[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-174) Improve transparent filter caching by wrapping filters into our own CachingWrapperFilter

[Emmanuel Bernard (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_29850 ] 

Emmanuel Bernard commented on HSEARCH-174:
------------------------------------------

ntroduce a @FullTextFilterDef.enableCachingWrapperFilter
whose value could be AUTOMATIC, TRUE, FALSE
HSearch could then use it's own implementation of CachingWrapperFilter
AUTOMATIC would use a wrapper when cache=true is used, and not use one when cache=false
This solution is my favorite so far, I think I will introduce it in 3.1


About caching key: it should be cached by "all elements" in a way. This is probably possible by storing an HashMap as a value containing all readers having their first elements as key. 

> Improve transparent filter caching by wrapping filters into our own CachingWrapperFilter
> ----------------------------------------------------------------------------------------
>
>                 Key: HSEARCH-174
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-174
>             Project: Hibernate Search
>          Issue Type: Improvement
>          Components: engine
>            Reporter: Emmanuel Bernard
>             Fix For: 3.1.0
>
>
> See http://forum.hibernate.org/viewtopic.php?t=984107&highlight=filter+cache

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