private void appendRelationships(PrintWriter out) {
for (Node node : graph.getNodes()) {
for (Relationship rel : node.getRelationships(Direction.OUTGOING)) {
appendRelationship(out, rel);
}
}
}
private void appendNodes(PrintWriter out) {
for (Node node : graph.getNodes()) {
if (isReferenceNode(node)) {
continue;
}
appendNode(out, node);
}
}
