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From "Kam Kasravi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GEARPUMP-206) access to upstream and downstream processors
Date Thu, 15 Sep 2016 22:07:20 GMT

    [ https://issues.apache.org/jira/browse/GEARPUMP-206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15494653#comment-15494653
] 

Kam Kasravi commented on GEARPUMP-206:
--------------------------------------

For this JIRA and GEARPUMP-193 a control message to halt one or more upstreams is I believe
all we need. [~mauzhang] is there overlap with this functionality and the add watermark -
there doesn't seem to be but thought I would check. I will implement this feature and see
if it addresses current akka-streams GraphStages that require this functionality.

> access to upstream and downstream processors
> --------------------------------------------
>
>                 Key: GEARPUMP-206
>                 URL: https://issues.apache.org/jira/browse/GEARPUMP-206
>             Project: Apache Gearpump
>          Issue Type: Sub-task
>    Affects Versions: 0.8.1
>            Reporter: Kam Kasravi
>            Assignee: Kam Kasravi
>             Fix For: 0.8.2
>
>
> akka-streams requires the ability to access both upstream and downstream processors.
For upstream akka-streams will pull - we need to emulate something similar



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