[jira] [Created] (OPENJPA-2760) Cache classes, esp DataCacheManagerImpl should be less private

["Krzysztof Nienartowicz (JIRA)" <ji...@apache.org>]

Krzysztof Nienartowicz created OPENJPA-2760:
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             Summary: Cache classes, esp DataCacheManagerImpl should be less private
                 Key: OPENJPA-2760
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2760
             Project: OpenJPA
          Issue Type: Improvement
          Components: datacache
            Reporter: Krzysztof Nienartowicz


We are trying to circumvent N+1 query problem by making cache more 1-m relations aware. We have a working solution, but it would be much more elegant if the datacache classes were much more expandable, i.e. is DataCacheManagerImpl very private and this with a specialized code in the AbstractDataCache that is supposed to be the base for cache expandability does not help (i.e. we have there:

...

*if*(manager *instanceof* DataCacheManagerImpl){

...

 

Could you please refactor so all cache fields to be protected, esp in this class? We can send a patch as well.

Once we have a working solution for N+1 problem we can share it, it looks promising, but we are still unsure about certain corner cases. 

Thanks

 



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