Adam Holmberg created TINKERPOP-1474:
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             Summary: API Alignment Between Java Gremlin Graph Structure and 
GLVs
                 Key: TINKERPOP-1474
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1474
             Project: TinkerPop
          Issue Type: Bug
            Reporter: Adam Holmberg


The current Java GraphSON implementation and that in the Python GLV leave some 
question about what *should* be returned from a simple traversal like `g.V()`.

The java implementation presently assumes that properties could be present and 
returns a DetachedVertex: 
https://github.com/apache/tinkerpop/blob/master/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/io/graphson/GraphSONSerializersV2d0.java#L420-L433

The python implementation assumes no such thing and returns something more 
reminiscent of a ReferenceVertex: 
https://github.com/apache/tinkerpop/blob/master/gremlin-python/src/main/jython/gremlin_python/structure/io/graphson.py#L238-L242

Is the java version overreaching, and should not expect properties unless a 
step calls for them (e.g. ` g.V().valueMap()` or `g.V().values('name')`, or 
should the Python version be expanded?

Is there something we can do to establish guidelines for this, and align these 
APIs?



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