Thank you for the time you guys have already spent on this, but if you
have any other comments I would really appreciate them. Is there just no
way to do this given the current tapestry annotation class structure?

On Thu, 2006-05-25 at 10:51 -0400, Dan Adams wrote:
> Well, I've been digging around in all the annotation source for 4.0.1
> and I seem to be stuck. It seems like there isn't any way to get to the
> javassist methods or to do what I'm trying to do. I've looked at the
> hivemind config and how to add the annotation. My only problem is how to
> actually get the annotation to do what it needs to do. Any suggestions
> on how to approach the problems I mentioned earlier? I also attached the
> source which is pretty short.
> 
> On Thu, 2006-05-25 at 10:42 -0400, Jesse Kuhnert wrote:
> > Ah well...The annotations stuff in tapestry is pretty easy to follow (just
> > added a lot of logic in this area myself). It would be best for you to refer
> > to the tapestry annotations source, but the biggest thing is to also
> > remember that annotations are done almost the same way that the
> > "enhancement" stuff is done - with a hivemind chained pipeline
> > configuration. There is an annotations hivemind configuration section that
> > configures and sets up all of them as well.
> > 
> > On 5/25/06, Dan Adams <[EMAIL PROTECTED]> wrote:
> > >
> > > You are right about this. I hadn't realized you could do that with
> > > parameters. But that doesn't really apply to my problem since @Once
> > > won't normally be used on parameters. It came up because in some
> > > situations you have a method that does a hibernate query and returns a
> > > list of objects and you'd like to be able to easily refer to that
> > > property more than once in the template. A common situation is checking
> > > the list size in an @If before doing something with it.
> > >
> > > On Thu, 2006-05-25 at 10:28 -0400, Jesse Kuhnert wrote:
> > > > Doesn't tapestry support marking a parameter as cache-able already?
> > > >
> > > > On 5/25/06, James Carman <[EMAIL PROTECTED]> wrote:
> > > > >
> > > > > Have you looked into AspectJ?
> > > > >
> > > > > -----Original Message-----
> > > > > From: Dan Adams [mailto:[EMAIL PROTECTED]
> > > > > Sent: Thursday, May 25, 2006 10:00 AM
> > > > > To: Tapestry users
> > > > > Subject: RE: Help in writing a custom annotation
> > > > >
> > > > > Okay, my annotation is called @Once and if put on accessor will make
> > > > > sure that the method is only executed once and then the return value
> > > is
> > > > > cached. Any further calls to the method will just return the saved
> > > > > value. I've got pretty far but I think I'm stuck as I want to do
> > > > > something that I could do with javassist but I'm not sure how to do
> > > > > within the tapestry enhancement classes. I've attached what I have so
> > > > > far and I would greatly appreciated it if someone could give me some
> > > > > suggestions on what to do. My big problem is:
> > > > >
> > > > > - I could add code at the beginning and end of the method with
> > > javassit
> > > > > but can't see a way to do that
> > > > > - Perhaps I could somehow rename the old method to something else and
> > > > > put in a new method that calls it?
> > > > >
> > > > > Thanks a lot.
> > > > >
> > > > > On Thu, 2006-05-25 at 07:11 -0400, James Carman wrote:
> > > > > > I'd look at the one that injects messages, or beans, or even the one
> > > > > that
> > > > > I
> > > > > > wrote for "autowiring" (available in SVN on the 4.1 branch).
> > > > > >
> > > > > > -----Original Message-----
> > > > > > From: Dan Adams [mailto:[EMAIL PROTECTED]
> > > > > > Sent: Wednesday, May 24, 2006 10:44 PM
> > > > > > To: Tapestry users
> > > > > > Subject: Help in writing a custom annotation
> > > > > >
> > > > > > I want to write an annotation that will intercept a method and add a
> > > > > > property to the class. I've started digging around in some of the
> > > > > > annotation sources but it's going pretty slow. Can someone point me
> > > at
> > > > > > the right place to look for where to start?
> > > > > >
> > > > > --
> > > > > Dan Adams
> > > > > Software Engineer
> > > > > Interactive Factory
> > > > > 617.235.5857
> > > > >
> > > > >
> > > > >
> > > > > ---------------------------------------------------------------------
> > > > > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > > > > For additional commands, e-mail: [EMAIL PROTECTED]
> > > > >
> > > > >
> > > >
> > > >
> > > --
> > > Dan Adams
> > > Software Engineer
> > > Interactive Factory
> > > 617.235.5857
> > >
> > >
> > > ---------------------------------------------------------------------
> > > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > > For additional commands, e-mail: [EMAIL PROTECTED]
> > >
> > >
> > 
> > 
-- 
Dan Adams
Software Engineer
Interactive Factory
617.235.5857


---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]

Reply via email to