question: private void loadDataFromService ( ) { List < ExceptionSensorData > exData = null ; if ( ( null != fromDate ) && ( null != toDate ) ) { exData = dataAccessService . getUngroupedExceptionOverview ( template , limit , fromDate , toDate , resultComparator ) ; } else { exData = dataAccessService . getUngroupedExceptionOverview ( template , limit , resultComparator ) ; } exceptionSensorData . clear ( ) ; if ( null != exData ) { exceptionSensorData . addAll ( exData ) ; } }
target:  Reloads the data from the service.