接口 IntroductionInterceptor

public interface IntroductionInterceptor
extends MethodInterceptor, DynamicIntroductionAdvice

Subinterface of AOP Alliance MethodInterceptor that allows additional interfaces to be implemented by the interceptor, and available via a proxy using that interceptor. This is a fundamental AOP concept called introduction.

Introductions are often mixins, enabling the building of composite objects that can achieve many of the goals of multiple inheritance in Java.