EventUsingAbstractDetector 4.4

EventUsingAbstractDetector 4.4

public class EventUsingAbstractDetector extends AbstractDetector {

   private static final long serialVersionUID = 1L;
   private final AbsoluteDate date;

   /**
    * Constructor
    * @param date absolute date when event will occured.
    */
   protected EventUsingAbstractDetector( final AbsoluteDate date ) {
       super(AbstractDetector.DEFAULT_MAXCHECK, AbstractDetector.DEFAULT_THRESHOLD);
       this.date = date;
   }

   @Override
   public Action eventOccurred(SpacecraftState s, boolean increasing,
           boolean forward) throws PatriusException {
       return EventDetector.Action.STOP;
   }

   @Override
   public double g(SpacecraftState s) throws PatriusException {
       return s.getDate().durationFrom(date);
   }

   @Override
   public boolean shouldBeRemoved() {
       return false;
   }
   
   @Override
   public EventDetector copy() {
       final AbsoluteDate newDate = new AbsoluteDate(date, 0.);
       return new EventUsingEventDetector(newDate);
   }

   /**
    * @param args
    * @throws PatriusException 
    * @throws URISyntaxException 
    * @throws IOException 
    */
   public static void main(String[] args) throws PatriusException, IOException, URISyntaxException {

       // Patrius Dataset initialization (needed for example to get the UTC time)
       PatriusDataset.addResourcesFromPatriusDataset() ;

       // Recovery of the UTC time scale using a "factory" (not to duplicate such unique object)
       final TimeScale TUC = TimeScalesFactory.getUTC();
       
       // Date of the orbit (given in UTC time scale)
       final AbsoluteDate date = new AbsoluteDate("2010-01-01T12:00:00.000", TUC);

       EventUsingAbstractDetector event = new EventUsingAbstractDetector(date);
       
       System.out.println("Max check interval of the event: " + event.getMaxCheckInterval() + " s");
       System.out.println("Threshold of the event: " + event.getThreshold() + " s");
       System.out.println("Remove the event after occuring: " + event.shouldBeRemoved());
       
   }

}