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https://issues.apache.org/jira/browse/TINKERPOP-1311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15300412#comment-15300412
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Marko A. Rodriguez commented on TINKERPOP-1311:
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Ah. And then we should add a new method to {{Traverser}}. 
{{Traverser.detach(AttachableFactory)}}. This would give me the dynamics I need 
in OLAP at each iteration for each traverser to determine which data the 
traverser will be asked off down the line in a traversal.

> AttachableFactory and its entailments.
> --------------------------------------
>
>                 Key: TINKERPOP-1311
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1311
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: structure
>    Affects Versions: 3.2.0-incubating
>            Reporter: Marko A. Rodriguez
>
> I think that {{ReferenceXXX}}, {{DetachedXXX}}, and {{StarXXX}} should all 
> implement both {{Attachable}} and have a respective {{AttachableFactory}}.
> With proper interfaces, providers can create their own {{ProviderXXX}} 
> attachables to be used in OLAP and OLTP as they please. For instance, I'm 
> already seeing that I can solve the {{path.by("name")}} problem in OLAP by 
> using {{DetachedXXX}} where appropriate in a traversal. Or, if its 
> {{path.by(outE().count())}}, then {{StarXXX}}. In other words, 
> detaching/attaching should be really flexible, dynamic, and we can come up 
> with all sorts of sweet attachables that are optimized for every nook and 
> cranny case.



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