GFramework/GFramework.Game.Abstractions/scene/ISceneAroundTransitionHandler.cs
GeWuYou 53c2ee4ef3 feat(router): 添加场景和UI路由的Around中间件支持
- 在SceneRouterBase和UiRouterBase中集成管道执行Around处理器
- 实现场景过渡管道SceneTransitionPipeline的Around处理器注册和执行功能
- 实现UI过渡管道UiTransitionPipeline的Around处理器注册和执行功能
- 添加ISceneAroundTransitionHandler和IUiAroundTransitionHandler接口定义
- 扩展SceneTransitionPhases和UITransitionPhases枚举支持Around阶段
- 实现Around处理器的优先级排序和中间件链构建机制
- 添加Around处理器的超时控制和异常处理机制
2026-02-15 16:59:09 +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.
namespace GFramework.Game.Abstractions.scene;
/// <summary>
/// 场景切换中间件处理器接口,支持包裹整个变更过程的逻辑。
/// Around 处理器在变更前后都会执行,可以控制是否继续执行变更。
/// 适用于:性能监控、事务管理、权限验证、日志记录等横切关注点。
/// </summary>
public interface ISceneAroundTransitionHandler
{
/// <summary>
/// 获取处理器的执行优先级。
/// 数值越小优先级越高,越先执行(外层)。
/// 建议范围:-1000 到 1000。
/// </summary>
int Priority { get; }
/// <summary>
/// 判断处理器是否应该处理当前场景过渡事件。
/// </summary>
/// <param name="event">场景过渡事件。</param>
/// <returns>如果应该处理则返回 true否则返回 false。</returns>
bool ShouldHandle(SceneTransitionEvent @event);
/// <summary>
/// 执行中间件逻辑。
/// </summary>
/// <param name="event">场景过渡事件,包含切换的上下文信息。</param>
/// <param name="next">下一个中间件或实际操作的委托。调用此委托以继续执行流程。</param>
/// <param name="cancellationToken">取消令牌,用于支持操作取消。</param>
/// <returns>表示处理操作完成的异步任务。</returns>
Task HandleAsync(
SceneTransitionEvent @event,
Func<Task> next,
CancellationToken cancellationToken);
}