public static IRepository <T> Create()
{
var decorated = new Repository <T>();
var proxy = DynamicProxy <IRepository <T> > .Create(decorated, new LoggerProxyActions());
return(proxy);
}
/// <summary>
/// 获取指定类型的动态代理
/// </summary>
/// <param name="genericType"></param>
/// <param name="serviceType"></param>
/// <returns></returns>
private object GetProxyService(Type genericType, Type serviceType)
{
object result = null;
Type proxyType = null;
object proxy = null;
if (genericType == typeof(IInvocation <>))
{
proxyType = serviceType.GetGenericArguments()[0];
proxy = DynamicProxy.Create(proxyType);
result = InvocationProxyFactory.CreateInvocation(proxyType, proxy);
}
else if (genericType == typeof(IInvocation <,>))
{
proxyType = serviceType.GetGenericArguments()[0];
var interceptorType = serviceType.GetGenericArguments()[1];
IMethodInterceptor methodInterceptor = (IMethodInterceptor)
_serviceProvider.GetRequiredService(interceptorType);
proxy = DynamicProxy.CreateWithInterceptor(proxyType, methodInterceptor);
result = InvocationProxyFactory.CreateInvocationWithInterceptor(proxyType, proxy, methodInterceptor);
}
return(result);
}
public static IRepository <T> Create <T>(IRepository <T> repo)
=> DynamicProxy <IRepository <T> > .Create(
repo,
before : (sender, info) => Console.WriteLine($"Before operation {info.Name}"),
after : (sender, info) => Console.WriteLine("After operation"),
error : (sender, info) => Console.WriteLine("Error"));