Interface IntroductionAdvisor

All Superinterfaces:

Advisor, IntroductionInfo

All Known Implementing Classes:

DeclareParentsAdvisor, DefaultIntroductionAdvisor

public interface IntroductionAdvisor
extends Advisor, IntroductionInfo

Superinterface for advisors that perform one or more AOP introductions.

This interface cannot be implemented directly; subinterfaces must provide the advice type implementing the introduction.

Introduction is the implementation of additional interfaces (not implemented by a target) via AOP advice.

Since:

04.04.2003

Author:

Rod Johnson

See Also:

• IntroductionInterceptor

Field Summary

Fields inherited from interface Advisor

EMPTY_ADVICE

Method Summary

Modifier and Type	Method	Description
ClassFilter	getClassFilter()	Return the filter determining which target classes this introduction should apply to.
void	validateInterfaces()	Can the advised interfaces be implemented by the introduction advice? Invoked before adding an IntroductionAdvisor.

Methods inherited from interface Advisor

getAdvice, isPerInstance

Methods inherited from interface IntroductionInfo

getInterfaces

Method Details

getClassFilter

ClassFilter getClassFilter()

Return the filter determining which target classes this introduction should apply to.

This represents the class part of a pointcut. Note that method matching doesn't make sense to introductions.

Returns:

the class filter

validateInterfaces

void validateInterfaces()
                 throws IllegalArgumentException

Can the advised interfaces be implemented by the introduction advice? Invoked before adding an IntroductionAdvisor.

Throws:

IllegalArgumentException - if the advised interfaces can't be implemented by the introduction advice