How do I do inheritance with cmp2? Maybe that is why Castor will survive. > -----Original Message----- > From: David Jencks [mailto:[EMAIL PROTECTED]] > Sent: Thursday, 10 January 2002 1:04 PM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-user] Updating CastorJDO plugin for 2.4.4 > > > On 2002.01.09 17:33:15 -0500 Paul McLachlan wrote: > > A persistence mapping on top of cci spi is what is needed for sure. > > CAstor would ensure it's future by conforming to jca in my opinion. > > I agree, although I'm not entirely sure I understand what you are > suggesting. The JDO spec has a rather confused view of what > the jca spec > says (I'd guess 70% of the specific feature references are > wrong in some > detail) but the basic idea they have is that a jdo implementation must > expose the spi interfaces if it wishes to be useable in an > app server. I > thought Castor might be improved by changing its jdbc access > to be to a > jca-wrapped jdbc driver, thus making it easy to expose the > spi interfaces. > > I'm not sure of the value of trying to expose cci outside of jdo. The > jdo-style object navigation is more java-like and easier to > use than cci. > > I think the use of cci is in supporting either a jdo > implementation or cmp2 > beans. IMHO cmp2 is kind of similar to jdo access. cmp2 has > (at least in > jboss) easily extensible metaprogramming interfaces (the spec includes > transaction and security support for instance) whereas jdo handles > inheritance and polymorphism better. > > Anyway, just my $0.02 > > david jencks > > > > > -----Original Message----- > > > From: David Jencks [mailto:[EMAIL PROTECTED]] > > > Sent: Thursday, 10 January 2002 12:51 AM > > > To: [EMAIL PROTECTED] > > > Subject: Re: [JBoss-user] Updating CastorJDO plugin for 2.4.4 > > > > > > > > > On 2002.01.09 01:14:28 -0500 Matthew Baird wrote: > > > > any plans on using JCA to connect Castor JDO into JBoss? > > > > > > Both the jdo spec and I think the way to do this is to have > > > the jdo layer > > > act as a cache on top of a resource adapter, or to have the > > > jca interfaces > > > exposed from the "middle" of the jdo implementation with > an additional > > > Synchronization to the cache layer to make sure it is > > > persisted before the > > > tx commits. However when I enquired at Castor whether > they had any > > > interest in supporting this I was told that Castor had no > > > interest in spec > > > compliance. > > > > > > Although I suspect this was mostly due to lack of knowledge > > > about the jca > > > spec, it wasn't exactly encouraging. I may try again when I > > > am done with > > > my current project. > > > > > > david jencks > > > > > > > > -----Original Message----- > > > > From: David Jencks [mailto:[EMAIL PROTECTED]] > > > > Sent: Tuesday, January 08, 2002 4:05 PM > > > > To: [EMAIL PROTECTED] > > > > Subject: Re: [JBoss-user] Updating CastorJDO plugin for 2.4.4 > > > > > > > > > > > > I think cvsroot/jboss/contrib/castorjdo never got tagged with > > > > Branch_2_4_4 > > > > when Jason did the reorganization of the build system. > I suspect it > > > > should > > > > be, there are other changes likely to happen in > > > > cvsroot/jboss/contrib/varia. Jason is probably the only > > > one to know for > > > > sure... > > > > > > > > _______________________________________________ > > > > JBoss-user mailing list > > > > [EMAIL PROTECTED] > > > > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > > > > > > > > > > > > _______________________________________________ > > > JBoss-user mailing list > > > [EMAIL PROTECTED] > > > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > > > > > _______________________________________________ > > JBoss-user mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > > > > _______________________________________________ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user >
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