mirror of
https://github.com/GeWuYou/GFramework.git
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12f15961af
- 恢复 EasyEvents、CollectionExtensions 与 logging 配置模型的公共 API 兼容形状 - 修复 ContextAwareGenerator 字段命名冲突、锁内读取路径与相关快照回归测试 - 更新 Cqrs 与 schema generator 的 null/cancellation 契约，并同步 ai-plan 跟踪与验证记录
87 lines
3.2 KiB
C#
87 lines
3.2 KiB
C#
using System.Collections.Concurrent;
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using GFramework.Core.Abstractions.Events;
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namespace GFramework.Core.Events;
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/// <summary>
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/// EasyEvents事件管理器类，用于全局事件的注册、获取和管理
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/// 提供了类型安全的事件系统，支持泛型事件的自动创建和检索
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/// 线程安全：所有公共方法都是线程安全的
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/// </summary>
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public class EasyEvents
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{
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/// <summary>
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/// 全局单例事件管理器实例
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/// </summary>
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private static readonly EasyEvents MGlobalEvents = new();
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/// <summary>
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/// 存储事件类型与事件实例映射关系的字典（线程安全）
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/// </summary>
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private readonly ConcurrentDictionary<Type, IEvent> _mTypeEvents = new();
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/// <summary>
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/// 获取指定类型的全局事件实例
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/// </summary>
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/// <typeparam name="T">事件类型，必须实现IEasyEvent接口</typeparam>
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/// <returns>指定类型的事件实例，如果未注册则返回默认值</returns>
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public static T Get<T>() where T : IEvent
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{
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return MGlobalEvents.GetEvent<T>();
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}
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/// <summary>
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/// 注册指定类型的全局事件
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/// </summary>
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/// <typeparam name="T">事件类型，必须实现IEasyEvent接口且具有无参构造函数</typeparam>
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public static void Register<T>() where T : IEvent, new()
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{
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MGlobalEvents.AddEvent<T>();
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}
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/// <summary>
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/// 获取或添加指定类型的全局事件
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/// </summary>
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/// <typeparam name="T">事件类型，必须实现IEasyEvent接口且具有无参构造函数</typeparam>
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/// <returns>指定类型的事件实例</returns>
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public static T GetOrAdd<T>() where T : IEvent, new()
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{
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return MGlobalEvents.GetOrAddEvent<T>();
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}
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/// <summary>
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/// 添加指定类型的事件到事件字典中
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/// </summary>
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/// <typeparam name="T">事件类型，必须实现IEasyEvent接口且具有无参构造函数</typeparam>
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/// <exception cref="ArgumentException">当事件类型已存在时抛出。</exception>
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public void AddEvent<T>() where T : IEvent, new()
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{
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if (!_mTypeEvents.TryAdd(typeof(T), new T()))
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{
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#pragma warning disable MA0015 // Preserve the public ArgumentException contract without inventing a fake parameter name.
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throw new ArgumentException($"Event type {typeof(T).Name} already registered.");
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#pragma warning restore MA0015
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}
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}
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/// <summary>
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/// 获取指定类型的事件实例
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/// </summary>
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/// <typeparam name="T">事件类型，必须实现IEasyEvent接口</typeparam>
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/// <returns>指定类型的事件实例，如果不存在则返回默认值</returns>
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public T GetEvent<T>() where T : IEvent
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{
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return _mTypeEvents.TryGetValue(typeof(T), out var e) ? (T)e : default!;
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}
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/// <summary>
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/// 获取指定类型的事件实例，如果不存在则创建并添加到事件字典中
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/// </summary>
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/// <typeparam name="T">事件类型，必须实现IEasyEvent接口且具有无参构造函数</typeparam>
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/// <returns>指定类型的事件实例</returns>
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public T GetOrAddEvent<T>() where T : IEvent, new()
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{
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return (T)_mTypeEvents.GetOrAdd(typeof(T), _ => new T());
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}
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}
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