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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-4998) Add hook for modifying configuration after cassandra.yaml is loaded
Date Sat, 01 Dec 2012 07:03:58 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507887#comment-13507887
] 

Jonathan Ellis commented on CASSANDRA-4998:
-------------------------------------------

What problem is this trying to solve?  We're not really interested in targetting the embedded,
single server application domaion.
                
> 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: 0001-Add-load-hook-for-updating-Config-before-processing.patch,
0002-Remove-the-need-for-separate-cassandra.yml-in-tests.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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