Thanks for comments Timothy. My fault I didn't look at correct version of document. Iam going to remove that task.
Cheers, Adam On Thu, Dec 10, 2009 at 11:41 AM, Timothy Ward <[email protected]>wrote: > > RFC 143 is really an internal requirements document from the OSGi > enterprise expert group. The latest version of the Persistence Unit Service > draft specification is available in the early draft of the 4.2 enterprise > release. > > http://www.osgi.org/download/osgi-4.2-enterprise-early-draft4.pdf > > There have been (and continue to be) a number of changes in this area, > including the part of the extender that is responsible for registering > providers. I don't want to stop anyone from getting started on JPA, I just > want to make sure that we focus our efforts on things that aren't > throw-away. > > I think working on Aries 79, combining the Meta-Persistence header into the > persistence.xml search could be a good place to start. > > Regards, > > Tim > > > Date: Thu, 10 Dec 2009 11:17:20 +0000 > > Subject: Re: [jira] Commented: (ARIES-77) Implement extender for > detecting provider bundles and registering provider service. > > From: [email protected] > > To: [email protected] > > > > Hi Timothy > > > > I got latest rfc-0143. Hopefully is the latest :). > > Have a look at summary of responsibilities: > > > > Extender Responsibilities > > > > 1. > > > > Detect Provider bundles > > 2. > > > > Register providers as services using the provider name and version > > service properties > > 3. > > > > Detect persistence unit bundles based on the presence of > persistence.xml > > 4. > > > > Read all of the persistence unit metadata from the persistence.xml > file > > 5. > > > > Associate a provider with each persistence unit (using the name and > > version resolving) > > 6. > > > > Add exports from associated provider to persistence unit bundle > imports > > 7. > > > > Create PersistenceUnitInfoService from persistence unit metadata and > > additional context info > > 8. > > > > Register persistence units as services with persistence unit name and > > version as service properties > > > > Provider Responsibilities > > > > 1. > > > > When createEntityManagerFactory() is invoked, look up the > > PersistenceUnitInfoService for the named persistence unit and see if > the > > provider is set to the calling provider > > 2. > > > > Use the information from the PersistenceUnitInfoService to access the > > classes and resources to create an EntityManagerFactory > > 3. > > > > Use the JDBC service to access the driver (or JTA data source in a > > container) and obtain a data source from which it can obtain > connections. > > > > Cheers, > > Adam > > > > On Thu, Dec 10, 2009 at 11:08 AM, Timothy Ward <[email protected] > >wrote: > > > > > > > > Hi, > > > > > > I'm afraid I can't comment on JIRAs yet, because my id hasn't come > through, > > > but I wanted to warn you that the public draft of the OSGi Persistence > Unit > > > Service doesn't do this. > > > > > > At one point it seemed like this might be a nice idea, but the current > > > draft (which is still changing), doesn't require an extender to detect > and > > > register providers. In fact, it expects providers to register > themselves so > > > I'm not sure that this is a valuable feature to move across from the > > > contribution. > > > > > > > > > Tim > > > > > > > > > > Date: Wed, 9 Dec 2009 20:26:18 +0000 > > > > From: [email protected] > > > > To: [email protected] > > > > Subject: [jira] Commented: (ARIES-77) Implement extender for > detecting > > > provider bundles and registering provider service. > > > > > > > > > > > > [ > > > > https://issues.apache.org/jira/browse/ARIES-77?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12788292#action_12788292 > ] > > > > > > > > Lin Sun commented on ARIES-77: > > > > ------------------------------ > > > > > > > > FYI - the IBM initial contributed code has this function (in > > > persistenceprovidermanager.java). > > > > > > > > > > > > > > > > > Implement extender for detecting provider bundles and registering > > > provider service. > > > > > > > > > ----------------------------------------------------------------------------------- > > > > > > > > > > Key: ARIES-77 > > > > > URL: > https://issues.apache.org/jira/browse/ARIES-77 > > > > > Project: Aries > > > > > Issue Type: New Feature > > > > > Components: JPA > > > > > Affects Versions: Incubation > > > > > Reporter: Adam Wojtuniak > > > > > Assignee: Adam Wojtuniak > > > > > > > > > > 1.Detect Provider bundles > > > > > 2.Register providers as services using the provider name and > version > > > service properties > > > > > > > > -- > > > > This message is automatically generated by JIRA. > > > > - > > > > You can reply to this email to add a comment to the issue online. > > > > > > > > > > _________________________________________________________________ > > > View your other email accounts from your Hotmail inbox. 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