public InterceptorWrapperCollection(Type classType, Type proxyType)
{
if (classType == null)
{
throw new ArgumentNullException(nameof(classType));
}
if (proxyType == null)
{
throw new ArgumentNullException(nameof(proxyType));
}
_wrappers = new Dictionary <int, InterceptorWrapper>();
SetClassInterceptors(_wrappers, classType);
var nonInterceptAttribute = typeof(NonInterceptAttribute);
foreach (var methodHandle in HandleCollection.GetHandles(proxyType.MetadataToken))
{
var method = MethodBase.GetMethodFromHandle(methodHandle);
if (!method.IsDefined(nonInterceptAttribute))
{
var(callingMethodInterceptors, calledMethodInterceptors, exceptionInterceptor) = GetMemberInterceptors(method);
_wrappers.Add(method.MetadataToken, new InterceptorWrapper
{
CallingInterceptors = new List <ICallingInterceptor>(callingMethodInterceptors),
CalledInterceptors = new List <ICalledInterceptor>(calledMethodInterceptors),
ExceptionInterceptor = exceptionInterceptor
});
}
}
}
public InterceptorWrapperCollection(Type interfaceType, Type classType, Type proxyType)
{
if (interfaceType == null)
{
throw new ArgumentNullException(nameof(interfaceType));
}
if (classType == null)
{
throw new ArgumentNullException(nameof(classType));
}
if (proxyType == null)
{
throw new ArgumentNullException(nameof(proxyType));
}
_wrappers = new Dictionary <int, InterceptorWrapper>();
SetClassInterceptors(_wrappers, classType);
if (!interfaceType.IsDefined(typeof(NonInterceptAttribute)))
{
var(callingInterceptors, calledInterceptors) = GetMemberInterceptorsWithoutException(interfaceType);
if (_wrappers.ContainsKey(0))
{
_wrappers[0].CallingInterceptors.AddRange(callingInterceptors);
_wrappers[0].CalledInterceptors.AddRange(calledInterceptors);
if (_wrappers[0].ExceptionInterceptor == null)
{
_wrappers[0].ExceptionInterceptor = interfaceType.GetCustomAttribute <ExceptionInterceptAttribute>();
}
}
else
{
_wrappers.Add(0, new InterceptorWrapper
{
CallingInterceptors = new List <ICallingInterceptor>(callingInterceptors),
CalledInterceptors = new List <ICalledInterceptor>(calledInterceptors),
ExceptionInterceptor = interfaceType.GetCustomAttribute <ExceptionInterceptAttribute>()
});
}
}
var nonInterceptAttribute = typeof(NonInterceptAttribute);
var interfaceMethods = interfaceType.GetMethods(
BindingFlags.Public |
BindingFlags.Instance |
BindingFlags.DeclaredOnly
);
foreach (var methodHandle in HandleCollection.GetHandles(proxyType.MetadataToken))
{
var method = MethodBase.GetMethodFromHandle(methodHandle);
if (!method.IsDefined(nonInterceptAttribute))
{
var(callingMethodInterceptors, calledMethodInterceptors, exceptionMethodInterceptor) = GetMemberInterceptors(method);
var wrapper = new InterceptorWrapper
{
CallingInterceptors = new List <ICallingInterceptor>(callingMethodInterceptors),
CalledInterceptors = new List <ICalledInterceptor>(calledMethodInterceptors),
ExceptionInterceptor = exceptionMethodInterceptor
};
foreach (var interfaceMethod in interfaceMethods)
{
if (method.Name == interfaceMethod.Name || method.Name == interfaceType.FullName + "." + interfaceMethod.Name)
{
var(callingInterfaceMethodInterceptors, calledInterfaceMethodInterceptors) =
GetMemberInterceptorsWithoutException(interfaceMethod);
wrapper.CallingInterceptors.AddRange(callingInterfaceMethodInterceptors);
wrapper.CalledInterceptors.AddRange(calledInterfaceMethodInterceptors);
if (wrapper.ExceptionInterceptor == null) // 接口方法的优先级较低
{
wrapper.ExceptionInterceptor = interfaceMethod.GetCustomAttribute <ExceptionInterceptAttribute>();
}
break;
}
}
_wrappers.Add(method.MetadataToken, wrapper);
}
}
}
