Thread: RE: [Springframework-developer] RE: About CGLIB2

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On a related note, the iBATIS Database Layer 1.2.8 (as used by our =
JPetStore version) requires CGLIB 1.0. But as I said, this doesn't =
matter as long as you don't use CGLIB-based AOP proxies (which we don't =
in our JPetStore version). It's worth mentioning in the release notes, =
though.

Juergen

-----Original Message-----
From: spr...@li...
[mailto:spr...@li...]On Behalf
Of j=FCrgen h=F6ller [werk3AT]
Sent: Thursday, December 11, 2003 4:14 PM
To: spr...@li...
Subject: [Springframework-developer] RE: About CGLIB2

Everybody,

Hibernate 2.1 final with CGLIB2 underneath has just been released. This =
poses the question whether we should still release our 1.0 M4 with =
CGLIB1 support. Of course, our current codebase works nicely with =
Hibernate 2.1 as long as you don't use CGLIB-based AOP proxies (i.e. =
proxy full target objects instead of just interfaces), so we don't =
*have* to update immediately.

Migrating our AOP proxy generation to CGLIB2 should be straightforward. =
Afterwards, it will be the other way round in terms of compatibility: =
Hibernate 2.0 will still work with a current Spring release as long as =
you don't use CGLIB-based AOP proxies. In any case, the most important =
rule is to just have the CGLIB version needed by your Hibernate version =
in the class path.

CGLIB2 is at RC1 in the meantime, so building on it now would be viable. =
In the face of this situation, does everybody still prefer deferred =
CGLIB2 support at the time of our RC1? I vote for migrating already in =
M4, to allow for CGLIB-based AOP proxies in combination with Hibernate =
2.1 promptly. After all, typical Spring users will choose to work with =
the most current recommended Hibernate version.

Not that this was a really important criterion, but nevertheless: Chris, =
when do you expect CGLIB2 final?

Juergen

-----Original Message-----
From: spr...@li...
[mailto:spr...@li...]On Behalf
Of Alef Arendsen (JTeam)
Sent: Wednesday, December 03, 2003 11:20 PM
To: spr...@li...
Subject: About CGLIB2 (was: RE: [Springframework-developer] Release
plan)

Juergen (et al),

So the current plan is:

- M4  (CGLIB1): just before X-mas
- RC1 (CGLIB2): 2nd week of January or something.

Is there any idea on when CGLIB2 support is to be introduced (I heard
supporting both of them at a time is a hassle or at least too much
work). We've currently got a project (Spring + Hibernate 2.1) underway
of which a initial release is targetted for the 12th of January.

Are there going to be significant changes when moving from CGLIB1 to 2
(which will force me to stick with M4 for that particular project) or is
it going to be a smooth transition without much impact?

Thanks!

Alef

> -----Oorspronkelijk bericht-----
> Van: spr...@li...=20
> [mailto:spr...@li...]
>  Namens j=FCrgen h=F6ller [werk3AT]
> Verzonden: Tuesday, December 02, 2003 3:27 PM
> Aan: spr...@li...
> Onderwerp: [Springframework-developer] Release plan
>=20
>=20
> Guys,
>=20
> We need to settle on a concrete roadmap.
>=20
> Despite our initial plans to go straight to RC1, I'm inclined=20
> to vote for an M4 in two weeks' time, with the significant=20
> reworkings that have been introduced in the meantime (in the=20
> bean factory and AOP area), with the current state of the=20
> docs, and still with CGLIB1. We can also introduce our=20
> JPetStore version with that release.
>=20
> I suggest to target RC1 for early January then, with CGLIB2=20
> and - most importantly - a proper reference manual. In the=20
> ideal case, 1.0 final could be ready at the end of January.=20
> M4 would correspond to a feature freeze, with full=20
> concentration on bugfixes and docs afterwards. RC1 should=20
> already be as good as it gets, a true "release candidate".
>=20
> Juergen
>=20
>=20
> -----Original Message-----
> From: spr...@li...
> [mailto:spr...@li...]
> On Behalf Of Matthew E. Porter
> Sent: Monday, December 01, 2003 6:37 PM
> To: spr...@li...
> Subject: Re: [Springframework-developer] Hibernate 2.1 and CGLIB
>=20
>=20
> This was a good answer since it provides a roadmap.  Can someone post=20
> this on the wiki or the website for others who may have the same=20
> question?
>=20
>=20
> Cheers,
>    matthew
>=20
> On Dec 1, 2003, at 11:04 AM, j=FCrgen h=F6ller [werk3AT] wrote:
>=20
> > Hi Matthew,
> >
> > We've been discussing that for a while. If Hibernate 2.1 gets final
> > early enough (and it seems to, being already in RC1 stage), we will=20
> > switch to it for our 1.0 RCs. If 2.1 would still be far=20
> from final, we=20
> > would probably have to support both CGLIB1 and CGLIB2 somehow.=20
> > Fortunately, that seems not to be necessary anymore!
> >
> > For the time being, if you don't proxy full classes (but just
> > interfaces) or don't use Spring AOP in the first place, you=20
> should be=20
> > able to work with Hibernate 2.1 and its CGLIB2 without hassle. The=20
> > same will apply to Hibernate 2.0 users after we've moved to CGLIB2:=20
> > You don't need to worry if you don't use Spring AOP will=20
> full proxies.
> >
> > I think we can live with requiring an update to Hibernate 2.1 if a
> > user wants full AOP proxies in combination. Actually, we probably=20
> > *need* to move to CGLIB2 once Hibernate 2.1 final is=20
> released: Power=20
> > users will want to combine full Spring AOP proxying with=20
> the current=20
> > Hibernate version, not with a previous one.
> >
> > Now it would be really great if CGLIB2 were final too until=20
> Spring 1.0
> > final! :-) It's no problem to ship a CGLIB2 beta with our upcoming=20
> > Spring 1.0 RC1, but it worries me to include a CGLIB2 beta=20
> in Spring=20
> > 1.0 final. Haven't the Hibernate guys the same problem? Or are they=20
> > fine with shipping a CGLIB2 beta with Hibernate 2.1 final?
> >
> > So I suggest to release our 1.0 RC1 shortly after Hibernate=20
> 2.1 final,
> > already with CGLIB2 support. As I said, we will just force=20
> users with=20
> > full AOP proxies to upgrade to Hibernate 2.1 if using the two in=20
> > combination. We could release a 1.0 M4 shortly before that though,=20
> > still with CGLIB1 - to ease migration paths for Hibernate 2.0 users.
> >
> > Juergen
> >
> >
> > -----Original Message-----
> > From: spr...@li...
> > [mailto:spr...@li...]On=20
> > Behalf Of Matthew E. Porter
> > Sent: Monday, December 01, 2003 5:06 PM
> > To: spr...@li...
> > Subject: [Springframework-developer] Hibernate 2.1 and CGLIB
> >
> >
> > I have looked through the mailing list archives but was=20
> unable to find=20
> > the answer to my question.  Will Spring move to support=20
> Hibernate 2.1=20
> > (as it is the new *recommended* version) and, if so, when?
> >
> > Also, does anyone know if I can use it now with the cglib version=20
> > change?
> >
> >
> >
> > Cheers,
> >    matthew
> >
> >
> >
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