Attendees: Michael Bouschen, Tilmann Zäschke, Craig Russell

Agenda:

NOTE: Next week’s meeting is canceled. The meeting will resume 9:00 AM Friday 
October 21.

1. Any news on JIRA JDO-756 "Enhance PK to avoid LongIdentity/StringIdentity 
dependencies" https://issues.apache.org/jira/browse/JDO-756

no news

2. Request for feedback JDO-751 "Support for Java8 Optional" 
https://issues.apache.org/jira/browse/JDO-751

Tilmann reports that subqueries that return collections don’t seem to work. The 
only subqueries that are tested in the tck return aggregates (AVG, MAX, MIN, 
etc).

So should we change the specification to require that subqueries must return 
single values? 

3. JDO-735 "Make PersistenceManager and Query support AutoCloseable (JDK1.7+)" 
https://issues.apache.org/jira/browse/JDO-735

We should change javax.jdo.Query to add a close method that does not throw any 
exception. This prevents the implementation from adding a close method that 
throws Exception. 

We should document the close method in Query to state that it is identical in 
behavior to closeAll and should only be used in conjunction with 
try-with-resources.

We should add extends AutoCloseable to Extent with the semantics that close is 
identical to closeAll. In particular, don’t make the object unusable.

4. JDO-747 "Behavior of delete() with multiple concurrent Transactions" 
https://issues.apache.org/jira/browse/JDO-747

5. JDO 3.1: Need to go through change lists in JIRA for 3.1 RC1 and 3.1 to 
prepare JCP Change Log

6. Other issues

Action Items from weeks past:
[Oct 30 2015] AI Craig: File a maintenance review with JCP
[May 15 2015] AI Craig Spec change for roll back an active transaction when 
closing a persistence manager (JDO-735)  
[Apr 17 2015] AI Craig: Oracle spec page on JDO need to be updated once the JCP 
Maintenance Release for JDO 3.1 is published
[Oct 17 2014] AI Matthew any updates for "Modify specification to address NoSQL 
datastores": https://issues.apache.org/jira/browse/JDO-651?
[Feb 28 2014] AI Everyone: take a look at 
https://issues.apache.org/jira/browse/JDO-712
[Feb 28 2014] AI Everyone: take a look at 
https://issues.apache.org/jira/browse/JDO-625
[Dec 13 2013] AI Craig file a JIRA for java.sql.Blob and java.sql.Clob as 
persistent field types
[Aug 24 2012] AI Craig update the JIRAs JDO-689 JDO-690 and JDO-692 about 
JDOHelper methods. In process.

Craig L Russell
Architect
craig.russ...@oracle.com
P.S. A good JDO? O, Gasp!





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