[jira] [Assigned] (CAY-2259) QueryCache: support for referencing type-safe caches

["Nikita Timofeev (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAY-2259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nikita Timofeev reassigned CAY-2259:
------------------------------------

    Assignee: Nikita Timofeev  (was: Andrus Adamchik)

> QueryCache: support for referencing type-safe caches
> ----------------------------------------------------
>
>                 Key: CAY-2259
>                 URL: https://issues.apache.org/jira/browse/CAY-2259
>             Project: Cayenne
>          Issue Type: Task
>    Affects Versions: 4.0.M5
>            Reporter: Andrus Adamchik
>            Assignee: Nikita Timofeev
>             Fix For: 4.0.M6
>
>
> With cayenne-jcache we lost the ability to invalidate caches not handled by Cayenne. The API for CacheManager's caches introspection requires the caller to know the generic parameters of a named cache. So we can no longer invalidate caches that were not created for Cayenne (and that are known to be of type "Cache<String, List>"). 
> A few changes to address this:
> 1. Internally use "untyped" caches for storage. This would allow the same caches to be reused by the code outside Cayenne.
> 2. Add API to QueryCache to handle invalidation of typed caches with known key and value types. Extend @CacheGroups annotation to specify cache generics "signatures", add support for it in CacheInvalidationFilter.



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