Re: [aspectj-users] code policy enforcement and AspectJ

[David.Suarez@xxxxxxxxxxx]

Hello Leif,

I had a similar question some time back (and others have had similar
questions on this list as well) and from what I gather from responses is
that it appears aspectJ can not determine "this" outside of runtime at this
point.  Anyone, please correct me if I'm wrong.

Regards,

David Suarez




"leifo Lauvsnes" <leifo@xxxxxxxxxxx>@eclipse.org on 19 Feb 2004 09:54

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Subject:    [SPAM]: [aspectj-users] code policy enforcement and AspectJ


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I'm trying to write an aspect that helps me enforce that member values
should only be changed from methods named set*, and from the
constructor(s),
in the same class that the member variable belongs to. Is it possible to do
this at compile time? The problem is to deny(flag warning)
constructors/methods in other classes from assigning variables. The aspect
should be generic, so !withincode(someSpesificClass.new(..)); doesn't help
me.

Hopefully you understand my question, and have some ideas

aspect that try to explain my idea but doesn't work (doesn't compile):

{
pointcut notSelfCall(Object caller, Object callee) :
set (* *.* && ) !withincode(*.new(..))
this(caller) && target(callee) && caller != callee;
pointcut directMemberAssignment() :
set (* *.*) && !withincode(* set*(..)) &&
!withincode(*.new(..));
declare warning : directMemberAssignment() &&
notSelfCall(caller, callee) :
"Use a setter method for assignment. Constructors in other class can't
assign values";
}
-Leifo

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