[jboss-jira] [JBoss JIRA] (DROOLS-1443) Improve effect of caching in ChainedProperties.

[Mario Fusco (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-1443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13365312#comment-13365312 ] 

Mario Fusco commented on DROOLS-1443:
-------------------------------------

What you're suggesting sounds interesting but it is not entirely clear to me. In particular I don't understand how you could implement meaningful hashcode and equals methods on a ClassLoader. If you already implemented this could you maybe send a pull request with what you did or at least paste it somewhere? Thank you.

> Improve effect of caching in ChainedProperties.  
> -------------------------------------------------
>
>                 Key: DROOLS-1443
>                 URL: https://issues.jboss.org/browse/DROOLS-1443
>             Project: Drools
>          Issue Type: Enhancement
>          Components: core engine
>            Reporter: Hans Lund
>            Assignee: Mario Fusco
>            Priority: Minor
>
> The ChainedProperties utility has a caching setting that will cache the classpath discovery of property resource - but not the parsing of these resources.
> This utility is a hot spot for the initialization of runtime environments - caching the parsed properties instead of the resource url will improve runtime performance.
> Changing the caching strategy will make hot changes to classpath property resources impossible. File based property files could be made safe cacheable by investigating file metadata and only read if changed.     



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