newbie questions

[Hanasaki JiJi <ha...@hanaden.com>]

Any comparisons w/ castor?

Will obj implement the Sun JDO API or just the JDO concept (ala castor)?

The web site says JDO support is not quite yet ready.  Any target date?

Thank you.

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Re: newbie questions

[Thomas Mahler <th...@apache.org>]

Hi,

Hanasaki JiJi wrote:
> Any comparisons w/ castor?

http://www.c2.com/cgi/wiki?ObjectRelationalToolComparison

> Will obj implement the Sun JDO API or just the JDO concept (ala castor)?
> 

We will implement SUN JDO and try to pass the JDO TCK.

> The web site says JDO support is not quite yet ready.  Any target date?
> 

If you don't mind to work with a CVS version you can use OJB in 100% JDO 
compliant way already. Just follow these steps:

0. check out cvs HEAD
1. download the JDO RI from SUN
(http://javashoplm.sun.com/ECom/docs/Welcome.jsp?StoreId=5&PartDetailId=JDOI
MP-1.0-G-CS&TransactionId=communitySource)

Unpack it and place the jdori.jar into the OJB lib directory.

2. run "ant with-jdori prepare-tutorials"
3. run "ant enhance-jdori"
4. run "bin/tutorial5.sh"

5. enJoy!

This implementation is based on SUN's JDORI and provides a backend 
plugin to persist data to an RDBMS via OJB.

We will also have a standalone JDO implementation, but this is not yet 
scheduled.

cheers,
Thomas


> Thank you.
>