[jira] [Commented] (STORM-1221) Create a common interface for all Trident spout

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/STORM-1221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15014708#comment-15014708 ] 

ASF GitHub Bot commented on STORM-1221:
---------------------------------------

GitHub user haohui opened a pull request:

    https://github.com/apache/storm/pull/895

    STORM-1221. Create a common interface for all Trident spout.

    This PR marks the trident spouts with a common interface. Such a common interface allows StormSQL to manage external data sources with a unified interface.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/haohui/storm STORM-1221

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/storm/pull/895.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #895
    
----
commit a280891bafb55a3d221a8198e7e80eeb30d0250a
Author: Haohui Mai <wh...@apache.org>
Date:   2015-11-19T22:28:55Z

    STORM-1221. Create a common interface for all Trident spout.

----


> Create a common interface for all Trident spout
> -----------------------------------------------
>
>                 Key: STORM-1221
>                 URL: https://issues.apache.org/jira/browse/STORM-1221
>             Project: Apache Storm
>          Issue Type: Bug
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>
> Currently {{IBatchSpout}}, {{IOpaquePartitionSpout}}}, {{ITridentSpout}} and {{IPartitionedSpout}} are all top-level interfaces. The lowest common ancestor of their parent interface is {{Serializable}}. There is no clear, single interface in Trident to mark these class are spouts / data sources. The abstraction is beneficial when components on top of Trident (e.g. StormSQL) need a notion of data source.
> This jira proposes to tags all the spouts above with a common marker interface.



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