@SuppressWarnings("deprecation")
private void createAverages(Date start) {
if (start.getMinutes() != 30 || start.getSeconds() != 0) {
// we want to obtain estimates for full hours, i.e. 4:00 or 5:00
// by calculating averages for 3:30-4:29:59 and 4:30-5:29:59
throw new RuntimeException("Must start with hh:30:00");
}
final int HOURS = 25; // we want to have vehicles for full 24 hours, e.g. 4am to 4am next day
long startTime = start.getTime() / 1000; // in seconds
long endTime = startTime + HOURS * 3600; // in seconds
taxisOverTimeHourlyAverage = new double[HOURS];
int sum = 0;
int hour = 0;
int n = 0;
for (long t = startTime; t < endTime; t++) {
if (this.taxisOverTime.containsKey(new Date(t * 1000))) {
sum += this.taxisOverTime.get(new Date(t * 1000)); // seconds -> milliseconds
n++;
}
if (t % 3600 == 1799) { // t == hh:29:59
taxisOverTimeHourlyAverage[hour] += (double) sum / n;
sum = 0;
hour++;
n = 0;
}
}
for (int i = 0; i < HOURS; i++) {
System.out.println(i + " : " + taxisOverTimeHourlyAverage[i]);
}
}
