private Route reconstructPath() {
FakeNode currentNode = endNode;
Route route = new Route();
while (currentNode != null) {
if (!route.prependNode(currentNode.node)) {
System.err.println("Detected circular reference! Aborting ......");
throw new IllegalStateException("Detected circular reference!");
}
currentNode = currentNode.cameFrom;
}
cleanUp();
return route;
}
