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Struts & Hibernate
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| | | Business Delegate | Business Delegate 2004-04-16 - By Giovani Salvador
Back
Remember that Businness Delegate resides on client side, not server side,
therefore, making an EJB as a BD is
not a good idea
Giovani Salvador
Procergs
Coordenadoria de Eventos RSJUG
giovanisalvador@(protected)
www.rsjug.org
ICQ# 44904309
-- -- Original Message -- --
From: "Ricardo de Souza Moura" <ricsouzamoura@(protected)>
To: <J2EEPATTERNS-INTEREST@(protected)>
Sent: Friday, April 16, 2004 4:42 PM
Subject: Re: Business Delegate
> I would like very much. thank you.
>
> But I was thinking about construct my Business Delegate(BD) not like a
EJB.
> The BD would be a normal class. therefore my web tier don't need to worry
> about look up or RemoteException for example. Only my Bd would need to
worry
> about this. is it OK ? Do you agree ?
>
> About to do cache I have some doubts.
> My ServletContainer an my EJBContainer are in two differents machines. If
> only the EJBContainer stop what happen with my cache at the
ServletConainer
> ? it won't work anymore, will it ?
>
>
> >From: George Maggessy <gmaggess@(protected)>
> >Reply-To: gjr@(protected)
> >To: J2EEPATTERNS-INTEREST@(protected)
> >Subject: Re: Business Delegate
> >Date: Fri, 16 Apr 2004 12:20:35 -0700
> >
> >Hi Ricardo,
> >
> >Yes. This is a good structure. In fact, I use this patterns
> >and my app works fine. The only thing you have to worry
> >about is the business delegate or delegate handler. There
> >are diferent types for diferent session beans. Like...
> >Cache the EJB Handle for stateful beans or cache the
> >EJBHome for stateless beans... I could send u a sample if u
> >want.
> >
> >Cheers,
> >George Maggessy
> >
> >
> >--- Ricardo de Souza Moura <ricsouzamoura@(protected)>
> >wrote:
> > > Hi folks,
> > > I have a doubt.
> > >
> > > I am projecting my application with the structure below:
> > >
> > > web tier => business Delegate(BD) => ServiceLocator(SL)
> > > => Session
> > > Facade(SF) => EJBs
> > >
> > > The web tier use the BD to call business methos.
> > > The BD use the SL to get a SF
> > > The BD use the SF to call business methods
> > > SF is a Session Bean and use Entity Beans and others
> > > Session Beans to do its
> > > work.
> > >
> > > Is this strutcture a good practice ?
> > >
> > > Does Somebody have another suggestion ?
> > >
> > > Thanks
> > >
> > >
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> >
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