Mentors, as Marko mentions the "ASF permitted model" for Neo4j, i was wondering if any of you have had a chance to consider our development model around neo4j-gremlin. I outlined it here:
http://bit.ly/1QwKqDt in a previous post. Is that an acceptable way to do this? Thanks, Stephen On Tue, Jun 9, 2015 at 10:21 AM, Marko Rodriguez <[email protected]> wrote: > Hello everyone, > > With Michael Hunger's help, NeoTechnology has published the following two > artifacts to Apache's Maven Central Repo: > > http://repo1.maven.org/maven2/org/neo4j/neo4j-tinkerpop-api/ (Apache2 > licensed API) > http://repo1.maven.org/maven2/org/neo4j/neo4j-tinkerpop-api-impl/ (AGPL > licensed API implementation) > > Note that TinkerPop3's Neo4j-Gremlin only <depends/> on the Apache2 > licensed neo4j-tinkerpop-api artifact. When a user wishes to :install > Neo4j-Gremlin (e.g. GremlinServer or GremlinConsole), then the AGPL > binaries will be downloaded from Maven Central to the user's machine. > > Neo4j-Gremlin was originally in TinkerPop3 M1 through M7. However, once > TinkerPop went Apache Software Foundation, we had to gut it until the above > ASF permitted model was implemented. Note that the current Neo4jGraph > implementation has seen a lot of updates since M7 so *please give it a > test drive and find any problems issues*. > > http://tinkerpop.incubator.apache.org/docs/3.0.0-SNAPSHOT/#neo4j-gremlin > > A collection of notes: > > 1. Neo4j 2.2+ has done a lot to ensure transaction consistency between > indices and global graph operations. > - All the "isDeleted()" checks in Neo4jGraph are gone. > 2. The entire TinkerPop3 test suite passes except for TransactionTest test > around graph.close() semantics. > - Michael Hunger is looking into the problem. Right now its OPT_OUT as its > not a critical test. > 3. Neo4jGraph no longer supports legacy indices -- only schema indices. > - This greatly simplified the code and ensured no @Deprecated references. > - Creating indices in Neo4jGraph is done via Cypher: graph.cypher("CREATE > INDEX on :person(name)"). > - http://tinkerpop.incubator.apache.org/docs/3.0.0-SNAPSHOT/#_indices > 4. Neo4jGraph supports Neo4j multi-labels both at the Neo4jVertex API > level and at the Neo4jGraphStep index lookup level. > - We now have LabelP.of() which allows for g.V.has(label,of('person')). > - http://tinkerpop.incubator.apache.org/docs/3.0.0-SNAPSHOT/#_multi_label > 5. Neo4jGraph supports multi/meta-properties though this is considered an > experimental feature until it is more fully tested at scale and high > concurrency. > - The fear is that multi/meta-properties diverges from the native Neo4j > representation and until we are comfortable with the embedding, its not > safe for production use. > - > http://tinkerpop.incubator.apache.org/docs/3.0.0-SNAPSHOT/#_multi_meta_properties > 5. And of course, you can still go Cypher->Gremlin which is really cool. > - http://tinkerpop.incubator.apache.org/docs/3.0.0-SNAPSHOT/#_cypher > > Thanks again to NeoTechnology for working with TinkerPop and releasing an > Apache2 licensed version of their API so the community can enjoy > Neo4j-Gremlin. > > Take care, > Marko. > > http://markorodriguez.com > > -- > You received this message because you are subscribed to the Google Groups > "Gremlin-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/gremlin-users/A57B78DF-0F69-441E-9AB1-36F543DCF0AC%40gmail.com > <https://groups.google.com/d/msgid/gremlin-users/A57B78DF-0F69-441E-9AB1-36F543DCF0AC%40gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. >
