protected Set<Integer> calculateAverageServiceDurations(
Map<Integer, Set<TicketUpdate>> ticketNumberToUpdates, QueueInfo queueInfo) {
Set<Integer> averageServiceDurations = new HashSet<Integer>();
Set<Integer> averageTicketServiceDurationsPerTicket = new HashSet<Integer>();
Set<Integer> ticketNumbers = ticketNumberToUpdates.keySet();
Set<TicketUpdate> updatesPerTicket;
Date queueOpeningTime = getQueueOpeningTimeByQueueId(queueInfo.getQueueId());
for (int ticketNumber : ticketNumbers) {
averageTicketServiceDurationsPerTicket.clear();
updatesPerTicket = ticketNumberToUpdates.get(ticketNumber);
for (TicketUpdate ticketUpdate : updatesPerTicket) {
long offsetFromQueueOpeningToUpdateTime =
ticketUpdate.getCreated().getTime() - queueOpeningTime.getTime();
int averageTicketServiceDurationForUpdate =
(int) offsetFromQueueOpeningToUpdateTime / ticketNumber;
averageTicketServiceDurationsPerTicket.add(averageTicketServiceDurationForUpdate);
}
int totalAverageServiceDuration = 0;
for (int averageServiceDuration : averageTicketServiceDurationsPerTicket) {
totalAverageServiceDuration += averageServiceDuration;
}
int averageServiceDuration =
totalAverageServiceDuration / averageTicketServiceDurationsPerTicket.size();
averageServiceDurations.add(averageServiceDuration);
}
return averageServiceDurations;
}
private void updateTodaysQueueAverageServiceDuration(
int ticketAverageServiceDuration, QueueInfo queueInfo) {
QueueStats queueStats = queueService.getQueueStatsByQueueId(queueInfo.getQueueId());
Date todayAtMidnight = TimeGenerator.getTodayMidnightDate();
queueStats.setDate(todayAtMidnight);
queueStats.setCalculatedAverageWaitingDuration(ticketAverageServiceDuration);
queueService.updateQueueStats(queueStats);
}
public TicketUpdate getHighestTicketUpdatesFromToday(QueueInfo queueInfo) {
int queueId = queueInfo.getQueueId();
Date queueOpeningTime = getQueueOpeningTimeByQueueId(queueId);
Date queueClosingTime = getQueueClosingTimeByQueueId(queueId);
TicketUpdate highestTicketUpdates =
ticketDao.readHighestTicketUpdateByQueueAndDay(
queueInfo, queueOpeningTime, queueClosingTime, MINIMUM_ACCEPTED_INPUT_QUALITY);
return highestTicketUpdates;
}
private Collection<TicketUpdate> getTicketUpdatesFromToday(QueueInfo queueInfo) {
int queueId = queueInfo.getQueueId();
Date queueOpeningTime = getQueueOpeningTimeByQueueId(queueId);
Date queueClosingTime = getQueueClosingTimeByQueueId(queueId);
Collection<TicketUpdate> todayTicketUpdates =
ticketDao.readTicketUpdatesByQueueAndDate(
queueInfo, queueOpeningTime, queueClosingTime, MINIMUM_ACCEPTED_INPUT_QUALITY);
return todayTicketUpdates;
}