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https://issues.apache.org/jira/browse/FELIX-3395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13229493#comment-13229493
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Pieter commented on FELIX-3395:
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I might agree with you last remark. I like Pax Runner as a way to provision
using a Maven repository, but dumping the cache is not an elegant thing to do.
I'll see which solution I can find in that area, but that's another issue.
Still I would love to have this feature, because it solves (works around) my
problem. As a final argument to sell it I would say it offers more freedom. For
people who don't use it, it doesn't harm. But maybe there are more people like
me, who for some reason would like to persist this data on a specific location.
> Make preferences persistence location configurable
> --------------------------------------------------
>
> Key: FELIX-3395
> URL: https://issues.apache.org/jira/browse/FELIX-3395
> Project: Felix
> Issue Type: Wish
> Components: Preferences Service
> Reporter: Pieter
>
> I want Preference Service to persist stored preferences and have them survive
> system restarts. Preference Service stores its stuff in the OSGi frameworks'
> cache region, which get cleared on restart (by Pax Runner, which is what I
> use). Trying to get around this was problematic, so I figured it would be
> nice to be able have the preferences database outside the cache directory. A
> system property like "felix.prefs.rootdir" could be used to set the location.
> I patched the Preference Service from trunk to get this feature and the
> changes are minimal, I just added the following lines to the
> DataFileBackingStoreImpl constructor:
> String configuredRootDir = System.getProperty("felix.prefs.rootdir");
> this.rootDirectory = configuredRootDir == null ?
> context.getDataFile("") : new File(configuredRootDir);
> this.rootDirectory.mkdirs();
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