Thank you,
see also the article "Designing Entity Beans for Improved Performance" at
http://developer.java.sun.com/developer/technicalArticles/ebeans/ejbperformance/
François
Carlos Pita wrote:
> Hi,
>
> for more info on this subject you can follow this link:
> http://developer.java.sun.com/developer/restricted/patterns/AggregateEntity.
> html
> The note is part of "Sun Java Center J2EETM Patterns First Public
> Release:
> Version 1.0 Beta", a recently released beta-version book on design patterns
> for the J2EE platform.
>
> See you,
> Carlos
>
> ----- Original Message -----
> From: "François Exertier" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Sent: Friday, February 23, 2001 12:49 PM
> Subject: Re: JOnAS, EJB applications, and performance
>
> > Hi,
> >
> > a complementary information related to our discussion of the beginning
> > the week. A very interesting article on the design of entity beans...
> > Not so easy ... EJB2.0 persistence (with relationships and dependent
> > objects) should help ...
> >
> > http://www.sdmagazine.com/articles/2000/0004/0004c/0004c.htm#
> >
> > Best Regards,
> >
> > François
> >
> > [EMAIL PROTECTED] wrote:
> >
> > > > Therefore what is recommended is to build session beans,
> > > > that will aggregate operations on entity beans, and return
> > > > the whole data needed by the client. You may also define
> > > > methods on the entity beans that return a bunch of data
> > > > instead of EJB references (as finder methods do).
> > > ...
> > > Returning a bunch of data is also only a workaround: It's neither object
> oriented design, nor is it transparent to the
> > > application developer.
> >
> > --
> > ==================================================================
> > Francois EXERTIER Evidian (Groupe Bull)
> > 1, rue de Provence, BP 208, 38432 Echirolles cedex, FRANCE
> > mailto:[EMAIL PROTECTED]
> > http://www.evidian.com/jonas http://www.objectweb.org/jonas
> > Tel: +33 (0)4 76 29 71 51 - Fax: +33 (0)4 76 29 77 30
> > ==================================================================
> >
> >
> > ----
> > To unsubscribe, send email to [EMAIL PROTECTED] and
> > include in the body of the message "unsubscribe jonas-users".
> > For general help, send email to [EMAIL PROTECTED] and
> > include in the body of the message "help".
> >
>
> ----
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--
==================================================================
Francois EXERTIER Evidian (Groupe Bull)
1, rue de Provence, BP 208, 38432 Echirolles cedex, FRANCE
mailto:[EMAIL PROTECTED]
http://www.evidian.com/jonas http://www.objectweb.org/jonas
Tel: +33 (0)4 76 29 71 51 - Fax: +33 (0)4 76 29 77 30
==================================================================
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