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ReflectionExtendHelper.cs
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346 lines (329 loc) · 14.9 KB
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/*
* 作用：通过缓存优化反射获取类/属性值特性数据。
* */
using System;
using System.Collections.Generic;
using System.Reflection;
namespace Helper.Core.Library
{
public class ReflectionExtendHelper
{
#region 私有属性常量
private const string TYPE_ATTRIBUTE_FORMAT = "{0}_{1}";
private const string PROPERTY_ATTRIBUTE_FORMAT = "{0}_{1}_{2}";
private const string GET_TYPE_CALL_FORMAT = "Get_{0}_{1}";
private const string SET_TYPE_CALL_FORMAT = "Set_{0}_{1}";
private const string GET_NAME_CALL_FORMAT = "Get_{0}_{1}_{2}";
private const string SET_NAME_CALL_FORMAT = "Set_{0}_{1}_{2}";
/// <summary>
/// Lock 对象
/// </summary>
private static readonly object lockItem = new object();
/// <summary>
/// Type 特性集合
/// </summary>
private static readonly Dictionary<string, dynamic> TypeAttributeDict = new Dictionary<string, dynamic>();
/// <summary>
/// 属性特性集合
/// </summary>
private static readonly Dictionary<string, dynamic> PropertyAttributeDict = new Dictionary<string, dynamic>();
/// <summary>
/// Type 属性委托集合
/// </summary>
private static readonly Dictionary<string, dynamic> PropertyTypeCallDict = new Dictionary<string, dynamic>();
/// <summary>
/// 属性委托集合
/// </summary>
private static readonly Dictionary<string, dynamic> PropertyCallDict = new Dictionary<string, dynamic>();
#endregion
#region 对外公开方法
#region 获取特性
/// <summary>
/// 获取类的特性数据
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="type">Type</param>
/// <param name="lambda">特性属性值，例：p=>p.Name</param>
/// <returns></returns>
public static dynamic GetAttributeValue<T>(Type type, Func<T, object> lambda) where T : Attribute
{
string key = string.Format(TYPE_ATTRIBUTE_FORMAT, type.FullName, typeof(T).Name);
if (TypeAttributeDict.ContainsKey(key))
{
T attribute = TypeAttributeDict[key];
if(attribute != null) return lambda(attribute);
return null;
}
lock (lockItem)
{
T attribute = type.GetCustomAttribute<T>();
if (!TypeAttributeDict.ContainsKey(key))
{
TypeAttributeDict.Add(key, attribute);
if(attribute != null) return lambda(attribute);
}
return null;
}
}
/// <summary>
/// 获取类属性的特性数据
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="type">Type</param>
/// <param name="propertyName">属性名称</param>
/// <param name="lambda">特性属性值，例：p=>p.Name</param>
/// <returns></returns>
public static dynamic GetAttributeValue<T>(Type type, string propertyName, Func<T, object> lambda) where T : Attribute
{
return GetAttributeValue<T>(type, type.GetProperty(propertyName), lambda);
}
/// <summary>
/// 获取类属性的特性数据
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="type">Type</param>
/// <param name="propertyInfo">PropertyInfo</param>
/// <param name="lambda">特性属性值，例：p=>p.Name</param>
/// <returns></returns>
public static dynamic GetAttributeValue<T>(Type type, PropertyInfo propertyInfo, Func<T, object> lambda) where T : Attribute
{
string key = string.Format(PROPERTY_ATTRIBUTE_FORMAT, type.FullName, propertyInfo.Name, typeof(T).Name);
if (PropertyAttributeDict.ContainsKey(key))
{
T attribute = PropertyAttributeDict[key];
if (attribute != null) return lambda(attribute);
return null;
}
lock (lockItem)
{
T attribute = propertyInfo.GetCustomAttribute<T>();
if (!PropertyAttributeDict.ContainsKey(key))
{
PropertyAttributeDict.Add(key, attribute);
if(attribute != null) return lambda(attribute);
}
return null;
}
}
#endregion
#region 获取委托
/// <summary>
/// 获取类属性的获取值委托
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="propertyName">属性名称</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertyGetCall<T>(string propertyName, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression) where T : class
{
Type type = typeof(T);
return ExecutePropertyGetCall(type, propertyName, () =>
{
return ReflectionGenericHelper.PropertyGetCall<T>(type.GetProperty(propertyName), reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的获取值委托
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="propertyInfo">PropertyInfo</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertyGetCall<T>(PropertyInfo propertyInfo, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression) where T : class
{
Type type = typeof(T);
return ExecutePropertyGetCall(type, propertyInfo.Name, () =>
{
return ReflectionGenericHelper.PropertyGetCall<T>(propertyInfo, reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的获取值委托
/// </summary>
/// <param name="type">Type</param>
/// <param name="propertyName">属性名称</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertyGetCall(Type type, string propertyName, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
return ExecutePropertyGetCall(type, propertyName, () =>
{
return ReflectionGenericHelper.PropertyGetCall(type, type.GetProperty(propertyName), reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的获取值委托
/// </summary>
/// <param name="type">Type</param>
/// <param name="propertyInfo">PropertyInfo</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertyGetCall(Type type, PropertyInfo propertyInfo, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
return ExecutePropertyGetCall(type, propertyInfo.Name, () =>
{
return ReflectionGenericHelper.PropertyGetCall(type, propertyInfo, reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的设置值委托
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="propertyName">属性名称</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertySetCall<T>(string propertyName, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression) where T : class
{
Type type = typeof(T);
return ExecutePropertySetCall(type, propertyName, () =>
{
return ReflectionGenericHelper.PropertySetCall<T>(type.GetProperty(propertyName), reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的设置值委托
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="propertyInfo">PropertyInfo</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertySetCall<T>(PropertyInfo propertyInfo, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression) where T : class
{
Type type = typeof(T);
return ExecutePropertySetCall(type, propertyInfo.Name, () =>
{
return ReflectionGenericHelper.PropertySetCall<T>(propertyInfo, reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的设置值委托
/// </summary>
/// <param name="type">Type</param>
/// <param name="propertyName">属性名称</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertySetCall(Type type, string propertyName, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
return ExecutePropertySetCall(type, propertyName, () =>
{
return ReflectionGenericHelper.PropertySetCall(type, type.GetProperty(propertyName), reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的设置值委托
/// </summary>
/// <param name="type">Type</param>
/// <param name="propertyInfo">PropertyInfo</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertySetCall(Type type, PropertyInfo propertyInfo, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
return ExecutePropertySetCall(type, propertyInfo.Name, () =>
{
return ReflectionGenericHelper.PropertySetCall(type, propertyInfo, reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的获取值委托列表
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertyGetCallDict<T>(ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression) where T : class
{
Type type = typeof(T);
return ExecutePropertyGetCall(type, () =>
{
return ReflectionGenericHelper.PropertyGetCallDict<T>(reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的获取值委托列表
/// </summary>
/// <param name="type">Type</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertyGetCallDict(Type type, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
return ExecutePropertyGetCall(type, () =>
{
return ReflectionGenericHelper.PropertyGetCallDict(type, reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的设置值委托列表
/// </summary>
/// <typeparam name="T">实体类型</typeparam>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertySetCallDict<T>(ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression) where T : class
{
Type type = typeof(T);
return ExecutePropertySetCall(type, () =>
{
return ReflectionGenericHelper.PropertySetCallDict<T>(reflectionType);
}, reflectionType);
}
/// <summary>
/// 获取类属性的设置值委托列表
/// </summary>
/// <param name="type">Type</param>
/// <param name="reflectionType">反射类型</param>
/// <returns></returns>
public static dynamic PropertySetCallDict(Type type, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
return ExecutePropertySetCall(type, () =>
{
return ReflectionGenericHelper.PropertySetCallDict(type, reflectionType);
}, reflectionType);
}
#endregion
#endregion
#region 逻辑处理私有函数
private static dynamic ExecutePropertyGetCall(Type type, Func<dynamic> callback, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
string key = string.Format(GET_TYPE_CALL_FORMAT, type.FullName, reflectionType.ToString());
if (PropertyTypeCallDict.ContainsKey(key)) return PropertyTypeCallDict[key];
lock (lockItem)
{
dynamic callDict = callback();
if (!PropertyTypeCallDict.ContainsKey(key)) PropertyTypeCallDict.Add(key, callDict);
return callDict;
}
}
private static dynamic ExecutePropertyGetCall(Type type, string propertyName, Func<dynamic> callback, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
string key = string.Format(GET_NAME_CALL_FORMAT, type.FullName, propertyName, reflectionType.ToString());
if (PropertyCallDict.ContainsKey(key)) return PropertyCallDict[key];
lock (lockItem)
{
dynamic call = callback();
if (!PropertyCallDict.ContainsKey(key)) PropertyCallDict.Add(key, call);
return call;
}
}
private static dynamic ExecutePropertySetCall(Type type, Func<dynamic> callback, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
string key = string.Format(SET_TYPE_CALL_FORMAT, type.FullName, reflectionType.ToString());
if (PropertyTypeCallDict.ContainsKey(key)) return PropertyTypeCallDict[key];
lock (lockItem)
{
dynamic callDict = callback();
if (!PropertyTypeCallDict.ContainsKey(key)) PropertyTypeCallDict.Add(key, callDict);
return callDict;
}
}
private static dynamic ExecutePropertySetCall(Type type, string propertyName, Func<dynamic> callback, ReflectionTypeEnum reflectionType = ReflectionTypeEnum.Expression)
{
string key = string.Format(SET_NAME_CALL_FORMAT, type.FullName, propertyName, reflectionType.ToString());
if (PropertyCallDict.ContainsKey(key)) return PropertyCallDict[key];
lock (lockItem)
{
dynamic call = callback();
if (!PropertyCallDict.ContainsKey(key)) PropertyCallDict.Add(key, call);
return call;
}
}
#endregion
}
}