/// <summary>
/// Get the hall state which is a collection of occupied seats.
/// </summary>
/// <param name="eventID"></param>
/// <returns></returns>
public SeatIndex[] GetHallState(Guid eventID)
{
LoggingManager.Logger.Log(LoggingCategory.Info,
string.Format(StringsResource.AsyncExecution, "GetHallState", Thread.CurrentThread.ManagedThreadId));
var result = new List<SeatIndex>();
List<Contracts.Reservation> reservations;
//If the hall state is in the cache read it from the cache.
rwl.AcquireReaderLock(new TimeSpan(1, 0, 0));
reservations = (HallCache.Get(eventID.ToString()) as List<Contracts.Reservation>);
rwl.ReleaseReaderLock();
// if the info is not in the cache read it from the database and put it in the cache.
if (reservations == null)
{
ReservationDal Dal = new ReservationDal();
reservations = Dal.GetReservationsByCriteria(
new ReservationCriteria() { EventID = eventID }).ToList();
rwl.AcquireWriterLock(new TimeSpan(1,0,0));
HallCache[eventID.ToString()] = reservations;
rwl.ReleaseWriterLock();
}
foreach (var rs in reservations)
{
foreach (var si in rs.Seats)
{
result.Add(si);
}
}
return result.ToArray();
}
public Contracts.Reservation[] FindReservations(ReservationCriteria criteria)
{
ReservationDal reservationDal = new ReservationDal();
return reservationDal.GetReservationsByCriteria(criteria);
}