@Override
protected DataMessageComponent getTransformedMessage(List<DataMessageComponent> cache)
throws DataMessageException {
// get the data out of the message, name of the item should be specified
final Map<String, Serializable> data = MessageUtils.getList(cache);
Map<String, AFunction> functions;
try {
functions = MessageUtils.getFunctions(cache);
} catch (Exception e) {
throw new DataMessageException(
"Could not parse the Funcitons comming into the FunctionToDatsetActor", null, e);
}
// prepare the output message
DataMessageComponent result = MessageUtils.copy(cache);
// get the required datasets
String dataset = datasetName.getExpression();
String xAxis = xAxisName.getExpression();
String functionString = functionName.getExpression();
// Get the actual objects
Dataset xAxisDS = DatasetFactory.createFromObject(data.get(xAxis)).clone();
AFunction function = functions.get(functionString);
populateDataBasedFunctions(data, function);
// process the data
// TODO Add Null Protection here.
DoubleDataset createdDS = function.calculateValues(xAxisDS);
createdDS.setName(dataset);
// Add it to the result
result.addList(createdDS.getName(), createdDS);
return result;
}
