Hi, I think that http://openjpa.apache.org/docs/latest/manual/manual.html#type might answer your concerns. If that does not, can you outline your model in a bit more detail?
-Patrick On 7/27/07, John Nason <[EMAIL PROTECTED]> wrote: > What is the best approach for using interfaces with persistable classes in > openJPA? > It seems like it is impossible to annotate interfaces for use with openJPA > persistence. For instance, I have 2 persistable classes that share the same > interface where the interface could contain the descriptors for both > implementations. You can not mark an interface as a @Entity. During > decoration a NPE is thrown. > Alternatively, I could describe my properties in an interface marked with a > @MappedSuperclass equivalent and then my implementors could inherit the > persistence information. > From my experimentation interfaces do not seem to be supported in the > openJPA persistence paradigm. Is this is a current limitation with plans to > be addressed? Is this by design? If so, what is the reasoning behind this > decision? Interfaces are a big part of proper design in Java and I'm > suprised not to see them extensively used in the openJPA solution. If there > is valid reasoning why this should not be part of my design decision I'd > love to be informed. > Thanks for your time, > John Nason > -- Patrick Linskey 202 669 5907
