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From "Matthieu Baechler (JIRA)" <server-...@james.apache.org>
Subject [jira] [Commented] (JAMES-1588) Create a project to centralize Cassandra tools
Date Tue, 04 Aug 2015 08:22:05 GMT

    [ https://issues.apache.org/jira/browse/JAMES-1588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14653259#comment-14653259
] 

Matthieu Baechler commented on JAMES-1588:
------------------------------------------

In Cassandra case, it's technical things like : cassandra java driver, extensions to this
driver, libraries we use to write tests (like cassandra-unit that allows to start an embedded
cassandra using a JUnit @Rule), Session factory and tables creation tools.

> Create a project to centralize Cassandra tools
> ----------------------------------------------
>
>                 Key: JAMES-1588
>                 URL: https://issues.apache.org/jira/browse/JAMES-1588
>             Project: James Server
>          Issue Type: Improvement
>            Reporter: Tellier Benoit
>
> As we are starting to develop data tools based on Cassandra, we realized we would use
tools we defined for the Cassandra mailbox. But :
>  - We don't want a dependency to the cassandra mailbox in our data-cassandra module
>  - We do not want to duplicate information.
> Hence we prefer introducing a new module, that centralize tools needed by modules relying
on Cassandra ( for now the Cassandra mailbox, and the data-cassandra module, Cassandra MPT
module ).
> As we think this can be a common need to several backend implementation, we want to create
a dedicated project for centralizing back-end tools, that will be calles james-backends. Each
back-end ( eg : cassandra, jpa, hbase, etc ... ) will create its submodule in it and will
use it in other places (MPT, Mailbox, james (server) ).
> Let us now if you have any feedback on this proposal.



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