/**
* @param dir the layout direction of the road.
* @return the closest numition of the car on the given road
*/
public int getPosition(Direction dir) {
if (dir.equals(Direction.EAST_WEST)) {
return numEW;
} else if (dir.equals(Direction.WEST_EAST)) {
return numWE;
} else if (dir.equals(Direction.SOUTH_NORTH)) {
return numSN;
} else {
return numNS;
}
}
/**
* @param num the closest numition of the car on the given road.
* @param dir the layout direction of the road.
*/
public void setPosition(int num, Direction dir) {
if (dir.equals(Direction.EAST_WEST)) {
numEW = num;
} else if (dir.equals(Direction.WEST_EAST)) {
numWE = num;
} else if (dir.equals(Direction.SOUTH_NORTH)) {
numSN = num;
} else if (dir.equals(Direction.NORTH_SOUTH)) {
numNS = num;
}
}