Which version of Neo4j are you using?

You use  a Set which elminates duplicates. You probably have duplicate 
neighbourId's that are only 100 distinct ones.

And you close the transaction twice. It is an auto-closable resource so you can 
remove your manual tx.close() line.

Cheers,

Michael

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Am 13.03.2014 um 11:21 schrieb Sotiris Beis <[email protected]>:

> I have the following case study. I want to get the neighbors of the certain 
> node. My function is this one:
> public Set<Integer> getNeighborsIds(int nodeId) {
>               Set<Integer> neighbours = new HashSet<Integer>();
>               try (Transaction tx = neo4jGraph.beginTx()) {
>                       Node n = nodeIndex.get("nodeId", nodeId).getSingle();
>                       for(Relationship relationship : 
> n.getRelationships(Direction.OUTGOING)) {
>                               Node neighbour = relationship.getEndNode();
>                               String neighbourId = 
> (String)neighbour.getProperty("nodeId");
>                               neighbours.add(Integer.valueOf(neighbourId));
>                       }
>                       tx.success();
>                       tx.close();
>               }
>               return neighbours;
>       }
> 
> I know that this node has 255 neighbors but this function return only 100 
> nodes. When I put this line 
> System.out.println(IteratorUtil.count(n.getRelationships(Direction.OUTGOING)));
> 
> 
>  4 and 5 line the function returns 255 neighbors. The most strange is that 
> the above function prints out the value 100. Is this a bug or can anyone 
> explain this to me?
> 
> Thanks,
> Sotiris
> 
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