|Binary (in)compatibility? [message #507824]
||Thu, 14 January 2010 19:19
| Stephan Herrmann
Registered: July 2009
I've just started working on a ticket that will introduce a binary|
incompatibility. If this feature will be included in the next
milestone this will imply, that old OT/J .class files cannot
be used with the new runtime environment.
By this post I'm asking for feedback how big a problem such
incompatibility would impose on everybody. At all times, re-compiling
existing sources will suffice, since source-level compatibility is
This is about http://trac.objectteams.org/ot/ticket/144 :
"Allow teams extending a non-team class".
I'm introducing a new interfaces org.objectteams.ITeam, which
will be used in many locations that until now use the class
org.objectteams.Team. Specifically, if a team class extends
a non-team class, the compiler will implicitly insert
"implements org.objectteams.ITeam" instead of
Several internal, generated methods currently mention class Team,
which will be changed, too. Thus the incompatibility.
So, please speak up if you're seeing problems with this change.
I would have to try hard to add a compatibility mode or back out
the current work.
|Re: Binary (in)compatibility? [message #567644 is a reply to message #507824]
||Fri, 15 January 2010 10:38
| Miguel P. Monteiro
Registered: January 2010
No reservations whatsoever from our part, but I would like to say that enabling teams to inherit from plain Java classes seems a very desirable feature.|
The less asymmetrical the language is, the better. I imagine that will make it easier to use/integrate traditional OO frameworks that rely on hooks and inheritance for composition.
Miguel P. Monteiro | cell phone +351 96 700 35 45
Departamento de Informatica | Phone +351 21 294 8536 ext. 10708
Faculdade Ciencias e Tecnol.| Fax: +351 21 294 8541
Universidade Nova de Lisboa | URL: http://ctp.di.fct.unl.pt/~mpm
2829-516 Caparica, PORTUGAL | Skype: miguel.p.monteiro
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