/// <summary>
/// 重写的方法
/// </summary>
/// <param name="optionsBuilder"></param>
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
base.OnConfiguring(optionsBuilder);
var useDic = ConcurrentTypeDelDic.GetDic();
var thisType = this.GetType();
//使用委托
if (useDic.Contains(thisType))
{
var tempPacker = useDic.Get(thisType);
tempPacker.UseOnConfig?.Invoke(optionsBuilder);
}
}
/// <summary>
/// 重写的方法
/// </summary>
/// <param name="modelBuilder"></param>
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
var useDic = ConcurrentTypeDelDic.GetDic();
var thisType = this.GetType();
//使用委托
if (useDic.Contains(thisType))
{
var tempPacker = useDic.Get(thisType);
tempPacker.UseOnModelCreating?.Invoke(modelBuilder);
}
}
/// <summary>
/// 制造上下文类型底层方法
/// </summary>
/// <param name="useOneConfiguringDle">使用的定义委托</param>
/// <param name="useOneMdoleCreatingDel">使用的模型定义委托</param>
/// <param name="useKeyFilter">使用的Key值过滤器</param>
/// <param name="useBaseType">使用的代理类基类</param>
/// <returns>>创建的上下文类型</returns>
private static Type CreatContextType
( OnModelCreatingDel useOneMdoleCreatingDel, IKEYFilter useKeyFilter, Type useBaseType)
{
List<Type> lstEntityTypes = new List<Type>();
List<Type> lstTempType;
//加载当前应用程序域的所有程序集
foreach (var oneAssembliy in AppDomain.CurrentDomain.GetAssemblies())
{
lstTempType = null;
//尝试获取所有类型对象
try
{
lstTempType = oneAssembliy.GetTypes().ToList();
}
catch (Exception)
{
lstTempType = new List<Type>();
}
//寻找public的设置自动Entity的类型
foreach (var oneType in lstTempType)
{
AutoEntityAttribute tempAttribute = oneType.GetCustomAttribute(typeof(AutoEntityAttribute), false) as AutoEntityAttribute;
if (oneType.IsClass && oneType.IsPublic
&& null != tempAttribute)
{
//使用Key过滤器过滤
if (null != useKeyFilter)
{
var tempString = tempAttribute.Key;
//若需过滤则跳过
if (false == useKeyFilter.IfUse(tempString))
{
continue;
}
}
lstEntityTypes.Add(oneType);
}
}
}
//制造context代理对象
ContextEmitUtility tempUseEmitUtility = new ContextEmitUtility(m_strUseContextAssembly, m_strUseContext, lstEntityTypes);
var returnValue = tempUseEmitUtility.EmiteContextType(useBaseType);
if (null != returnValue)
{
//获取全局字典
ConcurrentTypeDelDic useDic = ConcurrentTypeDelDic.GetDic();
//制作临时封装
EFDelPacker tempPacker = new EFDelPacker() {UseOnModelCreating = useOneMdoleCreatingDel };
//添加到字典
useDic.Add(returnValue, tempPacker);
}
return returnValue;
}