org.springframework.aop.support
Class DefaultIntroductionAdvisor

java.lang.Object
  org.springframework.aop.support.DefaultIntroductionAdvisor

All Implemented Interfaces:

Advisor, ClassFilter, IntroductionAdvisor

public class DefaultIntroductionAdvisor

extends java.lang.Object

implements IntroductionAdvisor, ClassFilter

Simple IntroductionAdvisor implementation that by default applies to any class.

Since:

11-Nov-2003

Version:

$Id: DefaultIntroductionAdvisor.java,v 1.3 2004/03/19 16:54:39 johnsonr Exp $

Author:

Rod Johnson

Field Summary

Fields inherited from interface org.springframework.aop.ClassFilter

TRUE

Constructor Summary

DefaultIntroductionAdvisor(DelegatingIntroductionInterceptor dii)
Wrap this interceptor and introduce all interfaces.

DefaultIntroductionAdvisor(IntroductionInterceptor interceptor)

DefaultIntroductionAdvisor(IntroductionInterceptor interceptor, java.lang.Class clazz)

Method Summary

void	addInterface(java.lang.Class intf)
org.aopalliance.aop.Advice	getAdvice() Return the advice part of this aspect.
ClassFilter	getClassFilter()
java.lang.Class[]	getInterfaces()
boolean	isPerInstance() Default for an introduction is per-instance interception.
boolean	matches(java.lang.Class clazz) Should the pointcut apply to the given interface or target class?
void	validateInterfaces() Can the advised interfaces be implemented by the introduction advice? Invoked before adding an IntroductionAdvisor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultIntroductionAdvisor

public DefaultIntroductionAdvisor(IntroductionInterceptor interceptor)

DefaultIntroductionAdvisor

public DefaultIntroductionAdvisor(IntroductionInterceptor interceptor,
                                  java.lang.Class clazz)
                           throws AopConfigException

DefaultIntroductionAdvisor

public DefaultIntroductionAdvisor(DelegatingIntroductionInterceptor dii)

Wrap this interceptor and introduce all interfaces.

Method Detail

addInterface

public void addInterface(java.lang.Class intf)
                  throws AopConfigException

Throws:

AopConfigException

getClassFilter

public ClassFilter getClassFilter()

Specified by:

getClassFilter in interface IntroductionAdvisor

Returns:

the filter determining which target classes this introduction should apply to. The class part of a pointcut. Note that method matching doesn't make sense to introductions.

getAdvice

public org.aopalliance.aop.Advice getAdvice()

Description copied from interface: Advisor

Return the advice part of this aspect. An advice may be an interceptor, a throws advice, before advice etc.
Spring supports user-defined advice, via the org.springframework.aop.adapter package.

Specified by:

getAdvice in interface Advisor

Returns:

the advice that should apply if the pointcut matches

getInterfaces

public java.lang.Class[] getInterfaces()

Specified by:

getInterfaces in interface IntroductionAdvisor

Returns:

the additional interfaces introduced by this Advisor

matches

public boolean matches(java.lang.Class clazz)

Description copied from interface: ClassFilter

Should the pointcut apply to the given interface or target class?

Specified by:

matches in interface ClassFilter

Parameters:

clazz - candidate target class

Returns:

whether the advice should apply to this candidate target class

isPerInstance

public boolean isPerInstance()

Default for an introduction is per-instance interception.

Specified by:

isPerInstance in interface Advisor

validateInterfaces

public void validateInterfaces()
                        throws AopConfigException

Description copied from interface: IntroductionAdvisor

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

Specified by:

validateInterfaces in interface IntroductionAdvisor

Throws:

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