if (moduleWatched == null) Logger.getLogger(BioHolder.class.toString()).error("Your module is null!");
    public GenericSensor getSensorAttachedTo(List sensorList,            BioModule moduleWatched) {        for (Iterator iter = sensorList.iterator(); iter.hasNext();) {            GenericSensor currentSensor = (GenericSensor) (iter.next());            if (currentSensor.getInputModule()._is_equivalent(moduleWatched))                return currentSensor;        }        return null;    }