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https://issues.apache.org/jira/browse/QPID-5802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14025193#comment-14025193
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Alex Rudyy commented on QPID-5802:
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Hi Keith,
here are my review comments;
A duplicate code for MessageStoreLogSubject in all host implementations.
A creation of MessageStoreLogSubject can be moved into AbstractVirtualHost with
its getter.
> 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
> * DERBY
> * 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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