SV: [aspectj-users] Limiting depth of pointcut for subclasses

[Hermod Opstvedt <hermod@xxxxxxxxxxxx>]

Hi

But that is Spring - Not AspectJ

Hermod

-----Opprinnelig melding-----
Fra: aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx] På vegne av Ramnivas Laddad
Sendt: 5. februar 2008 16:07
Til: aspectj-users@xxxxxxxxxxx
Emne: Re: [aspectj-users] Limiting depth of pointcut for subclasses

Take a look at:

<http://fisheye1.cenqua.com/browse/~raw,r=1.1/springframework/spring/aspectj
/src/org/springframework/beans/factory/aspectj/AbstractDependencyInjectionAs
pect.aj>
and
<http://fisheye1.cenqua.com/browse/~raw,r=1.2/springframework/spring/aspectj
/src/org/springframework/beans/factory/aspectj/AbstractInterfaceDrivenDepend
encyInjectionAspect.aj>

In particular, the leastSpecificSuperTypeConstruction() pointcut seems like
what you need.

-Ramnivas


On Tue, Feb 5, 2008 at 8:25 AM, <hermod.opstvedt@xxxxxxxxx> wrote:


	Hi
	
	I was afraid there was no easy way - maybe we should ask for an
	enhancement to add a new attribute that will limit a Object+
construct.
	

	Hermod
	
	-----Original Message-----
	From: aspectj-users-bounces@xxxxxxxxxxx
	[mailto:aspectj-users-bounces@xxxxxxxxxxx] On Behalf Of Gijs Peek
	
	Sent: Tuesday, February 05, 2008 2:20 PM
	To: aspectj-users@xxxxxxxxxxx
	
	Subject: Re: [aspectj-users] Limiting depth of pointcut for
subclasses
	
	
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	Although I fail to comprehend why you would ever need this (maybe
you
	should consider modifying your design), my guess would be that you
can
	only achieve such an effect by using the if() pointcut and applying
	reflection to determine the classes' location in the hierarchy
(e.g., by
	using the Class.getInterfaces method). Your pointcut then would
probably
	look something like pointcut pc(A obj):
	   this(obj) &&
	if(Arrays.asList(obj.getClass().getInterfaces()).contains(A.class)))
	
	cheers,
	 - Gijs Peek
	
	hermod.opstvedt@xxxxxxxxx wrote:
	> Limiting depth of pointcut for subclasses
	>
	> Hi
	>
	> Is there a short and easy way of shortening the depth of a
pointcut?
	> The scenario is that I advise the construction of objects that
	> implement an interface. However I only want to advice the first
child
	> in the hierarchy of implementation. I.E Interface A extends
interface
	> I, Interface A1 extends interface A. Class C implements A and
class C1
	
	> implements A1. I only want to advice A (i.e construction of C).
First
	> challenge is that interface I is the only known interface at
design
	> time.
	>
	> Hermod
	>
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