For #1, Sebastien has this in the sandbox (not in the main build): http://svn.apache.org/repos/asf/incubator/tuscany/sandbox/sebastien/java/sdo/plugin-java2sdo
If you look at it, you'll see it's a simple prototype that given a Java interface, will introspect it to build the SDO metadata (actually it's currently doing this using EMF instead of SDO calls) and then invokes the SDO codegenerator to generate static implementation classes. The part that's interesting for what we're talking about is just the introspection/build SDO metatdata part - so that part should be factored out into a reusable component of it's own. Also it could be rewritten to use SDO metadata creation APIs (instead of EMF) since we've just recently added that support (see TUSCANY-39). Given this support, we could introspect an interface or an actual POJO implementation class and determine the SDO metadata. Once we have that we should then be able to generate a loader as described in #2, below. There's no code started for this yet, but it is high on the wish list of things to get to soon. Frank. Paul Tomsic <[EMAIL PROTECTED]> wrote on 04/21/2006 09:24:44 AM: > the items you mention, are they available in the > repository? > > > --- Frank Budinsky <[EMAIL PROTECTED]> wrote: > > > Paul, > > > > Support for what you want is possible but not > > implemented yet. We do want > > it ... want to help? :-) > > > > Two pieces of work that are needed are: > > > > 1) the part that introspects the POJO to build the > > SDO metatdata. > > Jean-Sebastien Delfino has the start of a prototype > > for that. > > 2) the ability to generate a StAX loader/serializer > > for the POJO. The > > hand-coded loader that is used for the SCA assembly > > model is the prototype > > that we plan to use to design the generator > > patterns. > > > > With these two pieces, added to what's already > > there, I think you'd have > > everything you need to do what you're asking. > > > > Frank. > > > > > > Paul Tomsic <[EMAIL PROTECTED]> wrote on 04/21/2006 > > 08:23:53 AM: > > > > > > > > > > > > > 1) What's your java object? Is it a JavaBean (or > > > > even further, generated > > > > from XSD)? > > > > > > serializable pojos, mostly. there's no XSD, > > however, > > > that represents the object. so i'm basically > > looking > > > for a "Bean -> XSD -> DataGraph/DataObject -> > > > Serialize/Wire -> Bean" > > > > > > kinda like JAXB/Jibx/Something kinda marhsalling > > here. > > > > > > the problem is, since i don't have the XSDs, then > > if > > > the pojo changes and version rev's, then i'll also > > > have to update the xsd to stay in sync. > > > > > > > > > > > > > 3) If your java objects are also created from > > XSDs, > > > > then it's easy to > > > > tranform the java object to SDO and vice versa > > using > > > > XML as the intermediate > > > > format. > > > > > > see above. thanks > > > > > > > > > > > Thanks, > > > > Raymond > > > > > > > > ----- Original Message ----- > > > > From: "Paul Tomsic" <[EMAIL PROTECTED]> > > > > To: <[email protected]> > > > > Sent: Thursday, April 20, 2006 5:37 PM > > > > Subject: java to sdo back to java? > > > > > > > > > > > > > is it possible to take an existing java > > object, > > > > and > > > > > turn it into SDO (dataobject), maybe serialize > > it, > > > > > persist it, whatever, then convert it back to > > it's > > > > > original java object? > > > > > > > > > > if so, could someone point me to an example or > > > > > something ? > > > > > > > > > > thanks in advance. > > > > > > > > > > > > > > > > > > > > > > > > > >
