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https://github.com/GeWuYou/GFramework.git
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c3376bf4d5
- 定义了IStorage接口提供同步和异步的数据存储操作功能 - 实现了基于文件系统的FileStorage类支持读写删除操作 - 添加了ScopedStorage包装器为存储键提供作用域前缀功能 - 创建了ISerializer接口并实现JsonSerializer使用Newtonsoft.Json - 在项目中引入Newtonsoft.Json包依赖
98 lines
3.4 KiB
C#
98 lines
3.4 KiB
C#
using GFramework.Core.Abstractions.storage;
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namespace GFramework.Game.storage;
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/// <summary>
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/// 提供带有作用域前缀的存储包装器，将所有键都加上指定的前缀
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/// </summary>
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/// <param name="inner">内部的实际存储实现</param>
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/// <param name="prefix">用于所有键的前缀字符串</param>
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public sealed class ScopedStorage(IStorage inner, string prefix) : IStorage
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{
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/// <summary>
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/// 检查指定键是否存在
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/// </summary>
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/// <param name="key">要检查的键</param>
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/// <returns>如果键存在则返回true，否则返回false</returns>
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public bool Exists(string key)
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=> inner.Exists(Key(key));
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/// <summary>
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/// 异步检查指定键是否存在
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/// </summary>
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/// <param name="key">要检查的键</param>
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/// <returns>如果键存在则返回true，否则返回false</returns>
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public Task<bool> ExistsAsync(string key)
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=> inner.ExistsAsync(Key(key));
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/// <summary>
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/// 读取指定键的值
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/// </summary>
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/// <typeparam name="T">要读取的值的类型</typeparam>
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/// <param name="key">要读取的键</param>
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/// <returns>键对应的值</returns>
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public T Read<T>(string key)
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=> inner.Read<T>(Key(key));
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/// <summary>
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/// 读取指定键的值，如果键不存在则返回默认值
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/// </summary>
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/// <typeparam name="T">要读取的值的类型</typeparam>
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/// <param name="key">要读取的键</param>
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/// <param name="defaultValue">当键不存在时返回的默认值</param>
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/// <returns>键对应的值或默认值</returns>
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public T Read<T>(string key, T defaultValue)
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=> inner.Read(Key(key), defaultValue);
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/// <summary>
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/// 异步读取指定键的值
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/// </summary>
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/// <typeparam name="T">要读取的值的类型</typeparam>
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/// <param name="key">要读取的键</param>
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/// <returns>键对应的值的任务</returns>
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public Task<T> ReadAsync<T>(string key)
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=> inner.ReadAsync<T>(Key(key));
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/// <summary>
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/// 写入指定键值对
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/// </summary>
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/// <typeparam name="T">要写入的值的类型</typeparam>
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/// <param name="key">要写入的键</param>
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/// <param name="value">要写入的值</param>
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public void Write<T>(string key, T value)
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=> inner.Write(Key(key), value);
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/// <summary>
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/// 异步写入指定键值对
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/// </summary>
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/// <typeparam name="T">要写入的值的类型</typeparam>
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/// <param name="key">要写入的键</param>
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/// <param name="value">要写入的值</param>
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public Task WriteAsync<T>(string key, T value)
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=> inner.WriteAsync(Key(key), value);
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/// <summary>
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/// 删除指定键
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/// </summary>
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/// <param name="key">要删除的键</param>
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public void Delete(string key)
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=> inner.Delete(Key(key));
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/// <summary>
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/// 为给定的键添加前缀
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/// </summary>
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/// <param name="key">原始键</param>
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/// <returns>添加前缀后的键</returns>
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private string Key(string key)
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=> string.IsNullOrEmpty(prefix)
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? key
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: $"{prefix}/{key}";
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/// <summary>
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/// 创建一个新的作用域存储实例
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/// </summary>
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/// <param name="scope">新的作用域名称</param>
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/// <returns>新的作用域存储实例</returns>
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public IStorage Scope(string scope)
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=> new ScopedStorage(inner, Key(scope));
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} |