Type Interceptors

Type Interceptors

Castle.Core, part of the Castle Project, provides a method interception framework called “DynamicProxy.”git

The Autofac.Extras.DynamicProxy integration package enables method calls on Autofac components to be intercepted by other components. Common use-cases are transaction handling, logging, and declarative security. You can use Autofac.Extras.DynamicProxy2 for Autofac versions up to 4.0.0github

 

 

 builder.RegisterType<AdminWebProxyObject>().As<IAdminWebContract>().InstancePerLifetimeScope().EnableInterfaceInterceptors().InterceptedBy(typeof(BoAuditTraceInterceptor));ide

 

 

关于循环引用的问题

手动new的接口的实现类的实例,而后调用方法,不会触发interceptui

假设有接口IA和一个IInterceptor的实现ChuckIntercept。code

IA的实现经过autofac进行解析,在一个静态类B中。component

interface IA接口

{get

   string GetConnectionString();string

}it

class A : IA

{

}

class  B

{

public static IA InstanceA; //autofac负责resolve

}

 

ChuckIntercept : IIntercept

{

//若是在这里须要用到A里面的GetConnectionString方法

只能本身在这边new一个A的实例,不可使用autofac的解析,不然会循环触发intercept方法

}

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