public void resetNodesWithoutReservation() {
for (Node n : noRes) {
List<Integer> THS = n.getTHS();
for (int t : THS) {
if (t != n.getID()) {
Node removeFrom = nodes.get(t);
removeFrom.removeNeighbour(n.getID());
}
}
n.clearReservation();
}
}
public void reserveTimeSlots() {
List<Integer> hasSlot = new ArrayList<Integer>();
while (hasSlot.size() < this.numNodes) {
int nodeToAttempt = r.nextInt(this.numNodes);
while (hasSlot.contains(nodeToAttempt)) {
nodeToAttempt = r.nextInt(this.numNodes);
}
Node toAttemptReservation = nodes.get(nodeToAttempt);
if (toAttemptReservation.getReservation() == -1) // Node doesn't have a slot yet
{
boolean canAdd = true;
int slotToReserve = r.nextInt(this.numSlots);
List<Integer> THSToCheck = toAttemptReservation.getTHS();
for (int n : THSToCheck) {
Node toCheck = nodes.get(n);
ReservationBean[] toCheckSlots = toCheck.getTimeSlots();
if (toCheckSlots[slotToReserve].getHolder() != -1) {
canAdd = false;
break;
}
}
if (canAdd) {
toAttemptReservation.setReservation(slotToReserve);
for (int n : THSToCheck) {
Node toUpdate = nodes.get(n);
// set reservation in all nodes in THS
toUpdate.setTimeSlotReservation(
slotToReserve,
toAttemptReservation.getID(),
toAttemptReservation.getRemainingReservationDuration());
// Set initial FI in all nodes in THS
toUpdate.setFI(
slotToReserve,
toAttemptReservation.getID(),
toAttemptReservation.getRemainingReservationDuration());
}
hasSlot.add(toAttemptReservation.getID());
}
}
}
}
/**
* Clears node reservations until b% of nodes do not have reservations
*
* @param b
*/
public void setInitialNodesWithoutReservation(double b) {
int numToConvert = (int) Math.ceil(b * this.numNodes);
int converted = 0;
while (converted < numToConvert) {
int nodeToChange = r.nextInt(this.numNodes);
Node n = nodes.get(nodeToChange);
if (n.getReservation() != -1) {
noRes.add(n);
// -1 is the default value if have no reservation
List<Integer> THS = n.getTHS();
for (int t : THS) {
Node removeFrom = nodes.get(t);
removeFrom.removeNeighbour(nodeToChange);
}
// System.out.println(converted);
n.clearReservation();
converted++;
}
}
}