[jira] [Reopened] (TINKERPOP-1490) Provider a Future based Traversal.async(Function) terminal step

["stephen mallette (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TINKERPOP-1490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stephen mallette reopened TINKERPOP-1490:
-----------------------------------------

> Provider a Future based Traversal.async(Function<Traversal,V>) terminal step
> ----------------------------------------------------------------------------
>
>                 Key: TINKERPOP-1490
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1490
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: process
>    Affects Versions: 3.2.2
>            Reporter: Marko A. Rodriguez
>            Assignee: stephen mallette
>             Fix For: 3.2.4
>
>
> [~mbroecheler] had the idea of adding a {{Traversal.async()}} method. This is important for not only avoiding thread locking on a query in Gremlin, but also, it will allow single threaded language variants like Gremlin-JavaScript to use callbacks for processing query results.
> {code}
> Future<List<String>> result = g.V().out().values("name").async(Traversal::toList)
> {code}
> {code}
> Future<List<String>> result = g.V().out().name.async{it.toList()}
> {code}
> {code}
> g.V().out().values('name').async((err,names) => {
>   // I don't know JavaScript, but ...
>   return list(names);
> }) 
> {code}
> ...



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