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From "Piotr Klimczak (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-3686) Allow to share cache between bundles, and only clear cache when no more bundles access that cache
Date Fri, 10 Jun 2011 14:58:58 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-3686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13047232#comment-13047232
] 

Piotr Klimczak commented on CAMEL-3686:
---------------------------------------

Please note, that my solution will not fulfill this requirement: "and only clear cache when
no more bundles access that cache" as you have to take care by yourself about closing/clearing
cache.
But I can implement such functionality if you want to.

> Allow to share cache between bundles, and only clear cache when no more bundles access
that cache
> -------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-3686
>                 URL: https://issues.apache.org/jira/browse/CAMEL-3686
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-cache
>    Affects Versions: 2.4.0
>         Environment: camel-cache 2.4.0-fuse-01-00
>            Reporter: Justas
>             Fix For: 2.9.0
>
>         Attachments: camel-cache.shared.patch, camel-cache.zip, diff.txt
>
>
> I am using camel-cache component in serviceMix. Cache endpoint uri is 
> "cache://elements?maxElementsInMemory=2&memoryStoreEvictionPolicy=MemoryStoreEvictionPolicy.FIFO&overflowToDisk=false&eternal=false&timeToLiveSeconds=800"

> I have 2 bundles (core.jar, services.jar). Inside those bundles I use 
> @EndpointInject(uri = Constants.CACHE_URI) 
> ProducerTemplate cacheTemplate; 
> cacheTemplate.requestBodyAndHeaders(...) 
> core.jar puts and reads elements from cache. 
> services.jar only reads elements from cache. 
> After deploying both bundles it works fine, but if i uninstall services.jar, cache is
"destroyed". core.jar (and all others) can't put objects into cache anymore. 
> How could I make all bundles to "share" the same cache? 

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