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https://issues.apache.org/jira/browse/OPENJPA-773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12651235#action_12651235
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Jeremy Bauer edited comment on OPENJPA-773 at 4/10/09 8:07 AM:
---------------------------------------------------------------
Attached patches to GERINIMO-4410 for the remainder of the spec API updates
based on the 10/31/2008 JSR-317 draft. They were committed by David Jencks
under revision 718393. Corresponding OpenJPA updates were committed under
721073. New methods were stubbed out and will throw an
UnsupportedOperationException containing the message: "JPA 2.0 - Method not
yet implemented".
was (Author: techhusky):
Attached patches to GERINIMO-4410 for the remainder of the spec API updates
based on the 10/31/2008 JSR-317 draft. They were committed by David Jencks
under revision 718393. Corresponding OpenJPA updates were committed under
721073. New methods were stubbed out and will throw an
UnsupportedOperationException containing the message: "JPA 2.0 - Method not
yet implemented".
One issue I ran into is that the javax.persistence.Query interface in the JPA
2.0 spec added a method with the signature:
public List getPositionalParameters()
OpenJPA's Query implementation class (org.apache.openjpa.persistence.QueryImpl)
and OpenJPA interface (org.apache.openjpa.persistence.OpenJPAQuery) contained a
public method with this signature:
public Object[] getPositionalParameters()
resulting in an incompatible method signature. Having identically named, same
parameter, methods with different return types is not allowed in Java.
This method is only called in one location internally. So, for the time being
the public method signature on the OpenJPA class and interface have been
changed and the method caller has been modified to use the new method.
However, this is a public interface so, in my opinion, the change should be
discussed and approved by the community. Minimally, the change needs to be
documented.
> Upgrade to JPA 2
> ----------------
>
> Key: OPENJPA-773
> URL: https://issues.apache.org/jira/browse/OPENJPA-773
> Project: OpenJPA
> Issue Type: New Feature
> Reporter: Pinaki Poddar
> Assignee: Jeremy Bauer
> Fix For: 2.0.0
>
>
> Here are few basic points on upgrading to JPA 2.0 API. This is an effort to
> consolidate the ongoing discussion on this issue and some how-to steps for
> those who are involved in developing JPA 2.0 features or writing tests.
> 1. A draft version of JPA 2.0 Specification is published on Oct 31, 2008 [1]
> 2. The source code of the new and modified JPA API is not available
> 3. OpenJPA community has decided
> a) to develop its own version of JPA API Source code according to the
> spec [2].
> This decision helps us to control our own destiny especially in terms
> of few implemented classes.
> b) JPA API 2.0 Source will reside in Geronimo Source Code repository [2].
> Geronimo Developer Mr.David Jencks will commit the source on behalf of
> OpenJPA.
> c) JPA 2.0 related development work will be carried out on OpenJPA trunk
> [3]
> Few basic steps on the process
> 1. Check out the JPA 2.0 API Source code from Geronimo SVN [4]
> 2. Modify or add the new API or Annotation
> 3. Create a patch and post the patch to Geronimo JIRA-4410 [5]
> 4. After David has committed the patch, add a test case to OpenJPA that
> exercises the modified API
> even if the implementation of the API is incomplete. Simply annotate the
> test class
> with @AllowFailure. Please refer to [6] for further details.
> 5. One iteration of the above steps were followed to add new Criteria API.
> The new API sources
> generated a snapshot version of JPA API jar. OpenJPA Maven build scripts
> are accordingly
> updated [7] to link against this new jar.
>
> [1] http://jcp.org/aboutJava/communityprocess/edr/jsr317/index.html
> [2] http://n2.nabble.com/Updating-the-JPA-spec-jar-for-JPA-2.0-tt1482013.html
> [3] http://n2.nabble.com/JPA-2.0-development-plans...-tt1129341.html
> [4]
> https://svn.apache.org/repos/asf/geronimo/specs/trunk/geronimo-jpa_2.0_spec/
> [5] http://issues.apache.org/jira/browse/GERONIMO-4410
> [6] https://issues.apache.org/jira/browse/OPENJPA-766
> [7] https://issues.apache.org/jira/browse/OPENJPA-772
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