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Posted to dev@reef.apache.org by "Byung-Gon Chun (JIRA)" <ji...@apache.org> on 2015/08/04 08:01:04 UTC

[jira] [Commented] (REEF-31) Introduce NamedObject to bind multiple non-singleton instances

    [ https://issues.apache.org/jira/browse/REEF-31?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14653113#comment-14653113 ] 

Byung-Gon Chun commented on REEF-31:
------------------------------------

[~markus.weimer] [~juliaw] It looks like that it's useful for [~gyewonlee] to do some prototyping so that we can get better understanding. It'd be somewhat hard to sort out all the issues before implementation. Prototyping will give us more grounds for further discussion. Thought?

> Introduce NamedObject to bind multiple non-singleton instances
> --------------------------------------------------------------
>
>                 Key: REEF-31
>                 URL: https://issues.apache.org/jira/browse/REEF-31
>             Project: REEF
>          Issue Type: New Feature
>          Components: Tang
>            Reporter: Byung-Gon Chun
>            Assignee: Gyewon Lee
>         Attachments: Tang-namespace-based-injection-gyewonlee.docx, Tang_NamedObject_v0.1.docx
>
>
> We extend Tang to allow binding multiple implementations to the same interface. One example usage is to create a DAG of operators, each of which has the same interface EventHandler.
> The current approach is to introduce the "namespace" concept in Injector.



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