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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-5802) Introduce hierarchy of virtual host types
Date Fri, 13 Jun 2014 16:53:02 GMT

    [ https://issues.apache.org/jira/browse/QPID-5802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14030835#comment-14030835

ASF subversion and git services commented on QPID-5802:

Commit 1602475 from [~k-wall] in branch 'qpid/trunk'
[ https://svn.apache.org/r1602475 ]

QPID-5802: [Java Broker] Refactor VH implementations to avoid duplicated message store/message
store subject code.

This addresses review comments from Alex Rudyy.

> Introduce hierarchy of virtual host types
> -----------------------------------------
>                 Key: QPID-5802
>                 URL: https://issues.apache.org/jira/browse/QPID-5802
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Java Broker
>            Reporter: Keith Wall
>            Assignee: Alex Rudyy
>             Fix For: 0.29
> Currently, a MessageStore implementation is plugged into a Virtualhost in order for the
virtual host to be backed by different types of storage (BDB, Derby, JDBC etc).
> This presents a problem for management. Different store types require different sets
of configuration properties (file system paths/urls/password etc) but as these are properties
of the store, and the store is not a member of the model, we have no way to expose these as
attributes for configuration via the management interfaces.
> It has been decided to introduce a hierarchy of VH types with the VirtualHost category:
> * BDB
> * JDBC
> * BDB HA
> * Provided
> Each type will be tied to its corresponding store.  Each type can expose any attribute
that the underlying store requires.
> Going forward, the extension point will be Virtualhost, rather than MessageStore.

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