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- 增加 FreeSql.Internal.Utils.TypeHandlers 自定义类型映射；

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This commit is contained in:
2881099
2023-08-28 18:59:33 +08:00
parent d6823b6a21
commit 0d0e49fea9
7 changed files with 149 additions and 120 deletions
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1
FreeSql/Internal/FreeSqlBuilderTypes.cs
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@@ -78,5 +78,4 @@ namespace FreeSql.Internal
/// </summary>
ToLower
}
}

26
FreeSql/Internal/Model/TypeHandler.cs Normal file
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@@ -0,0 +1,26 @@
using FreeSql.Internal.Model.Interface;
using System;
using System.Collections.Generic;
using System.Text;
namespace FreeSql.Internal.Model
{
namespace Interface
{
public interface ITypeHandler
{
Type Type { get; }
object Deserialize(object value);
object Serialize(object value);
}
}
public abstract class TypeHandler<T> : ITypeHandler
{
public abstract T Deserialize(object value);
public abstract object Serialize(T value);
public Type Type => typeof(T);
object ITypeHandler.Deserialize(object value) => this.Deserialize(value);
object ITypeHandler.Serialize(object value) => this.Serialize((T)value);
}
}

7
FreeSql/Internal/UtilsExpressionTree.cs
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@@ -1,5 +1,6 @@
using FreeSql.DataAnnotations;
using FreeSql.Internal.Model;
using FreeSql.Internal.Model.Interface;
using System;
using System.Collections;
using System.Collections.Concurrent;
@@ -2170,6 +2171,8 @@ namespace FreeSql.Internal
static MethodInfo MethodGuidToBytes = typeof(Utils).GetMethod("GuidToBytes", BindingFlags.Public | BindingFlags.Static, null, new[] { typeof(Guid) }, null);
static MethodInfo MethodBytesToGuid = typeof(Utils).GetMethod("BytesToGuid", BindingFlags.Public | BindingFlags.Static, null, new[] { typeof(byte[]) }, null);
public static ConcurrentDictionary<Type, ITypeHandler> TypeHandlers { get; } = new ConcurrentDictionary<Type, ITypeHandler>();
public static ConcurrentBag<Func<LabelTarget, Expression, Type, Expression>> GetDataReaderValueBlockExpressionSwitchTypeFullName = new ConcurrentBag<Func<LabelTarget, Expression, Type, Expression>>();
public static ConcurrentBag<Func<LabelTarget, Expression, Expression, Type, Expression>> GetDataReaderValueBlockExpressionObjectToStringIfThenElse = new ConcurrentBag<Func<LabelTarget, Expression, Expression, Type, Expression>>();
public static ConcurrentBag<Func<LabelTarget, Expression, Expression, Type, Expression>> GetDataReaderValueBlockExpressionObjectToBytesIfThenElse = new ConcurrentBag<Func<LabelTarget, Expression, Expression, Type, Expression>>();
@@ -2562,7 +2565,9 @@ namespace FreeSql.Internal
{
//if (value == null || value == DBNull.Value) return Activator.CreateInstance(type);
if (type == null) return value;
var func = _dicGetDataReaderValue.GetOrAdd(type, k1 => new ConcurrentDictionary<Type, Func<object, object>>()).GetOrAdd(value?.GetType() ?? type, valueType =>
var valueType = value?.GetType() ?? type;
if (TypeHandlers.TryGetValue(valueType, out var typeHandler)) return typeHandler.Serialize(value);
var func = _dicGetDataReaderValue.GetOrAdd(type, k1 => new ConcurrentDictionary<Type, Func<object, object>>()).GetOrAdd(valueType, valueType2 =>
{
var parmExp = Expression.Parameter(typeof(object), "value");
var exp = GetDataReaderValueBlockExpression(type, parmExp);