if(_model == notification.object()) {
if(_model == notification.object() || notification.object() == null) {
    public void synchModel(NSNotification notification) {        if(_model == notification.object()) {            DRReportModel model = _model;            reset();            model.initWithRawRecords(objects(), criteriaArray(), attributeArray());            log.info("Model was re-set.");            //reset();        }    }