[aosd-discuss] AOP, Design Patterns and Metadata - master thesis

[andrei oprisan]

    Hello Miguel,

   First of all I would like to thank you for the information you have
provided me. I hadn't got a chance to read the articles carefully but I am
going to do it as soon as possible.  Indeed I am using Java 5 annotations
and AspectJ 5, I apologize for not mentioning it clearly in the first
place.  As about my work., I had already implemented two patterns, Singleton
and Observer. I have uploaded them here, if anyone wants to have a look :
http://cs.joensuu.fi/~aoprisan/aop/observer.pdf<http://cs.joensuu.fi/%7Eaoprisan/aop/observer.pdf>
http://cs.joensuu.fi/~aoprisan/aop/singleton.pdf<http://cs.joensuu.fi/%7Eaoprisan/aop/singleton.pdf>.
Those are still drafts for the time being. The problems that I am facing is
deciding how many responsibilities should I delegate to the classes ,
aspects and annotations involved in a pattern. For example, in the Observer
pattern, where should the logic for adding Observers to Subjects be
encapsulated : in the classes, aspects or annotations ? I have presented a
way in the draft for the Observer, but I am not quite satisfied with it. I
think that finding out more opinions about this matter will really help me.

Kind Regards,
    Andrei



On Nov 7, 2007 8:24 PM, Miguel Pessoa Monteiro <mmonteiro at di.fct.unl.pt>
wrote:

> Hi Andrei,
>
> Perhaps you could be more specific about your problem. You said that
> you're using
> AOP and Metadata, but did not mention an actual tool/language. Do you mean
> AspectJ 5
> and Java 5 annotations, or is it something else?
>
> Exactly what is not clear about where you should go? Perhaps it is just a
> matter of
> starting with one pattern, implement it, and gradually do the same with
> the whole
> collection. Try selecting one of the most promising patterns, in terms of
> possible
> conclusions/insights, or as a showcase for the technique that you are
> using.
>
> Regarding related work, you may be interested on the following papers:
>
> M.P. Monteiro, J.M. Fernandes, Pitfalls of AspectJ Implementations of Some
> of the
> Gang-of-Four Design Patterns. Proceedings of the Desarrollo de Software
> Orientado a
> Aspectos (DSOA'2004) workshop, at the VIII Jornadas de Ingeniería de
> Software y
> Bases de Datos (JISBD'2004), Málaga, Spain, November 2004.
> http://ctp.di.fct.unl.pt/~mpm/Monteiro04-AspectJGoFPitfalls.pdf<http://ctp.di.fct.unl.pt/%7Empm/Monteiro04-AspectJGoFPitfalls.pdf>
>
> @inproceedings{rajan-patterns-07,
> author = {Hridesh Rajan},
> title = {Design Patterns in Eos},
> booktitle = {PLoP '07, Conference on Pattern Languages of Programs},
> location = {Monticello, IL},
> pages = {to appear},
> month = {September},
> year = {2007}
> }
> http://www.hillside.net/plop/2007/papers/PLoP2007_Rajan.pdf
>
> Hope this helps,
> --
> 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 <http://ctp.di.fct.unl.pt/%7Empm2829-516> Caparica, PORTUGAL |
> e-mail: mmonteiro [at] di fct unl pt
>
>
> Em Qua, Novembro 7, 2007 5:00 pm, discuss-request at aosd.net escreveu:
> > Date: Tue, 6 Nov 2007 20:39:16 +0200
> > From: "andrei oprisan" < aoprisan at gmail.com>
> > Subject: [aosd-discuss] AOP, Design Patterns and Metadata - master
> >       thesis
> > To: "AOP discussion list" <discuss at aosd.net >
> > Message-ID:
> >       <8f1316b80711061039t4bc6ebbod33a0880fdfeda9e at mail.gmail.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> >              Hello all,
> >    My name is Andrei Oprisan and I am a student at the  Department of
> > Computer Science, University of Joensuu, Finland. I am currently writing
> my
> > master thesis. The thesis is centered around using AOP and Metadata to
> > implement the GOF's Design Patterns. I am using AspectJ and annotations
> for
> > that, but I am kind of stuck now because things are not so clear for me
> > where should I go. I am aware of the previous implementation of Design
> > Patterns using AspectJ done by Jan Hannemann. I would like to kindly ask
> you
> > for opinions or advices on the the subject of the my thesis. If
> required, I
> > can provide more information on the work that I had already done.
> > Thank you very much for your time.
> >
> > Kind Regards,
> >     Andrei.
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>
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