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https://issues.apache.org/jira/browse/TINKERPOP-1232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marko A. Rodriguez closed TINKERPOP-1232.
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Resolution: Fixed
Fix Version/s: 3.2.1
> Write a tutorial demonstrating the 3 ways to write a Gremlin language variant.
> ------------------------------------------------------------------------------
>
> Key: TINKERPOP-1232
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1232
> Project: TinkerPop
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 3.1.1-incubating, 3.2.0-incubating
> Reporter: Marko A. Rodriguez
> Assignee: Marko A. Rodriguez
> Fix For: 3.2.1
>
>
> Talking with [~rustyrazorblade] about collaborating on a Gremlin tutorial for
> language designers. Here is what we came up with.
> We will use Python as the host language and demonstrate 3 ways to create
> Gremlin-Python.
> * Using Jython: With Jython you have direct access to the JVM and thus can
> call {{GraphTraversal}} methods directly. We can expose some Python sugar
> here and there to show why its good to have a language specific variant. See
> Gremlin-Scala for inspiration.
> * Using JNI: With Python, we have a {{PythonTraversal}} Python class. That
> class then uses Java Gateway to interact (via proxy) with {{GraphTraversal}}.
> This was done in the past as an experiment with R using rJava.
> * Using String: With Python, we have a {{PythonTraversal}} Python class where
> {{out("knows")}} simply appends {{"out(\"knows\")"}} to a string builder. The
> result can then be a String sent to a {{RemoteConnection}} for evaluation.
> These three models are the three ways in which any language can embed
> Gremlin.
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