/**
* Sorts inventories by rating and returns these ratings.
*
* @param inventories inventories.
* @return ratings.
*/
public Map<String, Double> sortInventoriesByRelativity(
int pathId, List<InventoryDto> inventories) {
Map<RoadType, Double> pathMap = pathService.getRoadTypesWithPcts(pathId);
final double averageSpeedCoeff =
speedLimitsAnalyzer.getSpeedLimitsAverageCoeff(
pathMap.get(RoadType.HIGHWAY_RURAL),
pathMap.get(RoadType.HIGHWAY_URBAN),
pathMap.get(RoadType.RESIDENTIAL));
fillEngineHorsePowerMap(inventories);
Map<String, Double> ratingMap = new HashMap<>();
for (InventoryDto inventoryDto : inventories) {
double delta = Math.abs(getInventoryHorsePowerCoeff(inventoryDto) - averageSpeedCoeff);
ratingMap.put(inventoryDto.getId(), (1 - delta) * MAX_RATING);
}
Collections.sort(
inventories,
new Comparator<InventoryDto>() {
@Override
public int compare(InventoryDto o1, InventoryDto o2) {
Double rating1 = ratingMap.get(o1.getId());
Double rating2 = ratingMap.get(o2.getId());
return rating2.compareTo(rating1);
}
});
return ratingMap;
}
public double getAverageSpeed(int pathId) {
Map<RoadType, Double> pathMap = pathService.getRoadTypesWithPcts(pathId);
double averageSpeedLimit =
SpeedLimitsAnalyzer.FREEWAY_RURAL_MAX * pathMap.get(RoadType.HIGHWAY_RURAL) / 100
+ SpeedLimitsAnalyzer.FREEWAY_URBAN_MAX * pathMap.get(RoadType.HIGHWAY_URBAN) / 100
+ SpeedLimitsAnalyzer.RESIDENTIAL_MAX * pathMap.get(RoadType.RESIDENTIAL) / 100;
return averageSpeedLimit;
}