Github user okram commented on the pull request:
https://github.com/apache/incubator-tinkerpop/pull/219#issuecomment-181991788
I studied `ScriptElementFactory` and am thinking that API is poorly
designed. Here are my concerns:
```
protected class ScriptElementFactory {
private final StarGraph graph;
public ScriptElementFactory() {
this.graph = StarGraph.open();
}
public Vertex vertex(final Object id) {
return vertex(id, Vertex.DEFAULT_LABEL);
}
public Vertex vertex(final Object id, final String label) {
final Iterator<Vertex> vertices = graph.vertices(id);
return vertices.hasNext() ? vertices.next() :
graph.addVertex(T.id, id, T.label, label);
}
public Edge edge(final Vertex out, final Vertex in) {
return edge(out, in, Edge.DEFAULT_LABEL);
}
public Edge edge(final Vertex out, final Vertex in, final String
label) {
return out.addEdge(label, in);
}
}
```
`ScriptElementFactory` should be a `GraphWrapper` so that the APIs are
consistent.
```
ScriptGraph.addVertex()
ScriptVertex.addEdge()
```
Its weird that you diverge from the standard pattern for seemingly no
reason except the `vertex(id,label)`-method logic.
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