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https://issues.apache.org/jira/browse/CONFIGURATION-302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oliver Heger updated CONFIGURATION-302:
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Fix Version/s: 1.6
Assignee: Oliver Heger
> FileChangedReloadingStrategy.reloadingRequired() can fail
> ---------------------------------------------------------
>
> Key: CONFIGURATION-302
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-302
> Project: Commons Configuration
> Issue Type: Bug
> Affects Versions: 1.5
> Reporter: Pino Navato
> Assignee: Oliver Heger
> Priority: Minor
> Fix For: 1.6
>
>
> If reloadingRequired() returns true and you call it again before calling
> reloadingPerformed(), the 2nd time it can return false (but you have not yet
> reloaded!) because it doesn't check the file system again until the refresh
> delay is expired.
> Of course this is a very unusual test case (usually you reload immediately)
> but the behaviour of the method should be consistent in this case too: if
> reloadingRequired() returns true any subsequent call to this method should
> return true until reloadingPerformed() is called.
> In my project I have fixed the method by promoting the flag called
> "reloading" to class scope so I that can check whether the previous call
> returned true or false:
> protected boolean reloading = false;
> public boolean reloadingRequired()
> {
> if (!reloading)
> {
> long now = System.currentTimeMillis();
> if (now > lastChecked + refreshDelay)
> {
> lastChecked = now;
> if (hasChanged())
> {
> reloading = true;
> }
> }
> }
> return reloading;
> }
> Of course I reset this flag in init() and reloadingPerformed().
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