Hi Peter, yes that would be not to include the path in the result set.
On 07.04.2011, at 07:01, "Peter Neubauer" <peter.neuba...@neotechnology.com> wrote: > Dario, > I am not quite sure I understand what you mean by "drop" is that not > to include the path into the result or prune or something else? Do you > have a concrete example of this, maybe a simple toy graph test with > toy information? > > Cheers, > > /peter neubauer > > GTalk: neubauer.peter > Skype peter.neubauer > Phone +46 704 106975 > LinkedIn http://www.linkedin.com/in/neubauer > Twitter http://twitter.com/peterneubauer > > http://www.neo4j.org - Your high performance graph database. > http://startupbootcamp.org/ - Öresund - Innovation happens HERE. > http://www.thoughtmade.com - Scandinavia's coolest Bring-a-Thing party. > > > > On Wed, Apr 6, 2011 at 6:35 PM, Dario Rexin <dario.re...@xing.com> wrote: >> Hello, >> >> we are trying to construct an Evaluator that will select only one node from >> the middle of a path and include it in the result. We do have a specific >> path we are looking for and the endNode is stored in 'end'. Now what we >> would like to do is have an Evaluator like this: >> >> import org.neo4j.graphdb.traversal. >> Evaluator; >> >> new Evaluator(){ >> @Override >> public Evaluation evaluate(org.neo4j.graphdb.Path path) { >> if(path.length() > 3) { >> return Evaluation.EXCLUDE_AND_PRUNE; >> } else if (path.length() == 2) { >> return Evaluation.INCLUDE_AND_CONTINUE; >> } else if (path.length() < 2){ >> return Evaluation.EXCLUDE_AND_CONTINUE; >> } else { >> return path.endNode().getId() == end.getId() ? >> Evaluation.EXCLUDE_AND_PRUNE : Evaluation.DROP_PATH_AND_PRUNE; >> } >> } >> } >> >> The decision on whether to accept or drop a path is based on wether we have >> reached the endNode. That's why we would like to use something like >> DROP_PATH_AND_PRUNE, which doesn't exist. What are we missing? >> >> Any help appreciated! >> >> Thanks, >> Stephan and Dario >> _______________________________________________ >> Neo4j mailing list >> User@lists.neo4j.org >> https://lists.neo4j.org/mailman/listinfo/user >> > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
