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Posted to commits@cassandra.apache.org by "Michael Guymon (JIRA)" <ji...@apache.org> on 2012/11/27 19:45:57 UTC

[jira] [Updated] (CASSANDRA-4998) Add hook for modifying configuration after cassandra.yaml is loaded

     [ https://issues.apache.org/jira/browse/CASSANDRA-4998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Guymon updated CASSANDRA-4998:
--------------------------------------

    Attachment: Add-load-hook-for-updating-Config-before-processing.patch
    
> Add hook for modifying configuration after cassandra.yaml is loaded
> -------------------------------------------------------------------
>
>                 Key: CASSANDRA-4998
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4998
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Michael Guymon
>              Labels: patch
>         Attachments: Add-load-hook-for-updating-Config-before-processing.patch
>
>
> When embedding Cassandra in an application, allow programmatic changes to Cassandra's config by using a hook to modify the configuration after the YAML is loaded. 
> For this to work, a new YAML configuration needs to be added: after_load_hook_class. If defined, it would be the FQN of a class that implements IAfterLoadHook. When DatabaseDescriptor calls loadYAML(), before any processing of the Config happens, the after_load_hook_class is checked and called if exists. Then processing of the config happens as normal.

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