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From Craig L Russell <Craig.Russ...@Sun.COM>
Subject Re: JDO TCK Conference Call Friday, July 20, 9 am PDT
Date Fri, 20 Jul 2007 22:31:55 GMT
Attendees: Michelle Caisse, Matthew Adams, Michael Bouschen, Craig  
Russell

Agenda:

1. Annotations update Craig checked in some changes to annotations  
that included changing String[ ] embedded to Embedded[ ] embedded.  
This caused the enhancer to fail. Other changes pending will also  
make the enhancer fail: removing @Field and @Property, replacing them  
by @Persistent. These changes were outlined in the message from Craig
http://mail-archives.apache.org/mod_mbox/db-jdo-dev/200707.mbox/% 
3c705B9F42-DC2E-45D9-9F65-EFF7594C9BBE@SUN.com%3e

The only reason to have PersistenceModifier at all is to make it  
possible to say @Persistent 
(persistenceModifier=PersistenceModifier.NONE) or @Persistent 
(persistenceModifier=PersistenceModifier.TRANSACTIONAL). It can be  
removed without loss of functionality.

The spec should note that @NotPersistent maps to persistence- 
modifier="none"

recursionDepth needs to be added to @Persistent so it can be used  
instead of @FetchField in @FetchGroup.

Maybe we should remove @Persistence type() because types() covers it.  
Perhaps we should rename the element to allowedTypes, or  
requiredTypes or boundedTypes, permittedTypes(), subTypes(),  
extendedTypes()

AI Craig update the proposal; attach a patch to a new JIRA; call for  
a vote

2. Other issues

Interesting application that might apply to JDO. Domain Driven  
Design, Eric Evans. Persistent objects that have collaboration logic  
for relationship handling but also have some business logic. Content  
management application. Planned vs. actual pattern. Detached object  
launches a thread and notifies a listener of a state change. The  
listener attaches the object to the database and updates the database.

Action Items from weeks past:

[June 22 2007] AI Craig discuss svn:eol-style on email.

[June 22 2007] AI Craig write a proposal on annotation overrides for  
the expert group.

[June 15 2007]  AI Craig put spec somewhere for review.

[May 25 2007]  AI everyone Download the Grails demo from grails.org  
and check it out. Also look at Grails/Groovy ExpandoMetaClass that  
has the magic to avoid reflection and enhancement.

[May 25 2007] AI Matthew Adams prepare a proposal with just the  
basics of schema synchronization with jdo and orm metadata.

[May 18 2007] AI Craig update http://wiki.apache.org/jdo/ 
CurrentDevelopment wiki page

[Apr 27 2007] AI Craig review Query API and send email to experts.

[Apr 27 2007] AI Erik file a JIRA regarding JPA style transactions  
and attach his discussion document to it.

[Mar 9 2007] AI Craig: Update the spec to require that the key of the  
listener is the class name of the listener, for consistency with  
proposed xml..

[Mar 2 2007] AI Craig: update the JDOHelper class to include a string  
constant "META-INF/jdo.xml" and a new method  
getPersistenceManagerFactory taking no arguments.

[Aug 11 2006] AI Craig propose some semantics for behavior if user  
tries to add to a list where the ordering element is incorrect.

[Jul 14 2006] AI: Erik document 220 annotations that don't have a  
corresponding JDO concept.

[Jun 23 2006]  AI  Martin look at what Hibernate and TopLink support  
for Enum types. In progress.

[Apr 14 2006] AI Craig: update the roadmap for JDO. In progress.

[Nov 4 2005] AI Martin: Update Martin's wiki with discusion of JDK   
1.5 issues. In progress

[Sep 2 2005] AI: To recruit members, update the web site. Articles  
on  TheServerSide directing attention to the site. T-shirts, logo.    
AI:   Craig write a ServerSide article.

-- Michelle

Craig Russell
Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
408 276-5638 mailto:Craig.Russell@sun.com
P.S. A good JDO? O, Gasp!


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