The vertices can be {{Object[]}} like in {{Graph.addVertex()}}.
On יום ד׳, 3 ביוני 2015 at 00:31 Marko Rodriguez <[email protected]>
wrote:
> Hello,
>
> I don't get it. You have vertices from one graph, and then you want
> "clone" them into another graph. ?
>
> Marko.
>
> http://markorodriguez.com
>
> On Jun 2, 2015, at 1:57 PM, Ran Magen <[email protected]> wrote:
>
> > I guess it would look something like this:
> > {{__.inject(vertices).as("x").addV("x")}}
> >
> > It does seem kind of a stretch to do this in a traversal, but it will
> > enable:
> > 1. Inserting vertices in bulk (see TINKERPOP3-701)
> > 2. {{EventStrategy}} and Validation strategies, which can't work with
> > {{Graph.addVertex()}}
> >
> > Maybe you can think of a better way to make those work.
> > On יום ג׳, 2 ביוני 2015 at 22:34 Marko A. Rodriguez (JIRA) <
> [email protected]>
> > wrote:
> >
> >>
> >> [
> >>
> https://issues.apache.org/jira/browse/TINKERPOP3-694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14569615#comment-14569615
> >> ]
> >>
> >> Marko A. Rodriguez commented on TINKERPOP3-694:
> >> -----------------------------------------------
> >>
> >> Uhh.. What would that look like?
> >>
> >>> Bulk loading in TP
> >>> ------------------
> >>>
> >>> Key: TINKERPOP3-694
> >>> URL:
> >> https://issues.apache.org/jira/browse/TINKERPOP3-694
> >>> Project: TinkerPop 3
> >>> Issue Type: Improvement
> >>> Components: process
> >>> Reporter: Ran Magen
> >>>
> >>> Bulk loading can greatly increase performance in many backends, but
> >> there is no way for vendors to implement bulk loading in the TP API.
> >>> As for how to do it, I was thinking a vendor could inherit from
> >> AddXStep, and implement bulk loading, enabling something like this:
> >>> ArrayList<Object[]> vertices;
> >>> __.inject(vertices).as("x").addV("x")
> >>> Pros:
> >>> 1. This seems like a standard approach to me, since vendors today batch
> >> up queries this way (
> >>
> https://github.com/thinkaurelius/titan/blob/titan09/titan-core/src/main/java/com/thinkaurelius/titan/graphdb/tinkerpop/optimize/TitanVertexStep.java#L72
> >> )
> >>> 2. In contrast to the Graph.addVertex method (and the likes), using a
> >> traversal enables taking advantage of other strategies, like
> EventStrategy,
> >> a validation strategy, etc.
> >>> Cons:
> >>> 1. I don't think the mutating steps currently work with "x" (I'm not
> >> sure how you call this feature).
> >>> 2. The steps are marked as final.
> >>> Cheers,
> >>
> >>
> >>
> >> --
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> >>
>
>
