/**
* Returns map of Trip objects for the specified configRev. The map is keyed on the trip IDs.
*
* @param session
* @param configRev
* @return
* @throws HibernateException
*/
@SuppressWarnings("unchecked")
public static Map<String, Trip> getTrips(Session session, int configRev)
throws HibernateException {
// Setup the query
String hql = "FROM Trip " + " WHERE configRev = :configRev";
Query query = session.createQuery(hql);
query.setInteger("configRev", configRev);
// Actually perform the query
List<Trip> tripsList = query.list();
// Now put the Trips into a map and return it
Map<String, Trip> tripsMap = new HashMap<String, Trip>();
for (Trip trip : tripsList) {
tripsMap.put(trip.getId(), trip);
}
return tripsMap;
}
/**
* Returns specified Trip object for the specified configRev and tripShortName.
*
* @param session
* @param configRev
* @param tripShortName
* @return The Trip or null if no such trip
* @throws HibernateException
*/
public static Trip getTripByShortName(Session session, int configRev, String tripShortName)
throws HibernateException {
// Setup the query
String hql =
"FROM Trip "
+ " WHERE configRev = :configRev"
+ " AND tripShortName = :tripShortName";
Query query = session.createQuery(hql);
query.setInteger("configRev", configRev);
query.setString("tripShortName", tripShortName);
// Actually perform the query
@SuppressWarnings("unchecked")
List<Trip> trips = query.list();
// If no results return null
if (trips.size() == 0) return null;
// If only a single trip matched then assume that the service ID is
// correct so return it. This should usually be fine, and it means
// then don't need to determine current service IDs, which is
// somewhat expensive.
if (trips.size() == 1) return trips.get(0);
// There are results so use the Trip that corresponds to the current
// service ID.
Date now = Core.getInstance().getSystemDate();
Collection<String> currentServiceIds = Core.getInstance().getServiceUtils().getServiceIds(now);
for (Trip trip : trips) {
for (String serviceId : currentServiceIds) {
if (trip.getServiceId().equals(serviceId)) {
// Found a service ID match so return this trip
return trip;
}
}
}
// Didn't find a trip that matched a current service ID so return null
return null;
}
/**
* Constructs a new Vehicle object from data in a VehicleState object.
*
* @param vs
*/
public IpcVehicle(VehicleState vs) {
this.blockAssignmentMethod = vs.getAssignmentMethod();
this.avl = new IpcAvl(vs.getAvlReport());
this.heading = vs.getHeading();
this.routeId = vs.getRouteId();
this.routeShortName = vs.getRouteShortName();
Trip trip = vs.getTrip();
if (trip != null) {
this.blockId = vs.getBlock().getId();
this.tripId = trip.getId();
this.tripPatternId = trip.getTripPattern().getId();
this.directionId = trip.getDirectionId();
this.headsign = trip.getHeadsign();
// Get the match. If match is just after a stop then adjust
// it to just before the stop so that can determine proper
// stop ID and such.
SpatialMatch match = vs.getMatch().getMatchBeforeStopIfAtStop();
// Determine if vehicle is at layover, and if so, what time it
// should depart. The departure time isn't necessarily the
// scheduled trip start time since if vehicle is late or if
// driver supposed to get a break then vehicle will leave after
// the scheduled time. Therefore use the predicted departure time
// for layover.
this.isLayover = match.isLayover();
if (this.isLayover) {
IpcPrediction predsForVehicle =
PredictionDataCache.getInstance()
.getPredictionForVehicle(
vs.getAvlReport().getVehicleId(),
vs.getRouteShortName(),
match.getStopPath().getStopId());
this.layoverDepartureTime =
predsForVehicle != null ? predsForVehicle.getPredictionTime() : 0;
} else {
// Not a layover so departure time not provided
this.layoverDepartureTime = 0;
}
// If vehicle is at a stop then "next" stop will actually be
// the current stop.
this.nextStopId = match.getStopPath().getStopId();
this.nextStopName = match.getStopPath().getStopName();
this.vehicleType = match.getRoute().getType();
} else {
// Vehicle not assigned to trip so null out parameters
this.blockId = null;
this.tripId = null;
this.tripPatternId = null;
this.directionId = null;
this.headsign = null;
this.isLayover = false;
this.layoverDepartureTime = 0;
this.nextStopId = null;
this.nextStopName = null;
this.vehicleType = null;
}
this.predictable = vs.isPredictable();
this.schedBasedPred = vs.isForSchedBasedPreds();
this.realTimeSchedAdh = vs.getRealTimeSchedAdh();
this.isDelayed = vs.isDelayed();
}