public List<Label> getLocation() {
FlowInformation info = flow.getFlowInformation();
if (info == null) return Collections.emptyList();
Geography geo = info.getGeography();
if (geo == null) return Collections.emptyList();
else return geo.getLocation();
}
public Integer getReferenceFlowPropertyId() {
FlowInformation info = flow.getFlowInformation();
if (info != null) {
QuantitativeReference qRef = info.getQuantitativeReference();
if (qRef != null && qRef.getReferenceFlowProperty() != null) {
return qRef.getReferenceFlowProperty().intValue();
}
}
return null;
}