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https://issues.apache.org/jira/browse/FLINK-2141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612583#comment-14612583
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ASF GitHub Bot commented on FLINK-2141:
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Github user vasia commented on a diff in the pull request:
https://github.com/apache/flink/pull/877#discussion_r33826389
--- Diff: docs/libs/gelly_guide.md ---
@@ -734,6 +737,24 @@ public static final class Apply {
{% endhighlight %}
+The following example illustrates the usage of the edge direction option.
Vertices update their values to contain a list of all their in-neighbors.
--- End diff --
What do you mean by "contain a list of all their in-neighbors"? Were you
planning to add an example where vertices assign their neighborhoods as their
values?
> Allow GSA's Gather to perform this operation in more than one direction
> -----------------------------------------------------------------------
>
> Key: FLINK-2141
> URL: https://issues.apache.org/jira/browse/FLINK-2141
> Project: Flink
> Issue Type: New Feature
> Components: Gelly
> Affects Versions: 0.9
> Reporter: Andra Lungu
> Assignee: Shivani Ghatge
>
> For the time being, a vertex only gathers information from its in-edges.
> Similarly to the vertex-centric approach, we would like to allow users to
> gather data from out and all edges as well.
> This property should be set using a setDirection() method.
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