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

["Andrus Adamchik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CAY-2259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904626#comment-15904626 ] 

Andrus Adamchik edited comment on CAY-2259 at 3/10/17 7:37 AM:
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I fixed #1 in Bootique (https://github.com/bootique/bootique-cayenne/tree/master/bootique-cayenne-jcache/src/main/java/io/bootique/cayenne/jcache/cache). This solution can be ported to Cayenne. The beauty of it is that it is backwards compatible in a sense that the code outside Cayenne can now place entries in the same caches as Cayenne and they will get invalidated (as well as their own untyped caches). #2 above is just icing on the cake solving a problem with strictly typed caches and is not strictly required.


was (Author: andrus):
I fixed #1 in Bootique (https://github.com/bootique/bootique-cayenne/tree/master/bootique-cayenne-jcache/src/main/java/io/bootique/cayenne/jcache/cache). This solution can be ported to Cayenne. The beauty of it is that it is backwards compatible in a sense that the code outside Cayenne can now place entries in the same caches as Cayenne and they will get invalidated. #2 above is just icing on the cake and is not strictly required.

> 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: Andrus Adamchik
>
> 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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