/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.operator.ports.metadata;
import com.rapidminer.operator.ports.InputPort;
import com.rapidminer.operator.ports.OutputPort;
/**
* This rule might be used, if a model is applied on a data set.
*
* @author Sebastian Land
*/
public class ModelApplicationRule extends PassThroughRule {
private InputPort modelInput;
public ModelApplicationRule(InputPort inputPort, OutputPort outputPort, InputPort modelInput, boolean mandatory) {
super(inputPort, outputPort, mandatory);
this.modelInput = modelInput;
}
@Override
public MetaData modifyMetaData(MetaData metaData) {
if (metaData instanceof ExampleSetMetaData) {
MetaData modelMetaData = modelInput.getMetaData();
if (modelMetaData instanceof ModelMetaData) {
metaData = ((ModelMetaData) modelMetaData).apply((ExampleSetMetaData) metaData, getInputPort());
}
}
return metaData;
}
}