private Vehicle findClosestWillingVehicle(TaxiRequest req) {
List<Vehicle> vehicles = new ArrayList<Vehicle>(context.getVrpData().getVehicles().values());
Collections.shuffle(vehicles, rnd);
Vehicle bestVeh = null;
// double bestDistance = Double.MAX_VALUE;
double bestDistance = Double.MAX_VALUE / 2;
for (Vehicle veh : Iterables.filter(vehicles, TaxiSchedulerUtils.createIsIdle(scheduler))) {
if (this.IsElectric) if (!this.hasEnoughCapacityForTask(veh)) continue;
if (!vehicleWillingToServeRequest(veh, req)) continue;
double distance = calculateSquaredDistance(req, veh);
if (distance < bestDistance) {
bestDistance = distance;
bestVeh = veh;
} else if (distance == bestDistance) {
if (bestVeh == null) {
bestVeh = veh;
continue;
}
if (veh.getSchedule().getCurrentTask().getBeginTime()
< bestVeh.getSchedule().getCurrentTask().getBeginTime()) bestVeh = veh;
// FIFO, if distance is equal
}
}
return bestVeh;
}
private Vehicle findBestChargedVehicle(TaxiRequest req) {
Vehicle bestVeh = null;
double bestDistance = 1e9;
List<Vehicle> vehicles = new ArrayList<Vehicle>(context.getVrpData().getVehicles().values());
Collections.shuffle(vehicles, rnd);
for (Vehicle veh : vehicles) {
if (this.IsElectric) if (!this.hasEnoughCapacityForTask(veh)) continue;
double distance = calculateSquaredDistance(req, veh);
if (distance < bestDistance) {
bestDistance = distance;
bestVeh = veh;
} else if (distance == bestDistance) {
if (bestVeh == null) {
bestVeh = veh;
continue;
}
if (this.IsElectric) {
if (this.getVehicleSoc(veh) > this.getVehicleSoc(bestVeh)) {
bestVeh = veh;
}
}
// higher charge, if distance is equal
}
}
return bestVeh;
}
private Vehicle findHighestChargedIdleVehicleDistanceSort(TaxiRequest req) {
Vehicle bestVeh = null;
double bestSoc = 0;
List<Vehicle> vehicles = new ArrayList<Vehicle>(context.getVrpData().getVehicles().values());
Collections.shuffle(vehicles, rnd);
for (Vehicle veh : Iterables.filter(vehicles, TaxiSchedulerUtils.createIsIdle(scheduler))) {
if (this.IsElectric) if (!this.hasEnoughCapacityForTask(veh)) continue;
double soc = this.getVehicleSoc(veh);
if (soc > bestSoc) {
bestSoc = soc;
bestVeh = veh;
} else if (soc == bestSoc) {
if (bestVeh == null) {
bestVeh = veh;
continue;
}
if (this.calculateSquaredDistance(req, veh) < this.calculateSquaredDistance(req, bestVeh)) {
bestVeh = veh;
}
}
}
return bestVeh;
}