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From "Luigi Lauro (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2469) Java Web Start JNLP PersistenceService API storage support
Date Wed, 06 Jun 2007 09:30:26 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luigi Lauro updated DERBY-2469:
-------------------------------

    Attachment: svn-diff-20070606

Cleaned the implementation a bit and improved java docs.

Now the implementation, feature-wise, should be 95% complete.

What I need now is someone with a higher knowledge of the derby internals than me (or more
available time to spend to tinker with it), to pick up my implementation for code review and
to give it a try with the storage test suite and with some real world tests, to see what I
did wrong and have to be fixed.

I can help with any problem, but I seriously need some help for the testing/reviewing, otherwise
I would have to spend too much time finding out how to properly test my implementation with
Derby, and this is not something I can afford to do presently (other higher priorities).

Anyone willing to lend me a hand? I would really appreciate it, and be very willing to listen
and fix any things that may comes up, and we would soon have a new cool storage implementation
for this wonderful database ;-)

Also, I'm still trying to find a way to make derby use the smallest number of files and disk
space possible, in order to make it work with the given tight constraints of the current BUGGED
(Check: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6539564 and VOTE!) Sun implementation
of PersistenceService API.

David, Jeff, Dan, Andrew, Francois... I'm talking with you guys! ;-)

Thanks in advance for any help.

> Java Web Start JNLP PersistenceService API storage support
> ----------------------------------------------------------
>
>                 Key: DERBY-2469
>                 URL: https://issues.apache.org/jira/browse/DERBY-2469
>             Project: Derby
>          Issue Type: New Feature
>          Components: Store
>    Affects Versions: 10.2.2.0
>         Environment: Java Web Start
>            Reporter: Luigi Lauro
>            Priority: Minor
>         Attachments: JNLPStorageFactory.java, JNLPStorageFactory.java, SimpleStorageFactory.java,
svn-diff-20070329, svn-diff-20070606
>
>
> I would love to have Derby write/read to the storage area provided by the JNLP PersistenceService
API.
> Since Derby is now bundled with the Java6 JDK as JavaDB, I think this  integration would
go a long way towards making derby more developer- friendly in Java Web Start environments,
where using the sandbox tools Sun provides us it the right way to go, instead of working 
around it and force the user to give the app the authorization to write on the hard drive
IMHO.
> I'm investigating the effort needed to provide an implementation of the WritableStorageFactory
interface around the PersistenceService API, and if that's doable in a few days work, I will
start working on it and submit a patch for testing/approval ASAP.
> Feel free to volounteer and provide pointers/hints/whatever, it's really appreciate,
especially since I currently know nothing of derby internals.

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