Hi,
I thought you had a great idea. I'm very curious about why this was a bad
idea and how it is not spec compliant.
Thanks
david jencks
On 2001.06.09 03:52:17 -0400 Vincent Harcq wrote:
> 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.
> > > >
> > > >
> > > > _______________________________________________
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> > >
> > >
> > >
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