代理被创建,并且拦截器是__interceptors阵中,但拦截器永远不会被调用
-
27-09-2019 - |
题
这是我第一次用拦截器与流畅的登记和我想的东西。用下面的登记,我可以解决一个IProcessingStep,这是一个代理类和拦截是__interceptors阵中,但由于某些原因,拦截器不被调用。任何想法,我缺少的是什么?
谢谢, 德鲁
AllTypes.Of<IProcessingStep>()
.FromAssembly(Assembly.GetExecutingAssembly())
.ConfigureFor<IProcessingStep>(c => c
.Unless(Component.ServiceAlreadyRegistered)
.LifeStyle.PerThread
.Interceptors(InterceptorReference.ForType<StepLoggingInterceptor>()).First
),
Component.For<StepMonitorInterceptor>(),
Component.For<StepLoggingInterceptor>(),
Component.For<StoreInThreadInterceptor>()
public abstract class BaseStepInterceptor : IInterceptor
{
public void Intercept(IInvocation invocation)
{
IProcessingStep processingStep = (IProcessingStep)invocation.InvocationTarget;
Command cmd = (Command)invocation.Arguments[0];
OnIntercept(invocation, processingStep, cmd);
}
protected abstract void OnIntercept(IInvocation invocation, IProcessingStep processingStep, Command cmd);
}
public class StepLoggingInterceptor : BaseStepInterceptor
{
private readonly ILogger _logger;
public StepLoggingInterceptor(ILogger logger)
{
_logger = logger;
}
protected override void OnIntercept(IInvocation invocation, IProcessingStep processingStep, Command cmd)
{
_logger.TraceFormat("<{0}> for cmd:<{1}> - begin", processingStep.StepType, cmd.Id);
bool exceptionThrown = false;
try
{
invocation.Proceed();
}
catch
{
exceptionThrown = true;
throw;
}
finally
{
_logger.TraceFormat("<{0}> for cmd:<{1}> - end <{2}> times:<{3}>",
processingStep.StepType, cmd.Id,
!exceptionThrown && processingStep.CompletedSuccessfully
? "succeeded" : "failed",
cmd.CurrentMetric==null ? "{null}" : cmd.CurrentMetric.ToString());
}
}
}
解决方案
由于毛腹地你似乎是注册您的部件为一类服务,而不是接口服务。在这种情况下,除非方法你拦截是虚拟的,你将无法拦截它。你的注册更改为:
AllTypes.FromAssembly(Assembly.GetExecutingAssembly())
.BasedOn<IProcessingStep>()
.ConfigureFor<IProcessingStep>(c => c
.Unless(Component.ServiceAlreadyRegistered)
.LifeStyle.PerThread
.Interceptors(InterceptorReference.ForType<StepLoggingInterceptor>()).First
).WithService.Base(),
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