract class AbstractStreamCommandHandler<TCommand, TResponse> : ContextAwareBase,
IStreamCommandHandler<TCommand, TResponse>
where TCommand : IStreamCommand<TResponse>
{
/// <summary>
/// 处理流式命令并返回异步可枚举的响应序列
/// 由具体的流式命令处理器子类实现流式处理逻辑
/// </summary>
/// <param name="command">要处理的流式命令对象</param>
/// <param name="cancellationToken">取消令牌,用于取消流式处理操作</param>
/// <returns>异步可枚举的响应序列每个元素类型为TResponse</returns>
public abstract IAsyncEnumerable<TResponse> Handle(TCommand command, CancellationToken cancellationToken);
}