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From "Daniel Pitts (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OGNL-22) Change the generics signature of ClassCache and ClassCacheImpl.
Date Mon, 19 Sep 2011 00:10:09 GMT

    [ https://issues.apache.org/jira/browse/OGNL-22?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13107565#comment-13107565
] 

Daniel Pitts commented on OGNL-22:
----------------------------------

By "Alternative to this" I mean implementing OGNL-20 for these caches. 

> Change the generics signature of ClassCache and ClassCacheImpl.
> ---------------------------------------------------------------
>
>                 Key: OGNL-22
>                 URL: https://issues.apache.org/jira/browse/OGNL-22
>             Project: OGNL
>          Issue Type: Improvement
>            Reporter: Daniel Pitts
>
> Right now, ClassCache and ClassCacheImpl use some generics, but they do casting at the
method level, which leads to possible ClassCastException, and doesn't quite support safe static
typing.  
> I'll be glad to provide a patch when I have some time.  I'd like to have OGNL-21 resolved
first, as it reduces the amount of code I'd have to touch to implement this change.
> The proposed signatures would be interface ClassCache<V> and class ClassCacheImpl<V>
implements ClassCache<V>
> Changing the get/put methods to take and return "V" type objects.
> Alternative to this is to replace all of them with a "ConcurrentMap<Class<?>,
V>".

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