Re: [eclipselink-dev] Any document describing weaving details?

[Tom Ware <tom.ware@xxxxxxxxxx>]

Hi Mitesh,

  The comments in the weaving classes are good place to start.

  After that, I think the best way to understand what is happening is to use 
some of our weaving debug flags and a decompiler.  Start with the following 
system properties:

-Declipselink.weaving.output.path=<path>
-Declipselink.weaving.overwrite.existing=true

  That will send the weaved classes to <path>

  To isolate the different parts of weaving, you can use the following 
persistence unit properties.  They can all be set to true or false:

eclipselink.weaving.lazy - to enable/disable weaving of lazy relationships

eclipselink.weaving.internal - to enable/disable performance features like 
primary key caching

eclipselink.weaving.changetracking - to enable/disable our weaving of classes to 
use our change tracking feature

eclipselink.weaving.fetchgroups - to enable/disable our weaving that allows 
fetch groups

  Hopefully all that information will be helpful.  If not, there is a doc here, 
that may provide some additional information.  Unfortunately it was written 
prior to the time when our docs were available in Open source, so it may require 
approvals/edits prior to sharing it.  If you need it in the end, let me know and 
I will see what I can do.

-Tom






Mitesh Meswani wrote:
> I am starting to work on Validation API integration 
> <http://wiki.eclipse.org/EclipseLink/Development/JPA_2.0/validation_api_integration>. 
> Implementing the integration methods isLoaded...() specified by Bean 
> Validation spec would require understanding details of weaved code by 
> EclipseLink. Do we have a document that describes these details?
>
> Thanks,
> Mitesh
>
>
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