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Posted to dev@geronimo.apache.org by Ashish Jain <as...@gmail.com> on 2009/11/13 10:05:00 UTC
Toplink plugin for geronimo
Hi All,
Is it worth to have a toplink plugin for geronimo? Please provide your
comments.
Thanks
Ashish
RE: Toplink plugin for geronimo
Posted by Fei LI <FL...@mdacorporation.com>.
Thanks Keven,
Let me do some home learning on these 2 topic first.
________________________________
From: Kevan Miller [mailto:kevan.miller@gmail.com]
Sent: Tuesday, November 17, 2009 11:05 AM
To: dev@geronimo.apache.org
Subject: Re: Toplink plugin for geronimo
On Nov 15, 2009, at 10:08 AM, Fei LI wrote:
Hi Kevan,
This is a very good subject. I am an experienced Java/J2EE
application developer but only have the experience how to use a Web
server, never develop a Web server.
Understood. Implementing an EE server is certainly different. However,
"user" experience can be very valuable in helping us to develop a more
usable EE server.
I can try. But I do not know how it can work out. So many things
new to learn. If you can find a supervisor for me, it would be awesome.
He give me a direction and I implement his idea. We can work together.
It will be much fast than I act alone. How do you think?
Donald Woods is working on developing a plugin for OpenJPA 2.0. See
https://svn.apache.org/repos/asf/geronimo/plugins/openjpa2/branches
Geronimo currently uses OpenJPA 1.2.1 for EE 5 compliance. However,
OpenJPA is working on their JPA 2.0 support for EE6. This plugin would
enable JPA 2.0 support in a Geronimo server. So, it would be a good
guide to identify what would need to be done to create an EclipseLink
plugin. Have a look and feel free to ask questions.
Another topic I am very interested is concurrency programming. I
made commercial one 8 years ago and people still use it, but I know it
was not good one after I read the book "Java Concurrency in practice".
Now I believe I can do much, much better on this topic.
Cool. There's been Concurrency EE specs (Timer and Work Manager)
floating around for a while. I don't recall the JSR numbers offhand. The
spec(s) didn't make it into EE6. IIRC, the two specs may have been
collapsed into 1 spec.
Jarek, had done some implementation work on a draft version of the spec.
You'll find the current implementation here --
http://svn.apache.org/repos/asf/geronimo/server/branches/2.2/plugins/con
current/
--kevan
Re: Toplink plugin for geronimo
Posted by Kevan Miller <ke...@gmail.com>.
On Nov 15, 2009, at 10:08 AM, Fei LI wrote:
> Hi Kevan,
>
> This is a very good subject. I am an experienced Java/J2EE application developer but only have the experience how to use a Web server, never develop a Web server.
Understood. Implementing an EE server is certainly different. However, "user" experience can be very valuable in helping us to develop a more usable EE server.
>
> I can try. But I do not know how it can work out. So many things new to learn. If you can find a supervisor for me, it would be awesome. He give me a direction and I implement his idea. We can work together. It will be much fast than I act alone. How do you think?
Donald Woods is working on developing a plugin for OpenJPA 2.0. See https://svn.apache.org/repos/asf/geronimo/plugins/openjpa2/branches
Geronimo currently uses OpenJPA 1.2.1 for EE 5 compliance. However, OpenJPA is working on their JPA 2.0 support for EE6. This plugin would enable JPA 2.0 support in a Geronimo server. So, it would be a good guide to identify what would need to be done to create an EclipseLink plugin. Have a look and feel free to ask questions.
>
> Another topic I am very interested is concurrency programming. I made commercial one 8 years ago and people still use it, but I know it was not good one after I read the book "Java Concurrency in practice". Now I believe I can do much, much better on this topic.
Cool. There's been Concurrency EE specs (Timer and Work Manager) floating around for a while. I don't recall the JSR numbers offhand. The spec(s) didn't make it into EE6. IIRC, the two specs may have been collapsed into 1 spec.
Jarek, had done some implementation work on a draft version of the spec. You'll find the current implementation here -- http://svn.apache.org/repos/asf/geronimo/server/branches/2.2/plugins/concurrent/
--kevan
RE: Toplink plugin for geronimo
Posted by Fei LI <FL...@mdacorporation.com>.
Hi Kevan,
This is a very good subject. I am an experienced Java/J2EE application developer but only have the experience how to use a Web server, never develop a Web server.
I can try. But I do not know how it can work out. So many things new to learn. If you can find a supervisor for me, it would be awesome. He give me a direction and I implement his idea. We can work together. It will be much fast than I act alone. How do you think?
Another topic I am very interested is concurrency programming. I made commercial one 8 years ago and people still use it, but I know it was not good one after I read the book "Java Concurrency in practice". Now I believe I can do much, much better on this topic.
Thanks
Fei Li
________________________________
From: Kevan Miller [mailto:kevan.miller@gmail.com]
Sent: Sat 14/11/2009 7:59 AM
To: dev@geronimo.apache.org
Subject: Re: Toplink plugin for geronimo
On Nov 13, 2009, at 10:02 AM, Fei LI wrote:
Yes, I vote for it strongly. But if IBM takes an anti-Oracle position, then I do not know.
That's not how it works in an Apache community. If users are interested in the capability and someone in the community is interested in developing (and supporting) it, barring architectural/technical/legal objections, it will happen. A plugin, on it's own, would not generate much in the way of architectural/technical objections... If the plugin was driving a lot of changes in other parts of the server, then there might be some objections. But, I doubt that would happen... So, assuming there aren't legal/licensing issues, there's nothing preventing this...
Perhaps you're interested in helping to develop it? ;-)
--kevan
Re: Toplink plugin for geronimo
Posted by Kevan Miller <ke...@gmail.com>.
On Nov 13, 2009, at 10:02 AM, Fei LI wrote:
> Yes, I vote for it strongly. But if IBM takes an anti-Oracle position, then I do not know.
That's not how it works in an Apache community. If users are interested in the capability and someone in the community is interested in developing (and supporting) it, barring architectural/technical/legal objections, it will happen. A plugin, on it's own, would not generate much in the way of architectural/technical objections... If the plugin was driving a lot of changes in other parts of the server, then there might be some objections. But, I doubt that would happen... So, assuming there aren't legal/licensing issues, there's nothing preventing this...
Perhaps you're interested in helping to develop it? ;-)
--kevan
RE: Toplink plugin for geronimo
Posted by Fei LI <FL...@mdacorporation.com>.
Yes, I vote for it strongly. But if IBM takes an anti-Oracle position,
then I do not know.
Thanks
Fei Li
________________________________
From: Ashish Jain [mailto:ashjain2@gmail.com]
Sent: Friday, November 13, 2009 4:05 AM
To: dev@geronimo.apache.org
Subject: Toplink plugin for geronimo
Hi All,
Is it worth to have a toplink plugin for geronimo? Please provide your
comments.
Thanks
Ashish
Re: Toplink plugin for geronimo
Posted by Quintin Beukes <qu...@skywalk.co.za>.
It should be worth it as something not shipped, but documented and available.
It will definitely open the door for Toplink apps to be ported to
Geronimo. Even though JPA is a spec not all providers act the same. I
had application written with Toplink and when I started building
OpenEJB unit tests I had to find a way to either get toplink working
in OpenEJB or modify the JPA code to support both. This is especially
true if you use non-JPA features. So having support for Toplink that
can be enabled by just loading a plugin will certainly make some
people happy.
Further, as I understand it, EclipseLink is the new versions of the
free Toplink (Toplink Essentials). It was renamed to EclipseLink. Then
you still get "Toplink" which is Oracle's enterprise grade JPA
provider with much more advanced features like clusters/grids/etc.
Quintin Beukes
On Sat, Nov 14, 2009 at 10:18 AM, Ashish Jain <as...@gmail.com> wrote:
> It will be a geronimo plugin which can be installed using the plugin portlet
> or command line.
> This will be only for those user who wants to use toplink as the persistence
> provider with geronimo.
> However the default persistence provider out of the box will still be
> openJPA.
>
> Thanks
> Ashish
>
> On Fri, Nov 13, 2009 at 8:36 PM, Donald Woods <dw...@apache.org> wrote:
>>
>> I assume you mean EclipseLink?
>> http://wiki.eclipse.org/EclipseLink
>>
>> Seems like more of a users list question, as OpenJPA is the chosen JPA
>> provider for our JavaEE certified assemblies....
>>
>>
>> -Donald
>>
>>
>> Ashish Jain wrote:
>>>
>>> Hi All,
>>>
>>> Is it worth to have a toplink plugin for geronimo? Please provide your
>>> comments.
>>>
>>> Thanks
>>> Ashish
>
>
Re: Toplink plugin for geronimo
Posted by Kevan Miller <ke...@gmail.com>.
On Nov 14, 2009, at 3:18 AM, Ashish Jain wrote:
> It will be a geronimo plugin which can be installed using the plugin portlet or command line.
> This will be only for those user who wants to use toplink as the persistence provider with geronimo.
> However the default persistence provider out of the box will still be openJPA.
From a licensing perspective, I don't see how you could provide a "Toplink" plugin. Thus Donald's question about "EclipseLink", which would seem to have acceptable licensing...
--kevan
Re: Toplink plugin for geronimo
Posted by Ashish Jain <as...@gmail.com>.
It will be a geronimo plugin which can be installed using the plugin portlet
or command line.
This will be only for those user who wants to use toplink as the persistence
provider with geronimo.
However the default persistence provider out of the box will still be
openJPA.
Thanks
Ashish
On Fri, Nov 13, 2009 at 8:36 PM, Donald Woods <dw...@apache.org> wrote:
> I assume you mean EclipseLink?
> http://wiki.eclipse.org/EclipseLink
>
> Seems like more of a users list question, as OpenJPA is the chosen JPA
> provider for our JavaEE certified assemblies....
>
>
> -Donald
>
>
>
> Ashish Jain wrote:
>
>> Hi All,
>>
>> Is it worth to have a toplink plugin for geronimo? Please provide your
>> comments.
>>
>> Thanks
>> Ashish
>>
>
Re: Toplink plugin for geronimo
Posted by Donald Woods <dw...@apache.org>.
I assume you mean EclipseLink?
http://wiki.eclipse.org/EclipseLink
Seems like more of a users list question, as OpenJPA is the chosen JPA
provider for our JavaEE certified assemblies....
-Donald
Ashish Jain wrote:
> Hi All,
>
> Is it worth to have a toplink plugin for geronimo? Please provide your
> comments.
>
> Thanks
> Ashish