[jira] [Closed] (TINKERPOP3-778) Support GraphFactory location via annotation.

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

     [ https://issues.apache.org/jira/browse/TINKERPOP3-778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stephen mallette closed TINKERPOP3-778.
---------------------------------------
    Resolution: Implemented

Nice [~bryncooke] - merged. thanks.

> Support GraphFactory location via annotation.
> ---------------------------------------------
>
>                 Key: TINKERPOP3-778
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP3-778
>             Project: TinkerPop 3
>          Issue Type: Improvement
>          Components: structure
>    Affects Versions: 3.0.0-incubating
>            Reporter: Bryn Cooke
>            Assignee: stephen mallette
>            Priority: Minor
>             Fix For: 3.0.1-incubating
>
>
> When using GraphFactory vendors have to use a concrete class with a static 'open' method on it.
> However, I would expect many vendors will want to expose an interface.
> {code:java}
> Map config = new HashMap<>();
> config.put(Graph.GRAPH, MyGraph.class.getName()); //MyGraph is an interface
> MyGraph graph = GraphFactory.open(config);
> {code}
> I realise that class name of the factory needn't match the class that is returned to the user, but it would be nice if it did.
> Adding an annotation to specify the factory class would fix this.
> {code:java}
> @GraphFactory(MyGraphFactory.class) //Graph factory uses this to locate the graph factory class
> interface MyGraph extends Graph{
> }
> {code}



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