【发布时间】:2014-05-09 00:01:51
【问题描述】:
我将Castle.DynamicProxy 用于AOP。我的 IoC 容器是 Ninject 3.2,在它返回已解析的依赖项后,我将它们中的大部分放入基于 Castle 的包装器中。 (我不能使用Ninject.Extensions.Interception,因为它与Ninject.Extensions.Conventions for NInject 3.0.1.0/3.2 冲突)
问题是我的代码依赖于每天都在变化的二进制文件(签名程序集)(我的代码是一堆产品的测试框架)。如果程序集带有新版本,Castle 开始抛出异常“There was an error in static constructor on type Castle.Proxies.[MyClassName]Proxy. This is likely a bug in DynamicProxy. Please report it.".
我的 Castle 代码:
internal static T ResolveAndProxify<T>(object[] arguments, params IParameter[] parameters) where T : class
{
var objectToProxy = default(T);
if (null == parameters || 0 == parameters.Length) {
objectToProxy = _kernel.Get<T>(new IParameter[] {});
} else {
objectToProxy = _kernel.Get<T>(parameters);
}
if (/* condition not to proxify */) {
return objectToProxy;
} else {
if (null == arguments || 0 == arguments.Length) {
return (T)_proxyGenerator.CreateClassProxy(
typeof(T),
new LoggingAspect(), new ErrorHandlingAspect());
} else {
return (T)_proxyGenerator.CreateClassProxy(
typeof(T),
arguments,
new LoggingAspect(), new ErrorHandlingAspect());
}
}
}
如果我关闭 Castle,一切正常:
internal static T ResolveAndProxify<T>(object[] arguments, params IParameter[] parameters) where T : class
{
var objectToProxy = default(T);
if (null == parameters || 0 == parameters.Length) {
objectToProxy = _kernel.Get<T>(new IParameter[] {});
} else {
objectToProxy = _kernel.Get<T>(parameters);
}
return objectToProxy;
}
Castle 组件的声明和创建:
private static readonly ProxyGenerator _proxyGenerator;
// I tried several ways
var scope = new ModuleScope(false, true);
var proxyBuilder = new DefaultProxyBuilder(scope);
var proxyArgument = new ConstructorArgument("builder", proxyBuilder);
_proxyGenerator = _kernel.Get<ProxyGenerator>(proxyArgument);
Bind<ProxyGenerator>().ToConstructor(arg => new ProxyGenerator(arg.Inject<IProxyBuilder()));
我在stackoverflow.com这里看到了一个示例(在 cmets 中),对于 Castle Windsor,如何关闭缓存或将 Castle 与确切版本的程序集联系起来的东西。没有Castle Windsor怎么办?
【问题讨论】:
-
我也尝试过here 设置代理生成器 - 同样的问题。
_proxyGenerator = new ProxyGenerator(true);
标签: c# aop interceptor castle-dynamicproxy