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https://issues.apache.org/jira/browse/GIRAPH-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402928#comment-13402928
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Avery Ching commented on GIRAPH-221:
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We do have
@Override
public abstract Iterator<I> iterator();
I can't remember the exact reason, but I think Jake Mannix had some reason for
this...
> Make iteration over edges more explicit
> ---------------------------------------
>
> Key: GIRAPH-221
> URL: https://issues.apache.org/jira/browse/GIRAPH-221
> Project: Giraph
> Issue Type: Improvement
> Components: graph
> Reporter: Alessandro Presta
> Assignee: Alessandro Presta
> Priority: Minor
>
> Is there any particular reason why BasicVertex implements Iterable?
> It seems to me that doing
> {code:java}
> for (I neighbor : vertex)
> {code}
> is not that explicit, and
> {code:java}
> for (I neighbor : this)
> {code}
> gets even obscure (which may be why all examples in the codebase explicitly
> instantiate an iterator and call next()).
> What I propose is a more explicit
> {code:java}
> Iterator<I> outEdgesIterator()
> {code}
> and also a convenient
> {code:java}
> Iterable<I> outEdges()
> {code}
> so, for example, an algorithm can use
> {code:java}
> for (int neighbor : outEdges())
> {code}
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