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From "Oliver Heger (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (CONFIGURATION-341) FileChangedReloadingStrategy not working for SubnodeConfiguration with a CombinedConfiguration parent
Date Mon, 20 Oct 2008 19:57:44 GMT

     [ https://issues.apache.org/jira/browse/CONFIGURATION-341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Oliver Heger resolved CONFIGURATION-341.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.6

A fix was applied to trunk and to the configuration2 branch.

> FileChangedReloadingStrategy not working for SubnodeConfiguration with a CombinedConfiguration
parent
> -----------------------------------------------------------------------------------------------------
>
>                 Key: CONFIGURATION-341
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-341
>             Project: Commons Configuration
>          Issue Type: Bug
>          Components: File reloading
>    Affects Versions: 1.5
>            Reporter: Brian Pugh
>            Assignee: Oliver Heger
>             Fix For: 1.6
>
>
> A SubnodeConfiguration that has a CombinedConfiguration as its parent, doesn't "hot"
reload properties even if the combined configuration consists of XMLConfigurations that have
the FileChangedReloadingStrategy set, the combined configuration has the setForceReloadCheck
flag set and the SubnodeConfiguration was obtained by calling configurationAt method and passing
in true for the "supportUpdates" flag.  
> Here's some code that shows the problem where the final assertion will fail.
>  @Test
>   public void testSubnodeReadload() throws ConfigurationException {
>     XMLConfiguration xmlConfiguration = new XMLConfiguration("service.xml");
>     FileChangedReloadingStrategy fileReloadStrategy = new FileChangedReloadingStrategy();
>     fileReloadStrategy.setRefreshDelay(1000);
>     xmlConfiguration.setReloadingStrategy(fileReloadStrategy);
>     XMLConfiguration config2 = new XMLConfiguration("environment.xml");
>     FileChangedReloadingStrategy fileReloadStrategy2 = new FileChangedReloadingStrategy();
>     fileReloadStrategy2.setRefreshDelay(1000);
>     xmlConfiguration.setReloadingStrategy(fileReloadStrategy2);
>     CombinedConfiguration combinedConfig = new CombinedConfiguration();
>     combinedConfig.setForceReloadCheck(true);
>     combinedConfig.addConfiguration(xmlConfiguration);
>     combinedConfig.addConfiguration(config2);
>     int queue0threads2 = xmlConfiguration.getInt("messaging-new.queue(0).threads");
>     assert 2 == queue0threads2;
>     //change the value in service.xml to 4
>     int queue0threads4 = xmlConfiguration.getInt("messaging-new.queue(0).threads");
>     assert 4 == queue0threads4;
>     SubnodeConfiguration subConfigHier = xmlConfiguration.configurationAt("messaging-new.queue(0)",
true);
>     int queue0threadsCombinedSub4 = subConfigHier.getInt("threads");
>     assert queue0threadsCombinedSub4 == 4;
>     //change the value service.xml to 8
>     int queue0threadsCombinedSub8 = subConfigHier.getInt("threads");
>     assert queue0threadsCombinedSub8 == 8;
>     SubnodeConfiguration subNodeConfigParentIsCombinedConfig = combinedConfig.configurationAt("messaging-new.queue(0)",
true);
>     int queue0threadsSub8 = subNodeConfigParentIsCombinedConfig.getInt("threads");
>     assert queue0threadsSub8 == 8;
>     //change the value service.xml file to 16
>     int queue0threadsSub16 = subNodeConfigParentIsCombinedConfig.getInt("threads");
>     assert queue0threadsSub16 == 16;         //THIS TEST FAILS
>   }

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