FreeSql/FreeSql.Repository/IFreeSqlExtenssions.cs
28810 428220e754 ## v0.1.13
- 修改 连接池内部 Ping Timeout 值暂定 5秒;
- 优化 初始化时若数据库超时,则放弃预热;
- FreeSql.Repository 下增加 ISelect.FromRepository 扩展方法,实现分表的多表查询;
- 增加 FreeSql.Repository Autofac 泛型注入,可利用实现全局过滤+分表分库;
- 补充 GuidRepository 插入数据时,根据 filter 参数设定进行数据验证;
2019-03-09 02:58:23 +08:00

57 lines
2.5 KiB
C#

using FreeSql;
using System;
using System.Collections.Generic;
using System.Collections.Concurrent;
using System.Text;
using System.Linq.Expressions;
public static class IFreeSqlExtenssions {
/// <summary>
/// 返回默认仓库类
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <typeparam name="TKey"></typeparam>
/// <param name="that"></param>
/// <param name="filter">数据过滤 + 验证</param>
/// <returns></returns>
public static DefaultRepository<TEntity, TKey> GetRepository<TEntity, TKey>(this IFreeSql that, Expression<Func<TEntity, bool>> filter = null) where TEntity : class {
if (filter != null) return new DefaultRepository<TEntity, TKey>(that, filter);
return dicGetRepository
.GetOrAdd(typeof(TEntity), key1 => new ConcurrentDictionary<Type, IRepository>())
.GetOrAdd(typeof(TKey), key2 => new DefaultRepository<TEntity, TKey>(that, null)) as DefaultRepository<TEntity, TKey>;
}
static ConcurrentDictionary<Type,
ConcurrentDictionary<Type,
IRepository>
> dicGetRepository = new ConcurrentDictionary<Type, ConcurrentDictionary<Type, IRepository>>();
/// <summary>
/// 返回仓库类,适用 Insert 方法无须返回插入的数据
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="that"></param>
/// <param name="filter">数据过滤 + 验证</param>
/// <param name="asTable">分表规则,参数:旧表名;返回:新表名 https://github.com/2881099/FreeSql/wiki/Repository</param>
/// <returns></returns>
public static GuidRepository<TEntity> GetGuidRepository<TEntity>(this IFreeSql that, Expression<Func<TEntity, bool>> filter = null, Func<string, string> asTable = null) where TEntity : class {
if (filter != null || asTable != null) return new GuidRepository<TEntity>(that, filter, asTable);
return dicGetGuidRepository
.GetOrAdd(typeof(TEntity), key1 => new GuidRepository<TEntity>(that, null, null)) as GuidRepository<TEntity>;
}
static ConcurrentDictionary<Type, IRepository> dicGetGuidRepository = new ConcurrentDictionary<Type, IRepository>();
/// <summary>
/// 合并两个仓储的设置,以便查询
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <typeparam name="T2"></typeparam>
/// <param name="that"></param>
/// <param name="repos"></param>
/// <returns></returns>
public static ISelect<TEntity> FromRepository<TEntity, T2>(this ISelect<TEntity> that, BaseRepository<T2> repos) where TEntity : class where T2 : class {
return that.AsTable(repos.AsTableSelectInternal).Where<T2>(repos.FilterInternal);
}
}