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From "Blake Eggleston (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7842) Work out and implement an initialization order for singletons
Date Sun, 14 Sep 2014 16:23:34 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14133263#comment-14133263
] 

Blake Eggleston commented on CASSANDRA-7842:
--------------------------------------------

Here's the singletons, and their dependencies: https://gist.github.com/bdeggleston/ef4acd659fafb2629fe1

> Work out and implement an initialization order for singletons
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-7842
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7842
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Blake Eggleston
>            Assignee: Blake Eggleston
>
> Prefer final members passed into their constructor, using volatile members assigned during
startup where there are circular dependencies.
> We should consider splitting some of the singletons into more component specific classes
before this step. There is definitely a case for making that another ticket, but with the
non-singleton dependencies clearly defined at this point, we will have a clear idea of what
can be split up. Doing that would reduce the number of circular dependencies between singletons,
and make this stage a lot easier, with the additional benefit of further modularizing the
code.



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