public List<Location> getLocationsEnCours(){
		System.out.println("ModeleLocations::getLocationsEnCours()") ;
		List<Location> locationsEnCours = new ArrayList<Location>() ;
		for(Location location : this.locations){
			if(location.estEnCours()){
				locationsEnCours.add(location) ;
			}
		}
		return locationsEnCours ;
	}