public final DataModel getDataModel() {
if (dataWrapper != null) {
DataModelList dataModelList = dataWrapper.getDataModelList();
if (dataModelList.size() == 1) {
return dataModelList.get(0);
} else {
return dataModelList;
}
} else if (dataModel != null) {
return dataModel;
} else {
// Do not throw an exception here!
return null;
}
}
