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https://issues.apache.org/jira/browse/TINKERPOP-1280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15483709#comment-15483709
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ASF GitHub Bot commented on TINKERPOP-1280:
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GitHub user dkuppitz opened a pull request:
https://github.com/apache/tinkerpop/pull/404
TINKERPOP-1280 VertexPrograms should declare traverser requirements
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/apache/tinkerpop TINKERPOP-1280
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tinkerpop/pull/404.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #404
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commit b3258693f8af76ec73fd76154523d45f606f2bfa
Author: Daniel Kuppitz <[email protected]>
Date: 2016-09-12T08:43:39Z
Allow VertexPrograms to declare their traverser requirements.
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> VertexPrograms should declare traverser requirements
> ----------------------------------------------------
>
> Key: TINKERPOP-1280
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1280
> Project: TinkerPop
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.2.0-incubating
> Reporter: Daniel Kuppitz
> Assignee: Daniel Kuppitz
> Fix For: 3.2.3
>
>
> VertexPrograms should declare their {{TraverserRequirement}} which can then
> be propagated by the {{program()}} step. Most VPs (at least the ones I have
> written so far) rely on (labeled) path information and thus will fail if the
> actual traversal doesn't use any other steps with the same traverser
> requirements. I keep running into this issue whenever I write a new VP.
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