I even downloaded the attached attributes nbm that was supposedly fixed,
but that still didn't fix the problem. Are those the changes you were
trying to merge?
On Thursday, January 2, 2014 11:54:49 AM UTC-8, Alan Pereyra wrote:
>
> While attempting to import a database from Neo4j to Gephi, I get the
> following error:
>
> Exception in thread "main" java.lang.ClassCastException: java.lang.String
> cannot be cast to java.lang.Long
> at
> org.gephi.neo4j.plugin.impl.Neo4jDelegateProviderImpl.getNodeAttributeValue(Neo4jDelegateProviderImpl.java:37)
> at
> org.gephi.data.attributes.AttributeValueImpl.getValue(AttributeValueImpl.java:81)
> at
> org.gephi.data.attributes.AttributeValueImpl.equals(AttributeValueImpl.java:103)
> at
> org.gephi.data.attributes.AttributeRowImpl.setValue(AttributeRowImpl.java:153)
> at
> org.gephi.data.attributes.AttributeRowImpl.setValue(AttributeRowImpl.java:141)
> at
> org.gephi.data.attributes.AttributeRowImpl.setValue(AttributeRowImpl.java:128)
> at
> org.gephi.data.attributes.AttributeRowImpl.setValue(AttributeRowImpl.java:110)
> at
> org.gephi.neo4j.plugin.impl.GraphModelImportConverter.fillGephiNodeDataWithNeoNodeData(GraphModelImportConverter.java:160)
> at
> org.gephi.neo4j.plugin.impl.GraphModelImportConverter.createGephiNodeFromNeoNode(GraphModelImportConverter.java:135)
> at
> org.gephi.neo4j.plugin.impl.Neo4jImporterImpl.processNode(Neo4jImporterImpl.java:181)
> at
> org.gephi.neo4j.plugin.impl.Neo4jImporterImpl.importNodes(Neo4jImporterImpl.java:175)
> at
> org.gephi.neo4j.plugin.impl.Neo4jImporterImpl.importGraph(Neo4jImporterImpl.java:159)
> at
> org.gephi.neo4j.plugin.impl.Neo4jImporterImpl.doImport(Neo4jImporterImpl.java:137)
> at
> org.gephi.neo4j.plugin.impl.Neo4jImporterImpl.importDatabase(Neo4jImporterImpl.java:131)
> at
> org.gephi.neo4j.plugin.impl.Neo4jImporterImpl.importDatabase(Neo4jImporterImpl.java:91)
> at main.algo(main.java:62)
> at main.main(main.java:42)
>
> My source:
>
> graphDb = new EmbeddedGraphDatabase (DB_PATH);
> owned_addresses = graphDb.index().forNodes("nodes");
> final long ownerId = 1;
>
> // Import by traversing the entire ownership network along the
> "transfers" edges
> System.out.println("Importing Ownership Network from Neo4j
> Database...");
> final Collection<RelationshipDescription> relationshipDescription =
> new ArrayList<RelationshipDescription>();
> relationshipDescription.add(new
> RelationshipDescription(RelTypes.KNOWS, Direction.BOTH));
> //relationshipDescription.add(new
> RelationshipDescription(GraphBuilder.OwnerRelTypes.transfers,
> Direction.BOTH));
> final Neo4jImporter importer = new Neo4jImporterImpl();
>
> // Load the graph in memory
> importer.importDatabase(graphDb, ownerId,
> TraversalOrder.BREADTH_FIRST, Integer.MAX_VALUE, relationshipDescription);
> // Grab the graph that was loaded from the importer
> final ProjectController projectController =
> Lookup.getDefault().lookup(ProjectController.class);
> final Workspace workspace = projectController.getCurrentWorkspace();
> final GraphModel graph =
> Lookup.getDefault().lookup(GraphController.class).getModel(workspace);
> System.out.println("Graph Imported. Nodes: " +
> graph.getDirectedGraph().getNodeCount() + "Edges: " +
> graph.getDirectedGraph().getEdgeCount());
>
> // Layout
> final ForceAtlas2 layout = new ForceAtlas2(new ForceAtlas2Builder());
> layout.setGraphModel(graph);
>
> The data base was generated as follows:
>
>
> graphDb = new EmbeddedGraphDatabase(DB_PATH);
> Transaction tx = graphDb.beginTx();
> try {
> myFirstNode = graphDb.createNode();
> myFirstNode.setProperty("name", "Hellooo");
> mySecondNode = graphDb.createNode();
> mySecondNode.setProperty("name", "Hellooo2");
>
> myRelationship = myFirstNode.createRelationshipTo(mySecondNode,
> RelTypes.KNOWS);
> myRelationship.setProperty("relationship-type", "knows");
> myString = myFirstNode.getProperty("name").toString() + " "+
> myRelationship.getProperty("relationship-type").toString()+" "+
> mySecondNode.getProperty("name").toString();
> System.out.println(myString);
> tx.success();
> } finally {
> tx.finish();
> }
>
> Thank you!
> Alan.
>
--
You received this message because you are subscribed to the Google Groups
"Neo4j" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.
