GenerateModelTransformationRule.java

/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 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.Model;
import com.rapidminer.operator.ports.InputPort;
import com.rapidminer.operator.ports.OutputPort;
/**
 * @author Simon Fischer
 */
public class GenerateModelTransformationRule implements MDTransformationRule {

	private final OutputPort outputPort;
	private final InputPort exampleSetInput;
	private final Class<? extends Model> modelClass;

	public GenerateModelTransformationRule(InputPort exampleSetInput, OutputPort outputPort, Class<? extends Model> modelClass) {	
		this.outputPort = outputPort;
		this.exampleSetInput = exampleSetInput;
		this.modelClass = modelClass;
	}

	@Override
	public void transformMD() {
		MetaData input = exampleSetInput.getMetaData();
		ModelMetaData mmd;
		if (input != null && input instanceof ExampleSetMetaData) {
			mmd = new ModelMetaData(modelClass, (ExampleSetMetaData) input);
			mmd.addToHistory(outputPort);
			outputPort.deliverMD(mmd);
			return;
		}
		outputPort.deliverMD(null);
		return;
	}
}