Stuff

List<ScheduledSurvey> scheduledSurveys = scheduledSurveyService.find( visitDefinition.getContractor(), contractorGroups, entity.getDate() );		for (ScheduledSurvey scheduledSurvey : scheduledSurveys) {    AbstractSurveyDefinition abstractSurveyDefinition = scheduledSurvey.getAbstractSurveyDefinition();    if (abstractSurveyDefinition instanceof SurveyDefinition)	visitDefinition.addSurveyDefinition( (SurveyDefinition) abstractSurveyDefinition );    else if (abstractSurveyDefinition instanceof ProductSurveyDefinition)	visitDefinition.addProductSurveyDefinition( (ProductSurveyDefinition) abstractSurveyDefinition );    else	throw new IllegalStateException( "nieznany typ definicji ankiety " + abstractSurveyDefinition.getClass().getName() );}