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https://issues.apache.org/jira/browse/OPENJPA-980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12682394#action_12682394
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Kevin Sutter commented on OPENJPA-980:
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I have to question whether OpenJPA is the right repository for these type of
plugin implementations. OpenJPA defines and implements the plugin interface,
but do we want to be in the "business" of developing and supporting the various
plugin implementations? Take this EhCache implementation as an example. I'm
sure this implementation provides the level of function required by the
submitter. But, how do we know it's a general solution that can be used
outside of the submitter's environment and needs? And, do we plan to sign up
for support for this implementation? What version(s) of EhCache does this
plugin work with? And, who's going to support the next version (or past
versions) of EhCache?
IMHO, the implementation of a plugin should be provided with the product that
is being plugged in. In this particular example, should this EhCache
implementation be owned by the EhCache team? Now I know this particular case
probably won't fly, since Gavin probably doesn't want to promote the use of
OpenJPA... :-) But, you get the picture.
Maybe we should consider a sub-project to house plugin implementations that
wish to be supported? Something like OpenJPA-Plugins, or OpenJPA-Caches, or
OpenJPA-EhCache (depending on the desired granularity). We just need to be
aware of what we're signing up for when we accept contributions like this.
Thanks.
Kevin
> EhCache implementation of OpenJPA caching
> -----------------------------------------
>
> Key: OPENJPA-980
> URL: https://issues.apache.org/jira/browse/OPENJPA-980
> Project: OpenJPA
> Issue Type: New Feature
> Components: datacache
> Affects Versions: 1.2.0
> Reporter: Craig
>
> I created QueryCache and DataCache implementations for EhCache. I think it
> would be great to see this included in a future version of OpenJPA, as
> presently, OpenJPA includes only its own implementation.
> The code is licensed under the APL 2.0 and includes unit tests.
> My implementation is based on the work of Pinaki Poddar, who created a
> DataCache implementation for Coherence - I think that would also be nice to
> include.
> http://candrews.integralblue.com/2009/03/ehcache-implementation-of-openjpa-caching/
> Thanks!
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