private Node popLowestScoreNode() {
Entry<Node, Double> top = nextPrioritizedNodes.pop();
if (top == null) {
return null;
}
Node node = top.getEntity();
Visit visit = visitData.get(node.getId());
visit.visited = true;
visit.next = false;
return node;
}
private void addNext(Node node, double fscore, Visit visit) {
nextPrioritizedNodes.put(node, fscore);
visit.next = true;
}
