Hibernate in Cocoon

2006-01-05 Thread David Kavanagh
Has anyone interfaced with Hibernate in a pipeline? Did you write a 
transformer, call JavaFlow or something else?
I'm thinking of using the Hibernate XML export feature to load objects 
into my pipeline (inside a transformer). I'd certainly appreciate 
hearing about any existing work in this area.


David

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Re: Hibernate in Cocoon

2006-01-05 Thread Jason Johnston

David Kavanagh wrote:
Has anyone interfaced with Hibernate in a pipeline? Did you write a 
transformer, call JavaFlow or something else?
I'm thinking of using the Hibernate XML export feature to load objects 
into my pipeline (inside a transformer). I'd certainly appreciate 
hearing about any existing work in this area.


I assume you've seen 
http://wiki.apache.org/cocoon/CocoonAndHibernateTutorial and the other 
resources found by googling for "cocoon hibernate".  It looks like most 
of these use Hibernate by calling it from Flow to get back a javabean 
and use that in jxtemplate/cforms.  I didn't see anything about 
Hibernate's XML export feature (sorry I'm not familiar with this 
feature) but it shouldn't be difficult to do that from Flow.


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Re: Hibernate in Cocoon

2006-01-09 Thread Beat De Martin
David Kavanagh wrote:
> Has anyone interfaced with Hibernate in a pipeline? Did you write a 
> transformer, call JavaFlow or something else?
> I'm thinking of using the Hibernate XML export feature to load objects 
> into my pipeline (inside a transformer). I'd certainly appreciate 
> hearing about any existing work in this area.

I'd like to do the same. I may do it with a generator.
Bye
Beat De Martin

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Re: [Cocoon-Users] Re: Hibernate in Cocoon

2006-01-09 Thread David Kavanagh




FWIW, You can probably get more mileage out of a transformer. That way,
you can pass config information into it via the pipeline, which would
allow you to configure it via request params more easily. I've bene
this route with Excel input and ended up with a transformer because it
was a lot more flexible. Imagine, you can also throw it anyplace in
your pipeline and have it operate on just the namespace it uses. (I'm
sure others have said it better...)

However, in my case (and after looking at the cocoon-hibernate
tutorial), we've decided to bypass cocoon in favor of our own SQL
Transformer (which is quite a bit different and more advanced than the
stanard cocoon one). We just didn't need the caching and lazy loading
that hibernate would have provided. We need to drive an AJAX tree view
of a tree data structure.

David

Thus Spoke Beat De Martin:

  David Kavanagh wrote:
  
  
Has anyone interfaced with Hibernate in a pipeline? Did you write a 
transformer, call JavaFlow or something else?
I'm thinking of using the Hibernate XML export feature to load objects 
into my pipeline (inside a transformer). I'd certainly appreciate 
hearing about any existing work in this area.

  
  
I'd like to do the same. I may do it with a generator.
Bye
Beat De Martin

  





Re: [Cocoon-Users] Re: Hibernate in Cocoon

2006-01-10 Thread Irv Salisbury
>From what I have seen, the typical way people have used Hibernate is the following:

1. Javaflow or flowscript gets the initial call
2. All the request parameters, etc are all dealt with in flow
3. Hibernate is used from within flow to deal with the business request
4. When the request is processed, java objects representing the result are passed to the jxtemplate generator
5. Normal cocoon pipeline processing (jxtg, xsl, etc) are used to send final result

IrvOn 1/9/06, David Kavanagh <[EMAIL PROTECTED]> wrote:



  
  


FWIW, You can probably get more mileage out of a transformer. That way,
you can pass config information into it via the pipeline, which would
allow you to configure it via request params more easily. I've bene
this route with Excel input and ended up with a transformer because it
was a lot more flexible. Imagine, you can also throw it anyplace in
your pipeline and have it operate on just the namespace it uses. (I'm
sure others have said it better...)

However, in my case (and after looking at the cocoon-hibernate
tutorial), we've decided to bypass cocoon in favor of our own SQL
Transformer (which is quite a bit different and more advanced than the
stanard cocoon one). We just didn't need the caching and lazy loading
that hibernate would have provided. We need to drive an AJAX tree view
of a tree data structure.

David

Thus Spoke Beat De Martin:

  David Kavanagh wrote:  
  
Has anyone interfaced with Hibernate in a pipeline? Did you write a transformer, call JavaFlow or something else?I'm thinking of using the Hibernate XML export feature to load objects into my pipeline (inside a transformer). I'd certainly appreciate 
hearing about any existing work in this area.
  
  I'd like to do the same. I may do it with a generator.ByeBeat De Martin