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From "Roman Shaposhnik (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (BIGTOP-101) Need to come up with a strategy for dealing with soft dependencies between packages
Date Mon, 19 Mar 2012 20:49:40 GMT

     [ https://issues.apache.org/jira/browse/BIGTOP-101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Roman Shaposhnik updated BIGTOP-101:
------------------------------------

    Fix Version/s:     (was: 0.3.0)
                   0.4.0
    
> Need to come up with a strategy for dealing with soft dependencies between packages
> -----------------------------------------------------------------------------------
>
>                 Key: BIGTOP-101
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-101
>             Project: Bigtop
>          Issue Type: New Feature
>          Components: General
>    Affects Versions: 0.1.0
>            Reporter: Roman Shaposhnik
>            Assignee: Roman Shaposhnik
>             Fix For: 0.4.0
>
>
> Quite a few components in Bigtop have, what's known as, soft dependency. They detect
presence of other Bigtop components during run-time and extend their functionality accordingly.
A good example of that is Pig, which, if HBase client jars are present would allow HBase queries
to be performed. We have to come up with the best client delivery strategy for such things.
One option is to split things like HBase into multiple packages, like lib, client, and server
- but that requires upstream changes as well to split the jars up. Another approach is to
have subpackages (e.g. hbase-hive subpackage or hbase-pig, etc.) We have to come up with a
unifying strategy for how to deal with this.

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