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https://issues.apache.org/jira/browse/DELTASPIKE-1335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16501652#comment-16501652
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ASF subversion and git services commented on DELTASPIKE-1335:
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Commit bb5ee1e699dbaab8e18af3659a71d72166bd67cc in deltaspike's branch
refs/heads/master from [~struberg]
[ https://git-wip-us.apache.org/repos/asf?p=deltaspike.git;h=bb5ee1e ]
DELTASPIKE-1335 provide helper methods to diff configs
> allow atomic access to n different TypedResolver values
> -------------------------------------------------------
>
> Key: DELTASPIKE-1335
> URL: https://issues.apache.org/jira/browse/DELTASPIKE-1335
> Project: DeltaSpike
> Issue Type: New Feature
> Components: Configuration
> Affects Versions: 1.9.0
> Reporter: Mark Struberg
> Assignee: Mark Struberg
> Priority: Major
> Fix For: 1.9.0
>
>
> If multiple related config values (TypedResolver) are accessed in the same
> request and the underlying config changes then we might up with a wild
> mixture of old and new values.
> An example would be to access some 'myapp.host' and 'myapp.port':
> The underlying values are 'oldserver' and '8080'.
> Now consider the following code:
> {code}
> // get the current host value
> TypedResolver<String> hostCfg config.resolve("myapp.host");
> // and right inbetween the underlying values get
> // changed to 'newserver' and port 8082
> // get the current port for the host
> TypedResolver<Integer> portCfg config.resolve("myapp.port");
> {code}
> In ths above code we would get the combination of 'oldserver' but with the
> new port 8081. And this will obviously blow up because that host+port
> combination doesn't exist.
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