The most important question to answer is whether or not a book can become a dvd, in other words do you have need for type mutability ???
If the answer is no, which i think it is, you can use a discriminator, to map it to different type, see nhibernate manual Kind regard Tom Marien -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
