* Constructor
*/
public ApplyModel(OperatorDescription description) {
super(description);
MetaData met=new MetaData(RatingPredictor.class);
exampleSetInput.addPrecondition(new ExampleSetPrecondition(exampleSetInput, "user identification", Ontology.ATTRIBUTE_VALUE));
exampleSetInput.addPrecondition(new ExampleSetPrecondition(exampleSetInput, "item identification", Ontology.ATTRIBUTE_VALUE));
exampleSetInput1.addPrecondition(new SimplePrecondition(exampleSetInput1, met));
getTransformer().addRule(new GenerateNewMDRule(exampleSetOutput1, new MetaData(RatingPredictor.class)) {
});
getTransformer().addRule(new ExampleSetPassThroughRule(exampleSetInput, exampleSetOutput, SetRelation.SUPERSET) {
@Override