public int compare(Node first, Node second) {
// I want to use the opposite order, so that I can build a max priority
// queue using the default
// implementation of a min priority queue
Double firstDistance = first.getDistance();
Double secondDistance = second.getDistance();
return firstDistance.compareTo(secondDistance);
}
public boolean equals(Node first, Node second) {
// I just want only one node with a given key in the priority queue
if (first.getKey() == second.getKey()) return true;
else return false;
}