Forget it.
I find it more spec compliant to have a String cmp field containing my XML
respresentation.
a getter method that do XML-->Object
a setter method that do Object-->XML
Anyway, make the storage of cmp field to db field in Jaws is not difficult
but finally I don't think it's a good idea.
Vincent.
> -----Message d'origine-----
> De : [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]De la part de
> Vincent Harcq
> Envoyé : vendredi 8 juin 2001 17:47
> À : [EMAIL PROTECTED]
> Objet : RE: [JBoss-dev] CMP fields XML Serialization
>
>
> Hi,
> I will look at this idea, by having a new jdbc-type in jaws.xml for which
> parameters can be set that tells Jaws how to insert/retrieve
> attribute/field.
> But I still want to keep it simple and keep the constraint one cmp field /
> one database field.
> Regards.
> Vincent.
>
> > -----Message d'origine-----
> > De : [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]De la part de Bill
> > Burke
> > Envoyé : vendredi 8 juin 2001 16:51
> > À : [EMAIL PROTECTED]
> > Objet : RE: [JBoss-dev] CMP fields XML Serialization
> >
> >
> > Can you plug-in how a CMP field is stored in the database? If not, this
> > would be the best first step.
> >
> > Bill
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of
> > > Vincent Harcq
> > > Sent: Friday, June 08, 2001 3:23 AM
> > > To: Dev JBoss
> > > Subject: [JBoss-dev] CMP fields XML Serialization
> > >
> > >
> > > Hi,
> > > In CMP Entity beans, fields that can not be mapped automaticaly
> > > to primitive
> > > SQL type are
> > > serialized and saved as Object in the database. One problem is
> > > then if you
> > > want to change the Object, you have to take care of Serialization
> > > versions,...
> > > everything is not possible here. Another problem is if you
> want to give
> > > access
> > > to your db to a non Java world.
> > > One solution for that could be to XMLize the object to a
> VARCHAR/String
> > > format.
> > > The power on changes of the Object will be more powerfull by
> > > implementation
> > > of
> > > method like "importXML" and "exportXML".
> > >
> > > What do you think of a feature like that ?
> > >
> > > What I try to avoidby using that is BMP , TopLink/Castor, XML/Object
> > > Databases.
> > >
> > > Vincent.
> > >
> > >
> > > _______________________________________________
> > > Jboss-development mailing list
> > > [EMAIL PROTECTED]
> > > http://lists.sourceforge.net/lists/listinfo/jboss-development
> > >
> >
> >
> >
> > _______________________________________________
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>
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