org.dmg.pmml.FieldColumnPair Java Examples

The following examples show how to use org.dmg.pmml.FieldColumnPair. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ExpressionUtil.java    From jpmml-evaluator with GNU Affero General Public License v3.0 6 votes vote down vote up 
static
public FieldValue evaluateMapValues(MapValues mapValues, EvaluationContext context){
	Map<String, FieldValue> values = new LinkedHashMap<>();

	List<FieldColumnPair> fieldColumnPairs = mapValues.getFieldColumnPairs();
	for(FieldColumnPair fieldColumnPair : fieldColumnPairs){
		FieldName name = fieldColumnPair.getField();
		if(name == null){
			throw new MissingAttributeException(fieldColumnPair, PMMLAttributes.FIELDCOLUMNPAIR_FIELD);
		}

		String column = fieldColumnPair.getColumn();
		if(column == null){
			throw new MissingAttributeException(fieldColumnPair, PMMLAttributes.FIELDCOLUMNPAIR_COLUMN);
		}

		FieldValue value = context.evaluate(name);
		if(FieldValueUtil.isMissing(value)){
			return FieldValueUtil.create(mapValues.getDataType(DataType.STRING), OpType.CATEGORICAL, mapValues.getMapMissingTo());
		}

		values.put(column, value);
	}

	return DiscretizationUtil.mapValue(mapValues, values);
}
Example #2
Source File: ExpressionUtilTest.java    From jpmml-evaluator with GNU Affero General Public License v3.0 6 votes vote down vote up 
@Test
public void evaluateMapValues(){
	FieldName name = FieldName.create("x");

	List<List<String>> rows = Arrays.asList(
		Arrays.asList("0", "zero"),
		Arrays.asList("1", "one")
	);

	MapValues mapValues = new MapValues("data:output", null, createInlineTable(rows, Arrays.asList("data:input", "data:output")))
		.addFieldColumnPairs(new FieldColumnPair(name, "data:input"));

	assertEquals("zero", evaluate(mapValues, name, "0"));
	assertEquals("one", evaluate(mapValues, name, "1"));
	assertEquals(null, evaluate(mapValues, name, "3"));

	assertEquals(null, evaluate(mapValues, name, null));

	mapValues.setMapMissingTo("Missing");

	assertEquals("Missing", evaluate(mapValues, name, null));

	mapValues.setDefaultValue("Default");

	assertEquals("Default", evaluate(mapValues, name, "3"));
}
Example #3
Source File: FieldReferenceFinder.java    From jpmml-model with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
@Override
public VisitorAction visit(FieldColumnPair fieldColumnPair){
	process(fieldColumnPair.getField());

	return super.visit(fieldColumnPair);
}