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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TINKERPOP-1959) Provide a way to submit scripts to the server in gremlin-javascript
Date Tue, 04 Sep 2018 08:42:06 GMT

    [ https://issues.apache.org/jira/browse/TINKERPOP-1959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16602765#comment-16602765
] 

ASF GitHub Bot commented on TINKERPOP-1959:
-------------------------------------------

Github user mattallenuk commented on a diff in the pull request:

    https://github.com/apache/tinkerpop/pull/922#discussion_r214831866
  
    --- Diff: gremlin-javascript/src/main/javascript/gremlin-javascript/lib/process/translator.js
---
    @@ -0,0 +1,93 @@
    +/*
    + *  Licensed to the Apache Software Foundation (ASF) under one
    + *  or more contributor license agreements.  See the NOTICE file
    + *  distributed with this work for additional information
    + *  regarding copyright ownership.  The ASF licenses this file
    + *  to you under the Apache License, Version 2.0 (the
    + *  "License"); you may not use this file except in compliance
    + *  with the License.  You may obtain a copy of the License at
    + *
    + *  http://www.apache.org/licenses/LICENSE-2.0
    + *
    + *  Unless required by applicable law or agreed to in writing,
    + *  software distributed under the License is distributed on an
    + *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    + *  KIND, either express or implied.  See the License for the
    + *  specific language governing permissions and limitations
    + *  under the License.
    + */
    +'use strict';
    +
    +/**
    + * Class to translate glv bytecode steps into executable Gremlin-Groovy script
    + */
    +class Translator {
    --- End diff --
    
    Hi @jorgebay,
    
    The purpose of the translator is to allow building of a script from bytecode for users
that don't yet have bytecode implementation on their Gremlin Server but want to use GLV instructions
rather than writing scripts in text. 
    
    Case in point, I'll be using the project on Azure CosmoDB but I cannot send bytecode as
it's not yet supported, they're working on it. So I don't want to have to write all my queries
as strings and then have to go back at a later date and convert to glv steps. I'd rather use
the glv steps and go back later and implement terminal commands. This might just be my own
personal preferences, but I'm sure others would appreciate that flexibility?
    
    This is how it would be used:
    
    ```javascript
    const g = new graph.Graph().traversal();
    g.V().order().by('age', t.order.decr);
    const script = new Translator('g').translate(g.getBytecode());
    ```
    
    That script could then be submitted via the client.


> Provide a way to submit scripts to the server in gremlin-javascript
> -------------------------------------------------------------------
>
>                 Key: TINKERPOP-1959
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1959
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: javascript
>    Affects Versions: 3.2.8
>            Reporter: stephen mallette
>            Priority: Critical
>
> It is currently only possible to submit bytecode based requests to the server with gremlin-javascript.
We should also provide some means for submitting scripts.



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