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https://issues.apache.org/jira/browse/TINKERPOP-1479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stephen mallette closed TINKERPOP-1479.
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Resolution: Won't Do
SubgraphStrategy is already pretty complex in terms of the logic it contains.
It doesn't handle vertex properties (TINKERPOP-1804) well as it stands and that
bug already sets up more complexity if it gets resolved. Given that meta/multi
properties might be on their way out for 4.x we probably shouldn't invest more
energy in this style of updating the graph.
> Support write-traversals in SubgraphStrategy.
> ---------------------------------------------
>
> Key: TINKERPOP-1479
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1479
> Project: TinkerPop
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.2.2
> Reporter: Marko A. Rodriguez
> Priority: Major
>
> I think it is possible to have timestamps/acl/audit all via SubgraphStrategy.
> What we really need is SubgraphStrategy write()-methods.
> {code}
> SubgraphStrategy.writeVertex(property(‘createdBy’,’marko’).property(’startTime’,1234).property(‘acl’,’public’))
> SubgraphStrategy.writeVertexProperty(property(‘createdBy’,’marko’).property(’startTime’,1234).property(‘acl’,’public’))
> {code}
> With this:
> {code}
> g.addV(‘person’).property(‘name’,’bob’)
> {code}
> …is rewritten as:
> {code}
> g.addV(‘person’).
> sideEffect(property(‘createdBy’,’marko’).
> property(’startTime’,1234).
> property(‘acl’,’public’)).
> property(‘name’,’bob’).
> sideEffect(property(‘name’).
> property(‘createdBy’,’marko’).
> property(’startTime’,1234).
> property(‘acl’,’public’))
> {code}
> That is, when a MutationStep is used, the respective writeXXX() traversal is
> appended inside a sideEffect() much like for reads, its inside a filter().
> Haven’t thought it all through, but with such functionality, I think
> everything could, in principle, be done by SubgraphStrategy.
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