2010/10/27, Walaa Eldin Moustafa <wa.moust...@gmail.com>: > I am looking for a method that is if given a node n1, can answer the > query if n1 has a relationship of type t with node n2, something along > the lines of: > > boolean b = n1.hasRelatioship(n2,t); > > I know we can answer this question by iterating over n1's > getRelationships() and testing them. However, I was looking for > something more efficient that does not have to iterate over the node's > relationships, especially that I noticed that the RelationshipIndex > interface has a get() method that does something like that; however we > have to supply it with a key and a value for an attribute for the edge > between the two nodes. So I was looking for something like this > method, but without having to pass a key/value pair. > you can actually leave out key/value (pass in null) if you pass in start/end node, or you can index the relationship type as a key/value pair for each relationship and then do: get( "type", "knows", person1, person2 );
would that help? _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user > -- Mattias Persson, [matt...@neotechnology.com] Hacker, Neo Technology www.neotechnology.com _______________________________________________ Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
