Good email, btw. Very thorough. If you ever have the urge to contribute code, I'll be happy to check it over.
-- David Blevins On Sun, Feb 15, 2004 at 08:44:28PM +0100, Giampaolo Tomassoni wrote: > Dears, > > it seems to me that both the 'standard' OpenEJB implementation (0.9.2) and > the > 'nova' one (2.0a) don't allow using an arbitrary Home Business methods in > deployed ejbs. > > Since Home methods are the only way to remotely implement something close to > regular java class's 'static' methods, I believe that it is important to > support the availability of arbitrary home methods, i.e. something different > from create<METHOD>, find<METHOD> and remove<METHOD>. > > Looking at the 2.0a sources, the limitation seems related to the > org.openejb.core.ivm.EjbHomeProxyHandler class, in which the method > _invoke(...) seems to take into account the invocation of only the create<>, > find<>, getEJBMetaData, getHomeHandle and remove<> method names. > > It seems also that competing ejb container systems allow abstract home > business methods, by looking for ejbHome<HOME_METHOD> in the EntityBean > instance of the related home interface. I.e., a locateByName(...) in an Home > interface would let the container to look for an ejbHomeLocateByName(...) > method in the corresponding bean. > > This limitation is particularly important when one tries, i.e., to overcame > the intrinsic EJB limitation on beans inheritances by creating custom > locate<METHOD> methods (see: http://www.onjava.com/lpt/a/2589/ ). > > Also note point 9.5.4 of the ejb-2_1-fr-spec states that an ejb shall be > allowed to implement an Home Business Bethod. > > Please note I'm not an EJB expert, so maybe I'm missing some important point > in implementing my own home business method... :) > > I'm sending this note to the geronimo-dev list in the hope that somebody from > the OpenEJB org can see it: I'm not shure whether or not the > http://www.openejb.org site is still active. > > Regards, > > Giampaolo Tomassoni
