On Friday 31 October 2003 14:47, Jakob Braeuchi wrote: > hi, > > Robert J Celestino wrote: > > David, > > > > I believe that you must write 30 class descriptors all exactly the same > > except for the class name :-( I have not been able to get this sort of > > scenario to work any other way. > > > > It seems odd, since ojb "should" know the inheritance structure due to > > the extent-class tag. It would be nice if extent classes need only add > > field-descriptors for the attributes that are different. > > the problem is that descriptors are not inherited by extent class.
At the least, it would be nice if I could specify one class-descriptor as being inherited from another. Even that seems way less than ideal. > > jakob > > > Bob c > > > > ---------------------------------------------------------------- > > Bob Celestino > > SAS Research and Development > > 919 - 531 - 9425 > > [EMAIL PROTECTED] > > > > SAS - The Power to Know > > > > > -----Original Message----- > > > From: David Corbin [mailto:[EMAIL PROTECTED] > > > Sent: Friday, October 31, 2003 2:37 PM > > > To: OJB Users List; Jakob Braeuchi > > > Subject: Re: mapping many classes to one table > > > > > > On Friday 31 October 2003 14:11, Jakob Braeuchi wrote: > > > > hi david, > > > > > > > > > > > > why don't you use ojbConcreteClass ? > > > > > > I don't understand. I fully plan on having something like > > > this so I can > > > materialize the correct type object. That has little (as > > > far as I can tell) > > > to do with my problem. As far as I can tell, unless I write 30 > > > class-descriptors, those objects of that class are believe > > > to not be > > > persistable. > > > > > > > David Corbin wrote: > > > > > I have a class heirarchy, and there are 30 different concrete > > > > > classes in it. There is NO difference in the data, just > > > > > > in behavior. > > > > > > > > I'm well aware of how to read these in from a common > > > > > > table using a > > > > > > > > RowReader. > > > > > > > > > > Do I have to write 30 class-descriptors all of which > > > > > > look exactly > > > > > > > > the same except for the class name? > > > > > > > > yes, if you do not want to copy paste ;) > > > > > > > > jakob > > > > > > > > > Thanks > > > > > > ------------------------------------------------------------ > > > --------- > > > > > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > -- > > > David Corbin <[EMAIL PROTECTED]> > > > > > > ------------------------------------------------------------ > > > --------- > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] -- David Corbin <[EMAIL PROTECTED]> --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
