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https://issues.apache.org/jira/browse/FLINK-165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040273#comment-14040273
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Stephan Ewen commented on FLINK-165:
------------------------------------
The task hierarchy is reworked, task wise there is no difference any more
between source, sink, or intermediate.
The job vertices still make a difference.
> Rework Nephele Task Hierarchy
> -----------------------------
>
> Key: FLINK-165
> URL: https://issues.apache.org/jira/browse/FLINK-165
> Project: Flink
> Issue Type: Improvement
> Reporter: GitHub Import
> Labels: github-import
> Fix For: pre-apache
>
>
> I'll keep it short and just quote @StephanEwen from
> ([#112|https://github.com/stratosphere/stratosphere/issues/112] |
> [FLINK-112|https://issues.apache.org/jira/browse/FLINK-112]):
> > That Nephele Class hierarchy has has always bothered us with respect to
> > duplicate logic in souce and sink tasks. The Regular Pact Task has many
> > static methods to set up outputs for example, such that the logic can be
> > called from an input task. [...]
> > We should think about changing that class hierarchy, such that all tasks
> > inherit from the same task class and implicitly become input and outputs.
> > Potentially with a property to be set or a marker interface.
> > That would also help us to get around fake tails in the iterations.
> I think the timeline here should be post release, right?
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/165
> Created by: [uce|https://github.com/uce]
> Labels: enhancement, runtime,
> Milestone: Release 0.6 (unplanned)
> Created at: Wed Oct 16 12:20:22 CEST 2013
> State: open
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