you should use native gremlin params where they can be used. otherwise you'll blow the scriptengine in the plugin and loose lots of performance
M mobile mail please excuse brevity and typos Am 09.12.2011 um 11:16 schrieb espeed <ja...@jamesthornton.com>: > On Thursday, December 8, 2011 2:48:59 AM UTC-6, Dmytrii Nagirniak wrote: > > Unfortunately I couldn't see a lot of value in the REST API either. > The core operations that are taken for granted with native bindings > (traversals using poor Ruby constructs) would require to execute HTTP > request (that's what SELECT N+1 in SQL world is). > Or otherwise I would have to wrap all the logic in the traversal queries. It > would significantly overcomplicate the system with HTTP handling logic. > > > Hi Dmytrii - > > Neo4j Server has a built-in Gremlin scripting engine that enables REST > clients to execute transactions in a single HTTP request. > > Gremlin is a domain-specific language for graphs written in Groovy. If you > were using a relational database, you would use its domain-specific > language, which is SQL. Same idea. > > For the last few weeks, I have been working on Bulbs 0.3, which is a Python > REST client for Neo4j Server, and it has a library of Gremlin templates in a > YAML file. > > The Python methods do named variable substitution on the Gremlin templates > and then execute them via the Neo4j Server Gremlin extension. > > Here's an example: > > gremlin.yaml > https://gist.github.com/1450859 > > element.py > https://gist.github.com/1450871 > > You can see the create_indexed_vertex Gremlin script has JSON args. Python > lists and dicts are converted to JSON, and then on the server side, the > Gremlin script converts them into Groovy maps and lists. > > Marko is working on adding the JSONSlurper library import to Gremlin so you > won't have to do the import each time > (https://github.com/tinkerpop/gremlin/issues/259). > > >> So I decided to write another REST library >> (http:://github.com/dnagir/morpheus), >> but then gave up realising that you just cannot have a proper abstraction >> over HTTP. >> (I'll probably kill off that repo). > > Groovy is pretty simple. Consider reviving Morpheus and using Gremlin for > scripting -- you'll get all the power of native Ruby and Neo4j without the > Java. > > When Bulbs 0.3 is released, I'll post the full gremlin.yaml, and you should > be able to use it in Ruby without any mods since it's just YAML. > > - James > > -- > View this message in context: > http://neo4j-community-discussions.438527.n3.nabble.com/Neo4j-Feedback-after-evaluation-tp3569774p3572548.html > Sent from the Neo4j Community Discussions mailing list archive at Nabble.com. > _______________________________________________ > NOTICE: THIS MAILING LIST IS BEING SWITCHED TO GOOGLE GROUPS, please register > and consider posting at https://groups.google.com/forum/#!forum/neo4j > > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user _______________________________________________ NOTICE: THIS MAILING LIST IS BEING SWITCHED TO GOOGLE GROUPS, please register and consider posting at https://groups.google.com/forum/#!forum/neo4j Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
