mirror of
https://github.com/GeWuYou/GFramework.git
synced 2026-03-22 19:03:29 +08:00
ce6cb3f8df
- 将Register方法返回类型从void改为IStateMachine - 将Unregister方法返回类型从void改为IStateMachine - 在实现类中添加return this语句 - 更新接口定义以匹配新的返回类型 - 实现链式调用功能提升API易用性
84 lines
2.7 KiB
C#
84 lines
2.7 KiB
C#
using System;
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using System.Collections.Generic;
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namespace GFramework.Core.Abstractions.state;
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/// <summary>
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/// 状态机接口，用于管理状态的注册、切换和验证
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/// </summary>
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public interface IStateMachine
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{
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/// <summary>
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/// 获取当前激活的状态
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/// </summary>
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IState? Current { get; }
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/// <summary>
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/// 注册一个状态到状态机中
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/// </summary>
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/// <param name="state">要注册的状态实例</param>
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IStateMachine Register(IState state);
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/// <summary>
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/// 从状态机中注销指定类型的状态
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/// </summary>
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/// <typeparam name="T">要注销的状态类型，必须实现IState接口</typeparam>
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IStateMachine Unregister<T>() where T : IState;
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/// <summary>
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/// 检查是否可以切换到指定类型的状态
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/// </summary>
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/// <typeparam name="T">目标状态类型，必须实现IState接口</typeparam>
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/// <returns>如果可以切换则返回true，否则返回false</returns>
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bool CanChangeTo<T>() where T : IState;
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/// <summary>
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/// 切换到指定类型的状态
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/// </summary>
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/// <typeparam name="T">要切换到的状态类型，必须实现IState接口</typeparam>
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/// <returns>如果成功切换则返回true，否则返回false</returns>
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bool ChangeTo<T>() where T : IState;
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/// <summary>
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/// 检查指定类型的状态是否已注册
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/// </summary>
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/// <typeparam name="T">要检查的状态类型</typeparam>
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/// <returns>如果状态已注册则返回true，否则返回false</returns>
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bool IsRegistered<T>() where T : IState;
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/// <summary>
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/// 获取指定类型的已注册状态实例
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/// </summary>
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/// <typeparam name="T">要获取的状态类型</typeparam>
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/// <returns>如果状态存在则返回对应实例，否则返回null</returns>
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T? GetState<T>() where T : class, IState;
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/// <summary>
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/// 获取所有已注册状态的类型集合
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/// </summary>
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/// <returns>包含所有已注册状态类型的枚举器</returns>
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IEnumerable<Type> GetRegisteredStateTypes();
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/// <summary>
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/// 获取上一个状态
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/// </summary>
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/// <returns>如果历史记录存在则返回上一个状态，否则返回null</returns>
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IState? GetPreviousState();
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/// <summary>
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/// 获取状态历史记录
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/// </summary>
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/// <returns>状态历史记录的只读副本</returns>
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IReadOnlyList<IState> GetStateHistory();
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/// <summary>
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/// 回退到上一个状态
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/// </summary>
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/// <returns>如果成功回退则返回true，否则返回false</returns>
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bool GoBack();
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/// <summary>
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/// 清空状态历史记录
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/// </summary>
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void ClearHistory();
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} |